/* roulang page: index */
@import url('/assets/css/vendor/9723b7396f-css2.css');

        :root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: #131829;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFD700;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-blue: 0 0 20px rgba(0, 82, 255, 0.5);
            --font-heading: 'Playfair Display', serif;
            --font-body: 'Inter', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 clamp(16px, 4vw, 40px);
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-cyan);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.8);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue) 0%, #0039CC 100%);
            color: #FFFFFF;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 0 15px rgba(0, 82, 255, 0.5);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(0, 82, 255, 0.8);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 6px;
        }

        /* Hero - Full Width Shallow Banner */
        .hero-section {
            padding-top: 120px;
            padding-bottom: 50px;
            position: relative;
            background: linear-gradient(180deg, rgba(0, 82, 255, 0.08) 0%, transparent 60%);
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 540px;
            text-align: justify;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-stat-number {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue) 0%, #0039CC 100%);
            color: #FFFFFF;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 0 20px rgba(0, 82, 255, 0.6);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.9);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-cyan);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid var(--border-glow);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
        }

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

        .hero-visual-inner {
            width: 100%;
            max-width: 480px;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 0 40px rgba(0, 82, 255, 0.25), 0 20px 60px rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-subtle);
        }

        .hero-visual-inner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        .hero-badge-floating {
            position: absolute;
            top: -15px;
            right: -15px;
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
            color: #0D111E;
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
            z-index: 2;
        }

        /* Sections General */
        .section-container {
            padding: 70px 0;
            position: relative;
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--accent-cyan);
            margin-bottom: 10px;
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
            text-align: justify;
        }

        /* Trial Benefits Section */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .benefit-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .benefit-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }

        .benefit-card:hover::before {
            transform: scaleX(1);
        }

        .benefit-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.15);
            transform: translateY(-3px);
        }

        .benefit-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            display: block;
        }

        .benefit-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        /* Eligibility Section */
        .eligibility-wrap {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .eligibility-wrap::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .eligibility-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 16px;
            margin-top: 24px;
        }

        .eligibility-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .eligibility-list li:hover {
            background: rgba(0, 240, 255, 0.04);
        }

        .eligibility-list li i {
            color: var(--accent-cyan);
            font-size: 1.2rem;
            margin-top: 2px;
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
            flex-shrink: 0;
        }

        /* Articles / News List */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }

        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            background: var(--bg-secondary);
        }

        .news-list-item:hover {
            border-color: var(--border-glow);
            background: var(--bg-card);
        }

        .news-list-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            background: var(--bg-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            flex-shrink: 0;
            border: 1px solid var(--border-subtle);
        }

        .news-list-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .news-list-content h4 a {
            color: inherit;
        }

        .news-list-content h4 a:hover {
            color: var(--accent-cyan);
        }

        .news-list-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .news-sidebar {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: fit-content;
            position: sticky;
            top: 100px;
        }

        .news-sidebar h4 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

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

        .sidebar-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            background: var(--bg-primary);
        }

        .sidebar-tag:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }

        /* Membership Grid */
        .membership-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .membership-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: left;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .membership-card.featured {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
        }

        .membership-card.featured::before {
            content: 'PHỔ BIẾN NHẤT';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent-cyan);
            color: var(--bg-primary);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
        }

        .membership-card h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .membership-card .price {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }

        .membership-card ul {
            list-style: none;
            margin-bottom: 20px;
        }

        .membership-card ul li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .btn-membership {
            display: block;
            text-align: center;
            padding: 10px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid var(--accent-cyan);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-membership:hover {
            background: var(--accent-cyan);
            color: var(--bg-primary);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
        }

        .btn-membership.primary-fill {
            background: linear-gradient(135deg, var(--accent-blue), #0039CC);
            color: #fff;
            border: none;
            box-shadow: 0 0 15px rgba(0, 82, 255, 0.5);
        }

        .btn-membership.primary-fill:hover {
            box-shadow: 0 0 25px rgba(0, 82, 255, 0.8);
        }

        /* Ranking Table */
        .ranking-table-wrap {
            overflow-x: auto;
        }

        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            color: var(--text-secondary);
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .ranking-table th,
        .ranking-table td {
            padding: 14px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
        }

