/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A8C5BC;
            --border-color: rgba(255, 215, 0, 0.2);
            --card-bg: rgba(18, 62, 37, 0.6);
            --overlay-dark: rgba(10, 46, 28, 0.95);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 4rem;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

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

        /* Header & Navigation */
        header {
            position: fixed;
            top: var(--spacing-md);
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - var(--spacing-xl));
            max-width: 1280px;
            z-index: 1000;
            transition: var(--transition);
        }

        nav {
            background: var(--overlay-dark);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: var(--spacing-sm) var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-lg);
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .btn-login {
            color: var(--text-secondary);
            font-weight: 500;
            padding: var(--spacing-xs) var(--spacing-md);
            transition: var(--transition);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA000 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: var(--spacing-xs) var(--spacing-lg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
        }

        .mobile-toggle {
            display: none;
            background: none;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
            background: var(--accent-red);
            color: var(--text-primary);
            padding: var(--spacing-xs) var(--spacing-md);
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 0.875rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: var(--spacing-md);
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.4);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFF 50%, var(--accent-gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-description {
            font-size: 1.25rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-xl);
        }

        .hero-actions {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA000 100%);
            color: var(--primary-bg);
            font-weight: 700;
            font-size: 1.125rem;
            padding: var(--spacing-md) var(--spacing-xl);
            border-radius: var(--radius-lg);
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.125rem;
            padding: var(--spacing-md) var(--spacing-xl);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--accent-gold);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
            margin-top: var(--spacing-2xl);
        }

        .stat-item {
            text-align: center;
            padding: var(--spacing-md);
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }

        .stat-value {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        /* Section Styles */
        section {
            padding: var(--spacing-2xl) 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto var(--spacing-xl);
        }

        .section-tag {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.875rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: var(--spacing-sm);
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
        }

        .section-description {
            font-size: 1.125rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Game Cards */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-lg);
        }

        .game-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            cursor: pointer;
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-8px);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .game-card-image {
            position: relative;
            width: 100%;
            height: 200px;
            overflow: hidden;
        }

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

        .game-card:hover .game-card-image img {
            transform: scale(1.1);
        }

        .game-badge {
            position: absolute;
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            background: var(--accent-red);
            color: var(--text-primary);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.75rem;
            text-transform: uppercase;
            z-index: 2;
        }

        .game-card-content {
            padding: var(--spacing-md);
        }

        .game-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }

        .game-card-description {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: var(--spacing-md);
        }

        .game-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-color);
        }

        .game-rating {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* Rules Section */
        .rules-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .rules-visual {
            position: sticky;
            top: 120px;
        }

        .rules-visual img {
            width: 100%;
            border-radius: var(--radius-lg);
            border: 2px solid var(--border-color);
            box-shadow: var(--shadow-lg);
        }

        .rules-content {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
        }

        .rule-item {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            transition: var(--transition);
        }

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

        .rule-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA000 100%);
            color: var(--primary-bg);
            font-size: 1.5rem;
            font-weight: 900;
            border-radius: 50%;
            margin-bottom: var(--spacing-md);
            box-shadow: var(--shadow-gold);
        }

        .rule-title {
            font-size: 1.375rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }

        .rule-description {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Tips Section */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: var(--spacing-lg);
        }

        .tip-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .tip-card:hover {
            transform: translateX(8px);
            border-color: var(--accent-gold);
        }

        .tip-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 160, 0, 0.2) 100%);
            color: var(--accent-gold);
            font-size: 2rem;
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-md);
        }

        .tip-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }

        .tip-description {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CMS Articles Section */
        .articles-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-xl);
        }

        .articles-main {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .article-item {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            transition: var(--transition);
            display: flex;
            gap: var(--spacing-md);
        }

        .article-item:hover {
            border-color: var(--accent-gold);
            transform: translateX(4px);
        }

        .article-meta {
            flex: 1;
        }

        .article-category {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
        }

        .article-title {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            color: var(--text-primary);
            line-height: 1.4;
        }

        .article-excerpt {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
        }

        .article-date {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        .articles-sidebar {
            position: sticky;
            top: 120px;
        }

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

        .widget-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--accent-gold);
        }

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

        .widget-list li {
            margin-bottom: var(--spacing-sm);
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px solid var(--border-color);
        }

