/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-pale: #D1F2EB;
            --border-gold: #FFD700;
            --shadow-gold: rgba(255, 215, 0, 0.3);
            --shadow-dark: rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, .btn {
            border: none;
            cursor: pointer;
            font-family: inherit;
            transition: all 0.3s ease;
        }
        
        input, textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        
        /* Header & Navigation */
        header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px var(--shadow-dark);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            gap: var(--spacing-md);
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            white-space: nowrap;
        }
        
        .logo i {
            font-size: 32px;
            filter: drop-shadow(0 0 8px var(--shadow-gold));
        }
        
        .nav-center {
            display: flex;
            gap: var(--spacing-md);
            flex: 1;
            justify-content: center;
        }
        
        .nav-center a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-pale);
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .nav-center a:hover,
        .nav-center a.active {
            background: var(--accent-gold);
            color: var(--primary-bg);
            transform: translateY(-2px);
        }
        
        .nav-right {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        
        .search-box input {
            padding: 8px 36px 8px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-white);
            width: 200px;
            transition: all 0.3s ease;
        }
        
        .search-box input::placeholder {
            color: var(--text-pale);
        }
        
        .search-box input:focus {
            background: rgba(255, 255, 255, 0.15);
            width: 240px;
        }
        
        .search-box i {
            position: absolute;
            right: 12px;
            color: var(--accent-gold);
        }
        
        .btn-login {
            padding: 8px 20px;
            color: var(--text-white);
            font-weight: 500;
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-signup {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            border-radius: 24px;
            box-shadow: 0 4px 15px var(--shadow-gold);
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px var(--shadow-gold);
        }
        
        .mobile-toggle {
            display: none;
            font-size: 24px;
            color: var(--accent-gold);
            cursor: pointer;
        }
        
        /* Hero Section */
        .hero {
            margin-top: 80px;
            position: relative;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(18, 62, 37, 0.85) 100%);
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: var(--spacing-xl) 0;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: var(--accent-red);
            color: var(--text-white);
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: var(--spacing-sm);
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        
        h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-md);
            color: var(--accent-gold);
            text-shadow: 0 4px 20px var(--shadow-gold);
        }
        
        .hero-desc {
            font-size: 18px;
            color: var(--text-pale);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }
        
        .hero-cta {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        
        .btn-primary {
            padding: 16px 40px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            font-size: 18px;
            border-radius: var(--radius-md);
            box-shadow: 0 6px 25px var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px var(--shadow-gold);
        }
        
        .btn-secondary {
            padding: 16px 40px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            color: var(--text-white);
            font-weight: 600;
            font-size: 18px;
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-md);
        }
        
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
        }
        
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .stat-item {
            text-align: center;
            padding: var(--spacing-sm);
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-gold);
        }
        
        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent-gold);
            display: block;
        }
        
        .stat-label {
            font-size: 14px;
            color: var(--text-pale);
            margin-top: 4px;
        }
        
        /* Platform Features */
        .section {
            padding: var(--spacing-xl) 0;
        }
        
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto var(--spacing-lg);
        }
        
        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .section-desc {
            font-size: 16px;
            color: var(--text-pale);
            line-height: 1.7;
        }
        
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }
        
        .platform-card {
            background: linear-gradient(135deg, rgba(18, 62, 37, 0.8) 0%, rgba(10, 46, 28, 0.6) 100%);
            backdrop-filter: blur(10px);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .platform-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, var(--shadow-gold) 0%, transparent 70%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .platform-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 40px var(--shadow-gold);
            border-color: var(--accent-gold);
        }
        
        .platform-card:hover::before {
            opacity: 1;
        }
        
        .platform-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-red);
            color: var(--text-white);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 700;
        }
        
        .platform-header {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-sm);
        }
        
        .platform-icon {
            width: 60px;
            height: 60px;
            background: var(--accent-gold);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary-bg);
            flex-shrink: 0;
        }
        
        .platform-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-gold);
        }
        
        .platform-subtitle {
            font-size: 14px;
            color: var(--text-pale);
        }
        
        .platform-content p {
            color: var(--text-pale);
            margin-bottom: var(--spacing-sm);
            line-height: 1.6;
        }
        
        .platform-features {
            list-style: none;
            margin-top: var(--spacing-sm);
        }
        
        .platform-features li {
            padding: 6px 0;
            color: var(--text-pale);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .platform-features li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--accent-gold);
        }
        
        .platform-cta {
            margin-top: var(--spacing-sm);
            padding: 12px 24px;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 700;
            border-radius: var(--radius-sm);
            display: inline-block;
            width: 100%;
            text-align: center;
        }
        
        .platform-cta:hover {
            background: #FFA500;
            transform: scale(1.02);
        }
        
        /* Comparison Table */
        .comparison-section {
            background: rgba(18, 62, 37, 0.3);
        }
        
        .comparison-table {
            background: rgba(10, 46, 28, 0.6);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid var(--accent-gold);
        }
        
        .table-row {
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: var(--spacing-sm);
            padding: var(--spacing-sm);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            align-items: center;
        }
        
        .table-row:last-child {
            border-bottom: none;
        }
        
        .table-header {
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 700;
        }
        
        .table-cell {
            padding: var(--spacing-xs);
            text-align: center;
        }
        
        .table-cell:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--accent-gold);
        }
        
        .check-icon {
            color: #32CD32;
            font-size: 20px;
        }
        
        .cross-icon {
            color: var(--accent-red);
            font-size: 20px;
        }
        
        /* Featured Section */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
        }
        
        .featured-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 320px;
        }
        
        .featured-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .featured-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 46, 28, 0.95) 0%, transparent 60%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--spacing-md);
            transition: all 0.3s ease;
        }
        
        .featured-card:hover .featured-overlay {
            background: linear-gradient(to top, rgba(10, 46, 28, 0.98) 0%, rgba(10, 46, 28, 0.7) 100%);
        }
        
        .featured-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--accent-red);
            color: var(--text-white);
            border-radius: 12px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 8px;
            width: fit-content;
        }
        
        .featured-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        
        .featured-desc {
            font-size: 14px;
            color: var(--text-pale);
            line-height: 1.5;
        }
        
        /* News Section */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-lg);
        }
        
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        
        .news-item {
            display: flex;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm);
            background: rgba(18, 62, 37, 0.4);
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }
        
        .news-item:hover {
            background: rgba(18, 62, 37, 0.6);
            border-color: var(--accent-gold);
            transform: translateX(8px);
        }
        
        .news-date {
            flex-shrink: 0;
            width: 60px;
            text-align: center;
        }
        
        .news-day {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent-gold);
            display: block;
        }
        
        .news-month {
            font-size: 12px;
            color: var(--text-pale);
        }
        
        .news-content h3 {
            font-size: 18px;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }
        
        .news-excerpt {
            font-size: 14px;
            color: var(--text-pale);
            line-height: 1.5;
        }
        
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        
        .sidebar-card {
            padding: var(--spacing-md);
            background: rgba(18, 62, 37, 0.5);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-md);
        }
        
        .sidebar-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .sidebar-list {
            list-style: none;
        }
        