        .ranking-table th {
            font-weight: 700;
            color: var(--accent-cyan);
            text-transform: uppercase;
            font-size: 0.75rem;
            letter-spacing: 0.08em;
            background: rgba(0, 240, 255, 0.03);
        }

        .ranking-table tr:hover td {
            background: rgba(0, 240, 255, 0.03);
        }

        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--bg-primary);
        }

        .rank-1 {
            background: linear-gradient(135deg, #FFD700, #FFA500);
        }
        .rank-2 {
            background: linear-gradient(135deg, #C0C0C0, #9E9E9E);
        }
        .rank-3 {
            background: linear-gradient(135deg, #CD7F32, #A0522D);
        }
        .rank-other {
            background: var(--bg-primary);
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: transparent;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: none;
            cursor: pointer;
            text-align: left;
            line-height: 1.5;
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            text-align: justify;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        /* CTA Bottom */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15) 0%, rgba(0, 240, 255, 0.05) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 0 0 4px 4px;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAB Left */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.15);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-left:hover {
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.8);
            transform: scale(1.1);
            background: rgba(0, 240, 255, 0.25);
        }

        @keyframes fab-breathe {
            0%,
            100% {
                opacity: 0.7;
                transform: translateY(0);
            }
            50% {
                opacity: 1;
                transform: translateY(-6px);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-container {
                grid-template-columns: 1fr;
                text-align: left;
            }
            .hero-content .hero-desc {
                max-width: 100%;
            }
            .hero-visual {
                order: -1;
                max-width: 400px;
                margin: 0 auto;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-inner {
                height: 60px;
            }
            .hero-section {
                padding-top: 90px;
                padding-bottom: 30px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .section-container {
                padding: 40px 0;
            }
            .membership-grid {
                grid-template-columns: 1fr;
            }
            .eligibility-wrap {
                padding: 24px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .fab-left {
                left: 12px;
                bottom: 70px;
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .news-list-item {
                flex-direction: column;
            }
            .ranking-table {
                font-size: 0.75rem;
            }
            .ranking-table th,
            .ranking-table td {
                padding: 10px 12px;
            }
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(8, 9, 15, 0.97);
            z-index: 99;
            padding: 20px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: var(--accent-cyan);
            border-color: var(--border-glow);
        }

/* roulang page: article */
:root {
            --jade-dark: #0A2E1C;
            --jade-deep: #123E25;
            --jade-light: #1B4F34;
            --gold-bright: #FFD700;
            --gold-deep: #E6B800;
            --lucky-red: #D32F2F;
            --mint-soft: #D1F2EB;
            --mint-pale: #E8F5F0;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A0B8AC;
            --border-color: rgba(255, 215, 0, 0.25);
            --card-bg: rgba(18, 62, 37, 0.7);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
        }

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

        body {
            background: linear-gradient(135deg, var(--jade-dark) 0%, var(--jade-deep) 50%, #0A2E1C 100%);
            color: var(--text-primary);
            font-family: 'Inter', system-ui, sans-serif;
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

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

        .container-narrow {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 50;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            height: 64px;
        }
        .logo {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--gold-bright);
            text-decoration: none;
            letter-spacing: -0.3px;
            white-space: nowrap;
            line-height: 1.3;
        }
        .logo i {
            margin-right: 6px;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: var(--mint-soft);
            text-decoration: none;
            padding: 10px 16px;
            border-radius: 6px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.25s;
            position: relative;
        }
        .nav-links a:hover {
            background: var(--jade-light);
            color: var(--gold-bright);
        }
        .nav-links a.active {
            background: var(--jade-light);
            color: var(--gold-bright);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--gold-bright);
            border-radius: 1px;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            color: var(--gold-bright);
            font-size: 1.4rem;
            padding: 8px 12px;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .mobile-toggle:hover {
            background: var(--jade-light);
        }
        @media (max-width: 800px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.97);
                border-bottom: 1px solid var(--border-color);
                padding: 12px;
                gap: 0;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 14px 16px;
                border-radius: 6px;
                width: 100%;
            }
        }