        .widget-list li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .widget-list a {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            transition: var(--transition);
        }

        .widget-list a:hover {
            color: var(--accent-gold);
            padding-left: var(--spacing-xs);
        }

        /* FAQ Section */
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            width: 100%;
            padding: var(--spacing-lg);
            background: none;
            color: var(--text-primary);
            font-size: 1.125rem;
            font-weight: 700;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .faq-icon {
            color: var(--accent-gold);
            transition: var(--transition);
        }

        .faq-answer {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 1rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl);
            text-align: center;
            border: 2px solid var(--border-color);
            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 no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFF 50%, var(--accent-gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cta-description {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-xl);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        footer {
            background: var(--overlay-dark);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-2xl);
        }

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

        .footer-brand {
            max-width: 350px;
        }

        .footer-logo {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
        }

        .footer-description {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .footer-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
        }

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

        .footer-links li {
            margin-bottom: var(--spacing-sm);
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9375rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: var(--spacing-xs);
        }

        .footer-bottom {
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }

        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.875rem;
        }

        .footer-badges {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .badge-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            color: var(--text-muted);
            font-size: 0.875rem;
        }

        .badge-item i {
            color: var(--accent-gold);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
        }

        .fab-button {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA000 100%);
            border: 3px solid rgba(255, 215, 0, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-bg);
            font-size: 1.75rem;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            opacity: 0.85;
            animation: fabPulse 2s infinite;
        }

        .fab-button:hover {
            opacity: 1;
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.6);
        }

        @keyframes fabPulse {
            0%, 100% {
                transform: translateY(0);
                box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            }
            50% {
                transform: translateY(-8px);
                box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
            }
        }

        /* Payment Methods */
        .payment-methods {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            padding: var(--spacing-lg);
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }

        .payment-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9375rem;
        }

        .payment-item i {
            color: var(--accent-gold);
            font-size: 1.25rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.75rem;
            }

            .rules-container {
                grid-template-columns: 1fr;
            }

            .rules-visual {
                position: relative;
                top: 0;
            }

            .articles-layout {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            header {
                top: var(--spacing-sm);
                width: calc(100% - var(--spacing-md));
            }

            nav {
                padding: var(--spacing-sm);
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--overlay-dark);
                backdrop-filter: blur(20px);
                border: 1px solid var(--border-color);
                border-radius: var(--radius-md);
                margin-top: var(--spacing-sm);
                padding: var(--spacing-md);
                flex-direction: column;
                gap: var(--spacing-sm);
            }

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

            .mobile-toggle {
                display: block;
            }

            .hero {
                padding-top: 80px;
                min-height: auto;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero-description {
                font-size: 1rem;
            }

            .hero-stats {
                grid-template-columns: 1fr;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .section-title {
                font-size: 1.75rem;
            }

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

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

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-title {
                font-size: 1.75rem;
            }

            .fab {
                left: 0.75rem;
                bottom: 5rem;
            }

            .fab-button {
                width: 56px;
                height: 56px;
                font-size: 1.5rem;
            }
        }

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

            .hero h1 {
                font-size: 1.75rem;
            }

            .stat-value {
                font-size: 2rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .payment-methods {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-pale: #D1F2EB;
            --text-muted: #A8C5BA;
            --border-color: rgba(255, 215, 0, 0.2);
            --card-bg: rgba(18, 62, 37, 0.6);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 20px rgba(255, 215, 0, 0.2);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
        }
        
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: #FFC700;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
        }
        
        .logo i {
            font-size: 1.8rem;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
            align-items: center;
        }
        
        .nav-menu a {
            color: var(--text-pale);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }
        
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
        }
        
        .nav-actions {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }
        
        .btn-login {
            color: var(--text-pale);
            font-weight: 500;
            padding: 10px 20px;
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
        }
        
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        main {
            padding-top: 80px;
            min-height: calc(100vh - 400px);
        }
        
        .article-hero {
            background: linear-gradient(rgba(10, 46, 28, 0.8), rgba(18, 62, 37, 0.9)), url('/assets/images/backpic/back-2.jpg') center/cover;
            padding: var(--spacing-xl) 0;
            text-align: center;
            border-bottom: 2px solid var(--border-color);
        }
        
        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
            line-height: 1.2;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-md);
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-wrap: wrap;
        }
        