        .sidebar-list li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }
        
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        
        .sidebar-list a {
            color: var(--text-pale);
            display: block;
        }
        
        .sidebar-list a:hover {
            color: var(--accent-gold);
            padding-left: 8px;
        }
        
        /* Trust Section */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-md);
            text-align: center;
        }
        
        .trust-item {
            padding: var(--spacing-md);
            background: rgba(18, 62, 37, 0.4);
            border-radius: var(--radius-md);
            border: 1px solid var(--accent-gold);
        }
        
        .trust-icon {
            font-size: 48px;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .trust-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        
        .trust-desc {
            font-size: 14px;
            color: var(--text-pale);
            line-height: 1.5;
        }
        
        /* FAQ Section */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: var(--spacing-sm);
            background: rgba(18, 62, 37, 0.4);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        
        .faq-question {
            padding: var(--spacing-sm) var(--spacing-md);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }
        
        .faq-question:hover {
            background: rgba(18, 62, 37, 0.6);
        }
        
        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            color: var(--text-pale);
            line-height: 1.7;
            font-size: 15px;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            text-align: center;
            padding: var(--spacing-xl) 0;
        }
        
        .cta-section h2 {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary-bg);
            margin-bottom: var(--spacing-sm);
        }
        
        .cta-section p {
            font-size: 18px;
            color: var(--secondary-bg);
            margin-bottom: var(--spacing-lg);
        }
        
        .cta-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-cta-dark {
            padding: 16px 40px;
            background: var(--primary-bg);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 18px;
            border-radius: var(--radius-md);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-cta-dark:hover {
            background: var(--secondary-bg);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px var(--shadow-dark);
        }
        
        .btn-cta-light {
            padding: 16px 40px;
            background: var(--text-white);
            color: var(--primary-bg);
            font-weight: 700;
            font-size: 18px;
            border-radius: var(--radius-md);
        }
        
        .btn-cta-light:hover {
            background: var(--text-pale);
            transform: translateY(-3px);
        }
        
        /* Footer */
        footer {
            background: var(--primary-bg);
            border-top: 2px solid var(--accent-gold);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        
        .footer-col h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-col p {
            color: var(--text-pale);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-col ul {
            list-style: none;
        }
        
        .footer-col li {
            margin-bottom: 8px;
        }
        
        .footer-col a {
            color: var(--text-pale);
        }
        
        .footer-col a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        
        .payment-methods {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-top: var(--spacing-sm);
        }
        
        .payment-badge {
            padding: 8px 16px;
            background: var(--accent-gold);
            color: var(--primary-bg);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
        }
        
        .footer-bottom {
            text-align: center;            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            color: var(--text-pale);
            font-size: 14px;
        }

        .footer-legal {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-sm);
        }

        .age-badge {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 2px solid var(--accent-red);
            color: var(--accent-red);
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .license-tag {
            padding: 6px 14px;
            border: 1px solid var(--accent-gold);
            border-radius: 20px;
            color: var(--accent-gold);
            font-size: 13px;
            font-weight: 600;
        }

        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 950;
            width: 62px;
            height: 62px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #1d1d1d 0%, #0b0b0b 70%);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 24px;
            opacity: 0.75;
            box-shadow: 0 4px 20px var(--shadow-gold);
            animation: fabFloat 3.2s ease-in-out infinite;
        }

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

        .fab i {
            transition: transform 0.45s ease;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.55);
        }

        .fab:hover i {
            transform: rotate(360deg);
        }

        .fab:focus-visible {
            outline: 3px solid var(--text-pale);
            outline-offset: 4px;
        }

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

        .fab-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #E4002B;
            box-shadow: 0 0 8px #E4002B;
            animation: pulse 1.4s infinite;
        }

        /* Tier cards */
        .tier-layout {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .tier-stack {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .tier-row {
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
            padding: var(--spacing-sm);
            border-left: 3px solid var(--accent-gold);
            background: rgba(18, 62, 37, 0.35);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            transition: all 0.3s ease;
        }

        .tier-row:hover {
            background: rgba(18, 62, 37, 0.6);
            transform: translateX(6px);
        }

        .tier-rank {
            font-size: 26px;
            font-weight: 800;
            color: var(--accent-gold);
            min-width: 44px;
        }

        .tier-row h3 {
            font-size: 17px;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .tier-row p {
            font-size: 14px;
            color: var(--text-pale);
            line-height: 1.6;
        }

        .tier-meta {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .chip {
            padding: 4px 12px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.14);
            border: 1px solid rgba(255, 215, 0, 0.4);
            color: var(--accent-gold);
            font-size: 12px;
            font-weight: 600;
        }

        .tier-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid var(--accent-gold);
            box-shadow: 0 12px 40px var(--shadow-dark);
        }

        .tier-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .tier-visual-note {
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 16px;
            padding: 14px 18px;
            background: rgba(10, 46, 28, 0.9);
            border: 1px solid rgba(255, 215, 0, 0.5);
            border-radius: var(--radius-md);
            font-size: 14px;
            color: var(--text-pale);
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: var(--spacing-md);
            counter-reset: step;
        }

        .step-item {
            padding: var(--spacing-md) var(--spacing-sm);
            border-top: 3px solid var(--accent-gold);
            background: rgba(10, 46, 28, 0.55);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .step-item h3 {
            font-size: 17px;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-pale);
            line-height: 1.6;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 28px;
            max-width: 860px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-gold), rgba(255, 215, 0, 0.15));
        }

        .timeline-item {
            position: relative;
            padding-bottom: var(--spacing-md);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -25px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-gold);
            box-shadow: 0 0 10px var(--shadow-gold);
        }

        .timeline-time {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-red);
            letter-spacing: 0.5px;
        }

        .timeline-item h3 {
            font-size: 18px;
            color: var(--accent-gold);
            margin: 4px 0 6px;
        }

        .timeline-item p {
            color: var(--text-pale);
            font-size: 14px;
            line-height: 1.65;
        }

        /* Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }

        .review-item {
            padding: var(--spacing-md);
            background: rgba(18, 62, 37, 0.45);
            border: 1px solid rgba(255, 215, 0, 0.35);
            border-radius: var(--radius-md);
        }

        .stars {
            color: var(--accent-gold);
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .review-item p {
            color: var(--text-pale);
            font-size: 14px;
            line-height: 1.65;
            margin-bottom: 12px;
        }

        .review-author {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-gold);
        }

        .proof-bar {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
            padding: var(--spacing-md);
            background: rgba(10, 46, 28, 0.6);
            border-radius: var(--radius-md);
            border: 1px dashed rgba(255, 215, 0, 0.45);
        }

        .proof-bar div {
            text-align: center;
        }

        .proof-bar strong {
            display: block;
            font-size: 24px;
            color: var(--accent-gold);
        }

        .proof-bar span {
            font-size: 13px;
            color: var(--text-pale);
        }

        .empty-state {
            padding: var(--spacing-md);
            text-align: center;
            color: var(--text-pale);
            background: rgba(18, 62, 37, 0.4);
            border: 1px dashed rgba(255, 215, 0, 0.4);
            border-radius: var(--radius-md);
        }

