/* roulang page: index */
:root {
            --okooo-primary: #0d1117;
            --okooo-primary-soft: #161d27;
            --okooo-secondary: #0d1117;
            --okooo-accent: #e8893a;
            --okooo-accent-hover: #d6742a;
            --okooo-accent-soft: #fdf0e5;
            --okooo-bg: #ffffff;
            --okooo-bg-alt: #f6f3ee;
            --okooo-bg-dark: #0d1117;
            --okooo-bg-dark-soft: #111820;
            --okooo-text: #1a1d24;
            --okooo-text-muted: #6b7280;
            --okooo-text-light: #e8e6e1;
            --okooo-text-light-muted: #a8a29a;
            --okooo-border: #e5e0d8;
            --okooo-border-dark: #2a3038;
            --okooo-radius-sm: 8px;
            --okooo-radius: 14px;
            --okooo-radius-lg: 20px;
            --okooo-shadow-sm: 0 1px 4px rgba(13,17,23,0.06);
            --okooo-shadow: 0 8px 28px rgba(13,17,23,0.08);
            --okooo-shadow-lg: 0 20px 50px rgba(13,17,23,0.15);
            --okooo-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --okooo-transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--okooo-font);
            background-color: var(--okooo-bg);
            color: var(--okooo-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 72px;
        }

        @media (min-width: 768px) {
            body {
                padding-bottom: 0;
            }
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--okooo-transition);
        }

        a:hover {
            color: var(--okooo-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 3px solid rgba(232, 137, 58, 0.35);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 576px) {
            .container {
                padding-left: 28px;
                padding-right: 28px;
            }
        }

        @media (min-width: 992px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .okooo-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--okooo-border);
            padding: 0;
        }

        .okooo-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .okooo-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--okooo-primary) !important;
            white-space: nowrap;
        }

        .okooo-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--okooo-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .okooo-logo span {
            color: var(--okooo-accent);
        }

        .okooo-nav-desktop {
            display: none;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }

        @media (min-width: 992px) {
            .okooo-nav-desktop {
                display: flex;
            }
        }

        .okooo-nav-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
        }

        .okooo-nav-desktop a:hover {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--okooo-accent);
            border-radius: 2px;
        }

        .okooo-header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .okooo-header-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            background: var(--okooo-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--okooo-transition);
        }

        .okooo-header-btn:hover {
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--okooo-border);
            border-radius: 10px;
            background: #fff;
            color: var(--okooo-text);
            font-size: 1.15rem;
            cursor: pointer;
            transition: var(--okooo-transition);
        }

        .okooo-mobile-toggle:hover {
            border-color: var(--okooo-accent);
            color: var(--okooo-accent);
        }

        @media (min-width: 992px) {
            .okooo-mobile-toggle {
                display: none;
            }
        }

        .okooo-mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--okooo-border);
            padding: 12px 0 18px;
            max-height: 60vh;
            overflow-y: auto;
        }

        .okooo-mobile-menu.open {
            display: block;
        }

        .okooo-mobile-menu a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            margin: 2px 8px;
        }

        .okooo-mobile-menu a:hover,
        .okooo-mobile-menu a.active {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        /* ========== BOTTOM TAB NAV (Mobile) ========== */
        .okooo-bottom-nav {
            display: flex;
            align-items: center;
            justify-content: space-around;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1060;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--okooo-border);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
            box-shadow: 0 -4px 20px rgba(13, 17, 23, 0.06);
        }

        @media (min-width: 768px) {
            .okooo-bottom-nav {
                display: none;
            }
        }

        .okooo-bottom-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 0.68rem;
            font-weight: 600;
            color: var(--okooo-text-muted);
            padding: 4px 8px;
            border-radius: 10px;
            transition: var(--okooo-transition);
            flex: 1;
            text-align: center;
        }

        .okooo-bottom-nav a i {
            font-size: 1.15rem;
        }

        .okooo-bottom-nav a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-bottom-nav a:hover {
            color: var(--okooo-accent);
        }

        /* ========== SECTION BASE ========== */
        .okooo-section {
            padding: 56px 0;
            position: relative;
        }

        @media (min-width: 768px) {
            .okooo-section {
                padding: 76px 0;
            }
        }

        @media (min-width: 992px) {
            .okooo-section {
                padding: 88px 0;
            }
        }

        .okooo-section-dark {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
        }

        .okooo-section-alt {
            background: var(--okooo-bg-alt);
        }

        .okooo-section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--okooo-accent);
            margin-bottom: 12px;
        }

        .okooo-section-label i {
            font-size: 0.7rem;
        }

        .okooo-section-title {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.025em;
            line-height: 1.25;
            margin-bottom: 14px;
            color: inherit;
        }

        @media (min-width: 768px) {
            .okooo-section-title {
                font-size: 2.15rem;
            }
        }

        .okooo-section-desc {
            font-size: 1rem;
            color: var(--okooo-text-muted);
            max-width: 680px;
            line-height: 1.75;
        }

        .okooo-section-dark .okooo-section-desc {
            color: var(--okooo-text-light-muted);
        }

        /* ========== HERO ========== */
        .okooo-hero {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 40px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .okooo-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(232, 137, 58, 0.16), transparent 70%);
            pointer-events: none;
        }

        .okooo-hero::after {
            content: '';
            position: absolute;
            bottom: -140px;
            left: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(232, 137, 58, 0.08), transparent 70%);
            pointer-events: none;
        }

        .okooo-hero-row {
            position: relative;
            z-index: 2;
        }

        .okooo-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .okooo-hero-content {
            padding-top: 20px;
        }

        .okooo-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 137, 58, 0.14);
            border: 1px solid rgba(232, 137, 58, 0.3);
            color: #f0b87a;
            padding: 7px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }

        .okooo-hero-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
        }

        @media (min-width: 768px) {
            .okooo-hero-title {
                font-size: 2.7rem;
            }
        }

        @media (min-width: 992px) {
            .okooo-hero-title {
                font-size: 3.15rem;
            }
        }

        .okooo-hero-title span {
            color: var(--okooo-accent);
        }

        .okooo-hero-desc {
            font-size: 1.05rem;
            color: var(--okooo-text-light-muted);
            max-width: 520px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .okooo-hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .okooo-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 12px;
            font-size: 0.92rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--okooo-transition);
            text-decoration: none;
        }

        .okooo-btn-primary {
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-btn-primary:hover {
            background: var(--okooo-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(232, 137, 58, 0.3);
        }

        .okooo-btn-outline-light {
            background: transparent;
            color: var(--okooo-text-light);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }

        .okooo-btn-outline-light:hover {
            border-color: var(--okooo-accent);
            color: var(--okooo-accent);
            transform: translateY(-2px);
        }

        .okooo-btn-outline-dark {
            background: transparent;
            color: var(--okooo-primary);
            border: 1.5px solid var(--okooo-border);
        }

        .okooo-btn-outline-dark:hover {
            border-color: var(--okooo-accent);
            color: var(--okooo-accent);
            transform: translateY(-2px);
        }

        .okooo-btn-sm {
            padding: 9px 18px;
            font-size: 0.82rem;
            border-radius: 10px;
        }

        .okooo-hero-kpi {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .okooo-hero-kpi-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .okooo-hero-kpi-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .okooo-hero-kpi-label {
            font-size: 0.78rem;
            color: var(--okooo-text-light-muted);
        }

        .okooo-hero-visual {
            position: relative;
            margin-top: 32px;
        }

        @media (min-width: 992px) {
            .okooo-hero-visual {
                margin-top: 0;
                transform: translateY(22px);
            }
        }

        .okooo-hero-visual-card {
            position: relative;
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: var(--okooo-bg-dark-soft);
            clip-path: polygon(5% 0%, 100% 0%, 100% 100%, 0% 100%);
        }

        .okooo-hero-visual-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .okooo-hero-visual-float {
            position: absolute;
            bottom: -18px;
            left: -18px;
            background: #fff;
            color: var(--okooo-text);
            padding: 14px 20px;
            border-radius: 14px;
            box-shadow: var(--okooo-shadow-lg);
            font-size: 0.82rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .okooo-hero-visual-float i {
            color: var(--okooo-accent);
            font-size: 1.2rem;
        }

        /* ========== CARDS ========== */
        .okooo-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 24px;
            transition: var(--okooo-transition);
            height: 100%;
        }

        .okooo-card:hover {
            box-shadow: var(--okooo-shadow);
            transform: translateY(-4px);
            border-color: rgba(232, 137, 58, 0.25);
        }

        .okooo-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--okooo-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--okooo-accent);
            margin-bottom: 14px;
        }

        .okooo-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--okooo-text);
        }

        .okooo-card-text {
            font-size: 0.9rem;
            color: var(--okooo-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .okooo-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--okooo-accent);
            margin-top: 12px;
        }

        .okooo-card-link i {
            transition: var(--okooo-transition);
        }

        .okooo-card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== KPI STRIP ========== */
        .okooo-kpi-strip {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 36px 0;
            border-top: 1px solid var(--okooo-border-dark);
            border-bottom: 1px solid var(--okooo-border-dark);
        }

        .okooo-kpi-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        @media (min-width: 576px) {
            .okooo-kpi-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 992px) {
            .okooo-kpi-grid {
                grid-template-columns: repeat(5, 1fr);
            }
        }

        .okooo-kpi-item {
            text-align: center;
            padding: 8px 4px;
        }

        .okooo-kpi-num {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--okooo-accent);
            line-height: 1.2;
        }

        .okooo-kpi-label {
            font-size: 0.78rem;
            color: var(--okooo-text-light-muted);
            margin-top: 4px;
        }

        /* ========== CATEGORY MATRIX / 入口矩阵 ========== */
        .okooo-matrix-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        @media (min-width: 576px) {
            .okooo-matrix-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 992px) {
            .okooo-matrix-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 18px;
            }
        }

        .okooo-matrix-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            background: #fff;
            transition: var(--okooo-transition);
            text-decoration: none;
            color: inherit;
        }

        .okooo-matrix-item:hover {
            border-color: var(--okooo-accent);
            box-shadow: var(--okooo-shadow);
            transform: translateY(-3px);
        }

        .okooo-matrix-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--okooo-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .okooo-matrix-item:hover .okooo-matrix-icon {
            background: var(--okooo-accent);
        }

        .okooo-matrix-label {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--okooo-text);
        }

        .okooo-matrix-arrow {
            margin-left: auto;
            color: var(--okooo-text-muted);
            font-size: 0.8rem;
        }

        /* ========== SERVICE GRID ========== */
        .okooo-service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 576px) {
            .okooo-service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 992px) {
            .okooo-service-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* ========== BRAND INTRO ========== */
        .okooo-brand-intro {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-brand-intro {
                grid-template-columns: 1fr 1.4fr;
                gap: 56px;
            }
        }

        .okooo-brand-img-wrap {
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow);
        }

        .okooo-brand-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .okooo-brand-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .okooo-brand-text p {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--okooo-text-muted);
            margin-bottom: 16px;
        }

        .okooo-brand-text p:last-child {
            margin-bottom: 0;
        }

        /* ========== GUARANTEE STRIP ========== */
        .okooo-guarantee-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        @media (min-width: 576px) {
            .okooo-guarantee-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .okooo-guarantee-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 22px 16px;
            background: #fff;
            border-radius: var(--okooo-radius);
            border: 1px solid var(--okooo-border);
            gap: 8px;
        }

        .okooo-guarantee-item i {
            font-size: 1.6rem;
            color: var(--okooo-accent);
        }

        .okooo-guarantee-item strong {
            font-size: 0.9rem;
            font-weight: 700;
        }

        .okooo-guarantee-item span {
            font-size: 0.78rem;
            color: var(--okooo-text-muted);
        }

        /* ========== COMPARISON ========== */
        .okooo-compare-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .okooo-compare-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .okooo-compare-card {
            padding: 28px;
            border-radius: var(--okooo-radius-lg);
            background: #fff;
            border: 1px solid var(--okooo-border);
        }

        .okooo-compare-card.highlight {
            background: var(--okooo-primary);
            color: var(--okooo-text-light);
            border-color: var(--okooo-primary);
        }

        .okooo-compare-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .okooo-compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .okooo-compare-card ul li {
            padding: 8px 0;
            font-size: 0.9rem;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: var(--okooo-text-muted);
        }

        .okooo-compare-card.highlight ul li {
            color: var(--okooo-text-light-muted);
        }

        .okooo-compare-card ul li i {
            color: var(--okooo-accent);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ========== CHANGELOG ========== */
        .okooo-changelog-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }

        .okooo-changelog-list::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: var(--okooo-border);
        }

        .okooo-changelog-item {
            position: relative;
            padding: 0 0 28px 42px;
        }

        .okooo-changelog-item:last-child {
            padding-bottom: 0;
        }

        .okooo-changelog-item::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 7px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--okooo-accent);
            box-shadow: 0 0 0 4px var(--okooo-accent-soft);
        }

        .okooo-changelog-version {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--okooo-accent);
            display: inline-block;
            background: var(--okooo-accent-soft);
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 6px;
        }

        .okooo-changelog-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .okooo-changelog-text {
            font-size: 0.9rem;
            color: var(--okooo-text-muted);
            line-height: 1.7;
        }

        /* ========== CALENDAR ========== */
        .okooo-calendar-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
        }

        @media (min-width: 576px) {
            .okooo-calendar-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 992px) {
            .okooo-calendar-list {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .okooo-calendar-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-sm);
            transition: var(--okooo-transition);
        }

        .okooo-calendar-item:hover {
            border-color: var(--okooo-accent);
            box-shadow: var(--okooo-shadow-sm);
        }

        .okooo-calendar-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 52px;
            height: 52px;
            background: var(--okooo-primary);
            color: #fff;
            border-radius: 10px;
            flex-shrink: 0;
        }

        .okooo-calendar-date strong {
            font-size: 1.1rem;
            font-weight: 800;
            line-height: 1.1;
        }

        .okooo-calendar-date span {
            font-size: 0.68rem;
            color: var(--okooo-text-light-muted);
        }

        .okooo-calendar-info strong {
            display: block;
            font-size: 0.88rem;
            font-weight: 700;
            margin-bottom: 3px;
        }

        .okooo-calendar-info span {
            font-size: 0.78rem;
            color: var(--okooo-text-muted);
        }

        /* ========== NEWS ========== */
        .okooo-news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }

        @media (min-width: 768px) {
            .okooo-news-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 992px) {
            .okooo-news-grid {
                grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr;
            }
        }

        .okooo-news-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            overflow: hidden;
            transition: var(--okooo-transition);
            height: 100%;
        }

        .okooo-news-card:hover {
            box-shadow: var(--okooo-shadow);
            transform: translateY(-4px);
            border-color: rgba(232, 137, 58, 0.25);
        }

        .okooo-news-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        .okooo-news-body {
            padding: 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .okooo-news-date {
            font-size: 0.72rem;
            color: var(--okooo-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .okooo-news-title {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .okooo-news-excerpt {
            font-size: 0.82rem;
            color: var(--okooo-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .okooo-news-readmore {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--okooo-accent);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
        }

        /* ========== TESTIMONIALS ========== */
        .okooo-testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 992px) {
            .okooo-testimonial-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .okooo-testimonial-card {
            background: var(--okooo-bg-dark-soft);
            border: 1px solid var(--okooo-border-dark);
            border-radius: var(--okooo-radius);
            padding: 22px;
            color: var(--okooo-text-light);
        }

        .okooo-testimonial-stars {
            color: var(--okooo-accent);
            font-size: 0.82rem;
            margin-bottom: 10px;
        }

        .okooo-testimonial-text {
            font-size: 0.88rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .okooo-testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .okooo-testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--okooo-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .okooo-testimonial-name {
            font-size: 0.82rem;
            font-weight: 700;
        }

        .okooo-testimonial-role {
            font-size: 0.72rem;
            color: var(--okooo-text-light-muted);
        }

        /* ========== FAQ ========== */
        .okooo-faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .okooo-faq-item {
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-sm);
            background: #fff;
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--okooo-transition);
        }

        .okooo-faq-item:hover {
            border-color: var(--okooo-accent);
        }

        .okooo-faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--okooo-text);
        }

        .okooo-faq-question i {
            transition: var(--okooo-transition);
            color: var(--okooo-accent);
        }

        .okooo-faq-item.open .okooo-faq-question i {
            transform: rotate(180deg);
        }

        .okooo-faq-answer {
            padding: 0 20px 18px;
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            line-height: 1.75;
            display: none;
        }

        .okooo-faq-item.open .okooo-faq-answer {
            display: block;
        }

        /* ========== FORM / CTA ========== */
        .okooo-form-card {
            background: #fff;
            border-radius: var(--okooo-radius-lg);
            border: 1px solid var(--okooo-border);
            padding: 32px;
            box-shadow: var(--okooo-shadow);
        }

        @media (min-width: 768px) {
            .okooo-form-card {
                padding: 44px;
            }
        }

        .okooo-form-label {
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 6px;
            display: block;
        }

        .okooo-form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--okooo-border);
            border-radius: 10px;
            font-size: 0.95rem;
            transition: var(--okooo-transition);
            background: #fff;
            color: var(--okooo-text);
        }

        .okooo-form-input:focus {
            border-color: var(--okooo-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(232, 137, 58, 0.15);
        }

        .okooo-form-input::placeholder {
            color: #a0a5ad;
        }

        /* ========== FOOTER ========== */
        .okooo-footer {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light-muted);
            padding: 52px 0 28px;
            font-size: 0.85rem;
        }

        .okooo-footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (min-width: 768px) {
            .okooo-footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1fr;
            }
        }

        .okooo-footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .okooo-footer-brand span {
            color: var(--okooo-accent);
        }

        .okooo-footer-desc {
            font-size: 0.82rem;
            line-height: 1.7;
            color: var(--okooo-text-light-muted);
            max-width: 320px;
        }

        .okooo-footer h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .okooo-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .okooo-footer-links li {
            margin-bottom: 8px;
        }

        .okooo-footer-links a {
            color: var(--okooo-text-light-muted);
            font-size: 0.82rem;
            transition: var(--okooo-transition);
        }

        .okooo-footer-links a:hover {
            color: var(--okooo-accent);
        }

        .okooo-footer-bottom {
            border-top: 1px solid var(--okooo-border-dark);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--okooo-text-light-muted);
        }

        .okooo-footer-bottom a {
            color: var(--okooo-text-light-muted);
        }

        .okooo-footer-bottom a:hover {
            color: var(--okooo-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991px) {
            .okooo-nav-desktop {
                display: none;
            }
            .okooo-header-btn {
                display: none;
            }
            .okooo-section-title {
                font-size: 1.55rem;
            }
            .okooo-hero-title {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 575px) {
            .okooo-hero-title {
                font-size: 1.6rem;
            }
            .okooo-section {
                padding: 40px 0;
            }
            .okooo-kpi-num {
                font-size: 1.5rem;
            }
            .okooo-matrix-grid {
                grid-template-columns: 1fr;
            }
            .okooo-guarantee-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .okooo-hero-visual-card {
                clip-path: polygon(3% 0%, 100% 0%, 100% 100%, 0% 100%);
            }
            .okooo-hero-visual-float {
                position: relative;
                bottom: auto;
                left: auto;
                margin-top: 16px;
            }
        }

