/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-lime: #32CD32;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A8D8C8;
            --border-gold: rgba(255, 215, 0, 0.5);
            --border-card: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --transition-base: all 0.3s ease;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

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

        body {
            font-family: var(--font-heading);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .site-nav {
            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, 0.3);
            transition: var(--transition-base);
        }

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

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }

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

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

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 215, 0, 0.6);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.2);
        }

        .btn-signup {
            background: linear-gradient(135deg, #E63946, #D32F2F);
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.4);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FF4D4D, #E63946);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.6);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 8px;
        }

        /* Hero */
        .hero-section {
            padding-top: 120px;
            padding-bottom: 80px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0F3522 60%, #123E25 100%);
            position: relative;
            overflow: hidden;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid rgba(211, 47, 47, 0.5);
            color: #FF6B6B;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 20px;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.5); }
            50% { box-shadow: 0 0 0 8px rgba(211, 47, 47, 0); }
        }

        .hero-badge i {
            font-size: 0.75rem;
            color: #FF6B6B;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            color: var(--accent-gold);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #FFD700, #F0A500);
            color: #0A2E1C;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 6px 22px rgba(255, 215, 0, 0.35);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(255, 215, 0, 0.5);
        }

        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.1);
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.25);
        }

        .hero-countdown {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .countdown-item {
            background: rgba(0,0,0,0.5);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            text-align: center;
            min-width: 70px;
        }

        .countdown-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1;
        }

        .countdown-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual-inner {
            background: rgba(0,0,0,0.4);
            border: 2px solid var(--border-gold);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-gold);
            width: 100%;
            max-width: 480px;
        }

        .hero-visual-inner img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .stat-icon {
            font-size: 1.6rem;
            color: var(--accent-gold);
        }

        .stat-info .stat-val {
            font-weight: 900;
            font-size: 1.3rem;
            color: #fff;
        }

        .stat-info .stat-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Sections General */
        .section {
            padding: 80px 0;
        }

        .section-dark {
            background: #0F3522;
            position: relative;
        }

        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 900;
            margin-bottom: 16px;
            line-height: 1.2;
            color: var(--text-primary);
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 40px;
            max-width: 680px;
        }

        /* Feature Comparison Table */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            background: rgba(0,0,0,0.3);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }

        .compare-table th {
            background: var(--bg-secondary);
            padding: 18px 20px;
            text-align: left;
            font-weight: 800;
            color: var(--accent-gold);
            font-size: 0.95rem;
            border-bottom: 1px solid var(--border-gold);
        }

        .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .compare-table .highlight-row {
            background: rgba(255, 215, 0, 0.06);
        }

        .compare-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .check-icon {
            color: var(--accent-lime);
            font-size: 1.2rem;
        }

        /* Recommendation Tier */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }

        .tier-card {
            background: rgba(0,0,0,0.5);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .tier-card.popular {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .tier-card.popular::before {
            content: 'PHỔ BIẾN NHẤT';
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.7rem;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
            border-color: var(--accent-gold);
        }

        .tier-name {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: #fff;
        }

        .tier-price {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .tier-price small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        .tier-features {
            list-style: none;
            margin-bottom: 24px;
            color: var(--text-secondary);
        }

        .tier-features li {
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
        }

        .tier-features li i {
            color: var(--accent-lime);
            width: 18px;
        }

        .tier-btn {
            width: 100%;
            padding: 12px;
            border-radius: 30px;
            font-weight: 800;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .tier-btn.gold {
            background: var(--accent-gold);
            color: #0A2E1C;
        }

        .tier-btn.gold:hover {
            background: #FFE44D;
        }

        .tier-btn.outline {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
        }

        .tier-btn.outline:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        /* News List Section */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .news-list {
            list-style: none;
        }

        .news-item {
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .news-item a {
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition-base);
        }

        .news-item a:hover {
            color: var(--accent-gold);
        }

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

        .news-sidebar {
            background: rgba(0,0,0,0.4);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            position: sticky;
            top: 100px;
        }

        .news-sidebar h4 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--accent-gold);
        }

        .news-sidebar-list {
            list-style: none;
            color: var(--text-secondary);
        }

        .news-sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .news-sidebar-list li:hover {
            color: #fff;
            padding-left: 8px;
        }

        .news-sidebar-list li i {
            margin-right: 8px;
            color: var(--accent-gold);
            width: 14px;
        }

        /* Media Scroll */
        .media-scroll-wrap {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .media-scroll-wrap::-webkit-scrollbar {
            height: 6px;
        }