        .lead-band {
            margin-top: var(--spacing-md);
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
        }

        .lead-band input {
            padding: 14px 18px;
            border-radius: var(--radius-md);
            min-width: 260px;
            background: rgba(10, 46, 28, 0.12);
            border: 2px solid var(--primary-bg);
            color: var(--primary-bg);
            font-weight: 600;
        }

        .lead-band input::placeholder {
            color: rgba(10, 46, 28, 0.6);
        }

        .lead-band input:focus {
            background: #fff;
        }

        @media (max-width: 1024px) {
            h1 { font-size: 38px; }
            .section-title { font-size: 30px; }
            .news-layout { grid-template-columns: 1fr; }
            .tier-layout { grid-template-columns: 1fr; }
            .tier-visual img { height: 320px; }
            .nav-center { gap: 10px; }
            .search-box input { width: 150px; }
        }

        @media (max-width: 768px) {
            nav { flex-wrap: wrap; }
            .mobile-toggle { display: block; order: 2; }
            .nav-center {
                order: 4;
                width: 100%;
                display: none;
                flex-direction: column;
                gap: 6px;
                padding-top: var(--spacing-sm);
                border-top: 1px solid rgba(255, 215, 0, 0.25);
            }
            .nav-center.open { display: flex; }
            .nav-center a { text-align: left; }
            .nav-right { order: 3; gap: 10px; }
            .search-box { display: none; }
            .hero { margin-top: 74px; min-height: auto; }
            h1 { font-size: 30px; }
            .hero-desc { font-size: 16px; }
            .table-row {
                grid-template-columns: 1fr;
                gap: 6px;
                text-align: left;
            }
            .table-header { display: none; }
            .table-cell { text-align: left; }
            .table-cell:not(:first-child)::before {
                content: attr(data-label) ': ';
                color: var(--accent-gold);
                font-weight: 700;
            }
            .cta-section h2 { font-size: 28px; }
            .section { padding: var(--spacing-lg) 0; }
        }

        @media (max-width: 520px) {
            .logo { font-size: 14px; }
            .logo i { font-size: 24px; }
            h1 { font-size: 26px; }
            .btn-primary, .btn-secondary, .btn-cta-dark, .btn-cta-light {
                width: 100%;
                justify-content: center;
                font-size: 16px;
                padding: 14px 20px;
            }
            .btn-signup { padding: 8px 16px; font-size: 14px; }
            .hero-cta { flex-direction: column; }
            .featured-card { height: 250px; }
            .fab { left: 14px; bottom: 84px; width: 54px; height: 54px; font-size: 20px; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #1A4A2E;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A8C7BC;
            --border-color: rgba(255, 215, 0, 0.2);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 20px rgba(255, 215, 0, 0.15);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-md);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 24px;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .logo i {
            font-size: 24px;
            filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.4));
        }
        
        .logo:hover {
            transform: translateY(-2px);
            text-shadow: 0 0 12px rgba(255, 215, 0, 0.6);
        }
        
        .mobile-toggle {
            display: none;
            font-size: 24px;
            color: var(--accent-gold);
            cursor: pointer;
            padding: 8px;
        }
        
        .nav-center {
            display: flex;
            gap: 32px;
            flex: 1;
            justify-content: center;
        }
        
        .nav-center a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.3s;
            position: relative;
            padding: 8px 0;
        }
        
        .nav-center a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s;
        }
        
        .nav-center a:hover,
        .nav-center a.active {
            color: var(--accent-gold);
        }
        
        .nav-center a:hover::after,
        .nav-center a.active::after {
            width: 100%;
        }
        
        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        
        .search-box input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 8px 40px 8px 16px;
            color: var(--text-primary);
            font-size: 14px;
            width: 220px;
            transition: all 0.3s;
        }
        
        .search-box input:focus {
            outline: none;
            border-color: var(--accent-gold);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
        }
        
        .search-box i {
            position: absolute;
            right: 16px;
            color: var(--text-muted);
            pointer-events: none;
        }
        
        .btn-login {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            transition: all 0.3s;
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: #000;
            text-decoration: none;
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 24px;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
        }
        
        .article-hero {
            background: linear-gradient(180deg, rgba(18, 62, 37, 0.9) 0%, rgba(10, 46, 28, 0.95) 100%),
                        url('/assets/images/backpic/back-1.jpg') center/cover;
            padding: 60px 0 40px;
            margin-top: -1px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        
        .breadcrumb i {
            font-size: 12px;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .meta-item i {
            color: var(--accent-gold);
        }
        
        .category-badge {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        
        .article-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
        }
        
        .article-excerpt {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 800px;
        }
        
        .article-main {
            padding: 60px 0;
        }
        
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        
        .article-content {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-md);
            max-width: 100%;
        }
        
        .article-content h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 40px 0 20px;
            line-height: 1.3;
        }
        
        .article-content h2:first-child {
            margin-top: 0;
        }
        
        .article-content h3 {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 32px 0 16px;
        }
        
        .article-content p {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        
        .article-content ul,
        .article-content ol {
            margin: 20px 0 20px 24px;
            color: var(--text-secondary);
        }
        
        .article-content li {
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 12px;
        }
        
        .article-content a {
            color: var(--accent-gold);
            text-decoration: none;
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            transition: all 0.3s;
        }
        
        .article-content a:hover {
            border-bottom-color: var(--accent-gold);
        }
        
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        
        .article-content blockquote {
            background: rgba(255, 215, 0, 0.08);
            border-left: 4px solid var(--accent-gold);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: var(--radius-sm);
            font-style: italic;
            color: var(--text-secondary);
        }
        
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 16px;
        }
        
        .article-content th,
        .article-content td {
            padding: 12px;
            border: 1px solid var(--border-color);
            text-align: left;
        }
        
        .article-content th {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-weight: 600;
        }
        
        .not-found {
            text-align: center;
            padding: 80px 20px;
        }
        
        .not-found i {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        
        .not-found h2 {
            font-size: 32px;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        
        .not-found p {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }
        
        .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: #000;
            text-decoration: none;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 28px;
            transition: all 0.3s;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }
        
        .btn-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
        }
        
        .sidebar {
            position: sticky;
            top: 100px;
        }
        
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }
        
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .sidebar-links {
            list-style: none;
        }
        
        .sidebar-links li {
            margin-bottom: 12px;
        }
        
        .sidebar-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all 0.3s;
        }
        
        .sidebar-links a:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            transform: translateX(4px);
        }
        
        .sidebar-links i {
            font-size: 12px;
            color: var(--accent-gold);
        }
        
        .cta-card {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, rgba(211, 47, 47, 0.15) 100%);
            border: 2px solid var(--accent-gold);
            text-align: center;
        }
        
        .cta-card h3 {
            color: var(--text-primary);
            justify-content: center;
        }
        
        .cta-card p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        
        .cta-card .btn-signup {
            display: inline-block;
            width: 100%;
            text-align: center;
        }
        
        .share-section {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-top: 48px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        
        .share-section h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
        }
        