/* roulang page: category3 */
:root {
        --okooo-primary: #0d1117;
        --okooo-primary-soft: #161d27;
        --okooo-secondary: #0d1117;
        --okooo-accent: #e8893a;
        --okooo-accent-hover: #d6742a;
        --okooo-accent-soft: #fdf0e5;
        --okooo-bg: #ffffff;
        --okooo-bg-alt: #f6f3ee;
        --okooo-bg-dark: #0d1117;
        --okooo-bg-dark-soft: #111820;
        --okooo-text: #1a1d24;
        --okooo-text-muted: #6b7280;
        --okooo-text-light: #e8e6e1;
        --okooo-text-light-muted: #a8a29a;
        --okooo-border: #e5e0d8;
        --okooo-border-dark: #2a3038;
        --okooo-radius-sm: 8px;
        --okooo-radius: 14px;
        --okooo-radius-lg: 20px;
        --okooo-shadow-sm: 0 1px 4px rgba(13,17,23,0.06);
        --okooo-shadow: 0 8px 28px rgba(13,17,23,0.08);
        --okooo-shadow-lg: 0 20px 50px rgba(13,17,23,0.15);
        --okooo-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
        --okooo-transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    
    body {
        font-family: var(--okooo-font);
        background-color: var(--okooo-bg);
        color: var(--okooo-text);
        line-height: 1.7;
        margin: 0;
        padding: 0;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        padding-bottom: 0;
    }
    
    a {
        color: inherit;
        text-decoration: none;
        transition: var(--okooo-transition);
    }
    a:hover {
        color: var(--okooo-accent);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
    }
    button:focus, a:focus, input:focus, textarea:focus, select:focus {
        outline: 3px solid rgba(232, 137, 58, 0.35);
        outline-offset: 2px;
    }
    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 28px;
        padding-right: 28px;
    }
    
    /* ========== HEADER / NAV ========== */
    .okooo-header {
        position: sticky;
        top: 0;
        z-index: 1050;
        background: rgba(255, 255, 255, 0.93);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid var(--okooo-border);
        padding: 0;
    }
    .okooo-header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 68px;
        gap: 16px;
    }
    .okooo-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.35rem;
        letter-spacing: -0.02em;
        color: var(--okooo-primary) !important;
        white-space: nowrap;
    }
    .okooo-logo-icon {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: var(--okooo-primary);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.1rem;
        flex-shrink: 0;
    }
    .okooo-logo span {
        color: var(--okooo-accent);
    }
    .okooo-nav-desktop {
        display: none;
        align-items: center;
        gap: 2px;
        flex-wrap: nowrap;
    }
    .okooo-nav-desktop a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 14px;
        font-size: 0.86rem;
        font-weight: 600;
        color: var(--okooo-text);
        border-radius: 8px;
        white-space: nowrap;
        position: relative;
    }
    .okooo-nav-desktop a:hover {
        color: var(--okooo-accent);
        background: var(--okooo-accent-soft);
    }
    .okooo-nav-desktop a.active {
        color: var(--okooo-accent);
        background: var(--okooo-accent-soft);
    }
    .okooo-nav-desktop a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 14px;
        right: 14px;
        height: 2px;
        background: var(--okooo-accent);
        border-radius: 2px;
    }
    .okooo-header-actions {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .okooo-header-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 9px 18px;
        border-radius: 10px;
        font-size: 0.85rem;
        font-weight: 700;
        background: var(--okooo-primary);
        color: #fff;
        border: none;
        cursor: pointer;
        white-space: nowrap;
        transition: var(--okooo-transition);
    }
    .okooo-header-btn:hover {
        background: var(--okooo-accent);
        color: #fff;
    }
    .okooo-mobile-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: 10px;
        background: var(--okooo-primary);
        color: #fff;
        border: none;
        cursor: pointer;
        font-size: 1.1rem;
        transition: var(--okooo-transition);
    }
    .okooo-mobile-toggle:hover {
        background: var(--okooo-accent);
    }
    .okooo-mobile-menu {
        display: none;
        padding: 12px 20px 20px;
        background: #fff;
        border-top: 1px solid var(--okooo-border);
    }
    .okooo-mobile-menu.open {
        display: block;
    }
    .okooo-mobile-menu a {
        display: flex;
        align-items: center;
        padding: 12px 14px;
        border-radius: 10px;
        font-weight: 600;
        font-size: 0.94rem;
        color: var(--okooo-text);
    }
    .okooo-mobile-menu a:hover,
    .okooo-mobile-menu a.active {
        background: var(--okooo-accent-soft);
        color: var(--okooo-accent);
    }
    
    /* ========== MOBILE BOTTOM TABS ========== */
    .okooo-bottom-tabs {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1040;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-top: 1px solid var(--okooo-border);
        box-shadow: 0 -4px 20px rgba(13,17,23,0.08);
        padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    }
    .okooo-bottom-tabs a {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        padding: 8px 4px 6px;
        font-size: 0.68rem;
        font-weight: 600;
        color: var(--okooo-text-muted);
        border-radius: 8px;
        text-align: center;
        transition: var(--okooo-transition);
    }
    .okooo-bottom-tabs a i {
        font-size: 1.1rem;
    }
    .okooo-bottom-tabs a:hover {
        color: var(--okooo-accent);
    }
    .okooo-bottom-tabs a.active {
        color: var(--okooo-accent);
        background: var(--okooo-accent-soft);
    }
    
    /* ========== HERO ========== */
    .okooo-hero {
        position: relative;
        overflow: hidden;
        background-image: linear-gradient(135deg, rgba(13,17,23,0.94) 0%, rgba(13,17,23,0.82) 40%, rgba(22,29,39,0.72) 100%), url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        color: var(--okooo-text-light);
        padding: 88px 0 100px;
    }
    .okooo-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, transparent, var(--okooo-accent), transparent);
        opacity: 0.7;
    }
    .okooo-hero .container {
        position: relative;
        z-index: 2;
    }
    .okooo-hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(232, 137, 58, 0.16);
        border: 1px solid rgba(232, 137, 58, 0.4);
        color: #f8c79a;
        padding: 6px 16px;
        border-radius: 999px;
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 0.02em;
        margin-bottom: 24px;
    }
    .okooo-hero h1 {
        font-size: 2.6rem;
        font-weight: 800;
        letter-spacing: -0.03em;
        line-height: 1.2;
        margin: 0 0 20px;
        color: #fff;
    }
    .okooo-hero h1 span {
        color: var(--okooo-accent);
    }
    .okooo-hero-subtitle {
        font-size: 1.15rem;
        color: var(--okooo-text-light-muted);
        max-width: 640px;
        margin: 0 0 32px;
        line-height: 1.75;
    }
    .okooo-hero-points {
        list-style: none;
        padding: 0;
        margin: 0 0 36px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px 24px;
    }
    .okooo-hero-points li {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.92rem;
        color: var(--okooo-text-light);
        font-weight: 500;
    }
    .okooo-hero-points li i {
        color: var(--okooo-accent);
        font-size: 0.9rem;
    }
    .okooo-hero-cta {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-bottom: 36px;
    }
    .okooo-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 13px 28px;
        border-radius: 12px;
        font-size: 0.95rem;
        font-weight: 700;
        border: none;
        cursor: pointer;
        transition: var(--okooo-transition);
        letter-spacing: 0.01em;
    }
    .okooo-btn-primary {
        background: var(--okooo-accent);
        color: #fff;
    }
    .okooo-btn-primary:hover {
        background: var(--okooo-accent-hover);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(232, 137, 58, 0.3);
    }
    .okooo-btn-outline {
        background: transparent;
        color: #fff;
        border: 1.5px solid rgba(255, 255, 255, 0.4);
    }
    .okooo-btn-outline:hover {
        border-color: var(--okooo-accent);
        color: var(--okooo-accent);
        background: rgba(232, 137, 58, 0.08);
    }
    .okooo-hero-trust {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 20px 36px;
        padding-top: 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .okooo-hero-trust-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.84rem;
        color: var(--okooo-text-light-muted);
    }
    .okooo-hero-trust-item i {
        color: #4ade80;
        font-size: 0.95rem;
    }
    .okooo-hero-trust-item strong {
        color: var(--okooo-text-light);
        font-weight: 600;
    }
    .okooo-hero-side {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: var(--okooo-radius-lg);
        padding: 28px;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    .okooo-hero-side h3 {
        font-size: 1.1rem;
        font-weight: 700;
        color: #fff;
        margin: 0 0 20px;
    }
    .okooo-hero-side-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .okooo-hero-side-item:last-child {
        border-bottom: none;
    }
    .okooo-hero-side-item .label {
        font-size: 0.86rem;
        color: var(--okooo-text-light-muted);
    }
    .okooo-hero-side-item .value {
        font-size: 0.92rem;
        font-weight: 700;
        color: #fff;
    }
    .okooo-hero-side-item .value.up {
        color: #4ade80;
    }
    .okooo-hero-side-item .value.down {
        color: #f87171;
    }
    .okooo-hero-side-item .value.flat {
        color: var(--okooo-accent);
    }
    
    /* ========== SECTION BASE ========== */
    .okooo-section {
        padding: 72px 0;
    }
    .okooo-section-alt {
        background: var(--okooo-bg-alt);
    }
    .okooo-section-dark {
        background: var(--okooo-bg-dark);
        color: var(--okooo-text-light);
    }
    .okooo-section-heading {
        margin-bottom: 44px;
    }
    .okooo-section-heading .okooo-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.78rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        color: var(--okooo-accent);
        margin-bottom: 12px;
    }
    .okooo-section-heading h2 {
        font-size: 1.9rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        margin: 0 0 12px;
        color: inherit;
    }
    .okooo-section-heading p {
        font-size: 1rem;
        color: var(--okooo-text-muted);
        max-width: 680px;
        margin: 0;
    }
    .okooo-section-dark .okooo-section-heading p {
        color: var(--okooo-text-light-muted);
    }
    
    /* ========== METRIC BOARD ========== */
    .okooo-metric-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .okooo-metric-card {
        background: #fff;
        border: 1px solid var(--okooo-border);
        border-radius: var(--okooo-radius);
        padding: 24px;
        transition: var(--okooo-transition);
    }
    .okooo-metric-card:hover {
        box-shadow: var(--okooo-shadow);
        transform: translateY(-4px);
    }
    .okooo-metric-card .metric-icon {
        width: 44px;
        height: 44px;
        border-radius: 10px;
        background: var(--okooo-accent-soft);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--okooo-accent);
        font-size: 1.15rem;
        margin-bottom: 16px;
    }
    .okooo-metric-card .metric-value {
        font-size: 2.1rem;
        font-weight: 800;
        letter-spacing: -0.03em;
        color: var(--okooo-primary);
        margin-bottom: 4px;
    }
    .okooo-metric-card .metric-label {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--okooo-text);
        margin-bottom: 6px;
    }
    .okooo-metric-card .metric-desc {
        font-size: 0.84rem;
        color: var(--okooo-text-muted);
        margin: 0;
    }
    .okooo-metric-card .metric-change {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 0.78rem;
        font-weight: 700;
        padding: 2px 10px;
        border-radius: 999px;
        margin-top: 8px;
    }
    .metric-change.up {
        background: #ecfdf5;
        color: #059669;
    }
    .metric-change.down {
        background: #fef2f2;
        color: #dc2626;
    }
    
    /* ========== SERVICE MATRIX ========== */
    .okooo-service-wrap {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .okooo-service-card {
        background: #fff;
        border: 1px solid var(--okooo-border);
        border-radius: var(--okooo-radius-lg);
        padding: 32px;
        transition: var(--okooo-transition);
        position: relative;
        overflow: hidden;
    }
    .okooo-service-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--okooo-accent);
        opacity: 0;
        transition: var(--okooo-transition);
    }
    .okooo-service-card:hover {
        box-shadow: var(--okooo-shadow-lg);
        transform: translateY(-4px);
    }
    .okooo-service-card:hover::before {
        opacity: 1;
    }
    .okooo-service-card .service-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: var(--okooo-bg-dark);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.2rem;
        margin-bottom: 16px;
    }
    .okooo-service-card h3 {
        font-size: 1.2rem;
        font-weight: 700;
        margin: 0 0 10px;
        color: var(--okooo-primary);
    }
    .okooo-service-card p {
        font-size: 0.92rem;
        color: var(--okooo-text-muted);
        margin: 0 0 18px;
        line-height: 1.75;
    }
    .okooo-service-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .okooo-tag {
        display: inline-block;
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 0.76rem;
        font-weight: 600;
        background: var(--okooo-bg-alt);
        color: var(--okooo-text);
        transition: var(--okooo-transition);
    }
    .okooo-tag:hover {
        background: var(--okooo-accent-soft);
        color: var(--okooo-accent);
    }
    
    /* ========== RESULT COMPARE ========== */
    .okooo-compare-table {
        background: #fff;
        border: 1px solid var(--okooo-border);
        border-radius: var(--okooo-radius-lg);
        overflow: hidden;
        box-shadow: var(--okooo-shadow-sm);
    }
    .okooo-compare-table table {
        width: 100%;
        border-collapse: collapse;
        margin: 0;
    }
    .okooo-compare-table th,
    .okooo-compare-table td {
        padding: 16px 20px;
        text-align: left;
        border-bottom: 1px solid var(--okooo-border);
        font-size: 0.9rem;
    }
    .okooo-compare-table th {
        background: var(--okooo-bg-dark);
        color: var(--okooo-text-light);
        font-weight: 700;
        font-size: 0.82rem;
        letter-spacing: 0.02em;
    }
    .okooo-compare-table td {
        color: var(--okooo-text);
    }
    .okooo-compare-table tr:last-child td {
        border-bottom: none;
    }
    .okooo-compare-table tr:hover td {
        background: var(--okooo-accent-soft);
    }
    .okooo-compare-table .compare-good {
        color: #059669;
        font-weight: 700;
    }
    .okooo-compare-table .compare-mid {
        color: #d97706;
        font-weight: 600;
    }
    .okooo-compare-table .compare-low {
        color: #dc2626;
        font-weight: 600;
    }
    
    /* ========== CONTENT AREA ========== */
    .okooo-content-block {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 48px;
        align-items: center;
    }
    .okooo-content-block.image-right {
        grid-template-columns: 1fr 1.2fr;
    }
    .okooo-content-block .content-img {
        border-radius: var(--okooo-radius-lg);
        overflow: hidden;
        box-shadow: var(--okooo-shadow-lg);
    }
    .okooo-content-block .content-img img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    .okooo-content-block h3 {
        font-size: 1.45rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        margin: 0 0 16px;
        color: var(--okooo-primary);
    }
    .okooo-content-block p {
        font-size: 0.95rem;
        color: var(--okooo-text-muted);
        line-height: 1.8;
        margin-bottom: 16px;
    }
    .okooo-content-list {
        list-style: none;
        padding: 0;
        margin: 0 0 20px;
    }
    .okooo-content-list li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-size: 0.9rem;
        color: var(--okooo-text);
        padding: 8px 0;
    }
    .okooo-content-list li i {
        color: var(--okooo-accent);
        margin-top: 5px;
        flex-shrink: 0;
    }
    
    /* ========== FAQ ========== */
    .okooo-faq-list {
        max-width: 800px;
        margin: 0 auto;
    }
    .okooo-faq-item {
        background: #fff;
        border: 1px solid var(--okooo-border);
        border-radius: var(--okooo-radius);
        margin-bottom: 12px;
        overflow: hidden;
        transition: var(--okooo-transition);
    }
    .okooo-faq-item:hover {
        box-shadow: var(--okooo-shadow-sm);
        border-color: #d5cdc2;
    }
    .okooo-faq-item .accordion-button {
        background: #fff;
        font-weight: 700;
        font-size: 0.96rem;
        color: var(--okooo-primary);
        padding: 20px 24px;
        border-radius: 0;
        box-shadow: none;
    }
    .okooo-faq-item .accordion-button:not(.collapsed) {
        background: var(--okooo-accent-soft);
        color: var(--okooo-accent);
    }
    .okooo-faq-item .accordion-button:focus {
        box-shadow: none;
        outline: 3px solid rgba(232, 137, 58, 0.25);
        outline-offset: -2px;
    }
    .okooo-faq-item .accordion-body {
        padding: 18px 24px 22px;
        font-size: 0.9rem;
        color: var(--okooo-text-muted);
        line-height: 1.75;
    }
    
    /* ========== FORM / CTA ========== */
    .okooo-form-section {
        background: var(--okooo-bg-dark);
        position: relative;
        overflow: hidden;
    }
    .okooo-form-section::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 60%;
        height: 100%;
        background: radial-gradient(ellipse at center, rgba(232, 137, 58, 0.12) 0%, transparent 70%);
        pointer-events: none;
    }
    .okooo-form-section .container {
        position: relative;
        z-index: 2;
    }
    .okooo-form-card {
        background: #fff;
        border-radius: var(--okooo-radius-lg);
        padding: 40px;
        box-shadow: var(--okooo-shadow-lg);
    }
    .okooo-form-card h3 {
        font-size: 1.5rem;
        font-weight: 800;
        margin: 0 0 12px;
        color: var(--okooo-primary);
    }
    .okooo-form-card p {
        font-size: 0.9rem;
        color: var(--okooo-text-muted);
        margin-bottom: 24px;
    }
    .okooo-form-control {
        border: 1.5px solid var(--okooo-border);
        border-radius: 10px;
        padding: 12px 16px;
        font-size: 0.92rem;
        transition: var(--okooo-transition);
        width: 100%;
        margin-bottom: 16px;
    }
    .okooo-form-control:focus {
        border-color: var(--okooo-accent);
        box-shadow: 0 0 0 3px rgba(232, 137, 58, 0.2);
        outline: none;
    }
    .okooo-form-side {
        color: var(--okooo-text-light);
    }
    .okooo-form-side h3 {
        font-size: 1.7rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        margin: 0 0 16px;
        color: #fff;
    }
    .okooo-form-side p {
        font-size: 0.95rem;
        color: var(--okooo-text-light-muted);
        line-height: 1.8;
        margin-bottom: 24px;
    }
    .okooo-form-side-points {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .okooo-form-side-points li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-size: 0.9rem;
        color: var(--okooo-text-light);
        padding: 8px 0;
    }
    .okooo-form-side-points li i {
        color: var(--okooo-accent);
        margin-top: 5px;
    }
    
    /* ========== CTA ========== */
    .okooo-cta-section {
        background: var(--okooo-accent);
        color: #fff;
        padding: 72px 0;
        position: relative;
        overflow: hidden;
    }
    .okooo-cta-section::before {
        content: '';
        position: absolute;
        top: -40%;
        left: -10%;
        width: 60%;
        height: 180%;
        background: rgba(255, 255, 255, 0.08);
        border-radius: 50%;
        pointer-events: none;
    }
    .okooo-cta-section .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }
    .okooo-cta-section h2 {
        font-size: 2.2rem;
        font-weight: 800;
        letter-spacing: -0.03em;
        margin: 0 0 16px;
        color: #fff;
    }
    .okooo-cta-section p {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.85);
        max-width: 640px;
        margin: 0 auto 32px;
    }
    .okooo-cta-section .okooo-btn {
        background: #fff;
        color: var(--okooo-accent);
    }
    .okooo-cta-section .okooo-btn:hover {
        background: var(--okooo-primary);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(13,17,23,0.3);
    }
    
    /* ========== BRAND INTRO ========== */
    .okooo-brand-section {
        background: var(--okooo-bg-alt);
        border-top: 1px solid var(--okooo-border);
        border-bottom: 1px solid var(--okooo-border);
    }
    .okooo-brand-card {
        background: #fff;
        border-radius: var(--okooo-radius-lg);
        padding: 36px;
        border: 1px solid var(--okooo-border);
        box-shadow: var(--okooo-shadow-sm);
    }
    .okooo-brand-card h3 {
        font-size: 1.4rem;
        font-weight: 800;
        margin: 0 0 16px;
        color: var(--okooo-primary);
    }
    .okooo-brand-card p {
        font-size: 0.95rem;
        color: var(--okooo-text-muted);
        line-height: 1.85;
        margin-bottom: 12px;
    }
    