        .media-scroll-wrap::-webkit-scrollbar-thumb {
            background: rgba(255, 215, 0, 0.4);
            border-radius: 4px;
        }

        .media-card {
            min-width: 280px;
            max-width: 320px;
            flex-shrink: 0;
            background: rgba(0,0,0,0.5);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            scroll-snap-align: start;
            transition: var(--transition-base);
        }

        .media-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.2);
        }

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

        .media-card-body {
            padding: 16px;
        }

        .media-card-body h5 {
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 6px;
            color: #fff;
        }

        .media-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .media-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        /* Agenda Timeline */
        .timeline {
            position: relative;
            padding-left: 32px;
            border-left: 2px solid rgba(255, 215, 0, 0.3);
        }

        .timeline-item {
            margin-bottom: 32px;
            position: relative;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -38px;
            top: 6px;
            width: 12px;
            height: 12px;
            background: var(--accent-gold);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }

        .timeline-time {
            font-size: 0.8rem;
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 4px;
        }

        .timeline-title {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 4px;
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .timeline-action {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            margin-top: 8px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 20px;
        }

        .faq-item {
            background: rgba(0,0,0,0.4);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.15);
        }

        .faq-item h4 {
            font-size: 1.05rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: #fff;
        }

        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #D32F2F, #8B0000);
            padding: 60px 20px;
            text-align: center;
            border-radius: var(--radius-lg);
            margin: 0 20px 60px;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: rgba(255,255,255,0.85);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn-lg {
            background: #fff;
            color: #D32F2F;
            padding: 16px 48px;
            border-radius: 40px;
            font-weight: 900;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 8px 24px rgba(0,0,0,0.3);
        }

        .cta-btn-lg:hover {
            background: var(--accent-gold);
            color: #0A2E1C;
            transform: translateY(-3px);
        }

        /* Footer */
        .site-footer {
            background: #061E12;
            border-top: 2px solid rgba(255, 215, 0, 0.4);
            padding: 50px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-col p,
        .footer-col a {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            display: block;
            margin-bottom: 6px;
        }

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

        .footer-badges {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            padding: 8px 16px;
            border-radius: 20px;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.8rem;
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
        }

        /* FAB */
        .fab-float {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 500;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #E6A800);
            border: 3px solid #FFF;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 1.4rem;
            color: #0A2E1C;
            animation: float-slow 3s ease-in-out infinite;
        }

        .fab-float:hover {
            transform: scale(1.12);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.55);
        }