        .share-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        
        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            font-size: 20px;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .share-btn.facebook {
            background: #1877F2;
            color: #fff;
        }
        
        .share-btn.twitter {
            background: #1DA1F2;
            color: #fff;
        }
        
        .share-btn.zalo {
            background: #0068FF;
            color: #fff;
        }
        
        .share-btn.copy {
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent-gold);
            border: 1px solid var(--accent-gold);
        }
        
        .share-btn:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }
        
        .fab {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 90;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border: 3px solid rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
            cursor: pointer;
            transition: all 0.3s;
            animation: fabFloat 3s ease-in-out infinite;
        }
        
        .fab i {
            font-size: 28px;
            color: #000;
        }
        
        .fab:hover {
            transform: translateY(-4px) scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.6);
        }
        
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        footer {
            background: rgba(10, 30, 20, 0.95);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 80px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-heading {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        
        .payment-icons {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .payment-badge {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }
        
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            
            .sidebar {
                position: static;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            .nav-center {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                gap: 0;
                padding: 16px 0;
                border-bottom: 1px solid var(--border-color);
                display: none;
            }
            
            .nav-center.active {
                display: flex;
            }
            
            .nav-center a {
                padding: 12px 20px;
                width: 100%;
            }
            
            .nav-right {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-color);
                display: none;
                margin-top: 1px;
            }
            
            .nav-right.active {
                display: flex;
            }
            
            .search-box {
                width: 100%;
            }
            
            .search-box input {
                width: 100%;
            }
            
            .btn-login,
            .btn-signup {
                width: 100%;
                text-align: center;
                display: block;
            }
            
            .article-hero {
                padding: 40px 0 32px;
            }
            
            .article-title {
                font-size: 32px;
            }
            
            .article-excerpt {
                font-size: 16px;
            }
            
            .article-content {
                padding: 32px 24px;
            }
            
            .article-content h2 {
                font-size: 26px;
            }
            
            .article-content h3 {
                font-size: 20px;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            
            .fab {
                width: 56px;
                height: 56px;
                left: 16px;
                bottom: 80px;
            }
            
            .fab i {
                font-size: 24px;
            }
        }
        
        @media (max-width: 520px) {
            .article-title {
                font-size: 26px;
            }
            
            .article-meta {
                gap: 16px;
            }
            
            .meta-item {
                font-size: 13px;
            }
            
            .article-content {
                padding: 24px 20px;
            }
            
            .article-content p,
            .article-content li {
                font-size: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-pale: #D1F2EB;
            --border-gold: #FFD700;
            --card-bg: rgba(18, 62, 37, 0.6);
            --hover-lift: translateY(-4px);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.3);
            --radius-base: 12px;
            --radius-large: 16px;
            --spacing-base: 1rem;
            --spacing-large: 2rem;
            --spacing-xlarge: 4rem;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        button, .btn {
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: inherit;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header & Navigation */
        header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
            gap: 2rem;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            white-space: nowrap;
        }
        
        .logo i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--accent-gold);
            cursor: pointer;
        }
        
        .nav-center {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        
        .nav-center a {
            color: var(--text-pale);
            font-weight: 500;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
        }
        
        .nav-center a:hover,
        .nav-center a.active {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }
        
        .nav-right {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        
        .search-box input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 20px;
            padding: 0.5rem 2.5rem 0.5rem 1rem;
            color: var(--text-white);
            font-size: 0.9rem;
            width: 200px;
            transition: all 0.3s ease;
        }
        
        .search-box input:focus {
            outline: none;
            border-color: var(--accent-gold);
            background: rgba(255, 255, 255, 0.15);
            width: 240px;
        }
        
        .search-box input::placeholder {
            color: var(--text-pale);
            opacity: 0.7;
        }
        
        .search-box i {
            position: absolute;
            right: 1rem;
            color: var(--accent-gold);
            pointer-events: none;
        }
        
        .btn-login {
            color: var(--text-pale);
            padding: 0.5rem 1rem;
            font-weight: 500;
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            padding: 0.6rem 1.5rem;
            border-radius: 25px;
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(255, 215, 0, 0.4);
        }
        
        /* Hero Section */
        .hero {
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            position: relative;
            padding: 4rem 0;
            margin-top: 2rem;
            border-radius: var(--radius-large);
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(18, 62, 37, 0.85) 100%);
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        
        .hero-left h1 {
            font-size: 2.75rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        
        .hero-left p {
            font-size: 1.15rem;
            color: var(--text-pale);
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        
        .hero-cta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            padding: 1rem 2.5rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: var(--shadow-gold);
        }
        
        .btn-primary:hover {
            transform: var(--hover-lift);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }
        
        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-white);
            padding: 1rem 2rem;
            border-radius: 30px;
            border: 2px solid var(--accent-gold);
            font-weight: 600;
            font-size: 1.1rem;
        }
        
        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.15);
            border-color: var(--accent-gold);
        }
        
        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        
        .platform-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-base);
            padding: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1.5rem;
            transition: all 0.3s ease;
        }
        
        .platform-card:hover {
            transform: var(--hover-lift);
            box-shadow: var(--shadow-gold);
            border-color: var(--accent-gold);
        }
        
        .platform-icon {
            font-size: 3rem;
            color: var(--accent-gold);
        }
        
        .platform-info h3 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            color: var(--accent-gold);
        }
        
        .platform-info p {
            font-size: 0.95rem;
            color: var(--text-pale);
            margin-bottom: 0.75rem;
        }
        
        .platform-meta {
            display: flex;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-pale);
        }
        
        .platform-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        
        /* Section Base */
        section {
            padding: var(--spacing-xlarge) 0;
        }
        
        .section-header {
            text-align: left;
            max-width: 800px;
            margin-bottom: 3rem;
        }
        
        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        
        .section-header p {
            font-size: 1.1rem;
            color: var(--text-pale);
            line-height: 1.7;
        }
        
        /* Steps Section */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        
        .step-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-base);
            padding: 2rem;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .step-card:hover {
            transform: var(--hover-lift);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .step-number {
            position: absolute;
            top: -15px;
            left: 2rem;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            box-shadow: var(--shadow-gold);
        }
        
        .step-card h3 {
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            margin-top: 1rem;
        }
        
        .step-card p {
            color: var(--text-pale);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        
        .step-card ul {
            list-style: none;
            padding: 0;
        }
        
        .step-card ul li {
            color: var(--text-pale);
            padding: 0.4rem 0;
            padding-left: 1.5rem;
            position: relative;
        }
        
        .step-card ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-gold);
        }
        
        /* Features Section */
        .features-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        
        .features-image {
            position: relative;
            border-radius: var(--radius-large);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        
        .features-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .features-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        
        .feature-item {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-base);
            padding: 1.5rem;
            display: flex;
            gap: 1.5rem;
            transition: all 0.3s ease;
        }
        
        .feature-item:hover {
            transform: translateX(8px);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            flex-shrink: 0;
        }
        
        .feature-content h3 {
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }
        
        .feature-content p {
            color: var(--text-pale);
            line-height: 1.6;
        }
        