    /* ========== FOOTER ========== */
    .okooo-footer {
        background: var(--okooo-bg-dark-soft);
        color: var(--okooo-text-light);
        padding: 56px 0 40px;
        border-top: 1px solid var(--okooo-border-dark);
    }
    .okooo-footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 36px;
        margin-bottom: 36px;
    }
    .okooo-footer-brand {
        font-size: 1.4rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        color: #fff;
        margin-bottom: 14px;
    }
    .okooo-footer-brand span {
        color: var(--okooo-accent);
    }
    .okooo-footer-desc {
        font-size: 0.86rem;
        color: var(--okooo-text-light-muted);
        line-height: 1.7;
        margin: 0;
    }
    .okooo-footer h5 {
        font-size: 0.9rem;
        font-weight: 700;
        color: #fff;
        margin: 0 0 14px;
    }
    .okooo-footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .okooo-footer-links li {
        margin-bottom: 8px;
    }
    .okooo-footer-links a {
        font-size: 0.84rem;
        color: var(--okooo-text-light-muted);
        transition: var(--okooo-transition);
    }
    .okooo-footer-links a:hover {
        color: var(--okooo-accent);
    }
    .okooo-footer-bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px 24px;
        padding-top: 20px;
        border-top: 1px solid var(--okooo-border-dark);
        font-size: 0.8rem;
        color: var(--okooo-text-light-muted);
    }
    .okooo-footer-bottom a {
        color: var(--okooo-text-light-muted);
    }
    .okooo-footer-bottom a:hover {
        color: var(--okooo-accent);
    }
    
    /* ========== RESPONSIVE ========== */
    @media (min-width: 992px) {
        .okooo-nav-desktop {
            display: flex;
        }
        .okooo-mobile-toggle {
            display: none;
        }
        .okooo-mobile-menu {
            display: none !important;
        }
        .okooo-bottom-tabs {
            display: none;
        }
        .okooo-hero h1 {
            font-size: 3.2rem;
        }
        .okooo-metric-grid {
            grid-template-columns: repeat(4, 1fr);
        }
        .okooo-service-wrap {
            grid-template-columns: repeat(3, 1fr);
        }
    }
    @media (max-width: 991.98px) {
        .okooo-nav-desktop {
            display: none;
        }
        .okooo-mobile-toggle {
            display: inline-flex;
        }
        .okooo-bottom-tabs {
            display: flex;
        }
        body {
            padding-bottom: 64px;
        }
        .okooo-hero {
            padding: 64px 0 72px;
        }
        .okooo-hero h1 {
            font-size: 2.2rem;
        }
        .okooo-hero-subtitle {
            font-size: 1rem;
        }
        .okooo-metric-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .okooo-service-wrap {
            grid-template-columns: 1fr;
        }
        .okooo-content-block,
        .okooo-content-block.image-right {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .okooo-footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .okooo-section {
            padding: 56px 0;
        }
        .okooo-section-heading h2 {
            font-size: 1.6rem;
        }
    }
    @media (max-width: 767.98px) {
        .container {
            padding-left: 18px;
            padding-right: 18px;
        }
        .okooo-hero {
            padding: 48px 0 56px;
        }
        .okooo-hero h1 {
            font-size: 1.7rem;
        }
        .okooo-hero-points {
            flex-direction: column;
            gap: 8px;
        }
        .okooo-hero-cta {
            flex-direction: column;
        }
        .okooo-btn {
            width: 100%;
        }
        .okooo-metric-grid {
            grid-template-columns: 1fr;
        }
        .okooo-service-card {
            padding: 24px;
        }
        .okooo-form-card {
            padding: 24px;
        }
        .okooo-footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .okooo-footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .okooo-section {
            padding: 44px 0;
        }
        .okooo-section-heading h2 {
            font-size: 1.4rem;
        }
        .okooo-content-block h3 {
            font-size: 1.2rem;
        }
        .okooo-cta-section h2 {
            font-size: 1.6rem;
        }
        .okooo-cta-section p {
            font-size: 0.95rem;
        }
        .okooo-bottom-tabs a {
            font-size: 0.6rem;
        }
        .okooo-bottom-tabs a i {
            font-size: 1rem;
        }
    }
    @media (max-width: 519.98px) {
        .okooo-hero h1 {
            font-size: 1.45rem;
        }
        .okooo-hero-subtitle {
            font-size: 0.9rem;
        }
        .okooo-header-btn {
            padding: 8px 12px;
            font-size: 0.78rem;
        }
        .okooo-logo {
            font-size: 1.15rem;
        }
        .okooo-logo-icon {
            width: 32px;
            height: 32px;
            font-size: 0.95rem;
        }
        .okooo-compare-table th,
        .okooo-compare-table td {
            padding: 10px 12px;
            font-size: 0.78rem;
        }
    }

/* roulang page: category2 */
:root {
            --okooo-primary: #0d1117;
            --okooo-primary-soft: #161d27;
            --okooo-secondary: #0d1117;
            --okooo-accent: #e8893a;
            --okooo-accent-hover: #d6742a;
            --okooo-accent-soft: #fdf0e5;
            --okooo-bg: #ffffff;
            --okooo-bg-alt: #f6f3ee;
            --okooo-bg-dark: #0d1117;
            --okooo-bg-dark-soft: #111820;
            --okooo-text: #1a1d24;
            --okooo-text-muted: #6b7280;
            --okooo-text-light: #e8e6e1;
            --okooo-text-light-muted: #a8a29a;
            --okooo-border: #e5e0d8;
            --okooo-border-dark: #2a3038;
            --okooo-radius-sm: 8px;
            --okooo-radius: 14px;
            --okooo-radius-lg: 20px;
            --okooo-shadow-sm: 0 1px 4px rgba(13, 17, 23, 0.06);
            --okooo-shadow: 0 8px 28px rgba(13, 17, 23, 0.08);
            --okooo-shadow-lg: 0 20px 50px rgba(13, 17, 23, 0.15);
            --okooo-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --okooo-transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--okooo-font);
            background-color: var(--okooo-bg);
            color: var(--okooo-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 68px;
        }

        @media (min-width: 992px) {
            body {
                padding-bottom: 0;
            }
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--okooo-transition);
        }

        a:hover {
            color: var(--okooo-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 3px solid rgba(232, 137, 58, 0.35);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 28px;
                padding-right: 28px;
            }
        }

        @media (min-width: 1200px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .okooo-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--okooo-border);
            padding: 0;
        }

        .okooo-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .okooo-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--okooo-primary) !important;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .okooo-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--okooo-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .okooo-logo span {
            color: var(--okooo-accent);
        }

        .okooo-nav-desktop {
            display: none;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .okooo-nav-desktop::-webkit-scrollbar {
            display: none;
        }

        @media (min-width: 1200px) {
            .okooo-nav-desktop {
                display: flex;
            }
        }

        .okooo-nav-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
        }

        .okooo-nav-desktop a:hover {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--okooo-accent);
            border-radius: 2px;
        }

        .okooo-header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .okooo-header-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            background: var(--okooo-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--okooo-transition);
        }

        .okooo-header-btn:hover {
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border);
            background: #fff;
            color: var(--okooo-text);
            font-size: 1rem;
            cursor: pointer;
            transition: var(--okooo-transition);
        }

        .okooo-mobile-toggle:hover {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            border-color: var(--okooo-accent);
        }

        @media (min-width: 1200px) {
            .okooo-mobile-toggle {
                display: none;
            }
        }

        .okooo-mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--okooo-border);
            padding: 12px 20px;
            flex-direction: column;
            gap: 4px;
            max-height: 60vh;
            overflow-y: auto;
        }

        .okooo-mobile-menu.show {
            display: flex;
        }

        .okooo-mobile-menu a {
            display: flex;
            align-items: center;
            padding: 10px 12px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
        }

        .okooo-mobile-menu a:hover,
        .okooo-mobile-menu a.active {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        /* ========== MOBILE BOTTOM TAB ========== */
        .okooo-bottom-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid var(--okooo-border);
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            padding: 4px 0 calc(4px + env(safe-area-inset-bottom));
            box-shadow: 0 -4px 20px rgba(13, 17, 23, 0.06);
        }

        @media (min-width: 992px) {
            .okooo-bottom-tab {
                display: none;
            }
        }

        .okooo-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 0.68rem;
            font-weight: 600;
            color: var(--okooo-text-muted);
            padding: 6px 4px;
            border-radius: 8px;
            min-width: 56px;
            transition: var(--okooo-transition);
        }

        .okooo-bottom-tab a i {
            font-size: 1.1rem;
        }

        .okooo-bottom-tab a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-bottom-tab a:hover {
            color: var(--okooo-accent);
        }

        /* ========== PAGE HERO ========== */
        .okooo-page-hero {
            position: relative;
            background: var(--okooo-bg-dark);
            padding: 48px 0 56px;
            overflow: hidden;
            isolation: isolate;
        }

        .okooo-page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: -1;
        }

        .okooo-page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 17, 23, 0.96) 0%, rgba(13, 17, 23, 0.75) 55%, rgba(13, 17, 23, 0.4) 100%);
            z-index: -1;
        }

        .okooo-hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-hero-grid {
                grid-template-columns: 1.1fr 0.9fr;
                gap: 48px;
            }
        }

        .okooo-hero-content h1 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .okooo-hero-content h1 span {
            color: var(--okooo-accent);
        }

        .okooo-hero-content p {
            font-size: 1.05rem;
            color: var(--okooo-text-light-muted);
            max-width: 560px;
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .okooo-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }

        .okooo-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--okooo-text-light);
        }

        .okooo-hero-tag i {
            color: var(--okooo-accent);
            font-size: 0.7rem;
        }

        .okooo-hero-form-card {
            background: #fff;
            border-radius: var(--okooo-radius-lg);
            padding: 28px;
            box-shadow: var(--okooo-shadow-lg);
            position: relative;
        }

        .okooo-hero-form-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--okooo-text);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .okooo-hero-form-card .okooo-form-hint {
            font-size: 0.85rem;
            color: var(--okooo-text-muted);
            margin-bottom: 18px;
        }

        .okooo-hero-form-card .form-label {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--okooo-text);
            margin-bottom: 6px;
        }

        .okooo-hero-form-card .form-control,
        .okooo-hero-form-card .form-select {
            border: 1.5px solid var(--okooo-border);
            border-radius: 10px;
            padding: 10px 14px;
            font-size: 0.9rem;
            transition: var(--okooo-transition);
            background: #fff;
            color: var(--okooo-text);
        }

        .okooo-hero-form-card .form-control:focus,
        .okooo-hero-form-card .form-select:focus {
            border-color: var(--okooo-accent);
            box-shadow: 0 0 0 3px rgba(232, 137, 58, 0.12);
        }

        .okooo-hero-form-card .okooo-form-submit {
            width: 100%;
            padding: 12px 20px;
            background: var(--okooo-accent);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--okooo-transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .okooo-hero-form-card .okooo-form-submit:hover {
            background: var(--okooo-accent-hover);
        }

        /* ========== SECTION GENERAL ========== */
        .okooo-section {
            padding: 56px 0;
        }

        @media (min-width: 768px) {
            .okooo-section {
                padding: 72px 0;
            }
        }

        .okooo-section-alt {
            background: var(--okooo-bg-alt);
        }

        .okooo-section-dark {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
        }

        .okooo-section-header {
            margin-bottom: 36px;
        }

        .okooo-section-header h2 {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--okooo-text);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .okooo-section-dark .okooo-section-header h2 {
            color: #fff;
        }

        .okooo-section-header p {
            font-size: 0.98rem;
            color: var(--okooo-text-muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .okooo-section-dark .okooo-section-header p {
            color: var(--okooo-text-light-muted);
        }

        .okooo-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--okooo-accent);
            margin-bottom: 10px;
        }

        .okooo-eyebrow::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--okooo-accent);
            border-radius: 2px;
        }

        /* ========== METRIC BOARD ========== */
        .okooo-metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        @media (min-width: 768px) {
            .okooo-metrics-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
        }

        .okooo-metric-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 22px 18px;
            text-align: center;
            transition: var(--okooo-transition);
            position: relative;
            overflow: hidden;
        }

        .okooo-metric-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--okooo-accent);
            opacity: 0;
            transition: var(--okooo-transition);
        }

        .okooo-metric-card:hover {
            box-shadow: var(--okooo-shadow);
            transform: translateY(-3px);
            border-color: var(--okooo-accent);
        }

        .okooo-metric-card:hover::after {
            opacity: 1;
        }

        .okooo-metric-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--okooo-text);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .okooo-metric-card:nth-child(1) .okooo-metric-number {
            color: var(--okooo-accent);
        }

        .okooo-metric-label {
            font-size: 0.82rem;
            color: var(--okooo-text-muted);
            font-weight: 500;
        }

        .okooo-metric-desc {
            font-size: 0.72rem;
            color: var(--okooo-text-muted);
            opacity: 0.8;
            margin-top: 4px;
        }

        /* ========== SERVICE MATRIX ========== */
        .okooo-service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-service-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (min-width: 992px) {
            .okooo-service-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .okooo-service-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-lg);
            padding: 26px 22px;
            transition: var(--okooo-transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
            position: relative;
        }

        .okooo-service-card:hover {
            box-shadow: var(--okooo-shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(232, 137, 58, 0.4);
        }

        .okooo-service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--okooo-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--okooo-accent);
            font-size: 1.2rem;
            margin-bottom: 4px;
            flex-shrink: 0;
        }

        .okooo-service-card h4 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--okooo-text);
            margin: 0;
            letter-spacing: -0.01em;
        }

        .okooo-service-card p {
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            line-height: 1.75;
            margin: 0;
            flex-grow: 1;
        }

        .okooo-service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--okooo-accent);
            transition: var(--okooo-transition);
        }

        .okooo-service-link i {
            font-size: 0.7rem;
            transition: var(--okooo-transition);
        }

        .okooo-service-link:hover {
            color: var(--okooo-accent-hover);
        }

        .okooo-service-link:hover i {
            transform: translateX(4px);
        }

        /* ========== COMPARISON ========== */
        .okooo-compare-wrapper {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow);
        }

        .okooo-compare-table {
            width: 100%;
            border-collapse: collapse;
        }

        .okooo-compare-table thead th {
            background: var(--okooo-bg-dark);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 700;
            padding: 16px 18px;
            text-align: left;
            border-bottom: 2px solid var(--okooo-accent);
        }

        .okooo-compare-table tbody td {
            padding: 14px 18px;
            font-size: 0.88rem;
            color: var(--okooo-text);
            border-bottom: 1px solid var(--okooo-border);
            vertical-align: middle;
        }

        .okooo-compare-table tbody tr:hover td {
            background: var(--okooo-accent-soft);
        }

        .okooo-compare-table .okooo-col-accent {
            color: var(--okooo-accent);
            font-weight: 700;
        }

        .okooo-compare-table .okooo-col-muted {
            color: var(--okooo-text-muted);
        }

        .okooo-compare-check {
            color: var(--okooo-accent);
            font-weight: 700;
        }

        .okooo-compare-x {
            color: #c4c4c4;
        }

        /* ========== DEEP CONTENT ========== */
        .okooo-deep-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            align-items: start;
        }

        @media (min-width: 992px) {
            .okooo-deep-grid {
                grid-template-columns: 1fr 1fr;
                gap: 48px;
            }
        }

        .okooo-deep-text h3 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--okooo-text);
            letter-spacing: -0.01em;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .okooo-deep-text p {
            font-size: 0.94rem;
            color: var(--okooo-text-muted);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .okooo-deep-image {
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow-lg);
            position: relative;
        }

        .okooo-deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .okooo-deep-image .okooo-img-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(13, 17, 23, 0.85);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.78rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .okooo-deep-image .okooo-img-badge i {
            color: var(--okooo-accent);
        }

        /* ========== BRAND INTRO ========== */
        .okooo-brand-intro {
            background: var(--okooo-bg-dark);
            border-radius: var(--okooo-radius-lg);
            padding: 36px 28px;
            color: var(--okooo-text-light);
            position: relative;
            overflow: hidden;
        }

        .okooo-brand-intro::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(232, 137, 58, 0.12);
        }

        .okooo-brand-intro::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 20%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(232, 137, 58, 0.08);
        }

        .okooo-brand-intro h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .okooo-brand-intro p {
            font-size: 0.94rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.9;
            position: relative;
            z-index: 1;
            margin: 0;
        }

        .okooo-brand-intro .okooo-brand-highlight {
            color: var(--okooo-accent);
            font-weight: 700;
        }

        /* ========== TESTIMONIALS ========== */
        .okooo-testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (min-width: 992px) {
            .okooo-testimonial-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .okooo-testimonial-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 22px;
            transition: var(--okooo-transition);
        }

        .okooo-testimonial-card:hover {
            box-shadow: var(--okooo-shadow);
            transform: translateY(-2px);
        }

        .okooo-testimonial-stars {
            color: var(--okooo-accent);
            font-size: 0.8rem;
            margin-bottom: 10px;
            display: flex;
            gap: 2px;
        }

        .okooo-testimonial-text {
            font-size: 0.88rem;
            color: var(--okooo-text);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .okooo-testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .okooo-testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--okooo-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--okooo-accent);
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .okooo-testimonial-name {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--okooo-text);
        }

        .okooo-testimonial-role {
            font-size: 0.72rem;
            color: var(--okooo-text-muted);
        }

        /* ========== FAQ ========== */
        .okooo-faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .okooo-faq-item {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--okooo-transition);
        }

        .okooo-faq-item:hover {
            border-color: rgba(232, 137, 58, 0.4);
        }

        .okooo-faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background: none;
            border: none;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--okooo-text);
            cursor: pointer;
            text-align: left;
            transition: var(--okooo-transition);
        }

        .okooo-faq-question:hover {
            color: var(--okooo-accent);
        }

        .okooo-faq-question .okooo-faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--okooo-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--okooo-accent);
            font-size: 0.7rem;
            transition: var(--okooo-transition);
        }

        .okooo-faq-question[aria-expanded="true"] .okooo-faq-icon {
            transform: rotate(45deg);
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-faq-answer {
            padding: 0 20px 16px;
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            line-height: 1.85;
        }

        /* ========== CTA / FORM ========== */
        .okooo-cta-section {
            background: var(--okooo-bg-dark);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }

        .okooo-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: -1;
        }

        .okooo-cta-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 30px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-cta-grid {
                grid-template-columns: 1fr 1fr;
                gap: 48px;
            }
        }

        .okooo-cta-content h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .okooo-cta-content p {
            font-size: 0.96rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .okooo-cta-points {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .okooo-cta-points li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--okooo-text-light);
        }

        .okooo-cta-points li i {
            color: var(--okooo-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .okooo-cta-form-card {
            background: #fff;
            border-radius: var(--okooo-radius-lg);
            padding: 28px;
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-cta-form-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--okooo-text);
            margin-bottom: 4px;
        }

        .okooo-cta-form-card .okooo-form-hint {
            font-size: 0.82rem;
            color: var(--okooo-text-muted);
            margin-bottom: 18px;
        }

        .okooo-cta-form-card .form-label {
            font-weight: 600;
            font-size: 0.82rem;
            color: var(--okooo-text);
            margin-bottom: 4px;
        }

        .okooo-cta-form-card .form-control,
        .okooo-cta-form-card .form-select {
            border: 1.5px solid var(--okooo-border);
            border-radius: 10px;
            padding: 10px 14px;
            font-size: 0.88rem;
            transition: var(--okooo-transition);
        }

        .okooo-cta-form-card .form-control:focus,
        .okooo-cta-form-card .form-select:focus {
            border-color: var(--okooo-accent);
            box-shadow: 0 0 0 3px rgba(232, 137, 58, 0.12);
        }

        .okooo-cta-form-card .okooo-form-submit {
            width: 100%;
            padding: 12px 20px;
            background: var(--okooo-accent);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.92rem;
            cursor: pointer;
            transition: var(--okooo-transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .okooo-cta-form-card .okooo-form-submit:hover {
            background: var(--okooo-accent-hover);
        }

        .okooo-form-note {
            font-size: 0.72rem;
            color: var(--okooo-text-muted);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== FOOTER ========== */
        .okooo-footer {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 48px 0 24px;
            border-top: 1px solid var(--okooo-border-dark);
        }

