/* roulang page: index */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: rgba(255, 255, 255, 0.03);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-color: rgba(163, 230, 53, 0.15);
            --border-cyan: rgba(6, 182, 212, 0.3);
            --radius-lg: 1.2rem;
            --radius-md: 0.8rem;
            --radius-sm: 0.5rem;
            --shadow-neon-cyan: 0 0 20px rgba(6, 182, 212, 0.4);
            --shadow-neon-lime: 0 0 18px rgba(163, 230, 53, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-body);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            background-image: linear-gradient(0deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
        }

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

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

        .container-custom {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem 0;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: relative;
            padding: 0.5rem 0;
            transition: color var(--transition-fast);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: width var(--transition-smooth);
            box-shadow: var(--shadow-neon-cyan);
        }

        .nav-menu a:hover, .nav-menu a.active {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after, .nav-menu a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.55rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #84cc16);
            border: none;
            color: var(--primary-bg);
            padding: 0.6rem 1.8rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(163, 230, 53, 0.5);
        }

        /* Hero Section */
        .hero {
            padding: 5rem 0 5rem;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, rgba(6, 182, 212, 0.05) 100%);
            border-bottom: 1px solid var(--border-color);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            background: linear-gradient(to right, var(--text-primary), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: left;
        }

        .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1;
            margin-bottom: 0.3rem;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.8px;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-lime), #65a30d);
            color: var(--primary-bg);
            padding: 0.9rem 2.5rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(163, 230, 53, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(163, 230, 53, 0.5);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.85rem 2.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        .btn-outline:hover {
            background: rgba(6, 182, 212, 0.08);
            box-shadow: var(--shadow-neon-cyan);
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-card);
            width: 100%;
        }

        .hero-card img {
            border-radius: var(--radius-sm);
            margin-bottom: 1rem;
        }

        .hero-card .badge-row {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .badge {
            background: rgba(6, 182, 212, 0.15);
            color: var(--accent-cyan);
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* Section Styles */
        .section {
            padding: 4rem 0;
        }

        .section-header {
            margin-bottom: 3rem;
        }

        .section-label {
            display: inline-block;
            background: rgba(163, 230, 53, 0.1);
            color: var(--accent-lime);
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 0.8rem;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 750px;
            line-height: 1.7;
        }

        /* Category Entrance Grid */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.8rem;
        }

        .category-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: left;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .category-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 24px rgba(6, 182, 212, 0.2);
        }

        .category-card .cat-icon {
            font-size: 2.5rem;
            color: var(--accent-lime);
            margin-bottom: 1rem;
        }

        .category-card h3 {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
        }

        .category-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* Featured Cards */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
        }

        .featured-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .featured-card:hover {
            transform: scale(1.02);
            border-color: var(--accent-lime);
            box-shadow: 0 0 28px rgba(163, 230, 53, 0.2);
        }

        .featured-card img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }

        .featured-card-body {
            padding: 1.5rem;
        }

        .featured-card-body h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
        }

        .featured-card-body p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.5;
        }

        .hot-tag {
            position: absolute;
            top: 0.8rem;
            right: 0.8rem;
            background: var(--accent-pink);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-weight: 800;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            z-index: 2;
        }

        /* Ranking Table */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.2rem 1.8rem;
            transition: all var(--transition-smooth);
        }

        .ranking-item:hover {
            border-color: var(--accent-lime);
        }

        .rank-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-cyan);
            min-width: 50px;
        }

        .rank-info h5 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.2rem;
        }

        .rank-info p {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        /* Cms List */
        .cms-feed {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2.5rem;
        }

        .cms-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .cms-item {
            display: flex;
            gap: 1.5rem;
            align-items: center;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.2rem;
            transition: all var(--transition-smooth);
        }

        .cms-item:hover {
            border-color: var(--accent-cyan);
        }

        .cms-item img {
            width: 120px;
            height: 90px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .cms-item-content h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.4rem;
        }

        .cms-item-content p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.4;
        }

        .cms-sidebar {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            height: fit-content;
        }

        .cms-sidebar h4 {
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: var(--accent-lime);
        }

        /* Partners Logos */
        .partner-strip {
            display: flex;
            gap: 2.5rem;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            padding: 2rem 0;
        }

        .partner-strip span {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Guarantee Bar */
        .guarantee-bar {
            background: linear-gradient(90deg, rgba(6, 182, 212, 0.1), rgba(163, 230, 53, 0.05));
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            text-align: center;
        }