        /* Article Hero */
        .article-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(10,46,28,0.6) 0%, rgba(18,62,37,0.5) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 80px 20px 60px;
            border-bottom: 2px solid var(--border-color);
            text-align: center;
        }
        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0,0,0,0.35);
        }
        .article-hero-content {
            position: relative;
            z-index: 1;
        }
        .article-hero .category-badge {
            display: inline-block;
            background: var(--lucky-red);
            color: #FFF;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--gold-bright);
            margin-bottom: 16px;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }
        .article-hero .meta-info {
            font-size: 0.9rem;
            color: var(--mint-soft);
            opacity: 0.85;
        }
        .article-hero .meta-info span {
            margin: 0 10px;
        }
        .article-hero .meta-info i {
            margin-right: 4px;
            color: var(--gold-bright);
        }
        @media (max-width: 768px) {
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-hero {
                padding: 60px 20px 48px;
            }
        }

        /* Pull Quote */
        .pull-quote-wrapper {
            background: var(--jade-deep);
            border-left: 4px solid var(--gold-bright);
            margin: 40px 0 32px;
            padding: 24px 28px;
            border-radius: 0 8px 8px 0;
        }
        .pull-quote-wrapper blockquote {
            font-size: 1.25rem;
            font-style: italic;
            color: var(--gold-pale);
            line-height: 1.6;
            margin: 0;
            font-weight: 500;
        }
        .pull-quote-wrapper blockquote::before {
            content: '\201C';
            font-size: 3rem;
            color: var(--gold-bright);
            line-height: 0;
            vertical-align: -14px;
            margin-right: 6px;
        }
        @media (max-width: 600px) {
            .pull-quote-wrapper blockquote {
                font-size: 1.1rem;
            }
        }

        /* Article Body */
        .article-body {
            padding: 0 0 60px;
        }
        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--gold-bright);
            margin: 40px 0 16px;
            letter-spacing: -0.3px;
        }
        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--mint-soft);
            margin: 28px 0 12px;
        }
        .article-body p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .article-body ul, .article-body ol {
            margin: 16px 0 20px 24px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .article-body li {
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .article-body strong {
            color: var(--gold-bright);
            font-weight: 600;
        }
        .article-body .highlight-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 24px 28px;
            margin: 28px 0;
        }
        .article-body .highlight-box p:last-child {
            margin-bottom: 0;
        }

        /* Content Not Found */
        .not-found-state {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-state i {
            font-size: 3rem;
            color: var(--gold-bright);
            margin-bottom: 20px;
        }
        .not-found-state h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
            color: var(--mint-soft);
        }
        .not-found-state .btn-back {
            display: inline-block;
            margin-top: 20px;
            background: var(--gold-bright);
            color: var(--jade-dark);
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.25s;
        }
        .not-found-state .btn-back:hover {
            background: var(--gold-deep);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: #082618;
            border-top: 2px solid var(--border-color);
            padding: 48px 20px 28px;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: 1200px;
            margin: 0 auto 28px;
        }
        .footer-brand h4 {
            font-size: 1.1rem;
            color: var(--gold-bright);
            margin-bottom: 10px;
        }
        .footer-brand p {
            opacity: 0.8;
            line-height: 1.6;
        }
        .footer-col h5 {
            color: var(--gold-bright);
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: var(--mint-soft);
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--gold-bright);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,215,0,0.15);
            max-width: 1200px;
            margin: 0 auto;
            font-size: 0.82rem;
            opacity: 0.7;
        }
        @media (max-width: 800px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 500px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1B4F34, #0A2E1C);
            border: 2px solid var(--gold-bright);
            box-shadow: var(--shadow-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-bright);
            font-size: 1.3rem;
            cursor: pointer;
            transition: all 0.3s;
            opacity: 0.75;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255,215,0,0.4);
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        .fab-left .notification-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 10px;
            height: 10px;
            background: var(--lucky-red);
            border-radius: 50%;
            border: 1px solid #FFF;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --border-gold: #FFD700;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            background: rgba(10, 46, 28, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            transition: var(--transition-base);
            z-index: 1001;
        }

        .logo:hover {
            color: #FFE55C;
            transform: translateY(-1px);
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-red), #FF5252);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--text-white);
            box-shadow: 0 2px 12px rgba(211, 47, 47, 0.4);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-main {
            font-size: 1.1rem;
            font-weight: 700;
        }

        .logo-sub {
            font-size: 0.7rem;
            color: var(--text-mint);
            font-weight: 400;
            opacity: 0.8;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 50px;
            text-decoration: none;
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-base);
            position: relative;
            border: 1px solid transparent;
        }