        .okooo-footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        @media (min-width: 768px) {
            .okooo-footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 36px;
            }
        }

        .okooo-footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .okooo-footer-brand span {
            color: var(--okooo-accent);
        }

        .okooo-footer-desc {
            font-size: 0.85rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.8;
            max-width: 320px;
            margin-bottom: 0;
        }

        .okooo-footer h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .okooo-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .okooo-footer-links a {
            font-size: 0.82rem;
            color: var(--okooo-text-light-muted);
            transition: var(--okooo-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .okooo-footer-links a:hover {
            color: var(--okooo-accent);
        }

        .okooo-footer-bottom {
            border-top: 1px solid var(--okooo-border-dark);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--okooo-text-light-muted);
        }

        @media (min-width: 768px) {
            .okooo-footer-bottom {
                flex-direction: row;
                flex-wrap: wrap;
                align-items: center;
                justify-content: space-between;
                gap: 12px;
            }
        }

        .okooo-footer-bottom a {
            color: var(--okooo-text-light-muted);
            transition: var(--okooo-transition);
        }

        .okooo-footer-bottom a:hover {
            color: var(--okooo-accent);
        }

        /* ========== MODAL STYLES ========== */
        .okooo-modal .modal-content {
            border-radius: var(--okooo-radius-lg);
            border: none;
            box-shadow: var(--okooo-shadow-lg);
            overflow: hidden;
        }

        .okooo-modal .modal-header {
            background: var(--okooo-bg-dark);
            color: #fff;
            border: none;
            padding: 20px 24px;
        }

        .okooo-modal .modal-header h5 {
            font-weight: 700;
            font-size: 1.05rem;
        }

        .okooo-modal .btn-close {
            filter: invert(1);
        }

        .okooo-modal .modal-body {
            padding: 24px;
        }

        .okooo-modal .modal-body .form-label {
            font-weight: 600;
            font-size: 0.82rem;
            color: var(--okooo-text);
        }

        .okooo-modal .modal-body .form-control,
        .okooo-modal .modal-body .form-select {
            border: 1.5px solid var(--okooo-border);
            border-radius: 10px;
            padding: 10px 14px;
            font-size: 0.88rem;
        }

        .okooo-modal .modal-body .form-control:focus,
        .okooo-modal .modal-body .form-select:focus {
            border-color: var(--okooo-accent);
            box-shadow: 0 0 0 3px rgba(232, 137, 58, 0.12);
        }

        /* ========== ANIMATIONS ========== */
        @keyframes okoooFadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .okooo-animate-in {
            animation: okoooFadeInUp 0.6s ease forwards;
        }

        .okooo-delay-1 {
            animation-delay: 0.1s;
        }
        .okooo-delay-2 {
            animation-delay: 0.2s;
        }
        .okooo-delay-3 {
            animation-delay: 0.3s;
        }

        /* ========== RESPONSIVE FINE-TUNE ========== */
        @media (max-width: 767px) {
            .okooo-page-hero {
                padding: 36px 0 44px;
            }

            .okooo-hero-content h1 {
                font-size: 1.6rem;
            }

            .okooo-hero-content p {
                font-size: 0.92rem;
            }

            .okooo-section {
                padding: 44px 0;
            }

            .okooo-section-header h2 {
                font-size: 1.35rem;
            }

            .okooo-metric-number {
                font-size: 1.4rem;
            }

            .okooo-service-grid {
                grid-template-columns: 1fr;
            }

            .okooo-compare-table thead {
                display: none;
            }

            .okooo-compare-table tbody tr {
                display: block;
                border: 1px solid var(--okooo-border);
                border-radius: 8px;
                margin-bottom: 10px;
                padding: 4px 12px;
            }

            .okooo-compare-table tbody td {
                display: flex;
                align-items: center;
                justify-content: space-between;
                border-bottom: 1px dashed var(--okooo-border);
                padding: 10px 8px;
                font-size: 0.82rem;
            }

            .okooo-compare-table tbody td:last-child {
                border-bottom: none;
            }

            .okooo-compare-table tbody td::before {
                content: attr(data-label);
                font-weight: 700;
                color: var(--okooo-text-muted);
                font-size: 0.78rem;
                margin-right: 12px;
                flex-shrink: 0;
            }
        }

        @media (min-width: 768px) and (max-width: 1199px) {
            .okooo-nav-desktop {
                display: flex;
                gap: 0;
            }

            .okooo-nav-desktop a {
                padding: 8px 10px;
                font-size: 0.75rem;
            }

            .okooo-mobile-toggle {
                display: none;
            }
        }

        @media (max-width: 991px) {
            .okooo-bottom-tab {
                display: flex;
            }
        }

/* roulang page: category1 */
:root {
            --okooo-primary: #0d1117;
            --okooo-primary-soft: #161d27;
            --okooo-secondary: #0d1117;
            --okooo-accent: #e8893a;
            --okooo-accent-hover: #d6742a;
            --okooo-accent-soft: #fdf0e5;
            --okooo-bg: #ffffff;
            --okooo-bg-alt: #f6f3ee;
            --okooo-bg-dark: #0d1117;
            --okooo-bg-dark-soft: #111820;
            --okooo-text: #1a1d24;
            --okooo-text-muted: #6b7280;
            --okooo-text-light: #e8e6e1;
            --okooo-text-light-muted: #a8a29a;
            --okooo-border: #e5e0d8;
            --okooo-border-dark: #2a3038;
            --okooo-radius-sm: 8px;
            --okooo-radius: 14px;
            --okooo-radius-lg: 20px;
            --okooo-shadow-sm: 0 1px 4px rgba(13, 17, 23, 0.06);
            --okooo-shadow: 0 8px 28px rgba(13, 17, 23, 0.08);
            --okooo-shadow-lg: 0 20px 50px rgba(13, 17, 23, 0.15);
            --okooo-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --okooo-transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--okooo-font);
            background-color: var(--okooo-bg);
            color: var(--okooo-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--okooo-transition);
        }

        a:hover {
            color: var(--okooo-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 3px solid rgba(232, 137, 58, 0.35);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        @media (min-width: 1200px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
                max-width: 1240px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .okooo-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--okooo-border);
            padding: 0;
        }

        .okooo-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .okooo-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--okooo-primary) !important;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .okooo-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--okooo-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .okooo-logo span {
            color: var(--okooo-accent);
        }

        .okooo-nav-desktop {
            display: none;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }

        @media (min-width: 1024px) {
            .okooo-nav-desktop {
                display: flex;
            }
        }

        .okooo-nav-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 13px;
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            letter-spacing: -0.01em;
        }

        .okooo-nav-desktop a:hover {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--okooo-accent);
            border-radius: 2px;
        }

        .okooo-header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .okooo-header-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            background: var(--okooo-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--okooo-transition);
        }

        .okooo-header-btn:hover {
            background: var(--okooo-accent);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--okooo-shadow);
        }

        .okooo-mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border);
            background: #fff;
            color: var(--okooo-text);
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--okooo-transition);
        }

        @media (min-width: 1024px) {
            .okooo-mobile-toggle {
                display: none;
            }
        }

        .okooo-mobile-toggle:hover {
            color: var(--okooo-accent);
            border-color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-mobile-menu {
            display: none;
            padding: 16px 28px 20px;
            background: #fff;
            border-bottom: 1px solid var(--okooo-border);
            max-height: calc(100vh - 68px);
            overflow-y: auto;
        }

        .okooo-mobile-menu.show {
            display: block;
        }

        .okooo-mobile-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 13px 10px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--okooo-text);
            border-bottom: 1px solid var(--okooo-border);
            transition: var(--okooo-transition);
        }

        .okooo-mobile-menu a:last-child {
            border-bottom: none;
        }

        .okooo-mobile-menu a:hover,
        .okooo-mobile-menu a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        /* ========== 移动端底部Tab导航 ========== */
        .okooo-bottom-tab-bar {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--okooo-border);
            padding: 4px 6px;
            padding-bottom: calc(4px + env(safe-area-inset-bottom, 0px));
            justify-content: space-around;
            align-items: center;
            box-shadow: 0 -4px 20px rgba(13, 17, 23, 0.06);
        }

        @media (min-width: 1024px) {
            .okooo-bottom-tab-bar {
                display: none;
            }
        }

        .okooo-bottom-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 7px 10px;
            border-radius: 10px;
            font-size: 0.66rem;
            font-weight: 600;
            color: var(--okooo-text-muted);
            min-width: 56px;
            transition: var(--okooo-transition);
            text-align: center;
            line-height: 1.25;
        }

        .okooo-bottom-tab i {
            font-size: 1.15rem;
        }

        .okooo-bottom-tab:hover,
        .okooo-bottom-tab.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        /* ========== SECTION公共样式 ========== */
        .okooo-section {
            padding: 72px 0;
        }

        .okooo-section-sm {
            padding: 48px 0;
        }

        .okooo-section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--okooo-accent);
            margin-bottom: 14px;
        }

        .okooo-section-label::before {
            content: '';
            width: 26px;
            height: 2px;
            background: var(--okooo-accent);
            border-radius: 2px;
        }

        .okooo-section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.25;
            margin-bottom: 14px;
            color: var(--okooo-primary);
        }

        .okooo-section-subtitle {
            font-size: 1.05rem;
            color: var(--okooo-text-muted);
            line-height: 1.8;
            max-width: 720px;
        }

        .okooo-section-header {
            margin-bottom: 48px;
        }

        @media (min-width: 768px) {
            .okooo-section-title {
                font-size: 2.6rem;
            }
        }

        /* ========== 内页Hero ========== */
        .okooo-inner-hero {
            position: relative;
            padding: 80px 0 100px;
            background: var(--okooo-bg-alt);
            overflow: hidden;
            border-bottom: 1px solid var(--okooo-border);
        }

        .okooo-inner-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .okooo-inner-hero .container {
            position: relative;
            z-index: 2;
        }

        .okooo-inner-hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-inner-hero-grid {
                grid-template-columns: 1fr 0.85fr;
                gap: 56px;
            }
        }

        .okooo-inner-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.04em;
            line-height: 1.15;
            margin-bottom: 20px;
            color: var(--okooo-primary);
        }

        .okooo-inner-hero h1 .okooo-highlight {
            color: var(--okooo-accent);
            position: relative;
            white-space: nowrap;
        }

        .okooo-inner-hero p {
            font-size: 1.1rem;
            color: var(--okooo-text-muted);
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 28px;
        }

        .okooo-inner-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .okooo-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 12px;
            font-size: 0.92rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--okooo-transition);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .okooo-btn-primary {
            background: var(--okooo-primary);
            color: #fff;
        }

        .okooo-btn-primary:hover {
            background: var(--okooo-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-btn-accent {
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-btn-accent:hover {
            background: var(--okooo-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--okooo-shadow);
        }

        .okooo-btn-outline {
            background: transparent;
            color: var(--okooo-primary);
            border: 1.5px solid var(--okooo-border);
        }

        .okooo-btn-outline:hover {
            border-color: var(--okooo-accent);
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
            transform: translateY(-2px);
        }

        /* Hero演示区 */
        .okooo-hero-demo {
            background: #fff;
            border-radius: var(--okooo-radius-lg);
            box-shadow: var(--okooo-shadow-lg);
            border: 1px solid var(--okooo-border);
            overflow: hidden;
            transition: var(--okooo-transition);
        }

        .okooo-hero-demo:hover {
            transform: translateY(-4px);
            box-shadow: 0 28px 60px rgba(13, 17, 23, 0.18);
        }

        .okooo-demo-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            background: var(--okooo-bg-alt);
            border-bottom: 1px solid var(--okooo-border);
        }

        .okooo-demo-dots {
            display: flex;
            gap: 6px;
        }

        .okooo-demo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #d1d5db;
        }

        .okooo-demo-dot:nth-child(1) {
            background: #ef4444;
        }
        .okooo-demo-dot:nth-child(2) {
            background: #f59e0b;
        }
        .okooo-demo-dot:nth-child(3) {
            background: #10b981;
        }

        .okooo-demo-body {
            padding: 28px 24px;
        }

        .okooo-demo-stat-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 18px;
        }

        .okooo-demo-stat {
            background: var(--okooo-bg-alt);
            border-radius: 10px;
            padding: 14px 12px;
            text-align: center;
            transition: var(--okooo-transition);
        }

        .okooo-demo-stat:hover {
            background: var(--okooo-accent-soft);
            transform: translateY(-2px);
        }

        .okooo-demo-stat-value {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--okooo-primary);
            letter-spacing: -0.02em;
        }

        .okooo-demo-stat-label {
            font-size: 0.72rem;
            color: var(--okooo-text-muted);
            font-weight: 600;
        }

        .okooo-demo-bar {
            height: 8px;
            border-radius: 6px;
            background: var(--okooo-border);
            overflow: hidden;
            margin-top: 8px;
        }

        .okooo-demo-bar-fill {
            height: 100%;
            border-radius: 6px;
            background: var(--okooo-accent);
            transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ========== 指标看板 Section ========== */
        .okooo-metrics-section {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            position: relative;
            overflow: hidden;
        }

        .okooo-metrics-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 137, 58, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .okooo-metrics-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 137, 58, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .okooo-metrics-section .container {
            position: relative;
            z-index: 2;
        }

        .okooo-metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-metrics-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }

        .okooo-metric-card {
            background: var(--okooo-bg-dark-soft);
            border: 1px solid var(--okooo-border-dark);
            border-radius: var(--okooo-radius);
            padding: 28px 22px;
            text-align: center;
            transition: var(--okooo-transition);
            cursor: default;
        }

        .okooo-metric-card:hover {
            background: #18212e;
            border-color: rgba(232, 137, 58, 0.4);
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
        }

        .okooo-metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(232, 137, 58, 0.15);
            color: var(--okooo-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 16px;
        }

        .okooo-metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .okooo-metric-label {
            font-size: 0.88rem;
            color: var(--okooo-text-light-muted);
            font-weight: 600;
        }

        .okooo-metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.76rem;
            font-weight: 700;
            color: #10b981;
            margin-top: 10px;
        }

        /* ========== 服务矩阵 Section ========== */
        .okooo-services-section {
            background: var(--okooo-bg);
        }

        .okooo-services-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .okooo-services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (min-width: 1024px) {
            .okooo-services-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .okooo-service-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-lg);
            padding: 32px 26px;
            transition: var(--okooo-transition);
            position: relative;
            overflow: hidden;
        }

        .okooo-service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--okooo-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .okooo-service-card:hover::after {
            transform: scaleX(1);
        }

        .okooo-service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--okooo-shadow-lg);
            border-color: rgba(232, 137, 58, 0.3);
        }

        .okooo-service-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            transition: var(--okooo-transition);
        }

        .okooo-service-card:hover .okooo-service-icon {
            background: var(--okooo-accent);
            color: #fff;
            transform: scale(1.06);
        }

        .okooo-service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            color: var(--okooo-primary);
        }

        .okooo-service-card p {
            font-size: 0.92rem;
            color: var(--okooo-text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .okooo-service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .okooo-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 600;
            background: var(--okooo-bg-alt);
            color: var(--okooo-text-muted);
            transition: var(--okooo-transition);
            cursor: default;
        }

        .okooo-tag:hover {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        /* ========== 深度数据能力 Section ========== */
        .okooo-data-capability {
            background: var(--okooo-bg-alt);
            border-top: 1px solid var(--okooo-border);
            border-bottom: 1px solid var(--okooo-border);
        }

        .okooo-capability-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-capability-grid {
                grid-template-columns: 0.9fr 1.1fr;
                gap: 60px;
            }
        }

        .okooo-capability-image {
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow-lg);
            position: relative;
            cursor: pointer;
        }

        .okooo-capability-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            aspect-ratio: 4/3;
        }

        .okooo-capability-image:hover img {
            transform: scale(1.04);
        }

        .okooo-capability-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 17, 23, 0.4) 0%, transparent 50%);
            pointer-events: none;
        }

        .okooo-capability-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }

        .okooo-capability-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--okooo-border);
            transition: var(--okooo-transition);
            cursor: default;
        }

        .okooo-capability-list li:last-child {
            border-bottom: none;
        }

        .okooo-capability-list li:hover {
            padding-left: 8px;
        }

        .okooo-capability-list .okooo-check-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.8rem;
        }

        .okooo-capability-list h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--okooo-primary);
        }

        .okooo-capability-list p {
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== 结果对比 Section ========== */
        .okooo-comparison-section {
            background: var(--okooo-bg);
        }

        .okooo-comparison-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow);
            transition: var(--okooo-transition);
        }

        .okooo-comparison-card:hover {
            box-shadow: var(--okooo-shadow-lg);
            transform: translateY(-4px);
        }

        .okooo-comparison-table-wrap {
            overflow-x: auto;
            padding: 0;
        }

        .okooo-comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
            margin: 0;
        }

        .okooo-comparison-table thead th {
            background: var(--okooo-primary);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 700;
            padding: 16px 18px;
            text-align: left;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .okooo-comparison-table tbody td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--okooo-border);
            font-size: 0.88rem;
            color: var(--okooo-text);
            white-space: nowrap;
        }

        .okooo-comparison-table tbody tr {
            transition: var(--okooo-transition);
        }

        .okooo-comparison-table tbody tr:hover {
            background: var(--okooo-accent-soft);
        }

        .okooo-comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .okooo-comparison-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 700;
        }

        .okooo-comparison-badge.badge-green {
            background: #d1fae5;
            color: #065f46;
        }

        .okooo-comparison-badge.badge-orange {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        /* ========== 数据流程 Section ========== */
        .okooo-flow-section {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            position: relative;
            overflow: hidden;
        }

        .okooo-flow-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(232, 137, 58, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .okooo-flow-steps {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            position: relative;
            z-index: 2;
        }

        @media (min-width: 768px) {
            .okooo-flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (min-width: 1024px) {
            .okooo-flow-steps {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .okooo-flow-step {
            background: var(--okooo-bg-dark-soft);
            border: 1px solid var(--okooo-border-dark);
            border-radius: var(--okooo-radius);
            padding: 28px 24px;
            text-align: center;
            transition: var(--okooo-transition);
            cursor: default;
            position: relative;
        }

        .okooo-flow-step:hover {
            background: #18212e;
            border-color: rgba(232, 137, 58, 0.4);
            transform: translateY(-5px);
        }

        .okooo-flow-step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--okooo-accent);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 14px;
        }

        .okooo-flow-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .okooo-flow-step p {
            font-size: 0.84rem;
            color: var(--okooo-text-light-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== 适用场景 Section ========== */
        .okooo-scenes-section {
            background: var(--okooo-bg-alt);
            border-top: 1px solid var(--okooo-border);
            border-bottom: 1px solid var(--okooo-border);
        }

        .okooo-scenes-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }

        @media (min-width: 768px) {
            .okooo-scenes-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 22px;
            }
        }

        .okooo-scene-card {
            background: #fff;
            border-radius: var(--okooo-radius);
            border: 1px solid var(--okooo-border);
            padding: 26px 22px;
            text-align: center;
            transition: var(--okooo-transition);
            cursor: default;
        }

        .okooo-scene-card:hover {
            border-color: rgba(232, 137, 58, 0.35);
            box-shadow: var(--okooo-shadow);
            transform: translateY(-4px);
        }

        .okooo-scene-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--okooo-bg-alt);
            color: var(--okooo-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 14px;
            transition: var(--okooo-transition);
        }

        .okooo-scene-card:hover .okooo-scene-icon {
            background: var(--okooo-accent-soft);
        }

        .okooo-scene-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--okooo-primary);
        }

        .okooo-scene-card p {
            font-size: 0.86rem;
            color: var(--okooo-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== FAQ Section ========== */
        .okooo-faq-section {
            background: var(--okooo-bg);
        }

        .okooo-accordion .accordion-item {
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--okooo-transition);
            box-shadow: var(--okooo-shadow-sm);
        }

        .okooo-accordion .accordion-item:hover {
            box-shadow: var(--okooo-shadow);
        }