        /* Comparison Section */
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        
        .comparison-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 2px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-base);
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .comparison-card.featured {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: scale(1.05);
        }
        
        .comparison-card:hover {
            transform: scale(1.08);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .comparison-badge {
            display: inline-block;
            background: var(--accent-red);
            color: var(--text-white);
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .comparison-card h3 {
            font-size: 1.6rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        
        .comparison-card .size {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        
        .comparison-card ul {
            list-style: none;
            text-align: left;
            margin: 1.5rem 0;
        }
        
        .comparison-card ul li {
            color: var(--text-pale);
            padding: 0.5rem 0;
            padding-left: 1.5rem;
            position: relative;
        }
        
        .comparison-card ul li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-gold);
        }
        
        /* Bonus Section */
        .bonus-highlight {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.2) 0%, rgba(255, 215, 0, 0.2) 100%);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-large);
            padding: 3rem;
            text-align: center;
            margin: 3rem 0;
            box-shadow: var(--shadow-gold);
        }
        
        .bonus-highlight h3 {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        
        .bonus-amount {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--accent-red);
            margin: 1rem 0;
            text-shadow: 0 0 20px rgba(211, 47, 47, 0.5);
        }
        
        .bonus-highlight p {
            font-size: 1.15rem;
            color: var(--text-pale);
            margin-bottom: 2rem;
        }
        
        /* FAQ Section */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-base);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
        }
        
        .faq-question {
            padding: 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--accent-gold);
            font-size: 1.1rem;
        }
        
        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-gold);
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.5rem;
        }
        
        .faq-answer p {
            color: var(--text-pale);
            line-height: 1.7;
        }
        
        /* CTA Section */
        .cta-section {
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            position: relative;
            padding: 4rem 0;
            border-radius: var(--radius-large);
            overflow: hidden;
            text-align: center;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.9) 0%, rgba(18, 62, 37, 0.85) 100%);
        }
        
        .cta-content {
            position: relative;
            z-index: 1;
        }
        
        .cta-content h2 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        
        .cta-content p {
            font-size: 1.2rem;
            color: var(--text-pale);
            margin-bottom: 2rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Footer */
        footer {
            background: rgba(10, 46, 28, 0.95);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-col h4 {
            color: var(--accent-gold);
            font-size: 1.1rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }
        
        .footer-desc {
            color: var(--text-pale);
            line-height: 1.6;
            font-size: 0.95rem;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        
        .footer-links a {
            color: var(--text-pale);
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }
        
        .payment-icons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .payment-badge {
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent-gold);
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: 1.5rem;
            text-align: center;
        }
        
        .footer-bottom p {
            color: var(--text-pale);
            font-size: 0.9rem;
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border: 3px solid rgba(255, 215, 0, 0.5);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            animation: fabFloat 3s ease-in-out infinite;
            opacity: 0.85;
        }
        
        .fab:hover {
            opacity: 1;
            transform: scale(1.15) rotate(360deg);
            box-shadow: 0 6px 30px rgba(255, 215, 0, 0.6);
        }
        
        .fab i {
            font-size: 1.8rem;
            color: var(--primary-bg);
        }
        
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
            }
            
            .features-layout {
                grid-template-columns: 1fr;
            }
            
            .comparison-card.featured {
                transform: scale(1);
            }
        }
        
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            .nav-center {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 1rem;
                gap: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
                border-top: 1px solid rgba(255, 215, 0, 0.1);
            }
            
            .nav-center.active {
                max-height: 400px;
            }
            
            .nav-center a {
                padding: 0.75rem;
                width: 100%;
                border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            }
            
            .nav-right {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 1rem;
                gap: 0.75rem;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
                margin-top: 0;
            }
            
            .nav-right.active {
                max-height: 300px;
                border-top: 1px solid rgba(255, 215, 0, 0.1);
            }
            
            .search-box {
                width: 100%;
            }
            
            .search-box input {
                width: 100%;
            }
            
            .search-box input:focus {
                width: 100%;
            }
            
            .btn-login,
            .btn-signup {
                width: 100%;
                text-align: center;
                display: block;
            }
            
            .hero-left h1 {
                font-size: 2rem;
            }
            
            .hero-left p {
                font-size: 1rem;
            }
            
            .hero-cta {
                flex-direction: column;
            }
            
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            
            .section-header h2 {
                font-size: 1.75rem;
            }
            
            .steps-grid {
                grid-template-columns: 1fr;
            }
            
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            
            .bonus-highlight {
                padding: 2rem 1rem;
            }
            
            .bonus-amount {
                font-size: 2.5rem;
            }
            
            .cta-content h2 {
                font-size: 1.85rem;
            }
            
            .fab {
                width: 55px;
                height: 55px;
                bottom: 5rem;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 15px;
            }
            
            .hero {
                padding: 2.5rem 0;
                margin-top: 1rem;
            }
            
            .hero-left h1 {
                font-size: 1.65rem;
            }
            
            .platform-card {
                flex-direction: column;
                text-align: center;
            }
            
            .platform-meta {
                justify-content: center;
            }
            
            section {
                padding: 2.5rem 0;
            }
            
            .section-header h2 {
                font-size: 1.5rem;
            }
            
            .step-card {
                padding: 1.5rem;
            }
            
            .feature-item {
                flex-direction: column;
                text-align: center;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FA89E;
            --border-color: #2A5A3F;
            --card-bg: #0F3522;
            --hover-bg: #1A4A2F;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.2);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, input, select, textarea {
            font-family: inherit;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header & Navigation */
        header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-md);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 24px;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-gold);
            white-space: nowrap;
        }
        
        .logo i {
            font-size: 24px;
            color: var(--accent-gold);
        }
        
        .mobile-toggle {
            display: none;
            font-size: 24px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 8px;
        }
        
        .nav-center {
            display: flex;
            gap: 32px;
            align-items: center;
        }
        
        .nav-center a {
            color: var(--text-secondary);
            font-weight: 500;
            position: relative;
            padding: 8px 0;
            transition: var(--transition);
        }
        
        .nav-center a:hover {
            color: var(--accent-gold);
        }
        
        .nav-center a.active {
            color: var(--accent-gold);
        }
        
        .nav-center a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-gold);
        }
        
        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        
        .search-box input {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 8px 36px 8px 12px;
            color: var(--text-primary);
            width: 220px;
            transition: var(--transition);
        }
        
        .search-box input:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
        }
        
        .search-box i {
            position: absolute;
            right: 12px;
            color: var(--text-muted);
            pointer-events: none;
        }
        
        .btn-login {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 16px;
            transition: var(--transition);
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.3);
        }
        
        /* Hero Banner */
        .hero-banner {
            background: linear-gradient(rgba(10, 46, 28, 0.85), rgba(18, 62, 37, 0.85)), url('/assets/images/backpic/back-2.jpg') center/cover;
            padding: 80px 0 60px;
            border-bottom: 2px solid var(--accent-gold);
            position: relative;
            overflow: hidden;
        }
        
        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-red);
            color: var(--text-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(211, 47, 47, 0.3);
        }
        
        .hero-content h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--accent-gold);
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        
        .hero-content p {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        
        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        
        .hero-stat {
            text-align: left;
        }
        