        .guarantee-bar h3 {
            font-weight: 800;
            font-size: 1.8rem;
            margin-bottom: 0.8rem;
        }

        .guarantee-bar p {
            color: var(--text-secondary);
        }

        /* Footer */
        .site-footer {
            background: rgba(0,0,0,0.4);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            margin-bottom: 0.5rem;
        }

        .footer-col a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-col a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(20px);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-lime);
            font-size: 1.6rem;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: all var(--transition-smooth);
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.55);
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .cms-feed {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .section-title {
                font-size: 2rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: rgba(255, 255, 255, 0.03);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-color: rgba(163, 230, 53, 0.15);
            --border-cyan: rgba(6, 182, 212, 0.3);
            --radius-lg: 1.2rem;
            --radius-md: 0.8rem;
            --radius-sm: 0.5rem;
            --shadow-neon-cyan: 0 0 20px rgba(6, 182, 212, 0.4);
            --shadow-neon-lime: 0 0 18px rgba(163, 230, 53, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-body);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            background-image: linear-gradient(0deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
        }

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

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

        .container-custom {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem 0;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: relative;
            padding: 0.5rem 0;
            transition: color var(--transition-fast);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: width var(--transition-smooth);
            box-shadow: var(--shadow-neon-cyan);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.55rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #84cc16);
            border: none;
            color: var(--primary-bg);
            padding: 0.6rem 1.8rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(163, 230, 53, 0.5);
        }

        /* Article Banner */
        .article-banner {
            position: relative;
            padding: 4rem 0 3rem;
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, var(--secondary-bg) 100%);
            border-bottom: 1px solid var(--border-cyan);
        }

        .article-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .article-banner-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }

        .article-category {
            display: inline-block;
            background: rgba(163, 230, 53, 0.12);
            color: var(--accent-lime);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border: 1px solid rgba(163, 230, 53, 0.25);
        }

        .article-date {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-date i {
            color: var(--accent-cyan);
        }

        .article-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            color: var(--text-primary);
            text-shadow: 0 0 30px rgba(6, 182, 212, 0.15);
        }

        /* Article Body */
        .article-main {
            padding: 3rem 0 4rem;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            align-items: start;
        }

        .article-body {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-card);
        }

        .article-body h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.7rem;
            color: var(--text-primary);
            margin: 2rem 0 1rem;
            line-height: 1.35;
            border-left: 4px solid var(--accent-cyan);
            padding-left: 1rem;
        }

        .article-body h3 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.35rem;
            color: var(--text-primary);
            margin: 1.8rem 0 0.8rem;
            line-height: 1.4;
        }

        .article-body p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }

        .article-body ul,
        .article-body ol {
            margin: 1rem 0 1.5rem 1.5rem;
            color: var(--text-secondary);
        }

        .article-body li {
            margin-bottom: 0.6rem;
            line-height: 1.6;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.8rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-lime);
            background: rgba(163, 230, 53, 0.05);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-secondary);
            font-style: italic;
            font-size: 1.1rem;
        }

        .article-body a {
            color: var(--accent-cyan);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 4px;
            transition: color var(--transition-fast);
        }

        .article-body a:hover {
            color: var(--accent-lime);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(10px);
        }

        .sidebar-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--accent-lime);
            margin-bottom: 1.2rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .sidebar-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .sidebar-card ul li a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-card ul li a:hover {
            color: var(--accent-cyan);
            transform: translateX(4px);
        }

        .sidebar-card ul li a i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        .cta-sidebar {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-lg);
            padding: 2rem;
            text-align: left;
        }

        .cta-sidebar h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        .cta-sidebar p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .cta-sidebar .btn-signup {
            width: 100%;
            text-align: center;
            font-size: 0.9rem;
            padding: 0.75rem 1.5rem;
        }

        /* Related Posts */
        .related-section {
            padding: 3rem 0 4rem;
            border-top: 1px solid var(--border-color);
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2rem;
            color: var(--text-primary);
            margin-bottom: 2.5rem;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-neon-cyan);
            border-radius: 2px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.8rem;
        }

        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
            border-color: var(--accent-cyan);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 1.5rem;
        }

        .related-card-body h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .related-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 1rem;
        }

        .related-card-body .read-more {
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: all var(--transition-fast);
        }