        .okooo-accordion .accordion-button {
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--okooo-primary);
            background: #fff;
            padding: 18px 22px;
            transition: var(--okooo-transition);
            letter-spacing: -0.01em;
        }

        .okooo-accordion .accordion-button:not(.collapsed) {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            box-shadow: none;
        }

        .okooo-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 3px solid rgba(232, 137, 58, 0.35);
            outline-offset: -3px;
        }

        .okooo-accordion .accordion-button::after {
            opacity: 0.6;
        }

        .okooo-accordion .accordion-body {
            font-size: 0.9rem;
            color: var(--okooo-text-muted);
            line-height: 1.8;
            padding: 18px 22px 22px;
            background: #fff;
        }

        /* ========== CTA 转化表单 Section ========== */
        .okooo-cta-section {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .okooo-cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(232, 137, 58, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .okooo-cta-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            position: relative;
            z-index: 2;
        }

        @media (min-width: 992px) {
            .okooo-cta-grid {
                grid-template-columns: 1fr 0.8fr;
                gap: 56px;
                align-items: center;
            }
        }

        .okooo-cta-info h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            color: #fff;
        }

        .okooo-cta-info p {
            font-size: 1rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.8;
            max-width: 480px;
        }

        .okooo-cta-form-wrapper {
            background: var(--okooo-bg-dark-soft);
            border: 1px solid var(--okooo-border-dark);
            border-radius: var(--okooo-radius-lg);
            padding: 32px 28px;
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-cta-form-wrapper h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }

        .okooo-cta-form-wrapper .form-text-custom {
            font-size: 0.82rem;
            color: var(--okooo-text-light-muted);
            margin-bottom: 20px;
        }

        .okooo-form-group {
            margin-bottom: 16px;
        }

        .okooo-form-label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--okooo-text-light-muted);
            margin-bottom: 6px;
        }

        .okooo-form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1.5px solid var(--okooo-border-dark);
            background: var(--okooo-bg-dark);
            color: #fff;
            font-size: 0.92rem;
            transition: var(--okooo-transition);
        }

        .okooo-form-control::placeholder {
            color: #5b626c;
        }

        .okooo-form-control:focus {
            border-color: var(--okooo-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(232, 137, 58, 0.25);
        }

        .okooo-form-btn {
            width: 100%;
            padding: 13px 24px;
            border-radius: 10px;
            border: none;
            background: var(--okooo-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: var(--okooo-transition);
        }

        .okooo-form-btn:hover {
            background: var(--okooo-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--okooo-shadow-lg);
        }

        /* ========== 品牌介绍 Section ========== */
        .okooo-brand-section {
            background: var(--okooo-bg-alt);
            border-top: 1px solid var(--okooo-border);
        }

        .okooo-brand-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-lg);
            padding: 36px 32px;
            box-shadow: var(--okooo-shadow);
            transition: var(--okooo-transition);
        }

        .okooo-brand-card:hover {
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-brand-card h2 {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 14px;
        }

        .okooo-brand-card p {
            font-size: 0.98rem;
            color: var(--okooo-text-muted);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        /* ========== FOOTER ========== */
        .okooo-footer {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .okooo-footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--okooo-border-dark);
            margin-bottom: 28px;
        }

        @media (min-width: 768px) {
            .okooo-footer-grid {
                grid-template-columns: 1.3fr 1fr 1fr 1fr;
                gap: 30px;
            }
        }

        .okooo-footer-brand {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 12px;
        }

        .okooo-footer-brand span {
            color: var(--okooo-accent);
        }

        .okooo-footer-desc {
            font-size: 0.86rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 280px;
        }

        .okooo-footer h5 {
            font-size: 0.88rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .okooo-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .okooo-footer-links li {
            margin-bottom: 8px;
        }

        .okooo-footer-links a {
            font-size: 0.86rem;
            color: var(--okooo-text-light-muted);
            transition: var(--okooo-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .okooo-footer-links a:hover {
            color: var(--okooo-accent);
            transform: translateX(4px);
        }

        .okooo-footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--okooo-text-light-muted);
        }

        @media (min-width: 768px) {
            .okooo-footer-bottom {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: space-between;
                align-items: center;
                gap: 12px;
            }
        }

        .okooo-footer-bottom a {
            color: var(--okooo-text-light-muted);
            transition: var(--okooo-transition);
        }

        .okooo-footer-bottom a:hover {
            color: var(--okooo-accent);
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 767px) {
            .okooo-section {
                padding: 52px 0;
            }
            .okooo-section-sm {
                padding: 36px 0;
            }
            .okooo-inner-hero {
                padding: 52px 0 70px;
            }
            .okooo-inner-hero h1 {
                font-size: 2rem;
            }
            .okooo-section-title {
                font-size: 1.8rem;
            }
            .okooo-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .okooo-metric-value {
                font-size: 1.6rem;
            }
            .okooo-flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .okooo-cta-section {
                padding: 56px 0;
            }
            .okooo-cta-info h2 {
                font-size: 1.7rem;
            }
            .okooo-footer {
                padding: 40px 0 24px;
            }
        }

        @media (max-width: 520px) {
            .okooo-section {
                padding: 40px 0;
            }
            .okooo-inner-hero {
                padding: 40px 0 56px;
            }
            .okooo-inner-hero h1 {
                font-size: 1.7rem;
            }
            .okooo-section-title {
                font-size: 1.5rem;
            }
            .okooo-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .okooo-metric-card {
                padding: 18px 14px;
            }
            .okooo-metric-value {
                font-size: 1.35rem;
            }
            .okooo-metric-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .okooo-flow-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .okooo-hero-demo-stat-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .okooo-btn {
                padding: 11px 20px;
                font-size: 0.85rem;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .okooo-brand-card {
                padding: 26px 20px;
            }
        }

/* roulang page: category5 */
:root {
            --okooo-primary: #0d1117;
            --okooo-primary-soft: #161d27;
            --okooo-secondary: #0d1117;
            --okooo-accent: #e8893a;
            --okooo-accent-hover: #d6742a;
            --okooo-accent-soft: #fdf0e5;
            --okooo-bg: #ffffff;
            --okooo-bg-alt: #f6f3ee;
            --okooo-bg-dark: #0d1117;
            --okooo-bg-dark-soft: #111820;
            --okooo-text: #1a1d24;
            --okooo-text-muted: #6b7280;
            --okooo-text-light: #e8e6e1;
            --okooo-text-light-muted: #a8a29a;
            --okooo-border: #e5e0d8;
            --okooo-border-dark: #2a3038;
            --okooo-radius-sm: 8px;
            --okooo-radius: 14px;
            --okooo-radius-lg: 20px;
            --okooo-shadow-sm: 0 1px 4px rgba(13, 17, 23, 0.06);
            --okooo-shadow: 0 8px 28px rgba(13, 17, 23, 0.08);
            --okooo-shadow-lg: 0 20px 50px rgba(13, 17, 23, 0.15);
            --okooo-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --okooo-transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--okooo-font);
            background-color: var(--okooo-bg);
            color: var(--okooo-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--okooo-transition);
        }

        a:hover {
            color: var(--okooo-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 3px solid rgba(232, 137, 58, 0.35);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        @media (min-width: 1400px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
                max-width: 1280px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .okooo-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--okooo-border);
            padding: 0;
        }

        .okooo-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .okooo-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--okooo-primary) !important;
            white-space: nowrap;
        }

        .okooo-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--okooo-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .okooo-logo span {
            color: var(--okooo-accent);
        }

        .okooo-nav-desktop {
            display: none;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }

        @media (min-width: 992px) {
            .okooo-nav-desktop {
                display: flex;
            }
        }

        .okooo-nav-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
        }

        .okooo-nav-desktop a:hover {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--okooo-accent);
            border-radius: 2px;
        }

        .okooo-header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .okooo-header-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            background: var(--okooo-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--okooo-transition);
        }

        .okooo-header-btn:hover {
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border);
            background: #fff;
            color: var(--okooo-text);
            cursor: pointer;
            transition: var(--okooo-transition);
        }

        .okooo-mobile-toggle:hover {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        @media (min-width: 992px) {
            .okooo-mobile-toggle {
                display: none;
            }
        }

        .okooo-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 12px 20px 16px;
            background: #fff;
            border-bottom: 1px solid var(--okooo-border);
            max-height: 70vh;
            overflow-y: auto;
        }

        .okooo-mobile-menu.open {
            display: flex;
        }

        @media (min-width: 992px) {
            .okooo-mobile-menu {
                display: none !important;
            }
        }

        .okooo-mobile-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            transition: var(--okooo-transition);
        }

        .okooo-mobile-menu a:hover,
        .okooo-mobile-menu a.active {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        /* ========== MOBILE BOTTOM NAV ========== */
        .okooo-bottom-nav {
            display: flex;
            align-items: center;
            justify-content: space-around;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--okooo-border);
            padding: 8px 0 env(safe-area-inset-bottom, 8px);
            box-shadow: 0 -2px 12px rgba(13, 17, 23, 0.08);
        }

        @media (min-width: 992px) {
            .okooo-bottom-nav {
                display: none;
            }
        }

        .okooo-bottom-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 0.68rem;
            font-weight: 600;
            color: var(--okooo-text-muted);
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--okooo-transition);
            min-width: 52px;
            text-align: center;
        }

        .okooo-bottom-nav a i {
            font-size: 1.2rem;
        }

        .okooo-bottom-nav a:hover,
        .okooo-bottom-nav a.active {
            color: var(--okooo-accent);
        }

        .okooo-bottom-nav a.active {
            background: var(--okooo-accent-soft);
        }

        /* ========== HERO ========== */
        .okooo-hero {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--okooo-border-dark);
        }

        .okooo-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 137, 58, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .okooo-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 450px;
            height: 450px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(13, 17, 23, 0.6) 0%, transparent 75%);
            pointer-events: none;
        }

        .okooo-hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            position: relative;
            z-index: 2;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-hero-grid {
                grid-template-columns: 1.2fr 0.8fr;
                gap: 56px;
            }
        }

        .okooo-hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(232, 137, 58, 0.15);
            color: var(--okooo-accent);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(232, 137, 58, 0.3);
        }

        .okooo-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: #fff;
        }

        @media (min-width: 768px) {
            .okooo-hero h1 {
                font-size: 3rem;
            }
        }

        .okooo-hero-sub {
            font-size: 1.1rem;
            color: var(--okooo-text-light-muted);
            max-width: 540px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .okooo-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .okooo-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 700;
            background: var(--okooo-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--okooo-transition);
            white-space: nowrap;
        }

        .okooo-btn-primary:hover {
            background: var(--okooo-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 137, 58, 0.35);
        }

        .okooo-btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 700;
            background: transparent;
            color: var(--okooo-text-light);
            border: 1px solid var(--okooo-border-dark);
            cursor: pointer;
            transition: var(--okooo-transition);
            white-space: nowrap;
        }

        .okooo-btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            border-color: var(--okooo-accent);
        }

        .okooo-hero-panel {
            background: var(--okooo-bg-dark-soft);
            border: 1px solid var(--okooo-border-dark);
            border-radius: var(--okooo-radius-lg);
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .okooo-countdown-ring {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .okooo-ring-wrapper {
            position: relative;
            width: 96px;
            height: 96px;
            flex-shrink: 0;
        }

        .okooo-ring-bg {
            fill: none;
            stroke: #2a3038;
            stroke-width: 8;
        }

        .okooo-ring-fg {
            fill: none;
            stroke: var(--okooo-accent);
            stroke-width: 8;
            stroke-linecap: round;
            stroke-dasharray: 251.2;
            stroke-dashoffset: 62.8;
            transform: rotate(-90deg);
            transform-origin: center;
            transition: stroke-dashoffset 1.2s ease;
            animation: ringPulse 2.4s ease-in-out infinite;
        }

        @keyframes ringPulse {
            0%,
            100% {
                stroke-dashoffset: 62.8;
            }
            50% {
                stroke-dashoffset: 50.24;
            }
        }

        .okooo-ring-label {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 0.72rem;
            color: var(--okooo-text-light-muted);
        }

        .okooo-ring-label strong {
            font-size: 1.3rem;
            color: #fff;
            font-weight: 800;
        }

        .okooo-countdown-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .okooo-countdown-info p {
            font-size: 0.88rem;
            color: var(--okooo-text-light-muted);
            margin-bottom: 0;
        }

        .okooo-carousel-dots {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .okooo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #3a4048;
            cursor: pointer;
            transition: var(--okooo-transition);
            border: none;
            padding: 0;
        }

        .okooo-dot.active {
            background: var(--okooo-accent);
            width: 28px;
            border-radius: 999px;
        }

        .okooo-hero-carousel-item {
            display: none;
            font-size: 0.92rem;
            color: var(--okooo-text-light);
            padding: 8px 0;
        }

        .okooo-hero-carousel-item.active {
            display: block;
            animation: fadeInUp 0.4s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== SECTION COMMON ========== */
        .okooo-section {
            padding: 64px 0;
        }

        @media (min-width: 768px) {
            .okooo-section {
                padding: 80px 0;
            }
        }

        .okooo-section-alt {
            background: var(--okooo-bg-alt);
        }

        .okooo-section-dark {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
        }

        .okooo-section-head {
            margin-bottom: 40px;
        }

        .okooo-section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }

        .okooo-section-title {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .okooo-section-title {
                font-size: 2.2rem;
            }
        }

        .okooo-section-desc {
            font-size: 1.05rem;
            color: var(--okooo-text-muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .okooo-section-dark .okooo-section-title {
            color: #fff;
        }

        .okooo-section-dark .okooo-section-desc {
            color: var(--okooo-text-light-muted);
        }

        /* ========== STATS BOARD ========== */
        .okooo-stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
        }

        .okooo-stat-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 24px 20px;
            text-align: center;
            transition: var(--okooo-transition);
            box-shadow: var(--okooo-shadow-sm);
        }

        .okooo-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--okooo-shadow);
            border-color: var(--okooo-accent);
        }

        .okooo-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--okooo-accent);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .okooo-stat-label {
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            font-weight: 600;
        }

        /* ========== SERVICE MATRIX ========== */
        .okooo-services-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .okooo-services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 992px) {
            .okooo-services-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .okooo-service-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 28px 24px;
            transition: var(--okooo-transition);
            box-shadow: var(--okooo-shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .okooo-service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--okooo-shadow-lg);
            border-color: var(--okooo-accent);
        }

        .okooo-service-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--okooo-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--okooo-accent);
            margin-bottom: 4px;
        }

        .okooo-service-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--okooo-text);
        }

        .okooo-service-card p {
            font-size: 0.92rem;
            color: var(--okooo-text-muted);
            margin-bottom: 0;
            flex-grow: 1;
        }

        .okooo-service-link {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--okooo-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .okooo-service-link:hover {
            color: var(--okooo-accent-hover);
            gap: 10px;
        }

        /* ========== COMPARE SECTION ========== */
        .okooo-compare-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
        }

        @media (min-width: 992px) {
            .okooo-compare-wrapper {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
                align-items: stretch;
            }
        }

        .okooo-compare-card {
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            border: 1px solid var(--okooo-border);
            box-shadow: var(--okooo-shadow);
            background: #fff;
            display: flex;
            flex-direction: column;
        }

        .okooo-compare-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .okooo-compare-body {
            padding: 28px 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .okooo-compare-body h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .okooo-compare-body p {
            font-size: 0.95rem;
            color: var(--okooo-text-muted);
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .okooo-compare-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 16px;
        }

        .okooo-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 700;
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            border: 1px solid rgba(232, 137, 58, 0.25);
        }

        /* ========== CONTENT BLOCK ========== */
        .okooo-content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-content-grid {
                grid-template-columns: 1fr 1fr;
                gap: 48px;
            }
        }

        .okooo-content-grid.reverse {
            direction: rtl;
        }

        .okooo-content-grid.reverse>* {
            direction: ltr;
        }

        .okooo-content-img {
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow-lg);
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .okooo-content-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .okooo-content-text p {
            color: var(--okooo-text-muted);
            font-size: 1rem;
            line-height: 1.85;
            margin-bottom: 16px;
        }

        /* ========== FAQ ========== */
        .okooo-faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .okooo-faq-item {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--okooo-transition);
            box-shadow: var(--okooo-shadow-sm);
        }

        .okooo-faq-item:hover {
            box-shadow: var(--okooo-shadow);
        }

        .okooo-faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            color: var(--okooo-text);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

        .okooo-faq-question:hover {
            color: var(--okooo-accent);
        }

        .okooo-faq-question i {
            transition: var(--okooo-transition);
            color: var(--okooo-text-muted);
            flex-shrink: 0;
        }

        .okooo-faq-item.open .okooo-faq-question i {
            transform: rotate(180deg);
            color: var(--okooo-accent);
        }

        .okooo-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .okooo-faq-item.open .okooo-faq-answer {
            max-height: 600px;
        }

        .okooo-faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--okooo-text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 1px solid var(--okooo-border);
            padding-top: 16px;
            margin: 0 22px 20px;
            padding-left: 0;
            padding-right: 0;
        }

        /* ========== CTA / FORM ========== */
        .okooo-cta-section {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .okooo-cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -8%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 137, 58, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .okooo-cta-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            position: relative;
            z-index: 2;
        }

        @media (min-width: 992px) {
            .okooo-cta-grid {
                grid-template-columns: 1fr 1fr;
                gap: 48px;
                align-items: center;
            }
        }

        .okooo-cta-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .okooo-cta-text p {
            color: var(--okooo-text-light-muted);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .okooo-form-card {
            background: var(--okooo-bg-dark-soft);
            border: 1px solid var(--okooo-border-dark);
            border-radius: var(--okooo-radius-lg);
            padding: 28px;
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-form-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }

        .okooo-form-label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--okooo-text-light);
            margin-bottom: 6px;
        }

        .okooo-form-input {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border-dark);
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            font-size: 0.95rem;
            transition: var(--okooo-transition);
            margin-bottom: 14px;
        }

        .okooo-form-input::placeholder {
            color: var(--okooo-text-light-muted);
            opacity: 0.7;
        }

        .okooo-form-input:focus {
            border-color: var(--okooo-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(232, 137, 58, 0.25);
        }

        .okooo-form-select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border-dark);
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            font-size: 0.95rem;
            margin-bottom: 14px;
            transition: var(--okooo-transition);
            appearance: auto;
        }

        .okooo-form-select:focus {
            border-color: var(--okooo-accent);
            outline: none;
        }

        .okooo-form-btn {
            width: 100%;
            padding: 14px 24px;
            border-radius: 12px;
            background: var(--okooo-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--okooo-transition);
        }

        .okooo-form-btn:hover {
            background: var(--okooo-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 137, 58, 0.35);
        }

        /* ========== FOOTER ========== */
        .okooo-footer {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 56px 0 28px;
            border-top: 1px solid var(--okooo-border-dark);
        }

        .okooo-footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 36px;
        }

        @media (min-width: 768px) {
            .okooo-footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 32px;
            }
        }

        .okooo-footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .okooo-footer-brand span {
            color: var(--okooo-accent);
        }

        .okooo-footer-desc {
            font-size: 0.92rem;
            color: var(--okooo-text-light-muted);
            max-width: 320px;
            line-height: 1.7;
        }

        .okooo-footer h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .okooo-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .okooo-footer-links a {
            font-size: 0.88rem;
            color: var(--okooo-text-light-muted);
            transition: var(--okooo-transition);
        }

        .okooo-footer-links a:hover {
            color: var(--okooo-accent);
        }

        .okooo-footer-bottom {
            border-top: 1px solid var(--okooo-border-dark);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.82rem;
            color: var(--okooo-text-light-muted);
            justify-content: space-between;
        }

        .okooo-footer-bottom a {
            color: var(--okooo-text-light-muted);
        }

        .okooo-footer-bottom a:hover {
            color: var(--okooo-accent);
        }

        /* ========== UTILITIES ========== */
        .okooo-bg-alt {
            background: var(--okooo-bg-alt);
        }