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

        .fab-float .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.7); }
            50% { box-shadow: 0 0 0 6px rgba(211, 47, 47, 0); }
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0,0,0,0.6);
            border: 1px solid #fff;
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 800;
            font-size: 0.8rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                order: -1;
            }
            .hero-visual-inner {
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-cta .btn-login,
            .nav-cta .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                margin: 0 10px 40px;
                padding: 40px 16px;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline-gold {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-lime: #32CD32;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A8D8C8;
            --border-gold: rgba(255, 215, 0, 0.5);
            --border-card: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --transition-base: all 0.3s ease;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            font-family: var(--font-heading);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        * {
            box-sizing: border-box;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-nav {
            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, 0.3);
            transition: var(--transition-base);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo i {
            font-size: 1.5rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 215, 0, 0.6);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.2);
        }
        .btn-signup {
            background: linear-gradient(135deg, #E63946, #D32F2F);
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.4);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #FF4D4D, #E63946);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.6);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 8px;
        }
        .article-header {
            padding-top: 140px;
            padding-bottom: 60px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0F3522 60%, #123E25 100%);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            text-align: left;
        }
        .article-header .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-header .article-meta .category-tag {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 4px 14px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.8rem;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        .article-header h1 {
            font-size: 2.75rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .article-content {
            padding: 60px 0;
            background: var(--bg-primary);
        }
        .article-content .content-body {
            max-width: 860px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .article-content .content-body h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-top: 48px;
            margin-bottom: 16px;
            border-left: 4px solid var(--accent-gold);
            padding-left: 16px;
        }
        .article-content .content-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-content .content-body p {
            margin-bottom: 20px;
            color: var(--text-secondary);
        }
        .article-content .content-body ul, 
        .article-content .content-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
            color: var(--text-secondary);
        }
        .article-content .content-body li {
            margin-bottom: 10px;
        }
        .article-content .content-body strong {
            color: var(--accent-gold);
            font-weight: 700;
        }
        .article-content .content-body a {
            color: var(--accent-gold);
            text-decoration: underline;
            font-weight: 600;
        }
        .article-content .content-body a:hover {
            color: #FFC200;
        }
        .article-content .content-body blockquote {
            background: rgba(255, 215, 0, 0.05);
            border-left: 4px solid var(--accent-gold);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-style: italic;
        }
        .article-content .content-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found h2 {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .not-found a {
            display: inline-block;
            background: linear-gradient(135deg, #E63946, #D32F2F);
            color: #fff;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.4);
            transition: var(--transition-base);
        }
        .not-found a:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.6);
        }
        .related-section {
            padding: 60px 0;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }
        .related-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 32px;
            text-align: left;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .related-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 20px;
        }
        .related-card .card-body .tag {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .related-card .card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .site-footer {
            background: #061F15;
            border-top: 2px solid rgba(255, 215, 0, 0.4);
            padding: 60px 0 30px;
            color: var(--text-secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .footer-col a, .footer-col p {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 12px;
            line-height: 1.5;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-gold);
            padding-left: 6px;
        }
        .footer-badges {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .badge-18 {
            background: #D32F2F;
            color: #fff;
            font-weight: 900;
            font-size: 0.85rem;
            padding: 6px 12px;
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--accent-gold);
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2A5A38, #0F3522);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
            opacity: 0.7;
            animation: float-fab 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }
        .fab-left i {
            font-size: 1.8rem;
            color: var(--accent-gold);
            transition: transform 0.3s ease;
        }
        .fab-left:hover i {
            transform: rotate(360deg);
        }
        .fab-left .notification-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes float-fab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .article-header h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .article-header h1 { font-size: 1.8rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .article-content .content-body { font-size: 1rem; }
            .nav-cta { gap: 8px; }
            .btn-login, .btn-signup { padding: 8px 16px; font-size: 0.8rem; }
        }
        @media (max-width: 520px) {
            .article-header { padding-top: 120px; }
            .article-header h1 { font-size: 1.5rem; }
            .article-content .content-body h2 { font-size: 1.4rem; }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-lime: #32CD32;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A8D8C8;
            --border-gold: rgba(255, 215, 0, 0.5);
            --border-card: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --transition-base: all 0.3s ease;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-heading);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Navigation */
        .site-nav {
            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, 0.3);
            transition: var(--transition-base);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo i {
            font-size: 1.5rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 215, 0, 0.6);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.2);
        }
        .btn-signup {
            background: linear-gradient(135deg, #E63946, #D32F2F);
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.4);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #FF4D4D, #E63946);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.6);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 8px;
        }
        /* Page Header */
        .page-header {
            padding-top: 120px;
            padding-bottom: 60px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0F3522 60%, #123E25 100%);
            position: relative;
            overflow: hidden;
        }
        .page-header-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        .page-header-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid rgba(211, 47, 47, 0.5);
            color: #FF6B6B;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .page-header h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .page-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 700px;
        }
        /* Section Common */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.6;
        }
        /* Card */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(255, 215, 0, 0.2);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* Step */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition-base);
        }
        .step-item:hover {
            border-color: var(--border-gold);
        }
        .step-number {
            width: 48px;
            height: 48px;
            min-width: 48px;
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            color: #0A2E1C;
        }
        .step-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-body p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item.active {
            border-color: var(--accent-gold);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-gold);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0F3522, #0A2E1C);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #E63946, #D32F2F);
            color: #fff;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 6px 24px rgba(211, 47, 47, 0.5);
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255, 75, 75, 0.7);
        }
        /* Footer */
        .site-footer {
            background: #071F13;
            border-top: 1px solid rgba(255, 215, 0, 0.3);
            padding: 50px 0 24px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h5 {
            font-size: 1rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            font-weight: 700;
        }
        .footer-col p, .footer-col a {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 2;
            display: block;
        }
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        .footer-badges {
            display: flex;
            gap: 10px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .badge-18 {
            background: var(--accent-red);
            color: #fff;
            font-weight: 900;
            font-size: 0.8rem;
            padding: 6px 12px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
        }
        .footer-badge {
            background: rgba(255,215,0,0.15);
            border: 1px solid rgba(255,215,0,0.3);
            color: var(--accent-gold);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid rgba(255,215,0,0.1);
            padding-top: 20px;
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: #0A2E1C;
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: var(--transition-base);
            opacity: 0.7;
            animation: pulse 2.5s infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }
        @keyframes pulse {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3); }
            50% { box-shadow: 0 4px 32px rgba(255, 215, 0, 0.6); }
        }
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .page-header h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border-gold);
            }
            .page-header h1 { font-size: 1.8rem; }
            .section { padding: 60px 0; }
            .cta-section { padding: 36px 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .step-item { flex-direction: column; }
        }
        @media (max-width: 520px) {
            .nav-cta .btn-login { padding: 8px 14px; font-size: 0.8rem; }
            .nav-cta .btn-signup { padding: 8px 16px; font-size: 0.8rem; }
            .page-header { padding-top: 100px; }
            .page-header h1 { font-size: 1.6rem; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-lime: #32CD32;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A8D8C8;
            --border-gold: rgba(255, 215, 0, 0.5);
            --border-card: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --transition-base: all 0.3s ease;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

