/* roulang page: index */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --bg-card: #1C1C1E;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --accent-gold: #FFD700;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #888888;
            --border-color: #2A2A2A;
            --border-radius-sm: 6px;
            --border-radius-md: 10px;
            --border-radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px rgba(255,69,0,0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        
        a:hover {
            color: var(--accent-primary);
        }
        
        img {
            max-width: 100%;
            height: auto;
        }
        
        .container {
            max-width: 1200px;
            padding: 0 20px;
        }
        
        /* Navigation */
        .navbar-custom {
            background: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
        }
        
        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 280px;
        }
        
        .navbar-custom .navbar-brand span {
            color: var(--accent-primary);
        }
        
        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 16px;
            margin: 0 4px;
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
            position: relative;
        }
        
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-primary);
            background: rgba(255, 69, 0, 0.1);
        }
        
        .btn-login {
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            padding: 8px 20px;
            border-radius: var(--border-radius-sm);
            font-weight: 500;
            transition: var(--transition);
            background: transparent;
        }
        
        .btn-login:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(255, 69, 0, 0.1);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            padding: 8px 24px;
            border-radius: var(--border-radius-sm);
            font-weight: 600;
            border: none;
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(255, 69, 0, 0.3);
        }
        
        .btn-signup:hover {
            background: linear-gradient(135deg, #FF5722, #FF1A1A);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 69, 0, 0.5);
        }
        
        .navbar-toggler {
            border: 1px solid var(--border-color);
            background: transparent;
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        /* Hero Section */
        .hero-section {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, #0B0B0B 0%, #1A0A00 50%, #0B0B0B 100%);
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover;
            opacity: 0.15;
            z-index: 1;
        }
        
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        
        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        
        .hero-title .highlight {
            color: var(--accent-primary);
        }
        
        .hero-description {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 600px;
        }
        
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--border-radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255, 69, 0, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-primary-custom:hover {
            background: linear-gradient(135deg, #FF5722, #FF1A1A);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 69, 0, 0.6);
        }
        
        .btn-secondary-custom {
            background: transparent;
            color: var(--text-primary);
            padding: 14px 32px;
            border-radius: var(--border-radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-secondary-custom:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(255, 69, 0, 0.05);
        }
        
        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        
        .hero-stat .stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-primary);
        }
        
        .hero-stat .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        
        .hero-visual {
            background: var(--bg-card);
            border-radius: var(--border-radius-lg);
            padding: 30px;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        
        .hero-visual::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.1) 0%, transparent 70%);
            animation: pulse 4s ease-in-out infinite;
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.5; }
            50% { transform: scale(1.1); opacity: 0.8; }
        }
        
        .hero-visual .game-preview {
            position: relative;
            z-index: 1;
        }
        
        .game-preview .preview-icon {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }
        
        .game-preview h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .game-preview p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        
        .preview-features {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .preview-feature {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        
        .preview-feature i {
            color: var(--accent-primary);
            width: 20px;
            text-align: center;
        }
        
        /* Countdown Section */
        .countdown-section {
            background: var(--bg-secondary);
            padding: 40px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        
        .countdown-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .countdown-label {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        
        .countdown-label i {
            color: var(--accent-primary);
            margin-right: 8px;
        }
        
        .countdown-timer {
            display: flex;
            gap: 16px;
        }
        
        .countdown-item {
            text-align: center;
            background: var(--bg-card);
            padding: 12px 20px;
            border-radius: var(--border-radius-md);
            border: 1px solid var(--border-color);
            min-width: 70px;
        }
        
        .countdown-item .countdown-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-primary);
            display: block;
        }
        
        .countdown-item .countdown-unit {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        /* Section Styles */
        .section-padding {
            padding: 60px 0;
        }
        
        .section-header {
            margin-bottom: 40px;
        }
        
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        
        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
        }
        
        .section-tag {
            display: inline-block;
            background: rgba(255, 69, 0, 0.15);
            color: var(--accent-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        /* Highlights Wall */
        .highlights-section {
            background: var(--bg-primary);
        }
        
        .highlight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            padding: 25px;
            margin-bottom: 24px;
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        
        .highlight-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }
        
        .highlight-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        
        .highlight-card:hover::before {
            transform: scaleX(1);
        }
        
        .highlight-icon {
            width: 50px;
            height: 50px;
            background: rgba(255, 69, 0, 0.1);
            border-radius: var(--border-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.5rem;
            color: var(--accent-primary);
        }
        
        .highlight-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .highlight-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        /* Ticket Comparison */
        .tickets-section {
            background: var(--bg-secondary);
        }
        
        .ticket-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            padding: 30px;
            margin-bottom: 24px;
            transition: var(--transition);
            height: 100%;
            position: relative;
        }
        
        .ticket-card.featured {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }
        
        .ticket-card.featured::after {
            content: 'PHỔ BIẾN NHẤT';
            position: absolute;
            top: 20px;
            right: -35px;
            background: var(--accent-primary);
            color: #fff;
            padding: 6px 40px;
            font-size: 0.75rem;
            font-weight: 600;
            transform: rotate(45deg);
        }
        
        .ticket-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .ticket-price {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-primary);
            margin-bottom: 20px;
        }
        
        .ticket-price span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 400;
        }
        