        .okooo-text-accent {
            color: var(--okooo-accent);
        }

        .okooo-mb-0 {
            margin-bottom: 0 !important;
        }

        .okooo-mb-2 {
            margin-bottom: 8px !important;
        }

        .okooo-mb-3 {
            margin-bottom: 16px !important;
        }

        .okooo-mb-4 {
            margin-bottom: 24px !important;
        }

        .okooo-mt-2 {
            margin-top: 8px !important;
        }

        .okooo-mt-4 {
            margin-top: 24px !important;
        }

        .okooo-gap-2 {
            gap: 8px !important;
        }

        .okooo-gap-3 {
            gap: 16px !important;
        }

        .okooo-d-flex {
            display: flex;
        }

        .okooo-align-center {
            align-items: center;
        }

        .okooo-justify-between {
            justify-content: space-between;
        }

        .okooo-flex-wrap {
            flex-wrap: wrap;
        }

        @media (max-width: 576px) {
            .okooo-hero h1 {
                font-size: 1.9rem;
            }
            .okooo-section-title {
                font-size: 1.5rem;
            }
            .okooo-stat-number {
                font-size: 1.7rem;
            }
            .okooo-hero {
                padding: 40px 0 40px;
            }
            .okooo-section {
                padding: 44px 0;
            }
            .okooo-cta-section {
                padding: 44px 0;
            }
            .okooo-footer {
                padding: 40px 0 20px;
            }
            .okooo-header-btn span {
                display: none;
            }
            .okooo-header-btn {
                padding: 9px 12px;
            }
        }

/* roulang page: category6 */
:root {
            --okooo-primary: #0d1117;
            --okooo-primary-soft: #161d27;
            --okooo-secondary: #0d1117;
            --okooo-accent: #e8893a;
            --okooo-accent-hover: #d6742a;
            --okooo-accent-soft: #fdf0e5;
            --okooo-bg: #ffffff;
            --okooo-bg-alt: #f6f3ee;
            --okooo-bg-dark: #0d1117;
            --okooo-bg-dark-soft: #111820;
            --okooo-text: #1a1d24;
            --okooo-text-muted: #6b7280;
            --okooo-text-light: #e8e6e1;
            --okooo-text-light-muted: #a8a29a;
            --okooo-border: #e5e0d8;
            --okooo-border-dark: #2a3038;
            --okooo-radius-sm: 8px;
            --okooo-radius: 14px;
            --okooo-radius-lg: 20px;
            --okooo-shadow-sm: 0 1px 4px rgba(13,17,23,0.06);
            --okooo-shadow: 0 8px 28px rgba(13,17,23,0.08);
            --okooo-shadow-lg: 0 20px 50px rgba(13,17,23,0.15);
            --okooo-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --okooo-transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--okooo-font);
            background-color: var(--okooo-bg);
            color: var(--okooo-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--okooo-transition);
        }

        a:hover {
            color: var(--okooo-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 3px solid rgba(232, 137, 58, 0.35);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 28px;
                padding-right: 28px;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .okooo-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--okooo-border);
            padding: 0;
        }

        .okooo-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .okooo-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--okooo-primary) !important;
            white-space: nowrap;
        }

        .okooo-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--okooo-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .okooo-logo span {
            color: var(--okooo-accent);
        }

        .okooo-nav-desktop {
            display: none;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }

        @media (min-width: 1024px) {
            .okooo-nav-desktop {
                display: flex;
            }
        }

        .okooo-nav-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 12px;
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
        }

        .okooo-nav-desktop a:hover {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--okooo-accent);
            border-radius: 2px;
        }

        .okooo-header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .okooo-header-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: 10px;
            font-size: 0.82rem;
            font-weight: 700;
            background: var(--okooo-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--okooo-transition);
        }

        .okooo-header-btn:hover {
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border);
            background: #fff;
            color: var(--okooo-text);
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--okooo-transition);
        }

        .okooo-mobile-toggle:hover {
            background: var(--okooo-accent-soft);
            border-color: var(--okooo-accent);
        }

        @media (min-width: 1024px) {
            .okooo-mobile-toggle {
                display: none;
            }
        }

        .okooo-mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--okooo-border);
            padding: 12px 20px 20px;
            box-shadow: var(--okooo-shadow);
        }

        .okooo-mobile-menu.show {
            display: block;
        }

        .okooo-mobile-menu a {
            display: flex;
            align-items: center;
            padding: 10px 12px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--okooo-text);
            transition: var(--okooo-transition);
        }

        .okooo-mobile-menu a:hover {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        .okooo-mobile-menu a.active {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        /* ========== BOTTOM TABS (mobile) ========== */
        .okooo-bottom-tabs {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1045;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid var(--okooo-border);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
        }

        .okooo-bottom-tabs a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            padding: 6px 4px;
            font-size: 0.68rem;
            font-weight: 600;
            color: var(--okooo-text-muted);
            border-radius: 10px;
            transition: var(--okooo-transition);
            text-align: center;
        }

        .okooo-bottom-tabs a i {
            font-size: 1.15rem;
        }

        .okooo-bottom-tabs a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-bottom-tabs a:hover {
            color: var(--okooo-accent);
        }

        @media (min-width: 1024px) {
            .okooo-bottom-tabs {
                display: none;
            }
        }

        @media (max-width: 1023px) {
            body {
                padding-bottom: 62px;
            }
        }

        /* ========== SHARED SECTION STYLES ========== */
        .okooo-section {
            padding: 56px 0;
        }

        .okooo-section-alt {
            background: var(--okooo-bg-alt);
        }

        .okooo-section-dark {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
        }

        .okooo-section-dark .okooo-section-title {
            color: #fff;
        }

        .okooo-section-dark .okooo-section-subtitle {
            color: var(--okooo-text-light-muted);
        }

        .okooo-section-sm {
            padding: 40px 0;
        }

        .okooo-section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }

        .okooo-section-title {
            font-size: 1.55rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--okooo-text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .okooo-section-title {
                font-size: 2rem;
            }
        }

        .okooo-section-subtitle {
            font-size: 0.95rem;
            color: var(--okooo-text-muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .okooo-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 0.88rem;
            border: none;
            cursor: pointer;
            transition: var(--okooo-transition);
            background: var(--okooo-primary);
            color: #fff;
            text-align: center;
            justify-content: center;
        }

        .okooo-btn:hover {
            background: var(--okooo-accent);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--okooo-shadow);
        }

        .okooo-btn-accent {
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-btn-accent:hover {
            background: var(--okooo-accent-hover);
            color: #fff;
        }

        .okooo-btn-outline {
            background: transparent;
            color: var(--okooo-text);
            border: 1.5px solid var(--okooo-border);
        }

        .okooo-btn-outline:hover {
            border-color: var(--okooo-accent);
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
            box-shadow: none;
        }

        .okooo-btn-light {
            background: #fff;
            color: var(--okooo-primary);
        }

        .okooo-btn-light:hover {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            box-shadow: none;
        }

        /* ========== PAGE HERO ========== */
        .okooo-page-hero {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 60px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .okooo-page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 10%, rgba(232,137,58,0.15) 0%, transparent 55%),
                        radial-gradient(ellipse at 15% 85%, rgba(232,137,58,0.08) 0%, transparent 40%);
            pointer-events: none;
        }

        .okooo-page-hero .container {
            position: relative;
            z-index: 2;
        }

        .okooo-page-hero-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-page-hero-inner {
                grid-template-columns: 1.15fr 0.85fr;
                gap: 48px;
            }
        }

        .okooo-breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--okooo-text-light-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .okooo-breadcrumb-nav a {
            color: var(--okooo-text-light-muted);
        }

        .okooo-breadcrumb-nav a:hover {
            color: var(--okooo-accent);
        }

        .okooo-breadcrumb-nav .separator {
            opacity: 0.5;
        }

        .okooo-breadcrumb-nav .current {
            color: var(--okooo-accent);
        }

        .okooo-page-hero h1 {
            font-size: 1.85rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.25;
        }

        @media (min-width: 768px) {
            .okooo-page-hero h1 {
                font-size: 2.5rem;
            }
        }

        .okooo-page-hero-desc {
            color: var(--okooo-text-light-muted);
            font-size: 0.95rem;
            line-height: 1.85;
            max-width: 600px;
            margin-bottom: 20px;
        }

        .okooo-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .okooo-hero-visual {
            background: var(--okooo-bg-dark-soft);
            border: 1px solid var(--okooo-border-dark);
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-hero-visual img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            filter: brightness(0.9);
        }

        @media (min-width: 768px) {
            .okooo-hero-visual img {
                height: 300px;
            }
        }

        .okooo-hero-visual-overlay {
            padding: 16px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            background: rgba(13,17,23,0.7);
            backdrop-filter: blur(8px);
        }

        .okooo-hero-stat {
            font-size: 0.78rem;
            color: var(--okooo-text-light-muted);
        }

        .okooo-hero-stat strong {
            display: block;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
        }

        /* ========== METRICS BOARD ========== */
        .okooo-metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        @media (min-width: 768px) {
            .okooo-metrics-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 18px;
            }
        }

        .okooo-metric-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 20px;
            transition: var(--okooo-transition);
            position: relative;
            overflow: hidden;
        }

        .okooo-metric-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--okooo-accent), #f4c28a);
            opacity: 0;
            transition: var(--okooo-transition);
        }

        .okooo-metric-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--okooo-shadow);
        }

        .okooo-metric-card:hover::after {
            opacity: 1;
        }

        .okooo-metric-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--okooo-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--okooo-accent);
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .okooo-metric-value {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--okooo-text);
            margin-bottom: 4px;
        }

        .okooo-metric-label {
            font-size: 0.8rem;
            color: var(--okooo-text-muted);
            line-height: 1.5;
        }

        /* ========== SERVICE MATRIX ========== */
        .okooo-matrix-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 992px) {
            .okooo-matrix-grid {
                grid-template-columns: 1.4fr 0.6fr;
                grid-template-rows: auto auto;
            }
        }

        .okooo-matrix-main {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-lg);
            padding: 26px;
            transition: var(--okooo-transition);
            grid-row: span 2;
        }

        .okooo-matrix-main:hover {
            box-shadow: var(--okooo-shadow);
        }

        .okooo-matrix-main h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .okooo-matrix-main p {
            color: var(--okooo-text-muted);
            font-size: 0.88rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .okooo-matrix-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
        }

        @media (min-width: 576px) {
            .okooo-matrix-list {
                grid-template-columns: 1fr 1fr;
            }
        }

        .okooo-matrix-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--okooo-text);
            background: var(--okooo-bg-alt);
            padding: 12px 14px;
            border-radius: 10px;
            transition: var(--okooo-transition);
        }

        .okooo-matrix-list li:hover {
            background: var(--okooo-accent-soft);
        }

        .okooo-matrix-list li i {
            color: var(--okooo-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .okooo-matrix-mini {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            border-radius: var(--okooo-radius-lg);
            padding: 22px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--okooo-transition);
        }

        .okooo-matrix-mini:hover {
            transform: translateY(-3px);
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-matrix-mini h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .okooo-matrix-mini p {
            font-size: 0.78rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .okooo-matrix-mini .okooo-btn {
            align-self: flex-start;
            padding: 8px 16px;
            font-size: 0.75rem;
            border-radius: 8px;
        }

        /* ========== PROCESS TIMELINE ========== */
        .okooo-process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
            counter-reset: process-counter;
        }

        @media (min-width: 768px) {
            .okooo-process-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 992px) {
            .okooo-process-grid {
                grid-template-columns: repeat(5, 1fr);
            }
        }

        .okooo-process-step {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 20px 18px;
            position: relative;
            transition: var(--okooo-transition);
        }

        .okooo-process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--okooo-shadow);
            border-color: var(--okooo-accent);
        }

        .okooo-process-step::before {
            counter-increment: process-counter;
            content: counter(process-counter, decimal-leading-zero);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--okooo-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            margin-bottom: 12px;
        }

        .okooo-process-step h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .okooo-process-step p {
            font-size: 0.78rem;
            color: var(--okooo-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== COMPARISON ========== */
        .okooo-compare-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-compare-grid {
                grid-template-columns: 1fr 1fr;
                gap: 22px;
            }
        }

        .okooo-compare-card {
            border-radius: var(--okooo-radius-lg);
            padding: 26px;
            border: 1px solid var(--okooo-border);
            background: #fff;
        }

        .okooo-compare-card.before {
            background: var(--okooo-bg-alt);
            border-style: dashed;
        }

        .okooo-compare-card.after {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            border-color: var(--okooo-bg-dark);
        }

        .okooo-compare-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .okooo-compare-card.before h3 {
            color: var(--okooo-text-muted);
        }

        .okooo-compare-card.after h3 {
            color: #fff;
        }

        .okooo-compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .okooo-compare-list li {
            padding: 9px 0;
            border-bottom: 1px solid rgba(229,224,216,0.4);
            font-size: 0.84rem;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .okooo-compare-card.after .okooo-compare-list li {
            border-bottom-color: var(--okooo-border-dark);
        }

        .okooo-compare-list li:last-child {
            border-bottom: none;
        }

        .okooo-compare-list li i {
            color: var(--okooo-accent);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ========== BRAND INTRO ========== */
        .okooo-brand-intro {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-brand-intro {
                grid-template-columns: 0.9fr 1.1fr;
                gap: 40px;
            }
        }

        .okooo-brand-img {
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-brand-img img {
            height: 260px;
            width: 100%;
            object-fit: cover;
        }

        @media (min-width: 768px) {
            .okooo-brand-img img {
                height: 320px;
            }
        }

        .okooo-brand-intro-text h3 {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }

        .okooo-brand-intro-text p {
            color: var(--okooo-text-muted);
            font-size: 0.88rem;
            line-height: 1.85;
            margin-bottom: 12px;
        }

        /* ========== INSIGHT CARDS ========== */
        .okooo-insight-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-insight-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .okooo-insight-card {
            background: #fff;
            border-radius: var(--okooo-radius);
            overflow: hidden;
            border: 1px solid var(--okooo-border);
            transition: var(--okooo-transition);
            display: flex;
            flex-direction: column;
        }

        .okooo-insight-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-insight-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .okooo-insight-body {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .okooo-insight-tag {
            display: inline-block;
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .okooo-insight-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .okooo-insight-card p {
            font-size: 0.8rem;
            color: var(--okooo-text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .okooo-insight-card .okooo-btn {
            align-self: flex-start;
            padding: 8px 16px;
            font-size: 0.75rem;
            border-radius: 8px;
        }

        /* ========== FAQ ========== */
        .okooo-faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .okooo-faq-item {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--okooo-transition);
        }

        .okooo-faq-item:hover {
            box-shadow: var(--okooo-shadow-sm);
        }

        .okooo-faq-question {
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--okooo-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: var(--okooo-transition);
            gap: 12px;
        }

        .okooo-faq-question:hover {
            color: var(--okooo-accent);
        }

        .okooo-faq-question i {
            color: var(--okooo-accent);
            transition: var(--okooo-transition);
            flex-shrink: 0;
        }

        .okooo-faq-item.open .okooo-faq-question i {
            transform: rotate(180deg);
        }

        .okooo-faq-answer {
            padding: 0 20px 16px;
            font-size: 0.82rem;
            color: var(--okooo-text-muted);
            line-height: 1.75;
            display: none;
        }

        .okooo-faq-item.open .okooo-faq-answer {
            display: block;
        }

        /* ========== CTA FORM ========== */
        .okooo-cta-wrap {
            background: var(--okooo-bg-dark);
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr;
        }

        @media (min-width: 992px) {
            .okooo-cta-wrap {
                grid-template-columns: 1.1fr 0.9fr;
            }
        }

        .okooo-cta-info {
            padding: 32px 28px;
            color: var(--okooo-text-light);
            background: linear-gradient(135deg, var(--okooo-bg-dark) 0%, var(--okooo-bg-dark-soft) 100%);
        }

        .okooo-cta-info h3 {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .okooo-cta-info p {
            color: var(--okooo-text-light-muted);
            font-size: 0.85rem;
            line-height: 1.75;
        }

        .okooo-cta-form-wrap {
            background: #fff;
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .okooo-form-group {
            margin-bottom: 14px;
        }

        .okooo-form-group label {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--okooo-text);
            margin-bottom: 6px;
            display: block;
        }

        .okooo-form-group input {
            width: 100%;
            padding: 11px 14px;
            border: 1.5px solid var(--okooo-border);
            border-radius: 10px;
            font-size: 0.88rem;
            transition: var(--okooo-transition);
            background: #faf9f7;
        }

        .okooo-form-group input:focus {
            border-color: var(--okooo-accent);
            background: #fff;
            outline: none;
            box-shadow: 0 0 0 3px rgba(232,137,58,0.15);
        }

        .okooo-form-note {
            font-size: 0.72rem;
            color: var(--okooo-text-muted);
            margin-top: 8px;
        }

        /* ========== FOOTER ========== */
        .okooo-footer {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 48px 0 28px;
            margin-top: 40px;
        }

        .okooo-footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 30px;
        }

        @media (min-width: 768px) {
            .okooo-footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 30px;
            }
        }

        .okooo-footer-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .okooo-footer-brand span {
            color: var(--okooo-accent);
        }

        .okooo-footer-desc {
            color: var(--okooo-text-light-muted);
            font-size: 0.82rem;
            line-height: 1.75;
            max-width: 360px;
        }

        .okooo-footer h5 {
            color: #fff;
            font-size: 0.82rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .okooo-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .okooo-footer-links li {
            margin-bottom: 8px;
        }

        .okooo-footer-links a {
            color: var(--okooo-text-light-muted);
            font-size: 0.8rem;
            transition: var(--okooo-transition);
        }

        .okooo-footer-links a:hover {
            color: var(--okooo-accent);
        }

        .okooo-footer-bottom {
            border-top: 1px solid var(--okooo-border-dark);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.72rem;
            color: var(--okooo-text-light-muted);
        }

        .okooo-footer-bottom a {
            color: var(--okooo-text-light-muted);
        }

        .okooo-footer-bottom a:hover {
            color: var(--okooo-accent);
        }

        /* ========== MODAL ========== */
        .okooo-modal .modal-content {
            border-radius: var(--okooo-radius-lg);
            border: none;
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-modal .modal-header {
            border-bottom: 1px solid var(--okooo-border);
            padding: 20px 24px;
        }

        .okooo-modal .modal-body {
            padding: 24px;
        }

        .okooo-modal .modal-title {
            font-weight: 700;
            font-size: 1.1rem;
        }

        .okooo-modal .btn-close {
            transition: var(--okooo-transition);
        }

        /* ========== ANIMATION ========== */
        @keyframes okoooFadeUp {
            from {
                opacity: 0;
                transform: translateY(18px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .okooo-fade-up {
            animation: okoooFadeUp 0.6s ease forwards;
        }

/* roulang page: category4 */
:root {
            --okooo-primary: #0d1117;
            --okooo-primary-soft: #161d27;
            --okooo-secondary: #0d1117;
            --okooo-accent: #e8893a;
            --okooo-accent-hover: #d6742a;
            --okooo-accent-soft: #fdf0e5;
            --okooo-bg: #ffffff;
            --okooo-bg-alt: #f6f3ee;
            --okooo-bg-dark: #0d1117;
            --okooo-bg-dark-soft: #111820;
            --okooo-text: #1a1d24;
            --okooo-text-muted: #6b7280;
            --okooo-text-light: #e8e6e1;
            --okooo-text-light-muted: #a8a29a;
            --okooo-border: #e5e0d8;
            --okooo-border-dark: #2a3038;
            --okooo-radius-sm: 8px;
            --okooo-radius: 14px;
            --okooo-radius-lg: 20px;
            --okooo-shadow-sm: 0 1px 4px rgba(13,17,23,0.06);
            --okooo-shadow: 0 8px 28px rgba(13,17,23,0.08);
            --okooo-shadow-lg: 0 20px 50px rgba(13,17,23,0.15);
            --okooo-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --okooo-transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--okooo-font);
            background-color: var(--okooo-bg);
            color: var(--okooo-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--okooo-transition);
        }

        a:hover {
            color: var(--okooo-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 3px solid rgba(232, 137, 58, 0.35);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        @media (min-width: 992px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .okooo-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--okooo-border);
            padding: 0;
        }