        .nav-links a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            border-color: rgba(255, 215, 0, 0.2);
        }

        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            border-color: rgba(255, 215, 0, 0.4);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-red), #E53935);
            border: none;
            color: var(--text-white);
            padding: 8px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.3);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #E53935, #C62828);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.5);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-mint);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px;
            z-index: 1001;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            padding: 120px 0 80px;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0) 0%, var(--primary-bg) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .banner-badge i {
            font-size: 0.9rem;
        }

        .banner-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-white);
            letter-spacing: -0.03em;
        }

        .banner-content h1 span {
            color: var(--accent-gold);
            display: block;
        }

        .banner-content p {
            font-size: 1.15rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 650px;
        }

        .banner-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .stat-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
        }

        .stat-info {
            display: flex;
            flex-direction: column;
        }

        .stat-number {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-mint);
        }

        /* ========== MAIN CONTENT ========== */
        .section {
            padding: 80px 0;
        }

        .section-dark {
            background-color: var(--secondary-bg);
        }

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

        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 700px;
        }

        /* Content Grid */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
        }

        .content-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .content-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
            opacity: 0;
            transition: var(--transition-base);
        }

        .content-card:hover {
            border-color: rgba(255, 215, 0, 0.3);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .content-card:hover::before {
            opacity: 1;
        }

        .card-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .content-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }

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

        .card-tag {
            display: inline-block;
            background: rgba(211, 47, 47, 0.15);
            color: #FF5252;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 16px;
        }

        /* Steps Timeline */
        .steps-timeline {
            position: relative;
            padding-left: 40px;
        }

        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-gold), var(--accent-red));
        }

        .step-item {
            position: relative;
            margin-bottom: 48px;
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-number {
            position: absolute;
            left: -40px;
            top: 0;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--text-dark);
            font-size: 0.9rem;
            z-index: 2;
        }

        .step-content {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
        }

        .step-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .step-content p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.65;
        }

        .step-highlight {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 12px;
        }

        /* Table Styles */
        .rules-table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }

        .rules-table {
            width: 100%;
            border-collapse: collapse;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .rules-table thead {
            background: rgba(255, 215, 0, 0.1);
        }

        .rules-table th {
            padding: 16px 20px;
            text-align: left;
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.95rem;
            border-bottom: 2px solid rgba(255, 215, 0, 0.3);
        }

        .rules-table td {
            padding: 14px 20px;
            color: var(--text-mint);
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }

        .rules-table tbody tr:hover {
            background: rgba(255, 215, 0, 0.05);
        }

        .table-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .table-badge.gold {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }

        .table-badge.red {
            background: rgba(211, 47, 47, 0.15);
            color: #FF5252;
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            gap: 16px;
            max-width: 900px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.3);
            background: rgba(255, 255, 255, 0.05);
        }

        .faq-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h4 i {
            color: var(--accent-gold);
            font-size: 1.1rem;
        }

        .faq-item p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.6;
            margin-left: 26px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.2), rgba(255, 215, 0, 0.1));
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
        }

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-red), #E53935);
            color: var(--text-white);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            text-decoration: none;
            transition: var(--transition-base);
            box-shadow: 0 6px 24px rgba(211, 47, 47, 0.4);
            border: none;
            cursor: pointer;
        }

        .btn-cta:hover {
            background: linear-gradient(135deg, #E53935, #C62828);
            box-shadow: 0 8px 32px rgba(211, 47, 47, 0.6);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            text-decoration: none;
            transition: var(--transition-base);
            margin-left: 16px;
        }

        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.2);
        }

        /* Image showcase */
        .image-showcase {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .image-showcase img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* FAB */
        .fab-main {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #1A1A1A, #0D0D0D);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: var(--shadow-gold);
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
        }

        .fab-main:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

        .fab-main:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        @keyframes pulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.6); }
            50% { box-shadow: 0 0 0 8px rgba(211, 47, 47, 0); }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.6;
            opacity: 0.8;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-mint);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition-base);
            opacity: 0.7;
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
            opacity: 1;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-mint);
            opacity: 0.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            }

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

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

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 100px 32px 40px;
                gap: 16px;
                transition: right 0.3s ease;
                border-left: 1px solid rgba(255, 215, 0, 0.2);
                z-index: 1000;
            }