        .ticket-features {
            list-style: none;
            padding: 0;
            margin: 0 0 25px;
        }
        
        .ticket-features li {
            padding: 8px 0;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
        }
        
        .ticket-features li i {
            color: var(--accent-primary);
            width: 18px;
            text-align: center;
        }
        
        .ticket-features li.disabled {
            color: var(--text-muted);
            text-decoration: line-through;
        }
        
        .ticket-features li.disabled i {
            color: var(--text-muted);
        }
        
        /* News Section */
        .news-section {
            background: var(--bg-primary);
        }
        
        .news-list-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            margin-bottom: 16px;
            transition: var(--transition);
            align-items: center;
        }
        
        .news-list-item:hover {
            border-color: var(--accent-primary);
            transform: translateX(5px);
            box-shadow: var(--shadow-sm);
        }
        
        .news-list-item .news-date {
            min-width: 80px;
            text-align: center;
            background: rgba(255, 69, 0, 0.1);
            padding: 10px;
            border-radius: var(--border-radius-sm);
        }
        
        .news-list-item .news-date .day {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-primary);
            display: block;
            line-height: 1;
        }
        
        .news-list-item .news-date .month {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        .news-list-item .news-content {
            flex: 1;
        }
        
        .news-list-item .news-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        
        .news-list-item .news-content h4 a {
            color: var(--text-primary);
            transition: var(--transition);
        }
        
        .news-list-item .news-content h4 a:hover {
            color: var(--accent-primary);
        }
        
        .news-list-item .news-content p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0;
        }
        
        .news-list-item .news-category {
            display: inline-block;
            background: rgba(255, 69, 0, 0.1);
            color: var(--accent-primary);
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        /* Hot Topics */
        .hot-topics-section {
            background: var(--bg-secondary);
        }
        
        .topic-tag {
            display: inline-block;
            background: var(--bg-card);
            color: var(--text-secondary);
            padding: 10px 20px;
            border-radius: 25px;
            border: 1px solid var(--border-color);
            margin: 0 8px 12px 0;
            transition: var(--transition);
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .topic-tag:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(255, 69, 0, 0.05);
            transform: translateY(-2px);
        }
        
        /* Beginner Guide */
        .guide-section {
            background: var(--bg-primary);
        }
        
        .guide-step {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            align-items: flex-start;
        }
        
        .guide-step .step-number {
            min-width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        
        .guide-step .step-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        
        .guide-step .step-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        /* Rewards Preview */
        .rewards-section {
            background: var(--bg-secondary);
        }
        
        .reward-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            padding: 25px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }
        
        .reward-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
            transform: translateY(-4px);
        }
        
        .reward-icon {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 15px;
        }
        
        .reward-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        
        .reward-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1A0A00 0%, #0B0B0B 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover;
            opacity: 0.1;
        }
        
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        
        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 30px;
        }
        
        /* FAQ Section */
        .faq-section {
            background: var(--bg-primary);
        }
        
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            margin-bottom: 16px;
            border-radius: var(--border-radius-md);
            overflow: hidden;
        }
        
        .accordion-button {
            background: var(--bg-card);
            color: var(--text-primary);
            padding: 20px 25px;
            font-weight: 600;
            font-size: 1.05rem;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        
        .accordion-button:not(.collapsed) {
            background: rgba(255, 69, 0, 0.05);
            color: var(--accent-primary);
        }
        
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent-primary);
        }
        
        .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            padding: 0 25px 20px;
            line-height: 1.7;
        }
        
        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 20px;
        }
        
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        
        .footer-brand span {
            color: var(--accent-primary);
        }
        
        .footer-description {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        
        .footer-heading {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--accent-primary);
            padding-left: 5px;
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 30px;
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        
        .payment-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        
        .payment-badge {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: var(--border-radius-sm);
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .payment-badge i {
            color: var(--accent-primary);
        }
        
        /* FAB */
        .fab-custom {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-primary);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(255, 69, 0, 0.3);
            animation: breathe 2s ease-in-out infinite;
        }
        
        .fab-custom:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(255, 69, 0, 0.6);
            animation: none;
        }
        
        @keyframes breathe {
            0%, 100% { transform: scale(1); opacity: 0.8; }
            50% { transform: scale(1.05); opacity: 1; }
        }
        
        .fab-notification {
            position: absolute;
            top: -5px;
            right: -5px;
            width: 18px;
            height: 18px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blink 1.5s ease-in-out infinite;
        }
        
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            
            .hero-stat .stat-value {
                font-size: 1.5rem;
            }
        }
        
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 40px;
            }
            
            .hero-title {
                font-size: 1.8rem;
            }
            
            .hero-description {
                font-size: 1rem;
            }
            
            .hero-stats {
                gap: 20px;
            }
            
            .countdown-wrapper {
                flex-direction: column;
                text-align: center;
            }
            
            .countdown-timer {
                justify-content: center;
            }
            
            .countdown-item {
                min-width: 60px;
                padding: 10px 15px;
            }
            
            .countdown-item .countdown-value {
                font-size: 1.4rem;
            }
            
            .section-header h2 {
                font-size: 1.6rem;
            }
            
            .news-list-item {
                flex-direction: column;
                gap: 10px;
            }
            
            .news-list-item .news-date {
                min-width: auto;
                display: inline-block;
                padding: 6px 12px;
            }
            