        .okooo-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .okooo-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--okooo-primary) !important;
            white-space: nowrap;
        }

        .okooo-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--okooo-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
            transition: var(--okooo-transition);
        }

        .okooo-logo:hover .okooo-logo-icon {
            background: var(--okooo-accent);
        }

        .okooo-logo span {
            color: var(--okooo-accent);
        }

        .okooo-nav-desktop {
            display: none;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }

        @media (min-width: 992px) {
            .okooo-nav-desktop {
                display: flex;
            }
        }

        .okooo-nav-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: var(--okooo-transition);
        }

        .okooo-nav-desktop a:hover {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--okooo-accent);
            border-radius: 2px;
        }

        .okooo-header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .okooo-header-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            background: var(--okooo-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--okooo-transition);
        }

        .okooo-header-btn:hover {
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-mobile-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border);
            background: #fff;
            color: var(--okooo-text);
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--okooo-transition);
        }

        .okooo-mobile-toggle:hover {
            border-color: var(--okooo-accent);
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        @media (min-width: 992px) {
            .okooo-mobile-toggle {
                display: none;
            }
        }

        .okooo-mobile-menu {
            display: none;
            flex-direction: column;
            padding: 12px 20px 20px;
            border-top: 1px solid var(--okooo-border);
            background: #fff;
            max-height: 420px;
            overflow-y: auto;
            box-shadow: 0 12px 24px rgba(13,17,23,0.08);
        }

        .okooo-mobile-menu.open {
            display: flex;
        }

        .okooo-mobile-menu a {
            display: flex;
            align-items: center;
            padding: 12px 14px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            transition: var(--okooo-transition);
        }

        .okooo-mobile-menu a:hover {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        .okooo-mobile-menu a.active {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }

        /* ========== MOBILE BOTTOM TAB ========== */
        .okooo-bottom-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid var(--okooo-border);
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            padding: 6px 4px;
            box-shadow: 0 -4px 16px rgba(13,17,23,0.06);
        }

        .okooo-bottom-tab a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 6px 4px;
            font-size: 0.68rem;
            font-weight: 600;
            color: var(--okooo-text-muted);
            border-radius: 8px;
            transition: var(--okooo-transition);
            text-align: center;
            min-width: 0;
        }

        .okooo-bottom-tab a i {
            font-size: 1.1rem;
        }

        .okooo-bottom-tab a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-bottom-tab a:hover {
            color: var(--okooo-accent);
        }

        @media (min-width: 992px) {
            .okooo-bottom-tab {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .okooo-bottom-tab a {
                font-size: 0.6rem;
            }
            .okooo-bottom-tab a i {
                font-size: 1rem;
            }
        }

        /* ========== HERO ========== */
        .okooo-hero {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--okooo-border-dark);
        }

        .okooo-hero::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -160px;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232,137,58,0.16), transparent 70%);
            pointer-events: none;
        }

        .okooo-hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -100px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232,137,58,0.08), transparent 70%);
            pointer-events: none;
        }

        .okooo-hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 992px) {
            .okooo-hero-grid {
                grid-template-columns: 1.1fr 0.9fr;
                gap: 48px;
                align-items: center;
            }
        }

        .okooo-hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--okooo-text-light-muted);
            margin-bottom: 18px;
        }

        .okooo-hero-breadcrumb a {
            color: var(--okooo-text-light-muted);
            transition: var(--okooo-transition);
        }

        .okooo-hero-breadcrumb a:hover {
            color: var(--okooo-accent);
        }

        .okooo-hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 18px;
        }

        .okooo-hero-title em {
            font-style: normal;
            color: var(--okooo-accent);
        }

        .okooo-hero-desc {
            font-size: 1.05rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 28px;
        }

        .okooo-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .okooo-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--okooo-transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .okooo-btn-primary {
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-btn-primary:hover {
            background: var(--okooo-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--okooo-shadow);
        }

        .okooo-btn-outline-light {
            background: transparent;
            color: var(--okooo-text-light);
            border: 1px solid var(--okooo-border-dark);
        }

        .okooo-btn-outline-light:hover {
            border-color: var(--okooo-accent);
            color: var(--okooo-accent);
            background: rgba(232,137,58,0.08);
        }

        .okooo-hero-panel {
            background: var(--okooo-bg-dark-soft);
            border: 1px solid var(--okooo-border-dark);
            border-radius: var(--okooo-radius-lg);
            padding: 24px;
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-hero-panel-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--okooo-text-light-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }

        .okooo-hero-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .okooo-hero-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 12px 14px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--okooo-radius-sm);
            border: 1px solid rgba(255,255,255,0.06);
            transition: var(--okooo-transition);
        }

        .okooo-hero-list-item:hover {
            background: rgba(232,137,58,0.06);
            border-color: rgba(232,137,58,0.2);
        }

        .okooo-hero-list-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .okooo-hero-list-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(232,137,58,0.15);
            color: var(--okooo-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .okooo-hero-list-name {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--okooo-text-light);
        }

        .okooo-hero-list-value {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--okooo-accent);
            white-space: nowrap;
        }

        /* ========== SECTION COMMON ========== */
        .okooo-section {
            padding: 64px 0;
        }

        .okooo-section-sm {
            padding: 48px 0;
        }

        .okooo-section-alt {
            background: var(--okooo-bg-alt);
        }

        .okooo-section-dark {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
        }

        .okooo-section-header {
            margin-bottom: 40px;
        }

        .okooo-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--okooo-accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 10px;
        }

        .okooo-section-title {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--okooo-text);
            margin-bottom: 12px;
        }

        .okooo-section-desc {
            font-size: 1rem;
            color: var(--okooo-text-muted);
            line-height: 1.75;
            max-width: 640px;
            margin-bottom: 0;
        }

        .okooo-section-dark .okooo-section-title {
            color: #fff;
        }

        .okooo-section-dark .okooo-section-desc {
            color: var(--okooo-text-light-muted);
        }

        /* ========== STAT CARDS ========== */
        .okooo-stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
        }

        .okooo-stat-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 24px 20px;
            box-shadow: var(--okooo-shadow-sm);
            transition: var(--okooo-transition);
            text-align: center;
        }

        .okooo-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--okooo-shadow);
            border-color: rgba(232,137,58,0.3);
        }

        .okooo-stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin: 0 auto 12px;
        }

        .okooo-stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--okooo-text);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .okooo-stat-label {
            font-size: 0.85rem;
            color: var(--okooo-text-muted);
            font-weight: 500;
        }

        /* ========== SERVICE MATRIX ========== */
        .okooo-service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .okooo-service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 992px) {
            .okooo-service-grid {
                grid-template-columns: 1.2fr 0.8fr;
            }
        }

        .okooo-service-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-lg);
            padding: 28px;
            box-shadow: var(--okooo-shadow-sm);
            transition: var(--okooo-transition);
            display: flex;
            flex-direction: column;
        }

        .okooo-service-card:hover {
            box-shadow: var(--okooo-shadow);
            transform: translateY(-3px);
            border-color: rgba(232,137,58,0.25);
        }

        .okooo-service-card.featured {
            background: var(--okooo-bg-dark);
            border-color: var(--okooo-border-dark);
            color: var(--okooo-text-light);
        }

        .okooo-service-card.featured:hover {
            border-color: var(--okooo-accent);
        }

        .okooo-service-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            margin-bottom: 14px;
            align-self: flex-start;
        }

        .okooo-service-card.featured .okooo-service-tag {
            background: rgba(232,137,58,0.18);
            color: var(--okooo-accent);
        }

        .okooo-service-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--okooo-text);
            letter-spacing: -0.01em;
        }

        .okooo-service-card.featured .okooo-service-title {
            color: #fff;
        }

        .okooo-service-desc {
            font-size: 0.92rem;
            color: var(--okooo-text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .okooo-service-card.featured .okooo-service-desc {
            color: var(--okooo-text-light-muted);
        }

        .okooo-service-list {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .okooo-service-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--okooo-text-muted);
        }

        .okooo-service-card.featured .okooo-service-list li {
            color: var(--okooo-text-light-muted);
        }

        .okooo-service-list li i {
            color: var(--okooo-accent);
            font-size: 0.8rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .okooo-service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--okooo-accent);
            margin-top: auto;
            transition: var(--okooo-transition);
        }

        .okooo-service-link:hover {
            color: var(--okooo-accent-hover);
            gap: 10px;
        }

        /* ========== IMAGE TEXT BLOCK ========== */
        .okooo-imgtext-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .okooo-imgtext-grid {
                grid-template-columns: 1fr 1fr;
                gap: 48px;
            }
        }

        .okooo-imgtext-image {
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow-lg);
            position: relative;
        }

        .okooo-imgtext-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        .okooo-imgtext-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(13,17,23,0.65), transparent);
            pointer-events: none;
        }

        .okooo-imgtext-content {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .okooo-imgtext-content .okooo-section-title {
            margin-bottom: 0;
        }

        .okooo-imgtext-content p {
            font-size: 0.95rem;
            color: var(--okooo-text-muted);
            line-height: 1.85;
            margin-bottom: 0;
        }

        .okooo-imgtext-points {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .okooo-imgtext-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--okooo-text);
            line-height: 1.7;
        }

        .okooo-imgtext-points li i {
            color: var(--okooo-accent);
            font-size: 1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ========== COMPARISON ========== */
        .okooo-compare-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .okooo-compare-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .okooo-compare-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-lg);
            padding: 28px;
            box-shadow: var(--okooo-shadow-sm);
            transition: var(--okooo-transition);
        }

        .okooo-compare-card:hover {
            box-shadow: var(--okooo-shadow);
        }

        .okooo-compare-card.highlight {
            border: 2px solid var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        .okooo-compare-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .okooo-compare-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--okooo-text);
        }

        .okooo-compare-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 700;
            background: var(--okooo-accent);
            color: #fff;
        }

        .okooo-compare-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--okooo-border);
            font-size: 0.85rem;
        }

        .okooo-compare-row:last-child {
            border-bottom: none;
        }

        .okooo-compare-label {
            color: var(--okooo-text-muted);
        }

        .okooo-compare-value {
            font-weight: 700;
            color: var(--okooo-text);
        }

        .okooo-compare-card.highlight .okooo-compare-value {
            color: var(--okooo-accent);
        }

        /* ========== PROCESS ========== */
        .okooo-process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 768px) {
            .okooo-process-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
        }

        .okooo-process-step {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 24px;
            box-shadow: var(--okooo-shadow-sm);
            text-align: center;
            transition: var(--okooo-transition);
            position: relative;
        }

        .okooo-process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--okooo-shadow);
        }

        .okooo-process-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--okooo-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 800;
            margin: 0 auto 14px;
            transition: var(--okooo-transition);
            letter-spacing: -0.02em;
        }

        .okooo-process-step:hover .okooo-process-number {
            background: var(--okooo-accent);
        }

        .okooo-process-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--okooo-text);
            margin-bottom: 8px;
        }

        .okooo-process-desc {
            font-size: 0.82rem;
            color: var(--okooo-text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== NEWS LIST ========== */
        .okooo-news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .okooo-news-item {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 20px 0;
            border-bottom: 1px solid var(--okooo-border);
            transition: var(--okooo-transition);
        }

        .okooo-news-item:last-child {
            border-bottom: none;
        }

        @media (min-width: 768px) {
            .okooo-news-item {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 20px;
                padding: 22px 0;
            }
        }

        .okooo-news-item:hover {
            padding-left: 8px;
        }

        .okooo-news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 4px;
        }

        .okooo-news-date {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--okooo-accent);
            white-space: nowrap;
        }

        .okooo-news-tag {
            font-size: 0.72rem;
            padding: 2px 10px;
            border-radius: 12px;
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
            font-weight: 600;
            white-space: nowrap;
        }

        .okooo-news-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--okooo-text);
            margin-bottom: 4px;
            line-height: 1.45;
            transition: var(--okooo-transition);
        }

        .okooo-news-item:hover .okooo-news-title {
            color: var(--okooo-accent);
        }

        .okooo-news-desc {
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            margin-bottom: 0;
            line-height: 1.65;
            max-width: 620px;
        }

        .okooo-news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--okooo-accent);
            white-space: nowrap;
            transition: var(--okooo-transition);
        }

        .okooo-news-link:hover {
            color: var(--okooo-accent-hover);
            gap: 10px;
        }

        /* ========== BRAND INTRO ========== */
        .okooo-brand-intro {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light);
            border-radius: var(--okooo-radius-lg);
            padding: 40px 32px;
            position: relative;
            overflow: hidden;
        }

        .okooo-brand-intro::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232,137,58,0.12), transparent 70%);
            pointer-events: none;
        }

        .okooo-brand-intro-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .okooo-brand-intro p {
            font-size: 0.95rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.9;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        /* ========== FAQ ========== */
        .okooo-faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .okooo-faq-item {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--okooo-transition);
            box-shadow: var(--okooo-shadow-sm);
        }

        .okooo-faq-item:hover {
            border-color: rgba(232,137,58,0.25);
        }

        .okooo-faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--okooo-text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--okooo-transition);
        }

        .okooo-faq-question:hover {
            color: var(--okooo-accent);
        }

        .okooo-faq-question i {
            color: var(--okooo-accent);
            font-size: 0.85rem;
            transition: var(--okooo-transition);
            flex-shrink: 0;
        }

        .okooo-faq-item.open .okooo-faq-question i {
            transform: rotate(180deg);
        }

        .okooo-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .okooo-faq-item.open .okooo-faq-answer {
            max-height: 300px;
        }

        .okooo-faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            line-height: 1.75;
        }

        /* ========== CTA FORM ========== */
        .okooo-cta-panel {
            background: var(--okooo-bg-dark);
            border-radius: var(--okooo-radius-lg);
            padding: 40px 32px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--okooo-shadow-lg);
        }

        .okooo-cta-panel::before {
            content: '';
            position: absolute;
            bottom: -140px;
            left: -80px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232,137,58,0.14), transparent 70%);
            pointer-events: none;
        }

        .okooo-cta-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 992px) {
            .okooo-cta-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
                align-items: center;
            }
        }

        .okooo-cta-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .okooo-cta-desc {
            font-size: 0.95rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .okooo-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .okooo-form-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }

        @media (min-width: 576px) {
            .okooo-form-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        .okooo-form-control {
            display: block;
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border-dark);
            background: var(--okooo-bg-dark-soft);
            color: var(--okooo-text-light);
            font-size: 0.9rem;
            transition: var(--okooo-transition);
        }

        .okooo-form-control::placeholder {
            color: var(--okooo-text-light-muted);
        }

        .okooo-form-control:focus {
            outline: 3px solid rgba(232, 137, 58, 0.3);
            outline-offset: 2px;
            border-color: var(--okooo-accent);
            background: rgba(255,255,255,0.06);
        }

        .okooo-form-select {
            display: block;
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border-dark);
            background: var(--okooo-bg-dark-soft);
            color: var(--okooo-text-light);
            font-size: 0.9rem;
            transition: var(--okooo-transition);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a8a29a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }

        .okooo-form-select option {
            background: var(--okooo-bg-dark-soft);
            color: var(--okooo-text-light);
        }

        .okooo-form-textarea {
            display: block;
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--okooo-border-dark);
            background: var(--okooo-bg-dark-soft);
            color: var(--okooo-text-light);
            font-size: 0.9rem;
            transition: var(--okooo-transition);
            resize: vertical;
            min-height: 100px;
        }

        .okooo-form-textarea::placeholder {
            color: var(--okooo-text-light-muted);
        }

        .okooo-form-textarea:focus {
            outline: 3px solid rgba(232, 137, 58, 0.3);
            outline-offset: 2px;
            border-color: var(--okooo-accent);
        }

        /* ========== FOOTER ========== */
        .okooo-footer {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light-muted);
            padding: 56px 0 32px;
            border-top: 1px solid var(--okooo-border-dark);
        }

        .okooo-footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        @media (min-width: 576px) {
            .okooo-footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 992px) {
            .okooo-footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 40px;
            }
        }

        .okooo-footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .okooo-footer-brand span {
            color: var(--okooo-accent);
        }

        .okooo-footer-desc {
            font-size: 0.88rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 320px;
        }

        .okooo-footer h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .okooo-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .okooo-footer-links a {
            font-size: 0.85rem;
            color: var(--okooo-text-light-muted);
            transition: var(--okooo-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .okooo-footer-links a:hover {
            color: var(--okooo-accent);
            padding-left: 4px;
        }

        .okooo-footer-bottom {
            border-top: 1px solid var(--okooo-border-dark);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--okooo-text-light-muted);
        }

        @media (min-width: 768px) {
            .okooo-footer-bottom {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: space-between;
                align-items: center;
                gap: 12px;
            }
        }

        .okooo-footer-bottom a {
            color: var(--okooo-text-light-muted);
            transition: var(--okooo-transition);
        }

        .okooo-footer-bottom a:hover {
            color: var(--okooo-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 992px) {
            .okooo-hero {
                padding: 48px 0 40px;
            }
            .okooo-hero-title {
                font-size: 1.8rem;
            }
            .okooo-section {
                padding: 44px 0;
            }
            .okooo-section-title {
                font-size: 1.5rem;
            }
            .okooo-brand-intro {
                padding: 28px 20px;
            }
            .okooo-cta-panel {
                padding: 28px 20px;
            }
        }

        @media (max-width: 576px) {
            .okooo-hero-title {
                font-size: 1.5rem;
            }
            .okooo-hero-desc {
                font-size: 0.95rem;
            }
            .okooo-stat-value {
                font-size: 1.4rem;
            }
            .okooo-stat-card {
                padding: 16px 12px;
            }
            .okooo-service-card {
                padding: 20px;
            }
            .okooo-compare-card {
                padding: 20px;
            }
            .okooo-process-step {
                padding: 18px 14px;
            }
            .okooo-footer {
                padding: 40px 0 24px;
            }
            .okooo-cta-title {
                font-size: 1.2rem;
            }
        }