            .nav-links.active {
                right: 0;
            }

            .nav-links a {
                width: 100%;
                text-align: left;
                padding: 12px 20px;
                font-size: 1.05rem;
            }

            .nav-actions {
                gap: 8px;
            }

            .btn-login, .btn-signup {
                padding: 6px 16px;
                font-size: 0.85rem;
            }

            .page-banner {
                padding: 100px 0 60px;
            }

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

            .banner-content p {
                font-size: 1rem;
            }

            .banner-stats {
                gap: 20px;
            }

            .section {
                padding: 50px 0;
            }

            .section-title {
                font-size: 1.7rem;
            }

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

            .cta-section {
                padding: 40px 24px;
            }

            .cta-section h3 {
                font-size: 1.4rem;
            }

            .btn-outline {
                margin-left: 0;
                margin-top: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .steps-timeline {
                padding-left: 32px;
            }

            .step-number {
                left: -32px;
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }

            .step-content {
                padding: 20px;
            }

            .rules-table th, .rules-table td {
                padding: 10px 12px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo-main {
                font-size: 0.95rem;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1.1rem;
            }

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

            .banner-stats {
                flex-direction: column;
                gap: 16px;
            }

            .fab-main {
                left: 16px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }

            .btn-cta, .btn-outline {
                width: 100%;
                justify-content: center;
                margin-left: 0;
            }

            .cta-section {
                padding: 32px 20px;
            }

            .content-card {
                padding: 24px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B1A30;
            --bg-secondary: #0F0C20;
            --bg-card: #132040;
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --border-color: rgba(0, 240, 255, 0.2);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 4px 25px rgba(0, 0, 0, 0.4);
            --radius-md: 12px;
            --radius-lg: 20px;
        }

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

        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

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

        button, input, textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background 0.4s ease;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--accent-cyan);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
            white-space: nowrap;
            line-height: 1.3;
        }

        .nav-logo span {
            display: block;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--accent-lime);
            letter-spacing: 1px;
            text-shadow: none;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.25s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .nav-links a:hover {
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        .nav-links a.active {
            background: var(--accent-cyan);
            color: #0B1A30;
            font-weight: 700;
            box-shadow: var(--shadow-neon);
            border-color: var(--accent-cyan);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 16px;
        }

        .btn-login {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            padding: 8px 12px;
            transition: color 0.3s;
        }

        .btn-login:hover {
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: var(--accent-lime);
            color: #0B1A30;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            cursor: pointer;
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 0 12px rgba(204, 255, 0, 0.4);
        }

        .btn-signup:hover {
            background: #e6ff4d;
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.7);
            transform: translateY(-2px);
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Hero Category */
        .hero-category {
            padding: 140px 0 80px;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 60%);
            position: relative;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .hero-grid {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
        }

        .hero-text {
            flex: 1;
        }

        .hero-label {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

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

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-lime);
            text-shadow: 0 0 15px rgba(204, 255, 0, 0.5);
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .hero-media {
            flex: 1;
            position: relative;
        }

        .media-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid var(--accent-cyan);
            box-shadow: var(--shadow-neon), var(--shadow-card);
            position: relative;
        }

        .media-frame img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .countdown-badge {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(15, 12, 32, 0.9);
            backdrop-filter: blur(10px);
            border: 1px solid var(--accent-cyan);
            padding: 12px 24px;
            border-radius: 50px;
            color: var(--accent-lime);
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 1px;
            text-shadow: 0 0 10px rgba(204, 255, 0, 0.5);
            white-space: nowrap;
        }

        /* Section Base */
        section {
            padding: 80px 0;
        }

        .section-heading {
            margin-bottom: 50px;
        }

        .section-heading h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-heading h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

        .section-heading p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
        }

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

        /* Strategy Cards Grid */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }

        .strategy-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .strategy-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.25);
            transform: translateY(-6px);
        }

        .strategy-card .icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .strategy-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .strategy-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 18px;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(204, 255, 0, 0.1);
            color: var(--accent-lime);
            border: 1px solid rgba(204, 255, 0, 0.3);
        }

        /* Comparison Table */
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .comparison-table thead {
            background: rgba(0, 240, 255, 0.1);
        }