            .guide-step {
                flex-direction: column;
                gap: 10px;
            }
            
            .navbar-custom .navbar-brand {
                font-size: 1rem;
                max-width: 200px;
            }
            
            .fab-custom {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 15px;
                bottom: 70px;
            }
        }
        
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            
            .hero-cta-group {
                flex-direction: column;
            }
            
            .btn-primary-custom,
            .btn-secondary-custom {
                width: 100%;
                justify-content: center;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            
            .ticket-card {
                padding: 20px;
            }
            
            .ticket-price {
                font-size: 1.6rem;
            }
            
            .section-padding {
                padding: 40px 0;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-card: #0E4A2E;
            --bg-card-hover: #135A38;
            --accent-gold: #FFCC00;
            --accent-gold-dark: #E6B800;
            --accent-lime: #32CD32;
            --accent-red: #FF4500;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --text-muted: #8AB8A0;
            --border-gold: rgba(255, 204, 0, 0.4);
            --border-light: rgba(197, 226, 210, 0.2);
            --shadow-gold: 0 8px 32px rgba(255, 204, 0, 0.15);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 80px;
        }
        
        * {
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: var(--font-main);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: color 0.3s ease;
        }
        
        a:hover {
            color: var(--accent-lime);
        }
        
        button,
        input,
        select,
        textarea {
            font-family: var(--font-main);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        
        /* Navbar */
        .navbar-custom {
            background: rgba(6, 35, 21, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
        }
        
        .navbar-custom .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--text-white);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .navbar-custom .navbar-brand span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: -1px;
        }
        
        .navbar-custom .navbar-brand:hover {
            color: var(--text-white);
        }
        
        .navbar-custom .nav-link {
            color: var(--text-light);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 16px;
            margin: 0 4px;
            border-radius: 50px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .navbar-custom .nav-link:hover {
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.1);
        }
        
        .navbar-custom .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.15);
        }
        
        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        
        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 18px;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            background: transparent;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.1);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            color: #1a1a00;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 8px 22px;
            border-radius: 50px;
            border: none;
            transition: all 0.3s ease;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 204, 0, 0.3);
        }
        
        .btn-signup:hover {
            background: linear-gradient(135deg, #FFD700, #FFCC00);
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.45);
        }
        
        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 8px 10px;
        }
        
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 204, 0, 0.3);
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 204, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero::after {
            content: '';
            position: absolute;
            bottom: -15%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(50, 205, 50, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 204, 0, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }
        
        .hero-badge i {
            font-size: 0.9rem;
            animation: pulse-icon 2s infinite;
        }
        
        @keyframes pulse-icon {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.15); }
        }
        
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-white);
            letter-spacing: -1px;
        }
        
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-description {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 32px;
            max-width: 580px;
            line-height: 1.7;
        }
        
        .hero-coupon {
            background: linear-gradient(135deg, #0E4A2E, #062315);
            border: 2px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-gold);
            position: relative;
            overflow: hidden;
            transition: all 0.4s ease;
        }
        
        .hero-coupon::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent 0%, rgba(255, 204, 0, 0.08) 25%, transparent 50%, rgba(255, 204, 0, 0.08) 75%, transparent 100%);
            animation: rotate-glow 8s linear infinite;
            pointer-events: none;
        }
        
        @keyframes rotate-glow {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .hero-coupon:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(255, 204, 0, 0.25);
            border-color: var(--accent-gold);
        }
        
        .coupon-label {
            display: inline-block;
            background: var(--accent-red);
            color: white;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        
        .coupon-title {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
            letter-spacing: -1px;
        }
        
        .coupon-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        
        .coupon-code {
            background: rgba(0, 0, 0, 0.5);
            border: 1px dashed var(--accent-gold);
            border-radius: var(--radius-sm);
            padding: 14px 20px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 3px;
            display: inline-block;
            position: relative;
            z-index: 1;
            margin-bottom: 16px;
        }
        
        .btn-claim {
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #1a1a00;
            font-weight: 800;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
            box-shadow: 0 6px 20px rgba(255, 204, 0, 0.35);
            display: inline-block;
            text-align: center;
        }
        
        .btn-claim:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(255, 204, 0, 0.5);
            background: linear-gradient(135deg, #FFD700, #FFCC00);
            color: #000;
        }
        
        .hero-image-wrapper {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .hero-image-wrapper img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 2px solid var(--border-gold);
            max-width: 100%;
            height: auto;
        }
        
        /* Stats Section */
        .stats-section {
            background: var(--bg-secondary);
            padding: 50px 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        
        .stat-item {
            text-align: center;
            padding: 20px;
            transition: all 0.3s ease;
        }
        
        .stat-item:hover {
            transform: translateY(-4px);
        }
        
        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--accent-gold);
            letter-spacing: -1px;
            line-height: 1.2;
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
            margin-top: 4px;
        }
        
        /* Features Section */
        .features-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-primary);
        }
        
        .section-header {
            margin-bottom: 48px;
            text-align: left;
        }
        
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            line-height: 1.7;
        }
        
        .feature-block {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid var(--border-light);
            transition: all 0.4s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        
        .feature-block::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-lime), transparent);
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        
        .feature-block:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-gold);
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
        }
        
        .feature-block:hover::before {
            opacity: 1;
        }
        
        .feature-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 204, 0, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.6rem;
            color: var(--accent-gold);
            transition: all 0.3s ease;
        }
        