/* roulang page: category7 */
:root {
            --okooo-primary: #0d1117;
            --okooo-primary-soft: #161d27;
            --okooo-secondary: #0d1117;
            --okooo-accent: #e8893a;
            --okooo-accent-hover: #d6742a;
            --okooo-accent-soft: #fdf0e5;
            --okooo-bg: #ffffff;
            --okooo-bg-alt: #f6f3ee;
            --okooo-bg-dark: #0d1117;
            --okooo-bg-dark-soft: #111820;
            --okooo-text: #1a1d24;
            --okooo-text-muted: #6b7280;
            --okooo-text-light: #e8e6e1;
            --okooo-text-light-muted: #a8a29a;
            --okooo-border: #e5e0d8;
            --okooo-border-dark: #2a3038;
            --okooo-radius-sm: 8px;
            --okooo-radius: 14px;
            --okooo-radius-lg: 20px;
            --okooo-shadow-sm: 0 1px 4px rgba(13,17,23,0.06);
            --okooo-shadow: 0 8px 28px rgba(13,17,23,0.08);
            --okooo-shadow-lg: 0 20px 50px rgba(13,17,23,0.15);
            --okooo-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --okooo-transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--okooo-font);
            background-color: var(--okooo-bg);
            color: var(--okooo-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--okooo-transition);
        }
        a:hover {
            color: var(--okooo-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 3px solid rgba(232, 137, 58, 0.35);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        /* ========== HEADER / NAV ========== */
        .okooo-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--okooo-border);
            padding: 0;
        }
        .okooo-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }
        .okooo-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: var(--okooo-primary) !important;
            white-space: nowrap;
        }
        .okooo-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--okooo-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .okooo-logo span {
            color: var(--okooo-accent);
        }
        .okooo-nav-desktop {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }
        .okooo-nav-desktop a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
        }
        .okooo-nav-desktop a:hover {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }
        .okooo-nav-desktop a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }
        .okooo-nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--okooo-accent);
            border-radius: 2px;
        }
        .okooo-header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .okooo-header-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            background: var(--okooo-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--okooo-transition);
        }
        .okooo-header-btn:hover {
            background: var(--okooo-accent);
            color: #fff;
        }
        .okooo-mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--okooo-bg-alt);
            border: 1px solid var(--okooo-border);
            color: var(--okooo-text);
            font-size: 1.15rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--okooo-transition);
        }
        .okooo-mobile-toggle:hover {
            background: var(--okooo-accent-soft);
            color: var(--okooo-accent);
        }
        .okooo-mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--okooo-border);
            padding: 8px 0 16px;
            box-shadow: var(--okooo-shadow);
        }
        .okooo-mobile-menu.open {
            display: block;
        }
        .okooo-mobile-menu a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--okooo-text);
            border-bottom: 1px solid var(--okooo-border);
            transition: var(--okooo-transition);
        }
        .okooo-mobile-menu a:last-child {
            border-bottom: none;
        }
        .okooo-mobile-menu a:hover,
        .okooo-mobile-menu a.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        /* ========== BOTTOM TAB NAV (Mobile) ========== */
        .okooo-bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1060;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--okooo-border);
            padding: 6px 8px;
            box-shadow: 0 -4px 20px rgba(13,17,23,0.08);
        }
        .okooo-bottom-tabs-inner {
            display: flex;
            justify-content: space-around;
            align-items: center;
            max-width: 520px;
            margin: 0 auto;
            gap: 4px;
        }
        .okooo-bottom-tab-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 6px 10px;
            border-radius: 10px;
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--okooo-text-muted);
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--okooo-transition);
            min-width: 52px;
            white-space: nowrap;
        }
        .okooo-bottom-tab-btn i {
            font-size: 1.05rem;
            margin-bottom: 1px;
        }
        .okooo-bottom-tab-btn:hover,
        .okooo-bottom-tab-btn.active {
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
        }

        /* ========== HERO ========== */
        .okooo-hero {
            background: var(--okooo-bg-dark);
            background-image: linear-gradient(to bottom, rgba(13,17,23,0.92), rgba(13,17,23,0.7)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 76px 0 84px;
            position: relative;
            overflow: hidden;
        }
        .okooo-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--okooo-accent), #f0b27a, var(--okooo-accent));
        }
        .okooo-hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            position: relative;
            z-index: 2;
            align-items: center;
        }
        .okooo-hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 137, 58, 0.16);
            border: 1px solid rgba(232, 137, 58, 0.35);
            color: #f5b27a;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 22px;
        }
        .okooo-hero h1 {
            font-size: 2.9rem;
            line-height: 1.22;
            font-weight: 850;
            letter-spacing: -0.035em;
            margin: 0 0 20px;
            color: #fff;
        }
        .okooo-hero h1 em {
            font-style: normal;
            color: var(--okooo-accent);
            position: relative;
        }
        .okooo-hero-sub {
            font-size: 1.08rem;
            line-height: 1.8;
            color: var(--okooo-text-light-muted);
            margin: 0 0 28px;
            max-width: 560px;
        }
        .okooo-hero-progress-wrap {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--okooo-radius);
            padding: 20px 24px;
            margin-bottom: 28px;
        }
        .okooo-hero-progress-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .okooo-hero-progress-top .okooo-progress-label {
            color: var(--okooo-text-light);
        }
        .okooo-hero-progress-top .okooo-progress-count {
            color: var(--okooo-accent);
            font-weight: 800;
            font-size: 1rem;
        }
        .okooo-hero .progress {
            height: 8px;
            border-radius: 999px;
            background: rgba(255,255,255,0.12);
            overflow: hidden;
        }
        .okooo-hero .progress-bar {
            background: linear-gradient(90deg, var(--okooo-accent), #f0b27a);
            border-radius: 999px;
            transition: width 1.2s cubic-bezier(0.22, 0.61, 0.36, 1);
        }
        .okooo-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .okooo-btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 750;
            background: var(--okooo-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--okooo-transition);
            box-shadow: 0 6px 20px rgba(232,137,58,0.35);
        }
        .okooo-btn-primary-lg:hover {
            background: var(--okooo-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(232,137,58,0.45);
        }
        .okooo-btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 24px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            background: transparent;
            color: var(--okooo-text-light);
            border: 1px solid rgba(255,255,255,0.28);
            cursor: pointer;
            transition: var(--okooo-transition);
        }
        .okooo-btn-ghost-light:hover {
            border-color: var(--okooo-accent);
            color: var(--okooo-accent);
            background: rgba(232,137,58,0.08);
        }
        .okooo-hero-rewards {
            display: grid;
            gap: 16px;
        }
        .okooo-reward-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--okooo-radius);
            padding: 20px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--okooo-transition);
            cursor: pointer;
        }
        .okooo-reward-card:hover {
            background: rgba(232,137,58,0.1);
            border-color: rgba(232,137,58,0.4);
            transform: translateY(-3px);
            box-shadow: var(--okooo-shadow-lg);
        }
        .okooo-reward-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(232,137,58,0.25), rgba(232,137,58,0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--okooo-accent);
            flex-shrink: 0;
        }
        .okooo-reward-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 4px;
            color: #fff;
        }
        .okooo-reward-info p {
            font-size: 0.82rem;
            color: var(--okooo-text-light-muted);
            margin: 0;
            line-height: 1.55;
        }

        /* ========== SECTION GENERIC ========== */
        .okooo-section {
            padding: 72px 0;
        }
        .okooo-section-alt {
            background: var(--okooo-bg-alt);
        }
        .okooo-section-dark {
            background: var(--okooo-bg-dark);
            color: #fff;
        }
        .okooo-section-head {
            margin-bottom: 44px;
        }
        .okooo-section-head h2 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.025em;
            margin: 0 0 12px;
            color: var(--okooo-text);
        }
        .okooo-section-dark .okooo-section-head h2 {
            color: #fff;
        }
        .okooo-section-head p {
            font-size: 1rem;
            color: var(--okooo-text-muted);
            margin: 0;
            max-width: 680px;
            line-height: 1.75;
        }
        .okooo-section-dark .okooo-section-head p {
            color: var(--okooo-text-light-muted);
        }
        .okooo-highlight {
            color: var(--okooo-accent);
        }

        /* ========== METRIC BOARD ========== */
        .okooo-metric-board {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .okooo-metric-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 28px 24px;
            text-align: center;
            transition: var(--okooo-transition);
            position: relative;
            overflow: hidden;
        }
        .okooo-metric-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--okooo-accent), #f0c89a);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
        }
        .okooo-metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--okooo-shadow-lg);
            border-color: var(--okooo-accent);
        }
        .okooo-metric-card:hover::after {
            transform: scaleX(1);
        }
        .okooo-metric-number {
            font-size: 2.4rem;
            font-weight: 850;
            letter-spacing: -0.03em;
            color: var(--okooo-primary);
            margin-bottom: 6px;
        }
        .okooo-metric-number span {
            font-size: 1.1rem;
            color: var(--okooo-accent);
            margin-left: 2px;
        }
        .okooo-metric-card h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--okooo-text-muted);
            margin: 0 0 8px;
        }
        .okooo-metric-card p {
            font-size: 0.78rem;
            color: var(--okooo-text-muted);
            margin: 0;
            line-height: 1.55;
        }

        /* ========== SERVICE MATRIX ========== */
        .okooo-service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .okooo-service-card {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius-lg);
            padding: 32px 28px;
            transition: var(--okooo-transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .okooo-service-card:hover {
            border-color: var(--okooo-accent);
            box-shadow: var(--okooo-shadow-lg);
            transform: translateY(-4px);
        }
        .okooo-service-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }
        .okooo-service-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--okooo-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--okooo-accent);
        }
        .okooo-badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--okooo-accent);
            background: var(--okooo-accent-soft);
            padding: 4px 10px;
            border-radius: 999px;
        }
        .okooo-service-card h3 {
            font-size: 1.15rem;
            font-weight: 750;
            margin: 0 0 10px;
            letter-spacing: -0.015em;
        }
        .okooo-service-card p {
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            line-height: 1.7;
            margin: 0 0 16px;
            flex-grow: 1;
        }
        .okooo-service-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 8px;
        }
        .okooo-service-card ul li {
            font-size: 0.82rem;
            color: var(--okooo-text-muted);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .okooo-service-card ul li i {
            color: var(--okooo-accent);
            font-size: 0.75rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ========== COMPARISON ========== */
        .okooo-compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .okooo-compare-card {
            border-radius: var(--okooo-radius-lg);
            padding: 36px 32px;
            transition: var(--okooo-transition);
        }
        .okooo-compare-before {
            background: #f8f5f0;
            border: 1px solid var(--okooo-border);
        }
        .okooo-compare-after {
            background: var(--okooo-bg-dark);
            border: 1px solid var(--okooo-border-dark);
            color: #fff;
        }
        .okooo-compare-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--okooo-shadow-lg);
        }
        .okooo-compare-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .okooo-compare-before .okooo-compare-badge {
            background: #e8e0d5;
            color: #6b6b6b;
        }
        .okooo-compare-after .okooo-compare-badge {
            background: rgba(232,137,58,0.2);
            color: var(--okooo-accent);
            border: 1px solid rgba(232,137,58,0.35);
        }
        .okooo-compare-card h3 {
            font-size: 1.3rem;
            font-weight: 750;
            margin: 0 0 14px;
            letter-spacing: -0.02em;
        }
        .okooo-compare-before h3 {
            color: var(--okooo-text);
        }
        .okooo-compare-after h3 {
            color: #fff;
        }
        .okooo-compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 12px;
        }
        .okooo-compare-card ul li {
            font-size: 0.9rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }
        .okooo-compare-before ul li {
            color: var(--okooo-text-muted);
        }
        .okooo-compare-before ul li i {
            color: #a8a29a;
        }
        .okooo-compare-after ul li {
            color: var(--okooo-text-light-muted);
        }
        .okooo-compare-after ul li i {
            color: var(--okooo-accent);
        }

        /* ========== BRAND INTRO ========== */
        .okooo-brand-block {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 48px;
            align-items: center;
        }
        .okooo-brand-image {
            border-radius: var(--okooo-radius-lg);
            overflow: hidden;
            box-shadow: var(--okooo-shadow-lg);
            position: relative;
        }
        .okooo-brand-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .okooo-brand-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(13,17,23,0.6), transparent);
            pointer-events: none;
        }
        .okooo-brand-text h2 {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.025em;
            margin: 0 0 16px;
        }
        .okooo-brand-text p {
            font-size: 0.95rem;
            color: var(--okooo-text-muted);
            line-height: 1.85;
            margin: 0 0 12px;
        }

        /* ========== SCENARIO TIMELINE ========== */
        .okooo-scenario-flow {
            display: grid;
            gap: 20px;
        }
        .okooo-scenario-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            padding: 24px 28px;
            transition: var(--okooo-transition);
        }
        .okooo-scenario-item:hover {
            border-color: var(--okooo-accent);
            box-shadow: var(--okooo-shadow);
            transform: translateX(6px);
        }
        .okooo-scenario-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--okooo-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .okooo-scenario-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 6px;
        }
        .okooo-scenario-item p {
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .okooo-faq-list {
            display: grid;
            gap: 14px;
            max-width: 820px;
            margin: 0 auto;
        }
        .okooo-faq-item {
            background: #fff;
            border: 1px solid var(--okooo-border);
            border-radius: var(--okooo-radius);
            overflow: hidden;
            transition: var(--okooo-transition);
        }
        .okooo-faq-item:hover {
            border-color: var(--okooo-accent);
            box-shadow: var(--okooo-shadow-sm);
        }
        .okooo-faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 0.95rem;
            font-weight: 700;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--okooo-text);
            text-align: left;
            transition: var(--okooo-transition);
        }
        .okooo-faq-question:hover {
            color: var(--okooo-accent);
        }
        .okooo-faq-question i {
            font-size: 0.85rem;
            color: var(--okooo-text-muted);
            transition: var(--okooo-transition);
            flex-shrink: 0;
        }
        .okooo-faq-item.open .okooo-faq-question i {
            transform: rotate(180deg);
            color: var(--okooo-accent);
        }
        .okooo-faq-answer {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--okooo-text-muted);
            line-height: 1.75;
            display: none;
        }
        .okooo-faq-item.open .okooo-faq-answer {
            display: block;
            animation: okooo-fadeIn 0.3s ease;
        }
        @keyframes okooo-fadeIn {
            from { opacity: 0; transform: translateY(-4px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ========== CTA FORM ========== */
        .okooo-cta-wrap {
            background: var(--okooo-bg-dark);
            background-image: linear-gradient(to bottom, rgba(13,17,23,0.88), rgba(13,17,23,0.75)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--okooo-radius-lg);
            padding: 56px 52px;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .okooo-cta-wrap::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232,137,58,0.18), transparent 65%);
            pointer-events: none;
            border-radius: 50%;
        }
        .okooo-cta-info h2 {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.025em;
            margin: 0 0 14px;
            color: #fff;
        }
        .okooo-cta-info p {
            font-size: 0.95rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.8;
            margin: 0 0 20px;
        }
        .okooo-cta-info ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }
        .okooo-cta-info ul li {
            font-size: 0.88rem;
            color: var(--okooo-text-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .okooo-cta-info ul li i {
            color: var(--okooo-accent);
        }
        .okooo-cta-form {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.14);
            border-radius: var(--okooo-radius);
            padding: 28px;
        }
        .okooo-cta-form h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 18px;
            color: #fff;
        }
        .okooo-cta-form .form-control {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.18);
            color: #fff;
            border-radius: 10px;
            padding: 11px 16px;
            font-size: 0.9rem;
            transition: var(--okooo-transition);
        }
        .okooo-cta-form .form-control::placeholder {
            color: rgba(255,255,255,0.45);
        }
        .okooo-cta-form .form-control:focus {
            background: rgba(255,255,255,0.12);
            border-color: var(--okooo-accent);
            box-shadow: 0 0 0 3px rgba(232,137,58,0.25);
            color: #fff;
        }
        .okooo-cta-form .form-select {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.18);
            color: #fff;
            border-radius: 10px;
            padding: 11px 16px;
            font-size: 0.9rem;
        }
        .okooo-cta-form .form-select option {
            color: var(--okooo-text);
        }
        .okooo-cta-form label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--okooo-text-light-muted);
            margin-bottom: 6px;
            display: block;
        }
        .okooo-cta-form .okooo-btn-submit {
            width: 100%;
            padding: 12px 20px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 700;
            background: var(--okooo-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--okooo-transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .okooo-cta-form .okooo-btn-submit:hover {
            background: var(--okooo-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232,137,58,0.4);
        }

        /* ========== FOOTER ========== */
        .okooo-footer {
            background: var(--okooo-bg-dark);
            color: var(--okooo-text-light-muted);
            padding: 56px 0 24px;
            border-top: 1px solid var(--okooo-border-dark);
        }
        .okooo-footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .okooo-footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .okooo-footer-brand span {
            color: var(--okooo-accent);
        }
        .okooo-footer-desc {
            font-size: 0.82rem;
            color: var(--okooo-text-light-muted);
            line-height: 1.7;
            margin: 0;
        }
        .okooo-footer h5 {
            font-size: 0.88rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .okooo-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 8px;
        }
        .okooo-footer-links a {
            font-size: 0.82rem;
            color: var(--okooo-text-light-muted);
            transition: var(--okooo-transition);
        }
        .okooo-footer-links a:hover {
            color: var(--okooo-accent);
        }
        .okooo-footer-bottom {
            border-top: 1px solid var(--okooo-border-dark);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.72rem;
            color: var(--okooo-text-light-muted);
            justify-content: space-between;
            align-items: center;
        }
        .okooo-footer-bottom a {
            color: var(--okooo-text-light-muted);
        }
        .okooo-footer-bottom a:hover {
            color: var(--okooo-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding-left: 28px;
                padding-right: 28px;
            }
            .okooo-nav-desktop a {
                padding: 10px 8px;
                font-size: 0.78rem;
            }
            .okooo-hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .okooo-hero h1 {
                font-size: 2.4rem;
            }
            .okooo-metric-board {
                grid-template-columns: repeat(2, 1fr);
            }
            .okooo-service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .okooo-compare-grid {
                grid-template-columns: 1fr;
            }
            .okooo-brand-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .okooo-cta-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 28px;
            }
            .okooo-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .okooo-nav-desktop {
                display: none !important;
            }
            .okooo-mobile-toggle {
                display: inline-flex;
            }
            .okooo-header-btn {
                display: none;
            }
            .okooo-header-inner {
                min-height: 58px;
            }
            .okooo-logo {
                font-size: 1.15rem;
            }
            .okooo-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .okooo-hero {
                padding: 48px 0 60px;
            }
            .okooo-hero h1 {
                font-size: 1.85rem;
                line-height: 1.3;
            }
            .okooo-hero-sub {
                font-size: 0.95rem;
            }
            .okooo-hero-progress-wrap {
                padding: 16px 18px;
            }
            .okooo-btn-primary-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
                flex: 1;
            }
            .okooo-btn-ghost-light {
                padding: 12px 20px;
                font-size: 0.85rem;
            }
            .okooo-reward-card {
                padding: 16px;
            }
            .okooo-reward-icon {
                width: 40px;
                height: 40px;
                font-size: 1.05rem;
            }
            .okooo-section {
                padding: 48px 0;
            }
            .okooo-section-head h2 {
                font-size: 1.5rem;
            }
            .okooo-section-head {
                margin-bottom: 28px;
            }
            .okooo-metric-board {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .okooo-metric-card {
                padding: 20px 16px;
            }
            .okooo-metric-number {
                font-size: 1.8rem;
            }
            .okooo-service-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .okooo-service-card {
                padding: 24px 20px;
            }
            .okooo-compare-card {
                padding: 24px 20px;
            }
            .okooo-scenario-item {
                flex-direction: column;
                gap: 12px;
                padding: 18px 16px;
            }
            .okooo-scenario-num {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            .okooo-cta-wrap {
                padding: 32px 20px;
            }
            .okooo-cta-info h2 {
                font-size: 1.4rem;
            }
            .okooo-cta-form {
                padding: 20px;
            }
            .okooo-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .okooo-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .okooo-bottom-tabs {
                display: block;
                padding-bottom: calc(6px + env(safe-area-inset-bottom));
            }
            body {
                padding-bottom: 64px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .okooo-hero {
                padding: 36px 0 48px;
            }
            .okooo-hero h1 {
                font-size: 1.55rem;
            }
            .okooo-hero-sub {
                font-size: 0.88rem;
            }
            .okooo-hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .okooo-btn-primary-lg {
                justify-content: center;
            }
            .okooo-btn-ghost-light {
                justify-content: center;
            }
            .okooo-metric-board {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .okooo-metric-card {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
                padding: 16px 18px;
            }
            .okooo-metric-number {
                font-size: 1.6rem;
                white-space: nowrap;
            }
            .okooo-metric-card h4 {
                margin-bottom: 2px;
            }
            .okooo-metric-card p {
                font-size: 0.72rem;
            }
            .okooo-section-head h2 {
                font-size: 1.3rem;
            }
            .okooo-cta-wrap {
                padding: 28px 16px;
            }
            .okooo-cta-info h2 {
                font-size: 1.25rem;
            }
            .okooo-bottom-tab-btn {
                font-size: 0.58rem;
                min-width: 44px;
                padding: 5px 6px;
            }
            .okooo-bottom-tab-btn i {
                font-size: 0.9rem;
            }
        }