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

        body {
            font-family: var(--font-heading);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .site-nav {
            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, 0.3);
            transition: var(--transition-base);
        }

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

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }

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

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

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 215, 0, 0.6);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.2);
        }

        .btn-signup {
            background: linear-gradient(135deg, #E63946, #D32F2F);
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.4);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FF4D4D, #E63946);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.6);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 8px;
        }

        /* Page Hero */
        .page-hero {
            padding-top: 140px;
            padding-bottom: 70px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0F3522 60%, #123E25 100%);
            position: relative;
            overflow: hidden;
            min-height: 55vh;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-gold);
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid rgba(211, 47, 47, 0.5);
            color: #FF6B6B;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 20px;
        }

        .page-hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

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

        .page-hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #C5A059, #FFD700);
            color: #0A2E1C;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.35);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(255, 215, 0, 0.5);
        }

        .page-hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid var(--border-gold);
            box-shadow: var(--shadow-card);
        }

        .page-hero-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        .hero-stats {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            background: rgba(10, 46, 28, 0.9);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            text-align: center;
            flex: 1;
            min-width: 80px;
        }

        .hero-stat-num {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--accent-gold);
        }

        .hero-stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* Section Common */
        .section {
            padding: 70px 0;
            position: relative;
        }

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

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

        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            max-width: 700px;
        }

        .section-title span {
            color: var(--accent-gold);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 620px;
        }

        /* Strategy Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

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

        .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #C5A059, #FFD700);
            color: #0A2E1C;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .step-title {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .step-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Key Indicators */
        .indicators-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .indicator-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition-base);
        }

        .indicator-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }

        .indicator-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.6rem;
            color: var(--accent-gold);
        }

        .indicator-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .indicator-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Betting Strategy */
        .strategy-block {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 40px;
        }

        .strategy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: start;
        }

        .strategy-list {
            list-style: none;
        }

        .strategy-list li {
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

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

        .strategy-list li i {
            color: var(--accent-gold);
            font-size: 1.1rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        .strategy-visual {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 2px solid var(--border-gold);
        }

        .strategy-visual img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        /* Expert Tips */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .tip-card {
            background: var(--bg-card);
            border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 28px;
            transition: var(--transition-base);
        }

        .tip-card:hover {
            border-left-color: var(--accent-red);
            box-shadow: var(--shadow-card);
        }

        .tip-card h4 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

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

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            padding: 24px 28px;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }

        .faq-question {
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

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

        .faq-answer {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-top: 12px;
            display: none;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }

        .faq-item.active .faq-answer {
            display: block;
        }

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

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0F3522, #123E25);
            border-top: 2px solid var(--border-gold);
            border-bottom: 2px solid var(--border-gold);
            padding: 60px 0;
            text-align: center;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .cta-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #071F14;
            padding: 60px 0 30px;
            border-top: 2px solid rgba(255, 215, 0, 0.3);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h5 {
            color: var(--accent-gold);
            font-weight: 800;
            font-size: 1.05rem;
            margin-bottom: 20px;
        }

        .footer-col a,
        .footer-col p {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 12px;
            line-height: 1.5;
            transition: var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--accent-gold);
            padding-left: 6px;
        }

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .badge-18 {
            background: var(--accent-red);
            color: #fff;
            font-weight: 900;
            font-size: 0.8rem;
            padding: 6px 10px;
            border-radius: 4px;
        }

        .footer-badge {
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 12px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #C5A059, #FFD700);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #0A2E1C;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: var(--transition-base);
            animation: float-fab 3s ease-in-out infinite;
        }

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

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

        /* Mobile */
        @media (max-width: 1024px) {
            .page-hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .page-hero-title {
                font-size: 2.2rem;
            }
            .indicators-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border-gold);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .steps-grid,
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .indicators-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-hero-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .cta-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                padding-top: 120px;
                min-height: auto;
            }
            .page-hero-title {
                font-size: 1.5rem;
            }
            .hero-stats {
                flex-direction: column;
                gap: 8px;
            }
            .cta-buttons {
                flex-direction: column;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-lime: #32CD32;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A8D8C8;
            --border-gold: rgba(255, 215, 0, 0.5);
            --border-card: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --transition-base: all 0.3s ease;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