        .feature-block:hover .feature-icon {
            background: rgba(255, 204, 0, 0.2);
            transform: scale(1.1);
        }
        
        .feature-block h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        
        .feature-block p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        
        /* Steps Section */
        .steps-section {
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
        }
        
        .steps-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 204, 0, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            position: relative;
            transition: all 0.4s ease;
            height: 100%;
        }
        
        .step-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
            color: #1a1a00;
            font-weight: 900;
            font-size: 1.2rem;
            border-radius: 50%;
            margin-bottom: 16px;
        }
        
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        
        /* Game Showcase */
        .games-section {
            padding: var(--spacing-section) 0;
            background: var(--bg-primary);
        }
        
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all 0.4s ease;
            height: 100%;
            position: relative;
        }
        
        .game-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .game-card-image {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        
        .game-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .game-card:hover .game-card-image img {
            transform: scale(1.08);
        }
        
        .game-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-red);
            color: white;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            z-index: 2;
        }
        
        .game-card-body {
            padding: 20px;
        }
        
        .game-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        
        .game-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        
        /* FAQ Section */
        .faq-section {
            background: var(--bg-secondary);
            padding: var(--spacing-section) 0;
        }
        
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .accordion-item:hover {
            border-color: var(--border-gold);
        }
        
        .accordion-button {
            background: var(--bg-card);
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            padding: 20px 24px;
            border-radius: var(--radius-md) !important;
            transition: all 0.3s ease;
        }
        
        .accordion-button:not(.collapsed) {
            background: var(--bg-card-hover);
            color: var(--accent-gold);
            box-shadow: none;
        }
        
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 204, 0, 0.2);
            border-color: var(--border-gold);
        }
        
        .accordion-button::after {
            filter: brightness(0) invert(1);
        }
        
        .accordion-body {
            background: var(--bg-card);
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 20px 24px;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--accent-gold-dark), #FF8F00);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }
        
        .cta-content {
            position: relative;
            z-index: 1;
        }
        
        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 900;
            color: #1a1a00;
            letter-spacing: -1px;
            margin-bottom: 16px;
        }
        
        .cta-content p {
            font-size: 1.1rem;
            color: #3d2e00;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        
        .btn-cta {
            background: #1a1a00;
            color: var(--accent-gold);
            font-weight: 800;
            font-size: 1.05rem;
            padding: 16px 40px;
            border-radius: 50px;
            border: none;
            transition: all 0.3s ease;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            display: inline-block;
        }
        
        .btn-cta:hover {
            background: #000;
            color: #FFD700;
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
        }
        
        /* Footer */
        .footer {
            background: var(--bg-secondary);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-light);
        }
        
        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        
        .footer-brand span {
            color: var(--accent-gold);
        }
        
        .footer-description {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .payment-badge {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            padding: 6px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.3s ease;
        }
        
        .payment-badge:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.1);
        }
        
        .payment-badge i {
            font-size: 0.85rem;
        }
        
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
        }
        
        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        
        /* FAB */
        .fab-custom {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 204, 0, 0.3);
            transition: all 0.3s ease;
            opacity: 0.75;
            animation: fab-float 3s ease-in-out infinite;
        }
        
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 204, 0, 0.5);
            animation-play-state: paused;
        }
        
        .fab-custom:active {
            transform: scale(0.95);
        }
        
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-secondary);
            animation: fab-blink 1.5s ease-in-out infinite;
        }
        
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* Responsive */
        @media (max-width: 991px) {
            .hero {
                padding: 50px 0 40px;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .hero-coupon {
                padding: 24px;
            }
            
            .coupon-title {
                font-size: 1.7rem;
            }
            
            .section-header h2 {
                font-size: 1.8rem;
            }
            
            .cta-content h2 {
                font-size: 2rem;
            }
            
            .navbar-custom .navbar-collapse {
                padding-top: 16px;
            }
            
            .navbar-custom .nav-link {
                padding: 10px 16px;
            }
            
            .navbar-custom .d-flex.align-items-center {
                margin-top: 12px;
                gap: 10px;
            }
        }
        
        @media (max-width: 767px) {
            :root {
                --spacing-section: 50px;
            }
            
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .hero-description {
                font-size: 0.95rem;
            }
            
            .section-header h2 {
                font-size: 1.5rem;
            }
            
            .stat-number {
                font-size: 1.8rem;
            }
            
            .feature-block {
                padding: 24px;
            }
            
            .step-card {
                padding: 20px;
            }
            
            .cta-content h2 {
                font-size: 1.6rem;
            }
            
            .cta-content p {
                font-size: 0.95rem;
            }
            
            .fab-custom {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            
            .hero h1 {
                font-size: 1.5rem;
            }
            
            .hero-coupon {
                padding: 18px;
            }
            
            .coupon-title {
                font-size: 1.4rem;
            }
            
            .coupon-code {
                font-size: 1rem;
                letter-spacing: 2px;
                padding: 10px 16px;
            }
            
            .btn-claim,
            .btn-cta {
                font-size: 0.9rem;
                padding: 12px 24px;
                width: 100%;
            }
            
            .navbar-custom .navbar-brand {
                font-size: 1.1rem;
            }
            
            .navbar-custom .navbar-brand span {
                font-size: 1.4rem;
            }
            