        .comparison-table th {
            padding: 16px 20px;
            text-align: left;
            font-weight: 700;
            color: var(--accent-cyan);
            font-size: 0.95rem;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
        }

        .comparison-table td {
            padding: 14px 20px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
            font-size: 0.9rem;
        }

        .highlight-row {
            background: rgba(204, 255, 0, 0.05);
        }

        .highlight-row td {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Tips Timeline */
        .tips-timeline {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: relative;
        }

        .tips-timeline::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-lime));
        }

        .timeline-item {
            display: flex;
            gap: 24px;
            padding-left: 48px;
            position: relative;
        }

        .timeline-dot {
            position: absolute;
            left: 11px;
            top: 6px;
            width: 18px;
            height: 18px;
            background: var(--accent-cyan);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
            z-index: 2;
        }

        .timeline-content {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 24px;
            flex: 1;
        }

        .timeline-content h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--accent-lime);
        }

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

        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(204, 255, 0, 0.06) 100%);
            border: 2px solid var(--accent-cyan);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-block p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 28px;
        }

        .btn-cta-primary {
            display: inline-block;
            background: var(--accent-lime);
            color: #0B1A30;
            font-weight: 800;
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.4);
            cursor: pointer;
            border: none;
        }

        .btn-cta-primary:hover {
            background: #e6ff4d;
            box-shadow: 0 0 35px rgba(204, 255, 0, 0.7);
            transform: translateY(-3px);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.15);
        }

        .faq-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-item p {
            color: var(--text-secondary);
            margin-top: 12px;
            font-size: 0.95rem;
            line-height: 1.65;
        }

        .faq-item .faq-icon {
            color: var(--accent-cyan);
            font-size: 1.2rem;
            transition: transform 0.3s;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 2px solid var(--accent-cyan);
            padding: 60px 0 30px;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50px;
            background: rgba(15, 12, 32, 0.7);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            transition: all 0.3s ease;
            opacity: 0.75;
        }

        .fab-float:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
            transform: scale(1.08);
        }

        @media (max-width: 1024px) {
            .hero-grid {
                flex-direction: column;
                gap: 36px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .nav-links a {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                right: 0;
                background: rgba(15, 12, 32, 0.95);
                backdrop-filter: blur(20px);
                width: 260px;
                padding: 20px;
                border-radius: 0 0 0 20px;
                border: 1px solid var(--border-color);
                gap: 12px;
                z-index: 99;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .nav-auth {
                margin-left: 8px;
            }
            section {
                padding: 50px 0;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .comparison-table {
                font-size: 0.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-category {
                padding: 120px 0 50px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .countdown-badge {
                font-size: 0.9rem;
                padding: 8px 16px;
            }
            .cta-block {
                padding: 40px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --border-gold: #FFCC00;
            --shadow-gold: 0 4px 20px rgba(255, 204, 0, 0.3);
            --radius-md: 12px;
            --radius-lg: 20px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
        }

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

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        /* Navigation */
        .site-header {
            background: rgba(6, 35, 21, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 2px solid rgba(255, 204, 0, 0.3);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: color 0.3s;
        }

        .logo-text i {
            font-size: 1.5rem;
            color: var(--accent-lime);
        }

        .logo-text:hover {
            color: var(--accent-lime);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.5rem;
            align-items: center;
        }

        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.1);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 4px;
        }

        .auth-buttons {
            display: flex;
            gap: 0.75rem;
            align-items: center;
        }

        .btn-login {
            color: var(--accent-gold);
            background: transparent;
            border: 1px solid var(--accent-gold);
            padding: 0.5rem 1.25rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(255, 204, 0, 0.15);
            color: #FFF;
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #FFD700);
            color: #062315;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9rem;
            box-shadow: 0 4px 12px rgba(255, 204, 0, 0.4);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FFD700, #FFCC00);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 204, 0, 0.6);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.25rem;
        }

        /* Hero Section */
        .hero-category {
            background: linear-gradient(135deg, #062315 0%, #0B3C25 50%, #0A2E1C 100%);
            position: relative;
            overflow: hidden;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            border-bottom: 4px solid var(--accent-gold);
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .hero-category .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .hero-content {
            text-align: left;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(50, 205, 50, 0.2);
            color: var(--accent-lime);
            border: 1px solid var(--accent-lime);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-sm);
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
        }