        .related-card-body .read-more:hover {
            color: var(--accent-lime);
            gap: 0.6rem;
        }

        /* Not Found State */
        .not-found {
            text-align: left;
            padding: 4rem 2rem;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }

        .not-found h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .not-found p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
        }

        .not-found .btn-back {
            display: inline-block;
            background: var(--accent-cyan);
            color: var(--primary-bg);
            padding: 0.7rem 2rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
        }

        .not-found .btn-back:hover {
            background: var(--accent-lime);
            box-shadow: var(--shadow-neon-lime);
        }

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-color);
            padding: 3.5rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-col h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 1.2rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            text-align: left;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(10px);
            border-radius: 2rem;
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
            animation: fabPulse 2.5s infinite;
        }

        .fab-floating::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 2rem;
            padding: 2px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: 0.8;
        }

        .fab-floating i {
            font-size: 1.6rem;
            color: var(--accent-lime);
            z-index: 2;
            transition: transform var(--transition-fast);
        }

        .fab-floating:hover {
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.55);
            transform: scale(1.08);
        }

        .fab-floating:hover i {
            transform: rotate(360deg);
            color: var(--accent-cyan);
        }

        .fab-floating:active {
            transform: scale(0.95);
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: badgeBlink 1.5s infinite;
        }

        @keyframes fabPulse {
            0%,
            100% {
                box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
            }
            50% {
                box-shadow: 0 0 34px rgba(6, 182, 212, 0.5);
            }
        }

        @keyframes badgeBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .article-sidebar {
                position: static;
            }

            .article-banner h1 {
                font-size: 2.2rem;
            }

            .article-body {
                padding: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .nav-wrapper {
                justify-content: space-between;
            }

            .nav-logo {
                font-size: 1.15rem;
            }

            .btn-login,
            .btn-signup {
                padding: 0.45rem 1.2rem;
                font-size: 0.78rem;
            }

            .article-banner {
                padding: 2.5rem 0 2rem;
            }

            .article-banner h1 {
                font-size: 1.8rem;
            }

            .article-body {
                padding: 1.3rem;
            }

            .article-body h2 {
                font-size: 1.4rem;
            }

            .article-body p {
                font-size: 0.95rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .fab-floating {
                left: 1rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
            }

            .fab-floating i {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 1rem;
            }

            .article-meta {
                gap: 0.8rem;
            }

            .article-banner h1 {
                font-size: 1.5rem;
            }

            .article-body {
                padding: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: rgba(255, 255, 255, 0.03);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-color: rgba(163, 230, 53, 0.15);
            --border-cyan: rgba(6, 182, 212, 0.3);
            --radius-lg: 1.2rem;
            --radius-md: 0.8rem;
            --radius-sm: 0.5rem;
            --shadow-neon-cyan: 0 0 20px rgba(6, 182, 212, 0.4);
            --shadow-neon-lime: 0 0 18px rgba(163, 230, 53, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-body);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            background-image: linear-gradient(0deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
        }

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

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

        .container-custom {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem 0;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: relative;
            padding: 0.5rem 0;
            transition: color var(--transition-fast);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: width var(--transition-smooth);
            box-shadow: var(--shadow-neon-cyan);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.55rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #84cc16);
            border: none;
            color: var(--primary-bg);
            padding: 0.6rem 1.8rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(163, 230, 53, 0.5);
        }

        /* Page Banner */
        .page-banner {
            padding: 3.5rem 0 3rem;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, rgba(6, 182, 212, 0.05) 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            background: linear-gradient(135deg, var(--text-primary), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }

        .page-banner .subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.7;
        }

        /* Stats Bar */
        .stats-bar {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem 2.5rem;
            margin-top: -2.5rem;
            margin-bottom: 3.5rem;
            position: relative;
            z-index: 10;
            backdrop-filter: blur(10px);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .stat-item {
            text-align: center;
            border-right: 1px solid var(--border-color);
            padding: 0 1.5rem;
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-value {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            text-shadow: var(--shadow-neon-cyan);
            margin-bottom: 0.4rem;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.8px;
        }

        /* Strategy Timeline */
        .strategy-section {
            padding: 4rem 0 5rem;
        }

        .section-label {
            display: inline-block;
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent-cyan);
            padding: 0.35rem 1.2rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-cyan);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 3rem;
            max-width: 800px;
        }