            .section-header h2 {
                font-size: 1.3rem;
            }
            
            .stat-number {
                font-size: 1.5rem;
            }
            
            .footer {
                padding: 40px 0 20px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A0C10;
            --bg-secondary: #0F1219;
            --bg-card: #13161D;
            --bg-card-hover: #181C25;
            --bg-surface: #161A22;
            --bg-metric: #0D1117;
            --border-metal: #1E2330;
            --border-active: #2A3140;
            --border-glow: #0052FF;
            --accent-electric: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-glow: rgba(0,82,255,0.25);
            --accent-cyan-glow: rgba(0,240,255,0.2);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --text-dim: #64748B;
            --danger: #EF4444;
            --success: #10B981;
            --warning: #F59E0B;
            --radius-sm: 2px;
            --radius-md: 3px;
            --radius-lg: 4px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.45), 0 0 0 1px rgba(30,35,48,0.6);
            --shadow-card-hover: 0 4px 16px rgba(0,82,255,0.15), 0 0 0 1px rgba(0,82,255,0.35);
            --shadow-glow: 0 0 20px rgba(0,240,255,0.12);
            --transition-fast: 150ms ease;
            --transition-normal: 250ms ease;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            font-size: 16px;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-electric);
        }
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

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

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

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }

        ::selection {
            background: var(--accent-electric);
            color: #FFFFFF;
        }

        /* ========== NAVBAR ========== */
        .navbar-custom {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-metal);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 1px 0 rgba(30,35,48,0.5);
        }
        .navbar-custom .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-primary) !important;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .navbar-custom .navbar-brand span {
            color: var(--accent-cyan);
            font-weight: 900;
            font-family: var(--font-mono);
            font-size: 1.35rem;
            text-shadow: 0 0 12px var(--accent-cyan-glow);
        }
        .navbar-custom .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.6rem 1rem !important;
            transition: color var(--transition-fast), background var(--transition-fast);
            border-radius: var(--radius-sm);
            letter-spacing: 0.1px;
        }
        .navbar-custom .nav-link:hover {
            color: var(--accent-cyan) !important;
            background: rgba(0,240,255,0.04);
        }
        .navbar-custom .nav-link.active {
            color: var(--accent-cyan) !important;
            background: rgba(0,240,255,0.07);
            font-weight: 600;
        }
        .btn-login {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.85rem;
            padding: 0.45rem 1.1rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-metal);
            background: transparent;
            transition: all var(--transition-fast);
            text-decoration: none;
            display: inline-block;
            letter-spacing: 0.2px;
        }
        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0,240,255,0.04);
        }
        .btn-signup {
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.45rem 1.3rem;
            border-radius: var(--radius-sm);
            background: var(--accent-electric);
            border: 1px solid var(--accent-electric);
            transition: all var(--transition-fast);
            text-decoration: none;
            display: inline-block;
            letter-spacing: 0.2px;
            box-shadow: 0 0 14px var(--accent-glow);
        }
        .btn-signup:hover {
            background: #0058FF;
            border-color: #0058FF;
            color: #FFFFFF;
            box-shadow: 0 0 22px rgba(0,82,255,0.45);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 1px solid var(--border-metal);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.6rem;
            background: var(--bg-surface);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(0,240,255,0.3);
            outline: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(203,213,225,0.8)' stroke-linecap='square' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== ARTICLE HEADER ========== */
        .article-header {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-metal);
            padding: 3rem 0 2rem;
            position: relative;
        }
        .article-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-electric), var(--accent-cyan), var(--accent-electric));
            opacity: 0.7;
        }
        .article-meta-icons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 1rem;
            align-items: center;
        }
        .meta-icon-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            color: var(--text-muted);
            background: var(--bg-card);
            border: 1px solid var(--border-metal);
            padding: 0.35rem 0.75rem;
            border-radius: var(--radius-sm);
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
        }
        .meta-icon-badge i {
            color: var(--accent-cyan);
            font-size: 0.7rem;
        }
        .status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 1.2rem;
        }
        .status-tag {
            font-size: 0.72rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            padding: 0.28rem 0.65rem;
            border-radius: var(--radius-sm);
            border: 1px solid;
            font-family: var(--font-mono);
        }
        .status-tag.verified {
            color: var(--success);
            border-color: rgba(16,185,129,0.4);
            background: rgba(16,185,129,0.06);
        }
        .status-tag.fast {
            color: var(--accent-cyan);
            border-color: rgba(0,240,255,0.35);
            background: rgba(0,240,255,0.05);
        }
        .status-tag.secure {
            color: var(--warning);
            border-color: rgba(245,158,11,0.4);
            background: rgba(245,158,11,0.06);
        }
        .article-h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            margin-bottom: 0.75rem;
        }
        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.82rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
            letter-spacing: 0.2px;
        }
        .article-meta-line span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-meta-line i {
            color: var(--accent-cyan);
            font-size: 0.7rem;
        }