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-light);
            margin-bottom: var(--spacing-md);
            line-height: 1.7;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, #FFCC00, #FFD700);
            color: #062315;
            padding: 0.9rem 2.5rem;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 6px 20px rgba(255, 204, 0, 0.4);
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(255, 204, 0, 0.6);
            background: linear-gradient(135deg, #FFD700, #FFEA00);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid var(--text-light);
            color: var(--text-white);
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

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

        .hero-visual img {
            max-width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7);
            border: 3px solid rgba(255, 204, 0, 0.4);
            transition: transform 0.4s ease;
        }

        .hero-visual img:hover {
            transform: scale(1.02);
        }

        /* Section Styles */
        .section {
            padding: var(--spacing-xl) 0;
        }

        .section-header {
            text-align: left;
            margin-bottom: var(--spacing-lg);
        }

        .section-label {
            display: inline-block;
            color: var(--accent-lime);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 700px;
        }

        /* Strategy Cards */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .strategy-card {
            background: rgba(6, 35, 21, 0.8);
            border: 1px solid rgba(255, 204, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-gold), var(--accent-lime));
            border-radius: 0;
        }

        .strategy-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-6px);
            box-shadow: 0 12px 28px rgba(255, 204, 0, 0.25);
            background: rgba(11, 60, 37, 0.9);
        }

        .card-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .strategy-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #FFF;
        }

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

        .card-stat {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1rem;
            font-weight: 700;
            color: var(--accent-lime);
        }

        /* Data Dashboard */
        .data-dashboard {
            background: rgba(6, 35, 21, 0.7);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid rgba(255, 204, 0, 0.3);
            margin-bottom: var(--spacing-lg);
        }

        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            text-align: center;
        }

        .metric-item {
            padding: var(--spacing-sm);
        }

        .metric-value {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 0.5rem;
        }

        /* Comparison Table */
        .comparison-section {
            background: rgba(6, 35, 21, 0.5);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid rgba(255, 204, 0, 0.2);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .comparison-card {
            background: rgba(11, 60, 37, 0.6);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
        }

        .comparison-card.good {
            border-left: 4px solid var(--accent-lime);
        }

        .comparison-card.bad {
            border-left: 4px solid #FF4500;
        }

        .comparison-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #FFF;
        }

        .comparison-list {
            list-style: none;
            padding: 0;
        }

        .comparison-list li {
            padding: 0.5rem 0;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
        }

        .comparison-list li i.fa-check {
            color: var(--accent-lime);
        }

        .comparison-list li i.fa-times {
            color: #FF4500;
        }

        /* FAQ Section */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: rgba(6, 35, 21, 0.7);
            border: 1px solid rgba(255, 204, 0, 0.25);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 4px 16px rgba(255, 204, 0, 0.2);
        }

        .faq-question {
            padding: 1.25rem 1.5rem;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #FFF;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color 0.3s;
        }

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

        .faq-question i {
            color: var(--accent-gold);
            transition: transform 0.3s;
        }

        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #062315, #0B3C25);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
            border: 2px solid var(--accent-gold);
            box-shadow: 0 8px 30px rgba(255, 204, 0, 0.3);
            margin: var(--spacing-xl) 0;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: var(--text-light);
            font-size: 1.1rem;
            margin-bottom: var(--spacing-md);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: #041A10;
            border-top: 3px solid var(--accent-gold);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand h4 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-col h5 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 0.75rem;
            font-size: 1rem;
        }

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

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

        .footer-col a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 204, 0, 0.2);
            padding-top: var(--spacing-sm);
            text-align: center;
            color: var(--text-light);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            background: rgba(6, 35, 21, 0.9);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
            animation: floatVertical 2.5s ease-in-out infinite;
        }

        .fab-left:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 28px rgba(255, 204, 0, 0.7);
            background: #0B3C25;
        }

        .fab-left i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        @keyframes floatVertical {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-category .container {
                grid-template-columns: 1fr;
            }
            .strategy-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metrics-row {
                grid-template-columns: 1fr 1fr;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #062315;
                padding: 1rem;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-links.active-mobile {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .auth-buttons {
                gap: 0.5rem;
            }
            .btn-login, .btn-signup {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .metrics-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 520px) {
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary, .btn-outline-light {
                width: 100%;
                text-align: center;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
        }