        .timeline-grid {
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
            position: relative;
            padding-left: 3rem;
        }

        .timeline-grid::before {
            content: '';
            position: absolute;
            left: 22px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-lime), var(--accent-cyan));
            box-shadow: var(--shadow-neon-cyan);
        }

        .timeline-item {
            position: relative;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all var(--transition-smooth);
        }

        .timeline-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 24px rgba(6, 182, 212, 0.2);
            transform: translateX(4px);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.5rem;
            top: 2.4rem;
            width: 14px;
            height: 14px;
            background: var(--accent-lime);
            border-radius: 50%;
            box-shadow: 0 0 16px rgba(163, 230, 53, 0.6);
            border: 3px solid var(--primary-bg);
        }

        .timeline-step {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: 0.5rem;
        }

        .timeline-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .timeline-desc {
            color: var(--text-secondary);
            line-height: 1.65;
            font-size: 0.95rem;
        }

        /* Optimization Cards */
        .optimize-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .optimize-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.2rem;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

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

        .optimize-card i {
            font-size: 2rem;
            color: var(--accent-cyan);
            margin-bottom: 1.5rem;
            text-shadow: var(--shadow-neon-cyan);
        }

        .optimize-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
            color: var(--text-primary);
        }

        .optimize-card p {
            color: var(--text-secondary);
            line-height: 1.65;
            font-size: 0.95rem;
        }

        /* Scenario Cards */
        .scenario-carousel {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .scenario-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .scenario-card:hover {
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.25);
            transform: translateY(-4px);
        }

        .scenario-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .scenario-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: var(--accent-pink);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
        }

        .scenario-body {
            padding: 1.8rem;
        }

        .scenario-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
        }

        .scenario-body p {
            color: var(--text-secondary);
            line-height: 1.6;
            font-size: 0.9rem;
        }

        /* FAQ Section */
        .faq-section {
            padding: 5rem 0;
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            margin: 3rem 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 900px;
            margin: 2rem auto 0;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem 2rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--accent-cyan);
            background: rgba(6, 182, 212, 0.05);
        }

        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-item h4 i {
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
        }

        .faq-item p {
            color: var(--text-secondary);
            margin-top: 0.8rem;
            display: none;
            line-height: 1.65;
        }

        .faq-item.open p {
            display: block;
        }

        .faq-item.open h4 i {
            transform: rotate(180deg);
        }

        /* Latest Updates */
        .latest-section {
            padding: 3rem 0 5rem;
        }

        .latest-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .latest-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .latest-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .latest-card img {
            height: 160px;
            object-fit: cover;
        }

        .latest-card-body {
            padding: 1.5rem;
        }

        .latest-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .latest-card-body p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-color);
            padding: 4rem 0 2rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-col h5 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 0.7rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
            font-size: 0.95rem;
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
                padding: 1.5rem;
            }
            .stat-item:nth-child(2) {
                border-right: none;
            }
            .optimize-grid {
                grid-template-columns: 1fr;
            }
            .scenario-carousel {
                grid-template-columns: 1fr;
            }
            .latest-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                gap: 1rem;
            }
            .nav-menu {
                gap: 1rem;
                flex-wrap: wrap;
            }
            .nav-menu a {
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .stats-bar {
                grid-template-columns: 1fr;
                gap: 1rem;
                margin-top: -1.5rem;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                padding-bottom: 1rem;
            }
            .stat-item:last-child {
                border-bottom: none;
            }
            .timeline-grid {
                padding-left: 2rem;
                gap: 2rem;
            }
            .timeline-item {
                padding: 1.2rem;
            }
            .faq-item {
                padding: 1rem 1.2rem;
            }
            .faq-item h4 {
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .latest-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .nav-menu {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
            }
            .nav-actions {
                width: 100%;
                justify-content: flex-end;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: rgba(255, 255, 255, 0.03);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-color: rgba(163, 230, 53, 0.15);
            --border-cyan: rgba(6, 182, 212, 0.3);
            --radius-lg: 1.2rem;
            --radius-md: 0.8rem;
            --radius-sm: 0.5rem;
            --shadow-neon-cyan: 0 0 20px rgba(6, 182, 212, 0.4);
            --shadow-neon-lime: 0 0 18px rgba(163, 230, 53, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-body);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            background-image: linear-gradient(0deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
        }