        /* ========== METRIC STRIP ========== */
        .metric-strip {
            background: var(--bg-metric);
            border-top: 1px solid var(--border-metal);
            border-bottom: 1px solid var(--border-metal);
            padding: 1.2rem 0;
        }
        .metric-strip .metric-item {
            text-align: center;
            border-right: 1px solid var(--border-metal);
            padding: 0.3rem 1rem;
        }
        .metric-strip .metric-item:last-child {
            border-right: none;
        }
        .metric-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
            text-shadow: 0 0 10px var(--accent-cyan-glow);
        }
        .metric-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-top: 2px;
            font-weight: 500;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .article-main {
            padding: 2.5rem 0 3rem;
        }
        .content-primary {
            max-width: 720px;
        }
        .featured-image-wrap {
            margin-bottom: 2rem;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-metal);
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .featured-image-wrap img {
            width: 100%;
            display: block;
        }
        .featured-image-wrap::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-electric), var(--accent-cyan), transparent);
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }
        .article-body p {
            margin-bottom: 1.25rem;
        }
        .article-body h2 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-metal);
        }
        .article-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.5rem;
            margin-bottom: 1.25rem;
        }
        .article-body li {
            margin-bottom: 0.5rem;
        }
        .article-body blockquote {
            border-left: 3px solid var(--accent-electric);
            padding: 1rem 1.25rem;
            margin: 1.5rem 0;
            background: var(--bg-surface);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            border: 1px solid var(--border-metal);
        }
        .article-body a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--accent-electric);
        }
        .article-body strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        .article-body code {
            background: var(--bg-metric);
            padding: 0.15rem 0.4rem;
            border-radius: var(--radius-sm);
            font-family: var(--font-mono);
            font-size: 0.85em;
            color: var(--accent-cyan);
            border: 1px solid var(--border-metal);
        }

        /* Not found */
        .not-found-block {
            background: var(--bg-card);
            border: 1px solid var(--border-metal);
            border-radius: var(--radius-md);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .not-found-block .nf-icon {
            font-size: 3rem;
            color: var(--text-dim);
            margin-bottom: 1rem;
        }
        .not-found-block h2 {
            font-size: 1.4rem;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }
        .not-found-block p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }
        .btn-back-home {
            display: inline-block;
            padding: 0.6rem 1.5rem;
            background: var(--accent-electric);
            color: #FFFFFF;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            box-shadow: 0 0 14px var(--accent-glow);
        }
        .btn-back-home:hover {
            background: #0058FF;
            color: #FFFFFF;
            box-shadow: 0 0 22px rgba(0,82,255,0.45);
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            position: sticky;
            top: 90px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-metal);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 1px solid var(--border-metal);
            letter-spacing: 0.2px;
            text-transform: uppercase;
            font-family: var(--font-mono);
            font-size: 0.78rem;
            color: var(--accent-cyan);
        }
        .sidebar-metric-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.55rem 0;
            border-bottom: 1px solid rgba(30,35,48,0.5);
            font-size: 0.85rem;
        }
        .sidebar-metric-row:last-child {
            border-bottom: none;
        }
        .sidebar-metric-row .sml {
            color: var(--text-muted);
        }
        .sidebar-metric-row .smv {
            font-weight: 700;
            color: var(--text-primary);
            font-family: var(--font-mono);
            font-size: 0.82rem;
        }
        .sidebar-cta-btn {
            display: block;
            width: 100%;
            padding: 0.7rem 1rem;
            background: var(--accent-electric);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 0 14px var(--accent-glow);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .sidebar-cta-btn:hover {
            background: #0058FF;
            box-shadow: 0 0 22px rgba(0,82,255,0.45);
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        .sidebar-cta-btn.secondary {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: none;
            margin-top: 0.6rem;
        }
        .sidebar-cta-btn.secondary:hover {
            background: rgba(0,240,255,0.06);
            box-shadow: 0 0 16px var(--accent-cyan-glow);
            color: var(--accent-cyan);
        }
        .sidebar-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .sidebar-tag {
            font-size: 0.7rem;
            padding: 0.25rem 0.6rem;
            background: var(--bg-surface);
            border: 1px solid var(--border-metal);
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .sidebar-tag:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0,240,255,0.04);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-metal);
            border-bottom: 1px solid var(--border-metal);
            padding: 3rem 0;
        }
        .cta-section h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            max-width: 600px;
        }
        .btn-cta-large {
            display: inline-block;
            padding: 0.8rem 2rem;
            background: var(--accent-electric);
            color: #FFFFFF;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            box-shadow: 0 0 20px var(--accent-glow);
            letter-spacing: 0.3px;
            border: none;
            cursor: pointer;
        }
        .btn-cta-large:hover {
            background: #0058FF;
            box-shadow: 0 0 30px rgba(0,82,255,0.5);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-cta-outline {
            display: inline-block;
            padding: 0.8rem 2rem;
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid var(--accent-cyan);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            margin-left: 0.75rem;
        }
        .btn-cta-outline:hover {
            background: rgba(0,240,255,0.06);
            box-shadow: 0 0 18px var(--accent-cyan-glow);
            color: var(--accent-cyan);
        }