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .article-meta i {
            color: var(--accent-gold);
        }
        
        .article-container {
            max-width: 900px;
            margin: 0 auto;
            padding: var(--spacing-xl) var(--spacing-md);
        }
        
        .article-content {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-md);
        }
        
        .article-content h2 {
            color: var(--accent-gold);
            font-size: 1.8rem;
            font-weight: 700;
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            border-left: 4px solid var(--accent-gold);
            padding-left: var(--spacing-sm);
        }
        
        .article-content h3 {
            color: var(--text-pale);
            font-size: 1.4rem;
            font-weight: 600;
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
        }
        
        .article-content h2:first-child,
        .article-content h3:first-child {
            margin-top: 0;
        }
        
        .article-content p {
            color: var(--text-pale);
            margin-bottom: var(--spacing-sm);
            line-height: 1.7;
        }
        
        .article-content ul,
        .article-content ol {
            color: var(--text-pale);
            margin-bottom: var(--spacing-sm);
            padding-left: var(--spacing-lg);
        }
        
        .article-content li {
            margin-bottom: var(--spacing-xs);
            line-height: 1.6;
        }
        
        .article-content strong {
            color: var(--accent-gold);
            font-weight: 600;
        }
        
        .article-content a {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        
        .article-content img {
            border-radius: var(--radius-md);
            margin: var(--spacing-md) 0;
            box-shadow: var(--shadow-md);
        }
        
        .article-content blockquote {
            background: rgba(255, 215, 0, 0.05);
            border-left: 4px solid var(--accent-gold);
            padding: var(--spacing-sm) var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: var(--radius-sm);
            font-style: italic;
            color: var(--text-pale);
        }
        
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-md) 0;
            background: rgba(10, 46, 28, 0.4);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        
        .article-content th,
        .article-content td {
            padding: 12px;
            text-align: left;
            border: 1px solid var(--border-color);
        }
        
        .article-content th {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-weight: 600;
        }
        
        .not-found {
            text-align: center;
            padding: var(--spacing-xl) 0;
        }
        
        .not-found h2 {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .not-found p {
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }
        
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
        }
        
        .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
            color: var(--primary-bg);
        }
        
        .article-cta {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(211, 47, 47, 0.1));
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-xl);
            text-align: center;
        }
        
        .article-cta h3 {
            color: var(--accent-gold);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }
        
        .article-cta p {
            color: var(--text-pale);
            margin-bottom: var(--spacing-md);
        }
        
        .cta-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
            color: var(--primary-bg);
        }
        
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent-gold);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            border: 2px solid var(--accent-gold);
            transition: all 0.3s ease;
        }
        
        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            transform: translateY(-2px);
            color: var(--accent-gold);
        }
        
        footer {
            background: rgba(10, 46, 28, 0.95);
            border-top: 2px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        
        .footer-brand {
            grid-column: span 1;
        }
        
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
        }
        
        .footer-description {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        .footer-title {
            color: var(--accent-gold);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: var(--spacing-xs);
        }
        
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.95rem;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: var(--spacing-md);
            text-align: center;
        }
        
        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 999;
        }
        
        .fab-button {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            border: 3px solid rgba(255, 215, 0, 0.5);
            border-radius: 50%;
            color: var(--primary-bg);
            font-size: 1.8rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
        }
        
        .fab-button:hover {
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 6px 30px rgba(255, 215, 0, 0.6);
        }
        
        .fab-button:active {
            transform: scale(0.95);
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                flex-direction: column;
                background: rgba(10, 46, 28, 0.98);
                width: 100%;
                padding: var(--spacing-md);
                border-top: 1px solid var(--border-color);
                transition: left 0.3s ease;
                align-items: flex-start;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .nav-actions {
                width: 100%;
                justify-content: flex-end;
            }
            
            .article-hero h1 {
                font-size: 1.8rem;
            }
            
            .article-content {
                padding: var(--spacing-md);
            }
            
            .article-content h2 {
                font-size: 1.5rem;
            }
            
            .article-content h3 {
                font-size: 1.2rem;
            }
            
            .cta-buttons {
                flex-direction: column;
            }
            
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .fab-button {
                width: 56px;
                height: 56px;
                font-size: 1.5rem;
            }
        }
        