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

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

        ul {
            list-style: none;
        }

        .container-custom {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem 0;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: relative;
            padding: 0.5rem 0;
            transition: color var(--transition-fast);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: width var(--transition-smooth);
            box-shadow: var(--shadow-neon-cyan);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.55rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #84cc16);
            border: none;
            color: var(--primary-bg);
            padding: 0.6rem 1.8rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(163, 230, 53, 0.5);
        }

        /* Page Banner */
        .page-banner {
            padding: 3rem 0 2.5rem;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, rgba(6, 182, 212, 0.03) 100%);
            border-bottom: 1px solid var(--border-color);
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }

        .page-banner .subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
        }

        .breadcrumb {
            display: flex;
            gap: 0.6rem;
            align-items: center;
            margin-bottom: 1.2rem;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .breadcrumb a {
            color: var(--accent-cyan);
        }

        .breadcrumb a:hover {
            color: var(--text-primary);
        }

        .breadcrumb span {
            color: var(--text-muted);
        }

        /* Main Layout */
        .main-content {
            padding: 3rem 0 4rem;
        }

        .section {
            margin-bottom: 3.5rem;
        }

        .section-header {
            margin-bottom: 2rem;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .section-header .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
        }

        /* Strategy Cards Grid */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }

        .strategy-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(8px);
            position: relative;
            overflow: hidden;
        }

        .strategy-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-neon-cyan);
        }

        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 40px;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 0 0 4px 0;
        }

        .strategy-card .card-icon {
            width: 50px;
            height: 50px;
            background: rgba(6, 182, 212, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.2rem;
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .strategy-card h3 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .strategy-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .strategy-card .card-tag {
            display: inline-block;
            background: rgba(163, 230, 53, 0.12);
            color: var(--accent-lime);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            margin-top: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.4px;
        }

        /* Comparison Table */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }

        table.comparison {
            width: 100%;
            border-collapse: collapse;
            background: var(--card-bg);
        }

        table.comparison thead th {
            background: rgba(163, 230, 53, 0.08);
            color: var(--accent-lime);
            font-weight: 700;
            text-transform: uppercase;
            padding: 1rem 1.2rem;
            font-size: 0.85rem;
            border-bottom: 1px solid var(--border-color);
            text-align: left;
        }

        table.comparison tbody td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

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

        table.comparison tbody tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        /* Steps Timeline */
        .steps-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .step-item {
            text-align: left;
            position: relative;
            padding: 1.5rem;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition-smooth);
        }

        .step-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon-cyan);
        }

        .step-number {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .step-item h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08) 0%, rgba(6, 182, 212, 0.06) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .cta-block h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }

        .cta-block p {
            color: var(--text-secondary);
        }

        .btn-cta-primary {
            background: linear-gradient(135deg, var(--accent-lime), #84cc16);
            border: none;
            color: var(--primary-bg);
            padding: 0.9rem 2.2rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 24px rgba(163, 230, 53, 0.4);
            white-space: nowrap;
        }

        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(163, 230, 53, 0.6);
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all var(--transition-fast);
        }

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

        .faq-item h4 {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            font-size: 1.05rem;
        }

        .faq-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* News Grid */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

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

        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-card-body {
            padding: 1.2rem;
        }

        .news-card-body h5 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .news-card-body .news-date {
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 500;
        }

        .news-card-body p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-top: 0.4rem;
        }

        /* Footer */
        .site-footer {
            background: rgba(7, 7, 13, 0.9);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-cyan);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-lime);
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 0 22px rgba(6, 182, 212, 0.5);
            transition: all var(--transition-smooth);
            animation: breathe 2.5s ease-in-out infinite;
        }

        .fab-float:hover {
            transform: scale(1.15);
            box-shadow: 0 0 32px rgba(163, 230, 53, 0.6);
        }

        @keyframes breathe {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-4px);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .strategy-grid,
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--primary-bg);
                padding: 1.2rem 0;
            }
            .nav-menu.active-mob {
                display: flex;
            }
            .nav-wrapper {
                position: relative;
            }
            .nav-actions {
                gap: 0.6rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .strategy-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .steps-timeline {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                flex-direction: column;
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 1rem;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: rgba(255, 255, 255, 0.03);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-color: rgba(163, 230, 53, 0.15);
            --border-cyan: rgba(6, 182, 212, 0.3);
            --radius-lg: 1.2rem;
            --radius-md: 0.8rem;
            --radius-sm: 0.5rem;
            --shadow-neon-cyan: 0 0 20px rgba(6, 182, 212, 0.4);
            --shadow-neon-lime: 0 0 18px rgba(163, 230, 53, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-body);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            background-image: linear-gradient(0deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
        }