        .hero-stat-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent-gold);
            display: block;
        }
        
        .hero-stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        /* Main Content */
        main {
            padding: 60px 0;
        }
        
        .section {
            margin-bottom: 80px;
        }
        
        .section-header {
            margin-bottom: 40px;
        }
        
        .section-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--accent-gold);
        }
        
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        /* Payment Methods Grid */
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-bottom: 40px;
        }
        
        .payment-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .payment-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold) 0%, #FFA500 100%);
            opacity: 0;
            transition: var(--transition);
        }
        
        .payment-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        
        .payment-card:hover::before {
            opacity: 1;
        }
        
        .payment-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        
        .payment-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary-bg);
            box-shadow: var(--shadow-gold);
        }
        
        .payment-badge {
            background: var(--accent-red);
            color: var(--text-primary);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }
        
        .payment-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        
        .payment-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        
        .payment-features {
            list-style: none;
            margin-bottom: 20px;
        }
        
        .payment-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 10px;
        }
        
        .payment-features li i {
            color: var(--accent-gold);
            margin-top: 2px;
            flex-shrink: 0;
        }
        
        .payment-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        
        .payment-stat {
            text-align: left;
        }
        
        .payment-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-bottom: 4px;
        }
        
        .payment-stat-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-gold);
        }
        
        /* Process Steps */
        .process-container {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin-bottom: 40px;
        }
        
        .process-tabs {
            display: flex;
            gap: 16px;
            margin-bottom: 32px;
            border-bottom: 2px solid var(--border-color);
            overflow-x: auto;
        }
        
        .process-tab {
            padding: 12px 24px;
            background: transparent;
            border: none;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .process-tab.active {
            color: var(--accent-gold);
        }
        
        .process-tab.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-gold);
        }
        
        .process-tab:hover:not(.active) {
            color: var(--text-primary);
        }
        
        .process-content {
            display: none;
        }
        
        .process-content.active {
            display: block;
        }
        
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        
        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: var(--primary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        
        .step-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-md);
        }
        
        .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        
        .step-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        
        .step-content p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }
        
        /* Comparison Table */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
        }
        
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
        }
        
        .comparison-table thead th {
            background: var(--primary-bg);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 16px;
            text-align: left;
            border-bottom: 2px solid var(--accent-gold);
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .comparison-table tbody tr {
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        
        .comparison-table tbody tr:hover {
            background: var(--primary-bg);
        }
        
        .comparison-table tbody td {
            padding: 16px;
            color: var(--text-secondary);
            font-size: 14px;
        }
        
        .comparison-table tbody td:first-child {
            font-weight: 600;
            color: var(--text-primary);
        }
        
        .table-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }
        
        .table-badge.fast {
            background: rgba(76, 175, 80, 0.2);
            color: #4CAF50;
        }
        
        .table-badge.medium {
            background: rgba(255, 193, 7, 0.2);
            color: #FFC107;
        }
        
        .table-badge.free {
            background: rgba(76, 175, 80, 0.2);
            color: #4CAF50;
        }
        
        /* Tips & Warnings */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        
        .tip-card {
            background: var(--card-bg);
            border-left: 4px solid var(--accent-gold);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        
        .tip-card.warning {
            border-left-color: var(--accent-red);
        }
        
        .tip-card.success {
            border-left-color: #4CAF50;
        }
        
        .tip-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        
        .tip-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        
        .tip-card .tip-icon {
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent-gold);
        }
        
        .tip-card.warning .tip-icon {
            background: rgba(211, 47, 47, 0.2);
            color: var(--accent-red);
        }
        
        .tip-card.success .tip-icon {
            background: rgba(76, 175, 80, 0.2);
            color: #4CAF50;
        }
        
        .tip-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }
        
        .tip-content {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }
        
        /* FAQ Section */
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 20px 24px;
            text-align: left;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
        }
        
        .faq-question:hover {
            color: var(--accent-gold);
        }
        
        .faq-question i {
            color: var(--accent-gold);
            transition: var(--transition);
            flex-shrink: 0;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .faq-answer-content {
            padding: 0 24px 20px 24px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            box-shadow: var(--shadow-gold);
            margin-top: 60px;
        }
        
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary-bg);
            margin-bottom: 16px;
        }
        
        .cta-section p {
            font-size: 18px;
            color: var(--primary-bg);
            margin-bottom: 32px;
            opacity: 0.9;
        }
        
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-primary {
            background: var(--primary-bg);
            color: var(--accent-gold);
            box-shadow: var(--shadow-md);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--primary-bg);
            border: 2px solid var(--primary-bg);
        }
        
        .btn-secondary:hover {
            background: var(--primary-bg);
            color: var(--accent-gold);
        }
        
        /* Footer */
        footer {
            background: var(--primary-bg);
            border-top: 2px solid var(--accent-gold);
            padding: 60px 0 24px;
            margin-top: 80px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-col h4.footer-heading {
            color: var(--accent-gold);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .footer-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        
        .payment-icons {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .payment-badge {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 600;
        }
        
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            text-align: center;
        }
        
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 13px;
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 96px;
  z-index: 999;
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border: 3px solid var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary-bg);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
        }
        
        .fab:hover {
            opacity: 1;
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }
        
        .fab .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 20px;
            height: 20px;
            background: var(--accent-red);
            border: 2px solid var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            font-weight: 700;
            animation: pulse 2s ease infinite;
        }
        
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.15); opacity: 0.8; }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 40px;
            }
            
            .section-title {
                font-size: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            .nav-center {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary-bg);
                border-top: 1px solid var(--border-color);
                flex-direction: column;
                gap: 0;
                padding: 16px 0;
                box-shadow: var(--shadow-md);
            }
            
            .nav-center.active {
                display: flex;
            }
            
            .nav-center a {
                padding: 12px 20px;
                border-bottom: 1px solid var(--border-color);
            }
            
            .nav-center a:last-child {
                border-bottom: none;
            }
            
            .search-box {
                display: none;
            }
            
            .nav-right {
                gap: 8px;
            }
            
            .btn-login {
                padding: 8px 12px;
                font-size: 14px;
            }
            
            .btn-signup {
                padding: 8px 16px;
                font-size: 14px;
            }
            
            .hero-banner {
                padding: 60px 0 40px;
            }
            
            .hero-content h1 {
                font-size: 32px;
            }
            
            .hero-content p {
                font-size: 16px;
            }
            
            .hero-stats {
                gap: 20px;
            }
            
            .hero-stat-value {
                font-size: 24px;
            }
            
            .section-title {
                font-size: 26px;
            }
            
            .payment-grid {
                grid-template-columns: 1fr;
            }
            
            .process-container {
                padding: 24px;
            }
            
            .process-tabs {
                gap: 8px;
            }
            
            .process-tab {
                padding: 10px 16px;
                font-size: 14px;
            }
            
            .step-item {
                flex-direction: column;
                gap: 16px;
            }
            
            .comparison-table-wrapper {
                padding: 16px;
            }
            
            .comparison-table {
                font-size: 12px;
            }
            
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 12px 8px;
            }
            
            .tips-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-section {
                padding: 40px 24px;
            }
            