        /* ========== FAB ========== */
        .fab-cyber {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1060;
            width: 52px;
            height: 52px;
            border-radius: 50px;
            background: rgba(13,17,23,0.75);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1.5px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: 0 0 18px rgba(0,240,255,0.35), 0 0 40px rgba(0,82,255,0.15);
            animation: fab-breath 3s ease-in-out infinite;
            text-decoration: none;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            overflow: visible;
        }
        .fab-cyber::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50px;
            padding: 1.5px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-electric), var(--accent-cyan));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
            animation: fab-border-flow 2.5s linear infinite;
        }
        @keyframes fab-breath {
            0%, 100% { opacity: 0.7; transform: translateY(0); }
            50% { opacity: 1; transform: translateY(-4px); }
        }
        @keyframes fab-border-flow {
            0% { filter: hue-rotate(0deg); }
            100% { filter: hue-rotate(360deg); }
        }
        .fab-cyber:hover {
            opacity: 1;
            box-shadow: 0 0 28px rgba(0,240,255,0.55), 0 0 55px rgba(0,82,255,0.3);
            transform: scale(1.1);
            color: #FFFFFF;
            animation: none;
        }
        .fab-cyber:active {
            transform: scale(0.94);
            transition: transform 80ms ease;
        }
        .fab-notification {
            position: absolute;
            top: 1px;
            right: 1px;
            width: 11px;
            height: 11px;
            background: #FF0055;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: fab-dot-blink 1.2s ease-in-out infinite;
        }
        @keyframes fab-dot-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.25; }
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-metal);
            padding: 3rem 0 1.5rem;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.2px;
        }
        .footer-brand span {
            color: var(--accent-cyan);
            font-family: var(--font-mono);
            font-size: 0.85rem;
            text-shadow: 0 0 8px var(--accent-cyan-glow);
        }
        .footer-description {
            color: var(--text-muted);
            font-size: 0.82rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.7rem;
            padding: 0.3rem 0.65rem;
            background: var(--bg-surface);
            border: 1px solid var(--border-metal);
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
        }
        .payment-badge i {
            color: var(--accent-cyan);
            font-size: 0.65rem;
        }
        .footer-heading {
            font-weight: 700;
            font-size: 0.8rem;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.8rem;
            font-family: var(--font-mono);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.45rem;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-metal);
            margin-top: 2rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.72rem;
            color: var(--text-dim);
            letter-spacing: 0.2px;
        }
        .footer-bottom p {
            margin-bottom: 0.3rem;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-h1 {
                font-size: 1.6rem;
            }
            .content-primary {
                max-width: 100%;
            }
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
            .metric-value {
                font-size: 1.2rem;
            }
            .metric-strip .metric-item {
                border-right: none;
                border-bottom: 1px solid var(--border-metal);
                padding: 0.5rem 0.5rem;
            }
            .metric-strip .metric-item:last-child {
                border-bottom: none;
            }
        }
        @media (max-width: 768px) {
            .article-header {
                padding: 2rem 0 1.5rem;
            }
            .article-h1 {
                font-size: 1.35rem;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .cta-section h3 {
                font-size: 1.2rem;
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 0.6rem;
            }
            .metric-strip .metric-item {
                flex: 0 0 50%;
            }
            .navbar-custom .btn-login,
            .navbar-custom .btn-signup {
                display: inline-block !important;
                font-size: 0.78rem;
                padding: 0.35rem 0.8rem;
            }
            .fab-cyber {
                width: 44px;
                height: 44px;
                left: 0.6rem;
                bottom: 5rem;
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .article-h1 {
                font-size: 1.2rem;
            }
            .article-meta-icons {
                gap: 6px;
            }
            .meta-icon-badge {
                font-size: 0.68rem;
                padding: 0.25rem 0.5rem;
            }
            .status-tag {
                font-size: 0.65rem;
                padding: 0.2rem 0.5rem;
            }
            .article-body {
                font-size: 0.9rem;
                line-height: 1.65;
            }
            .featured-image-wrap {
                border-radius: var(--radius-sm);
            }
            .cta-section {
                padding: 2rem 0;
            }
            .footer {
                padding: 2rem 0 1rem;
            }
            .metric-strip {
                padding: 0.8rem 0;
            }
            .metric-value {
                font-size: 1rem;
            }
            .metric-label {
                font-size: 0.62rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: #151233;
            --bg-card-hover: #1B1742;
            --accent-primary: #CCFF00;
            --accent-secondary: #00F0FF;
            --accent-hot: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6E7582;
            --border-neon: rgba(0, 240, 255, 0.35);
            --border-glow: rgba(204, 255, 0, 0.45);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lift: 0 20px 40px rgba(0, 0, 0, 0.6);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .navbar-custom {
            background: rgba(15, 12, 32, 0.95);
            border-bottom: 1px solid rgba(0, 240, 255, 0.18);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--accent-primary) !important;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-brand span {
            background: var(--accent-secondary);
            color: #000;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 1.1rem;
            font-weight: 900;
            letter-spacing: 1px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            margin: 0 4px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--accent-primary);
            background: rgba(204, 255, 0, 0.08);
        }

        .btn-login {
            color: var(--text-primary);
            font-weight: 700;
            padding: 8px 20px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 25px;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-login:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #000;
            font-weight: 800;
            padding: 8px 24px;
            border-radius: 25px;
            font-size: 0.9rem;
            box-shadow: 0 0 15px rgba(204, 255, 0, 0.35);
            transition: var(--transition);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(204, 255, 0, 0.55);
            color: #000;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.3);
        }

        .hero-category {
            background: var(--bg-secondary);
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0 100px;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.92) 30%, rgba(11, 26, 48, 0.7) 70%);
            z-index: 1;
        }