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

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

        .container-custom {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem 0;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: relative;
            padding: 0.5rem 0;
            transition: color var(--transition-fast);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: width var(--transition-smooth);
            box-shadow: var(--shadow-neon-cyan);
        }

        .nav-menu a:hover, .nav-menu a.active {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after, .nav-menu a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.55rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #84cc16);
            border: none;
            color: var(--primary-bg);
            padding: 0.6rem 1.8rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(163, 230, 53, 0.5);
        }

        .page-hero {
            padding: 4rem 0 5rem;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, rgba(6, 182, 212, 0.05) 100%);
            border-bottom: 1px solid var(--border-color);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -15%;
            width: 650px;
            height: 650px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1.2rem;
            background: linear-gradient(135deg, var(--text-primary), var(--accent-lime));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 90%;
        }

        .promo-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(244, 63, 94, 0.1);
            border: 1px solid rgba(244, 63, 94, 0.25);
            padding: 0.5rem 1.2rem;
            border-radius: 2rem;
            font-weight: 600;
            color: var(--accent-pink);
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent-lime), #84cc16);
            border: none;
            color: var(--primary-bg);
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.35);
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(163, 230, 53, 0.5);
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-cyan);
        }

        .metrics-strip {
            padding: 2rem 0;
            border-bottom: 1px solid var(--border-color);
            background: rgba(14, 14, 30, 0.5);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .metric-item h3 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-lime);
            margin-bottom: 0.3rem;
        }

        .metric-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
        }

        .promo-section {
            padding: 4rem 0;
        }

        .section-label {
            display: inline-block;
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid var(--border-color);
            padding: 0.4rem 1.2rem;
            border-radius: 2rem;
            color: var(--accent-lime);
            font-weight: 600;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.8rem;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 3rem;
            max-width: 700px;
            text-align: left;
        }

        .promo-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .promo-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .promo-card:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .promo-card .tag {
            position: absolute;
            top: 1.2rem;
            right: 1.2rem;
            background: var(--accent-pink);
            color: var(--text-primary);
            padding: 0.2rem 0.8rem;
            border-radius: 2rem;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
        }

        .promo-card h4 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--text-primary);
        }

        .promo-card p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .promo-highlight {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            color: var(--accent-lime);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-outline:hover {
            background: rgba(6, 182, 212, 0.1);
            box-shadow: var(--shadow-neon-cyan);
        }

        .steps-section {
            padding: 4rem 0;
            background: rgba(14, 14, 30, 0.4);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-top: 2.5rem;
        }

        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .step-card:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-card);
        }

        .step-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.15), rgba(6, 182, 212, 0.15));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.8rem;
            color: var(--accent-lime);
        }

        .step-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.6rem;
        }

        .step-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .comparison-section {
            padding: 4rem 0;
        }

        .comparison-table {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: 2rem;
        }

        .table-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            padding: 1rem 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            align-items: center;
        }

        .table-row.header-row {
            background: rgba(163, 230, 53, 0.05);
            font-weight: 700;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-size: 0.85rem;
        }

        .table-row:last-child {
            border-bottom: none;
        }

        .table-row .col-check {
            color: var(--accent-lime);
            font-weight: 600;
        }

        .info-list {
            padding: 4rem 0;
            background: rgba(14, 14, 30, 0.4);
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-top: 2rem;
        }

        .info-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all var(--transition-smooth);
        }

        .info-card:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-card);
        }

        .info-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
            color: var(--accent-cyan);
        }

        .info-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .news-section {
            padding: 4rem 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-top: 2rem;
        }

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .news-card:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .news-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .news-card .news-body {
            padding: 1.5rem;
        }

        .news-card h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
        }

        .news-card .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.8rem;
        }

        .news-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .news-card a {
            font-weight: 600;
            color: var(--accent-cyan);
            font-size: 0.85rem;
        }

        .news-card a:hover {
            color: var(--accent-lime);
        }

        .faq-section {
            padding: 4rem 0;
            background: rgba(14, 14, 30, 0.4);
        }