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

        body {
            font-family: var(--font-heading);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navigation */
        .site-nav {
            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, 0.3);
            transition: var(--transition-base);
        }

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

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }

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

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

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 215, 0, 0.6);
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.2);
        }

        .btn-signup {
            background: linear-gradient(135deg, #E63946, #D32F2F);
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(211, 47, 47, 0.4);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #FF4D4D, #E63946);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.6);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 8px;
        }

        /* Page Header */
        .page-header {
            padding-top: 120px;
            padding-bottom: 60px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0F3522 50%, #123E25 100%);
            position: relative;
            overflow: hidden;
            min-height: 50vh;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-gold);
        }

        .header-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .header-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .header-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 20px;
        }

        .header-badge i {
            font-size: 0.75rem;
            color: var(--accent-gold);
        }

        .page-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .page-title span {
            color: var(--accent-gold);
        }

        .page-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .header-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid var(--border-gold);
            box-shadow: var(--shadow-gold);
        }

        .header-visual img {
            width: 100%;
            height: auto;
            display: block;
        }

        .header-visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 0%, rgba(10, 46, 28, 0.6) 100%);
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }

        .header-visual-tag {
            background: var(--accent-gold);
            color: #0A2E1C;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 800;
            font-size: 0.8rem;
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

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

        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .section-title span {
            color: var(--accent-gold);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 40px;
            max-width: 720px;
        }

        /* Strategy Grid */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .strategy-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

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

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

        .strategy-number {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(255, 215, 0, 0.2);
            position: absolute;
            top: 16px;
            right: 24px;
            line-height: 1;
        }

        .strategy-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;
            margin-bottom: 20px;
            color: var(--accent-gold);
            font-size: 1.5rem;
        }

        .strategy-card h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

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

        /* Scenario Cards */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .scenario-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition-base);
        }

        .scenario-item:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.15);
        }

        .scenario-thumb {
            width: 180px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            border: 2px solid var(--border-card);
        }

        .scenario-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scenario-body h4 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .scenario-body p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .scenario-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        /* Tips Grid */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 28px;
            text-align: left;
            transition: var(--transition-base);
        }

        .tip-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
        }

        .tip-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .tip-card h4 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

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

        /* FAQ Section */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
        }

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

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

        .faq-question {
            width: 100%;
            background: none;
            color: var(--text-primary);
            font-weight: 800;
            font-size: 1.05rem;
            padding: 22px 28px;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition-base);
        }

        .faq-question i {
            color: var(--accent-gold);
            font-size: 1rem;
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            padding: 0 28px 22px;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
            display: none;
        }

        .faq-answer.show {
            display: block;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        /* CTA Section */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(180deg, #0A2E1C 0%, #0F3522 50%, #123E25 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .cta-title span {
            color: var(--accent-gold);
        }

        .cta-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn-cta-primary {
            background: linear-gradient(135deg, #E63946, #D32F2F);
            color: #fff;
            padding: 16px 48px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.5);
            display: inline-block;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(211, 47, 47, 0.7);
        }

        /* Footer */
        .site-footer {
            background: #082318;
            border-top: 2px solid var(--border-gold);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .footer-col h5 {
            color: var(--accent-gold);
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 16px;
        }

        .footer-col a,
        .footer-col p {
            display: block;
            color: var(--text-muted);
            margin-bottom: 10px;
            transition: var(--transition-base);
            line-height: 1.6;
        }

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

        .footer-badges {
            display: flex;
            gap: 12px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .badge-18 {
            background: var(--accent-red);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 800;
            font-size: 0.8rem;
            border: 2px solid #fff;
        }

        .footer-badge {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A0000, #0A2E1C);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition-base);
            opacity: 0.7;
            animation: float-fab 3s ease-in-out infinite;
        }

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

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

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Mobile */
        @media (max-width: 1024px) {
            .page-title {
                font-size: 2.2rem;
            }
            .header-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-item {
                flex-direction: column;
            }
            .scenario-thumb {
                width: 100%;
                height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 24px;
                gap: 18px;
                border-bottom: 2px solid var(--border-gold);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .page-header {
                padding-top: 100px;
                min-height: auto;
            }
            .page-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .cta-title {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .nav-cta .btn-login,
            .nav-cta .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .page-title {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .strategy-card {
                padding: 24px;
            }
            .fab-support {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
        }