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

        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            color: var(--text-primary);
            max-width: 800px;
            margin-bottom: 20px;
        }

        .hero-category h1 .highlight {
            color: var(--accent-primary);
            text-shadow: 0 0 20px rgba(204, 255, 0, 0.5);
        }

        .hero-category .lead {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
        }

        .badge-neon {
            display: inline-block;
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-primary);
            border: 1px solid var(--border-glow);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .btn-neon {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #000;
            font-weight: 800;
            padding: 14px 36px;
            border-radius: 35px;
            font-size: 1.05rem;
            border: none;
            box-shadow: 0 0 25px rgba(204, 255, 0, 0.4);
            transition: var(--transition);
            display: inline-block;
        }

        .btn-neon:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 40px rgba(204, 255, 0, 0.6);
            color: #000;
        }

        .btn-outline-neon {
            background: transparent;
            color: var(--accent-secondary);
            border: 2px solid var(--accent-secondary);
            padding: 12px 30px;
            border-radius: 35px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-block;
        }

        .btn-outline-neon:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: var(--shadow-neon);
            color: var(--accent-secondary);
        }

        .coupon-hero {
            background: linear-gradient(145deg, #1B1742, #0F0C20);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.2), var(--shadow-lift);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .coupon-hero::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .coupon-label {
            font-size: 0.85rem;
            color: var(--accent-secondary);
            text-transform: uppercase;
            letter-spacing: 2px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .coupon-value {
            font-size: 4.5rem;
            font-weight: 900;
            color: var(--accent-primary);
            text-shadow: 0 0 25px rgba(204, 255, 0, 0.6);
            line-height: 1;
            margin-bottom: 10px;
        }

        .coupon-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .section-block {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 40px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 24px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .feature-item:last-child {
            border-bottom: none;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent-secondary);
            font-size: 1.4rem;
        }

        .feature-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .feature-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .game-card-custom {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            position: relative;
        }

        .game-card-custom:hover {
            transform: translateY(-8px);
            border-color: var(--border-neon);
            box-shadow: var(--shadow-neon);
            background: var(--bg-card-hover);
        }

        .game-card-custom img {
            height: 200px;
            width: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .game-card-custom:hover img {
            transform: scale(1.05);
        }

        .game-card-body {
            padding: 20px;
        }

        .game-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .game-card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        .game-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-hot);
            color: #fff;
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .data-bar {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 50px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .data-item {
            flex: 1;
            min-width: 150px;
        }

        .data-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--accent-primary);
            line-height: 1;
            margin-bottom: 6px;
            text-shadow: 0 0 20px rgba(204, 255, 0, 0.4);
        }

        .data-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }

        .step-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.25);
        }

        .step-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: rgba(0, 240, 255, 0.25);
            margin-bottom: 14px;
            line-height: 1;
        }

        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            padding: 22px 28px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            transition: var(--transition);
        }

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

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

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

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

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

        .cta-panel {
            background: linear-gradient(135deg, #1B1742, #0F0C20);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            box-shadow: 0 0 35px rgba(204, 255, 0, 0.2);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-hot));
        }

        .cta-panel h2 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-panel p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        .footer {
            background: #0A0818;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 60px 0 30px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--accent-primary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

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

        .footer-description {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .payment-badge {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 20px;
            padding: 6px 14px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .payment-badge:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

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

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

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-secondary);
            font-size: 1.3rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-neon);
            animation: floatBreath 3s ease-in-out infinite;
        }

        .fab-left:hover {
            transform: scale(1.15);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            color: var(--accent-primary);
        }

        .fab-left:active {
            transform: scale(0.92);
        }

        .fab-left .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-hot);
            border-radius: 50%;
            border: 2px solid #000;
            animation: blinkDot 1.5s infinite;
        }

        @keyframes floatBreath {
            0%, 100% { transform: translateY(0); opacity: 0.65; }
            50% { transform: translateY(-8px); opacity: 1; }
        }

        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        @media (max-width: 991.98px) {
            .hero-category {
                padding: 60px 0 80px;
            }
            .hero-category h1 {
                font-size: 2.2rem;
            }
            .coupon-value {
                font-size: 3.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .data-number {
                font-size: 2rem;
            }
            .btn-login, .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 767.98px) {
            .hero-category {
                padding: 50px 0 70px;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .hero-category .lead {
                font-size: 1rem;
            }
            .coupon-hero {
                padding: 30px 20px;
            }
            .coupon-value {
                font-size: 3rem;
            }
            .section-block {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .game-card-custom img {
                height: 160px;
            }
            .cta-panel {
                padding: 40px 24px;
            }
            .cta-panel h2 {
                font-size: 1.5rem;
            }
            .data-bar {
                gap: 20px;
            }
            .data-item {
                min-width: 100px;
            }
            .data-number {
                font-size: 1.8rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
                font-size: 1.1rem;
            }
            .btn-login, .btn-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
                white-space: nowrap;
            }
        }

        @media (max-width: 519.98px) {
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .coupon-value {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .feature-icon {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
            .game-card-custom img {
                height: 140px;
            }
            .step-card {
                padding: 24px 20px;
            }
            .footer {
                padding: 40px 0 20px;
            }
            .payment-badge {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
            .btn-neon {
                padding: 12px 26px;
                font-size: 0.9rem;
            }
            .btn-outline-neon {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
        }