        .faq-list {
            margin-top: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-question {
            padding: 1.2rem 1.8rem;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
        }

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--accent-cyan);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            padding: 0 1.8rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 1.2rem;
        }

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

        .cta-footer-section {
            padding: 4rem 0;
            text-align: center;
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.05), rgba(6, 182, 212, 0.05));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .cta-footer-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .cta-footer-section p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-size: 1.05rem;
        }

        .site-footer {
            background: rgba(7, 7, 13, 0.9);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--accent-lime);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-col p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        @media (max-width: 1024px) {
            .hero-layout {
                grid-template-columns: 1fr;
            }

            .hero-content h1 {
                font-size: 2.2rem;
            }

            .hero-visual {
                display: none;
            }

            .promo-cards {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .info-grid {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(7, 7, 13, 0.98);
                padding: 1rem 1.5rem;
                border-top: 1px solid var(--border-color);
            }

            .nav-menu.active {
                display: flex;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                flex-wrap: nowrap;
            }

            .nav-actions {
                gap: 0.5rem;
            }

            .btn-login, .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.75rem;
            }

            .nav-logo {
                font-size: 1.1rem;
            }

            .hero-content h1 {
                font-size: 1.8rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .table-row {
                grid-template-columns: 1fr 1fr 1fr;
                padding: 0.8rem 1rem;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 0.95rem;
            }

            .btn-login, .btn-signup {
                padding: 0.4rem 0.8rem;
                font-size: 0.7rem;
            }

            .hero-content h1 {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .promo-card {
                padding: 1.5rem;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .table-row {
                grid-template-columns: 1fr 1fr 1fr;
                font-size: 0.75rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #07070D;
            --secondary-bg: #0E0E1E;
            --card-bg: rgba(255, 255, 255, 0.03);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-color: rgba(163, 230, 53, 0.15);
            --border-cyan: rgba(6, 182, 212, 0.3);
            --radius-lg: 1.2rem;
            --radius-md: 0.8rem;
            --radius-sm: 0.5rem;
            --shadow-neon-cyan: 0 0 20px rgba(6, 182, 212, 0.4);
            --shadow-neon-lime: 0 0 18px rgba(163, 230, 53, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            font-family: var(--font-body);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            background-image: linear-gradient(0deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            margin: 0;
        }

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

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

        .container-custom {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.85rem 0;
            flex-wrap: wrap;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .nav-logo i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: relative;
            padding: 0.5rem 0;
            transition: color var(--transition-fast);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: width var(--transition-smooth);
            box-shadow: var(--shadow-neon-cyan);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after,
        .nav-menu a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.55rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.1);
            box-shadow: var(--shadow-neon-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #84cc16);
            border: none;
            color: var(--primary-bg);
            padding: 0.6rem 1.8rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(163, 230, 53, 0.5);
        }

        .hero {
            padding: 3rem 0 4rem;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, rgba(6, 182, 212, 0.05) 100%);
            border-bottom: 1px solid var(--border-color);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        .coupon-hero-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .coupon-main {
            flex: 1 1 380px;
            background: linear-gradient(145deg, var(--card-bg), rgba(6, 182, 212, 0.1));
            border: 2px solid var(--accent-cyan);
            border-radius: var(--radius-lg);
            padding: 2rem;
            position: relative;
            box-shadow: var(--shadow-neon-cyan), var(--shadow-card);
            transition: all var(--transition-smooth);
        }

        .coupon-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 35px rgba(6, 182, 212, 0.55), var(--shadow-card);
        }

        .coupon-main .coupon-tag {
            position: absolute;
            top: -12px;
            left: 20px;
            background: var(--accent-pink);
            color: #fff;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            box-shadow: 0 0 15px rgba(244, 63, 94, 0.5);
        }

        .coupon-main .coupon-value {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-lime);
            line-height: 1.1;
        }

        .coupon-main .coupon-desc {
            color: var(--text-secondary);
            margin: 0.8rem 0 1.5rem;
            font-size: 1rem;
        }

        .coupon-main .btn-claim {
            background: linear-gradient(135deg, var(--accent-cyan), #38BDF8);
            border: none;
            color: var(--primary-bg);
            padding: 0.7rem 2rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.7px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 18px rgba(6, 182, 212, 0.35);
            display: inline-block;
        }

        .coupon-main .btn-claim:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.55);
        }