            .cta-section h2 {
                font-size: 28px;
            }
            
            .cta-section p {
                font-size: 16px;
            }
            
            .cta-buttons {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            
            .fab {
                width: 56px;
                height: 56px;
                font-size: 24px;
                left: 16px;
                bottom: 80px;
            }
        }
        
        @media (max-width: 480px) {
            .logo span {
                display: none;
            }
            
            .hero-content h1 {
                font-size: 26px;
            }
            
            .section-title {
                font-size: 22px;
            }
            
            .payment-card {
                padding: 20px;
            }
        }

/* roulang page: category3 */
:root{
  --bg-deep:#0A2E1C;
  --bg-forest:#123E25;
  --bg-panel:#0E3620;
  --gold:#FFD700;
  --gold-soft:#F5D66B;
  --red:#D32F2F;
  --white:#FFFFFF;
  --mint:#D1F2EB;
  --mint-dim:#9CC8BC;
  --line:rgba(255,215,0,.22);
  --line-soft:rgba(209,242,235,.14);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-gold:0 6px 24px rgba(255,215,0,.18);
  --trans:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Roboto,Arial,sans-serif;
  background:linear-gradient(180deg,var(--bg-deep) 0%,var(--bg-forest) 55%,var(--bg-deep) 100%);
  color:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input{font-family:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== Header / Nav ===== */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,46,28,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(0,0,0,.3);
}
header nav{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;color:var(--gold);white-space:nowrap}
.logo i{font-size:1.25rem;color:var(--gold)}
.logo span{max-width:250px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-center{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-center a{
  padding:9px 15px;border-radius:999px;font-size:.94rem;font-weight:600;
  color:var(--mint);transition:var(--trans);
}
.nav-center a:hover{color:var(--gold);background:rgba(255,215,0,.08)}
.nav-center a.active{color:#0A2E1C;background:var(--gold);box-shadow:var(--shadow-gold)}
.nav-right{display:flex;align-items:center;gap:12px}
.search-box{position:relative;display:flex;align-items:center}
.search-box input{
  width:200px;padding:9px 36px 9px 14px;border-radius:999px;
  border:1px solid var(--line-soft);background:rgba(255,255,255,.07);
  color:var(--white);font-size:.86rem;outline:none;transition:var(--trans);
}
.search-box input::placeholder{color:var(--mint-dim)}
.search-box input:focus{border-color:var(--gold);background:rgba(255,255,255,.12)}
.search-box i{position:absolute;right:13px;color:var(--mint-dim);font-size:.85rem;pointer-events:none}
.btn-login{font-weight:700;font-size:.92rem;color:var(--mint);padding:9px 8px;transition:var(--trans)}
.btn-login:hover{color:var(--gold)}
.btn-signup{
  background:linear-gradient(135deg,var(--gold) 0%,#E8B400 100%);
  color:#0A2E1C;font-weight:800;font-size:.92rem;
  padding:10px 20px;border-radius:999px;box-shadow:var(--shadow-gold);transition:var(--trans);
  white-space:nowrap;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(255,215,0,.32)}
.mobile-toggle{display:none;color:var(--gold);font-size:1.35rem;cursor:pointer;padding:6px}

/* ===== Hero ===== */
.hero{
  position:relative;margin-top:68px;padding:72px 0 64px;overflow:hidden;
  background:linear-gradient(rgba(8,38,23,.88),rgba(10,46,28,.94)),url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(255,215,0,.10),transparent 70%);
}
.hero .container{position:relative;z-index:2;text-align:center;max-width:880px}
.hero-flash{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--red);color:#fff;font-weight:800;font-size:.82rem;
  letter-spacing:.06em;text-transform:uppercase;
  padding:7px 16px;border-radius:999px;margin-bottom:18px;
  box-shadow:0 4px 16px rgba(211,47,47,.45);
  animation:flashPulse 1.8s ease-in-out infinite;
}
@keyframes flashPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.hero h1{
  font-size:2.55rem;line-height:1.22;font-weight:900;margin-bottom:16px;
  background:linear-gradient(180deg,#FFF6C8 0%,var(--gold) 60%,#D9A400 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p.lead{font-size:1.08rem;color:var(--mint);max-width:680px;margin:0 auto 26px}
.hero-cta-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--gold),#E8B400);color:#0A2E1C;
  font-weight:800;font-size:1rem;padding:15px 32px;border-radius:999px;
  box-shadow:0 8px 30px rgba(255,215,0,.3);transition:var(--trans);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 38px rgba(255,215,0,.42)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  border:1.5px solid var(--gold);color:var(--gold);
  font-weight:700;font-size:1rem;padding:14px 28px;border-radius:999px;transition:var(--trans);
}
.btn-ghost:hover{background:rgba(255,215,0,.12)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  max-width:760px;margin:0 auto;
}
.stat-chip{
  background:rgba(255,255,255,.06);border:1px solid var(--line-soft);
  border-radius:var(--radius-sm);padding:14px 10px;
}
.stat-chip strong{display:block;font-size:1.35rem;font-weight:900;color:var(--gold)}
.stat-chip span{font-size:.8rem;color:var(--mint-dim)}

/* ===== Sections base ===== */
section{padding:66px 0}
.section-head{max-width:640px;margin-bottom:38px}
.section-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--gold);margin-bottom:10px;
}
.section-tag::before{content:"";width:26px;height:2px;background:var(--gold);border-radius:2px}
.section-head h2{font-size:1.85rem;font-weight:800;line-height:1.3;margin-bottom:10px}
.section-head p{color:var(--mint-dim);font-size:.98rem}

/* ===== Timeline (quy trình rút) ===== */
.flow{background:var(--bg-panel);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.flow-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start}
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(255,215,0,.1));
}
.tl-step{position:relative;padding:0 0 30px 18px}
.tl-step:last-child{padding-bottom:0}
.tl-step::before{
  content:"";position:absolute;left:-28px;top:5px;width:16px;height:16px;border-radius:50%;
  background:var(--bg-deep);border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,215,0,.15);
}
.tl-step .tl-time{
  display:inline-block;font-size:.75rem;font-weight:800;color:#0A2E1C;
  background:var(--gold);padding:2px 10px;border-radius:999px;margin-bottom:7px;
}
.tl-step h3{font-size:1.08rem;font-weight:800;margin-bottom:6px}
.tl-step p{color:var(--mint-dim);font-size:.93rem}
.flow-visual{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.flow-visual img{width:100%;height:100%;object-fit:cover;min-height:340px}
.flow-visual .visual-caption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(0deg,rgba(8,30,18,.92),transparent);
  font-size:.9rem;color:var(--mint);
}
.flow-visual .visual-caption strong{color:var(--gold)}