        .coupon-side {
            flex: 1 1 300px;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .coupon-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .coupon-item:hover {
            border-color: var(--accent-lime);
            box-shadow: var(--shadow-neon-lime);
            transform: translateX(4px);
        }

        .coupon-item .coupon-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.3rem;
        }

        .coupon-item .coupon-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        .coupon-item .coupon-mini-value {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--accent-lime);
            white-space: nowrap;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin: 3rem 0;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1rem;
            text-align: center;
            transition: all var(--transition-fast);
        }

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

        .stat-card .stat-value {
            font-family: var(--font-heading);
            font-size: 2.3rem;
            font-weight: 900;
            color: var(--accent-lime);
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 0.5rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin: 2rem 0 3rem;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

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

        .service-card .service-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 1.2rem;
        }

        .service-card h4 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.7rem;
        }

        .service-card p {
            color: var(--text-secondary);
            line-height: 1.6;
            font-size: 0.95rem;
            margin-bottom: 1.2rem;
        }

        .service-card .service-badge {
            display: inline-block;
            background: rgba(163, 230, 53, 0.1);
            color: var(--accent-lime);
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            width: fit-content;
        }

        .milestone-section {
            margin: 3rem 0;
        }

        .milestone-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .milestone-item {
            display: flex;
            align-items: flex-start;
            gap: 1.5rem;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all var(--transition-fast);
        }

        .milestone-item:hover {
            border-color: var(--accent-lime);
            box-shadow: var(--shadow-neon-lime);
        }

        .milestone-index {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-cyan);
            min-width: 50px;
            text-align: center;
        }

        .milestone-content h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.3rem;
        }

        .milestone-content p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0;
        }

        .info-list-section {
            margin: 3rem 0;
        }

        .info-list-section h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 2rem;
        }

        .blog-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .blog-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

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

        .blog-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .blog-card-body {
            padding: 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .blog-card-body .blog-cat {
            font-size: 0.75rem;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .blog-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }

        .blog-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            flex: 1;
        }

        .blog-card-body .blog-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.8rem;
        }

        .trust-section {
            margin: 3rem 0;
            padding: 2.5rem;
            background: var(--card-bg);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-lg);
        }

        .trust-section h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1.5rem;
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem;
            background: rgba(6, 182, 212, 0.06);
            border-radius: var(--radius-sm);
        }

        .trust-item i {
            font-size: 1.8rem;
            color: var(--accent-cyan);
        }

        .trust-item span {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .quick-answers {
            margin: 3rem 0;
        }

        .qa-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.2rem;
        }

        .qa-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all var(--transition-fast);
        }

        .qa-card:hover {
            border-color: var(--accent-lime);
        }

        .qa-card h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 0.5rem;
        }

        .qa-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0;
        }

        .faq-section {
            margin: 3rem 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .faq-item h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin: 0;
        }

        .faq-item h4 i {
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
        }

        .faq-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0.6rem 0 0;
            display: block;
        }

        .cta-conversion {
            margin: 4rem 0 2rem;
            padding: 3rem 2rem;
            background: linear-gradient(135deg, rgba(244, 63, 94, 0.15), rgba(6, 182, 212, 0.1));
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-lg);
            text-align: center;
        }

        .cta-conversion h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        .cta-conversion p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2rem;
        }

        .cta-conversion .btn-cta {
            background: linear-gradient(135deg, var(--accent-lime), #84cc16);
            border: none;
            color: var(--primary-bg);
            padding: 0.8rem 2.5rem;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.7px;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 24px rgba(163, 230, 53, 0.45);
            display: inline-block;
        }

        .cta-conversion .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 36px rgba(163, 230, 53, 0.6);
        }

        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }

        .footer-col h5 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.6px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-lime);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 2rem;
            padding-top: 1.5rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .no-updates {
            color: var(--text-muted);
            font-style: italic;
            padding: 2rem;
            text-align: center;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .qa-list {
                grid-template-columns: 1fr;
            }
            .blog-list {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .trust-grid {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .coupon-hero-wall {
                flex-direction: column;
            }
            .coupon-main .coupon-value {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .milestone-item {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-conversion {
                padding: 2rem 1rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 1rem;
            }
            .nav-actions {
                gap: 0.5rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.45rem 1rem;
                font-size: 0.75rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .coupon-side {
                flex: 1 1 auto;
            }
            .coupon-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .service-card {
                padding: 1.2rem;
            }
        }