/* ===== Payment channels ===== */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pay-card{
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
  border-radius:var(--radius);padding:24px 20px;transition:var(--trans);
  display:flex;flex-direction:column;gap:10px;
}
.pay-card:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:var(--shadow-gold)}
.pay-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:1.25rem;color:#0A2E1C;background:linear-gradient(135deg,var(--gold),#E8B400);
}
.pay-card h3{font-size:1.05rem;font-weight:800}
.pay-card .pay-speed{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:.76rem;font-weight:800;color:#7CFFB0;
  background:rgba(50,205,110,.14);border:1px solid rgba(50,205,110,.35);
  padding:3px 10px;border-radius:999px;
}
.pay-card p{color:var(--mint-dim);font-size:.9rem}

/* ===== Comparison table ===== */
.compare{background:var(--bg-panel);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:720px;background:rgba(8,30,18,.6)}
thead th{
  text-align:left;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--gold);padding:15px 18px;border-bottom:1px solid var(--line);
  background:rgba(255,215,0,.06);white-space:nowrap;
}
tbody td{padding:15px 18px;font-size:.93rem;border-bottom:1px solid var(--line-soft);color:var(--mint)}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:var(--trans)}
tbody tr:hover{background:rgba(255,215,0,.05)}
.rank-name{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--white)}
.rank-no{
  width:26px;height:26px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  font-size:.78rem;font-weight:900;color:#0A2E1C;background:var(--gold);
}
.tag-hot{
  display:inline-block;font-size:.68rem;font-weight:800;color:#fff;background:var(--red);
  padding:2px 8px;border-radius:5px;letter-spacing:.05em;
}
.speed-good{color:#7CFFB0;font-weight:700}
.table-note{margin-top:14px;font-size:.84rem;color:var(--mint-dim)}
.table-note i{color:var(--gold);margin-right:6px}

/* ===== VIP limits ===== */
.vip-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center}
.vip-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.vip-media img{width:100%;object-fit:cover;min-height:300px}
.vip-badge-float{
  position:absolute;top:16px;left:16px;
  background:rgba(8,30,18,.85);border:1px solid var(--gold);color:var(--gold);
  font-size:.78rem;font-weight:800;padding:7px 14px;border-radius:999px;backdrop-filter:blur(6px);
}
.vip-list{display:flex;flex-direction:column;gap:16px;margin-top:22px}
.vip-row{
  display:flex;align-items:center;gap:16px;padding:15px 18px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);border-radius:var(--radius-sm);
  transition:var(--trans);
}
.vip-row:hover{border-color:var(--gold)}
.vip-medal{font-size:1.3rem;width:40px;flex:none;text-align:center}
.vip-row .vip-info{flex:1}
.vip-row .vip-info strong{display:block;font-size:.98rem}
.vip-row .vip-info span{font-size:.84rem;color:var(--mint-dim)}
.vip-limit{font-weight:900;color:var(--gold);font-size:1rem;white-space:nowrap}

/* ===== Tips / checklist ===== */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tip-item{padding:24px 22px;border-left:3px solid var(--gold);background:rgba(255,255,255,.04);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.tip-item i{color:var(--gold);font-size:1.3rem;margin-bottom:12px;display:block}
.tip-item h3{font-size:1.02rem;font-weight:800;margin-bottom:8px}
.tip-item p{font-size:.91rem;color:var(--mint-dim)}

/* ===== FAQ ===== */
.faq{background:var(--bg-panel);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.faq-list{max-width:820px}
.faq-item{border:1px solid var(--line-soft);border-radius:var(--radius-sm);margin-bottom:14px;background:rgba(8,30,18,.5);overflow:hidden;transition:var(--trans)}
.faq-item[open]{border-color:var(--gold)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-weight:700;font-size:1rem;transition:var(--trans);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--gold)}
.faq-item summary i{color:var(--gold);transition:transform .25s ease;flex:none}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 22px 20px;color:var(--mint-dim);font-size:.94rem}

/* ===== Final CTA ===== */
.final-cta{
  text-align:center;padding:80px 0;position:relative;overflow:hidden;
  background:linear-gradient(rgba(8,38,23,.9),rgba(10,46,28,.95)),url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
}
.final-cta h2{font-size:2rem;font-weight:900;margin-bottom:14px;color:var(--gold)}
.final-cta p{max-width:600px;margin:0 auto 28px;color:var(--mint)}
.cta-trust{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;margin-top:28px}
.cta-trust span{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;color:var(--mint-dim)}
.cta-trust i{color:var(--gold)}

/* ===== Footer ===== */
footer{background:#071F12;border-top:1px solid var(--line);padding:54px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px}
.footer-heading{font-size:.98rem;font-weight:800;color:var(--gold);margin-bottom:15px}
.footer-desc{font-size:.89rem;color:var(--mint-dim)}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:.9rem;color:var(--mint-dim);transition:var(--trans)}
.footer-links a:hover{color:var(--gold);padding-left:4px}
.payment-icons{display:flex;flex-wrap:wrap;gap:10px}
.payment-badge{
  font-size:.8rem;font-weight:700;color:var(--gold);
  border:1px solid var(--line);padding:7px 14px;border-radius:8px;background:rgba(255,215,0,.06);
}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:20px 0;text-align:center;
  font-size:.82rem;color:var(--mint-dim);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:60px;height:60px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 35% 30%,#2a1010,#160404);
  border:3px solid var(--gold);
  box-shadow:0 4px 20px rgba(255,215,0,.3);
  opacity:.72;transition:var(--trans);
  animation:fabFloat 3s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.fab i{font-size:1.45rem;color:var(--gold);transition:transform .5s ease}
.fab:hover{opacity:1;transform:scale(1.1);animation-play-state:paused}
.fab:hover i{transform:rotate(360deg)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .fab-dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:var(--red);border:2px solid #160404;
  animation:flashPulse 1.4s ease-in-out infinite;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .logo span{max-width:170px}
  .search-box input{width:150px}
  .hero h1{font-size:2.1rem}
  .pay-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid,.vip-grid{grid-template-columns:1fr;gap:32px}
  .tips-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  header nav{height:62px;gap:12px}
  .mobile-toggle{display:block;order:3;margin-left:auto}
  .nav-center{
    display:none;position:absolute;top:62px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(8,30,18,.98);border-bottom:1px solid var(--line);
    padding:12px 16px 16px;
  }
  .nav-center.open{display:flex}
  .nav-center a{border-radius:10px;padding:12px 14px}
  .search-box{display:none}
  .nav-right{order:2;margin-left:auto;gap:8px}
  .btn-login{padding:8px 4px;font-size:.86rem}
  .btn-signup{padding:9px 15px;font-size:.86rem}
  .hero{padding:56px 0 48px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  section{padding:52px 0}
  .section-head h2{font-size:1.5rem}
}
@media (max-width:520px){
  .logo span{max-width:135px;font-size:.85rem}
  .hero h1{font-size:1.62rem}
  .hero p.lead{font-size:.96rem}
  .btn-primary,.btn-ghost{width:100%;justify-content:center}
  .pay-grid,.tips-grid{grid-template-columns:1fr}
  .vip-row{flex-wrap:wrap}
  .vip-limit{width:100%;padding-left:56px}
  .footer-grid{grid-template-columns:1fr}
  .final-cta h2{font-size:1.5rem}
  .fab{width:52px;height:52px;bottom:88px}
}