        @media (max-width: 520px) {
            .article-hero {
                padding: var(--spacing-lg) 0;
            }
            
            .article-hero h1 {
                font-size: 1.5rem;
            }
            
            .article-meta {
                font-size: 0.85rem;
            }
            
            .logo span {
                font-size: 1.1rem;
            }
            
            .fab-left {
                left: 12px;
                bottom: 70px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FA89F;
            --border-color: rgba(255, 215, 0, 0.2);
            --card-bg: rgba(18, 62, 37, 0.6);
            --hover-bg: rgba(255, 215, 0, 0.1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        
        header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-md);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
        }
        
        .logo i {
            font-size: 1.8rem;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            gap: var(--spacing-lg);
        }
        
        .nav-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }
        
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent-gold);
            background: var(--hover-bg);
        }
        
        .nav-actions {
            display: flex;
            gap: var(--spacing-sm);
        }
        
        .btn-login {
            padding: var(--spacing-xs) var(--spacing-md);
            color: var(--text-secondary);
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-signup {
            padding: var(--spacing-xs) var(--spacing-md);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFB700 100%);
            color: var(--primary-bg);
            font-weight: 700;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
        }
        
        .mobile-toggle {
            display: none;
            color: var(--accent-gold);
            font-size: 1.5rem;
        }
        
        .hero-banner {
            background: linear-gradient(rgba(10, 46, 28, 0.85), rgba(18, 62, 37, 0.85)), url('/assets/images/backpic/back-1.jpg') center/cover;
            padding: var(--spacing-xl) 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }
        
        .hero-left h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
        }
        
        .hero-left p {
            font-size: 1.125rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }
        
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .stat-item {
            text-align: center;
            padding: var(--spacing-md);
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            display: block;
        }
        
        .stat-label {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-top: var(--spacing-xs);
        }
        
        .hero-right {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            backdrop-filter: blur(10px);
        }
        
        .rank-header {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px solid var(--border-color);
        }
        
        .rank-header i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        
        .rank-header h3 {
            font-size: 1.25rem;
            color: var(--accent-gold);
        }
        
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        
        .rank-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm);
            background: rgba(255, 215, 0, 0.05);
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }
        
        .rank-item:hover {
            background: rgba(255, 215, 0, 0.1);
            transform: translateX(4px);
        }
        
        .rank-left {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        
        .rank-badge {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 700;
            border-radius: 50%;
            font-size: 0.875rem;
        }
        
        .rank-name {
            font-weight: 600;
            color: var(--text-primary);
        }
        
        .rank-difficulty {
            font-size: 0.75rem;
            padding: 2px 8px;
            background: var(--accent-red);
            color: white;
            border-radius: 4px;
            font-weight: 600;
        }
        
        .rank-difficulty.easy {
            background: #4CAF50;
        }
        
        .rank-difficulty.medium {
            background: #FF9800;
        }
        
        .section {
            padding: var(--spacing-xl) 0;
        }
        
        .section-header {
            text-align: left;
            margin-bottom: var(--spacing-lg);
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .section-subtitle {
            font-size: 1.125rem;
            color: var(--text-secondary);
            max-width: 800px;
        }
        
        .basics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }
        
        .basic-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            transition: all 0.3s ease;
        }
        
        .basic-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .basic-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFB700 100%);
            color: var(--primary-bg);
            font-size: 1.5rem;
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-md);
        }
        
        .basic-card h3 {
            font-size: 1.25rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .basic-card p {
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .rules-container {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
        }
        
        .rule-item {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: var(--spacing-md);
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--border-color);
        }
        
        .rule-item:last-child {
            border-bottom: none;
        }
        
        .rule-number {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFB700 100%);
            color: var(--primary-bg);
            font-size: 1.25rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        
        .rule-content h4 {
            font-size: 1.125rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
        }
        
        .rule-content p {
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .hands-showcase {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
        }
        
        .hand-card {
            background: linear-gradient(135deg, rgba(18, 62, 37, 0.8) 0%, rgba(10, 46, 28, 0.9) 100%);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .hand-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        
        .hand-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .hand-info {
            padding: var(--spacing-md);
        }
        
        .hand-rank {
            display: inline-block;
            padding: 4px 12px;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 700;
            font-size: 0.875rem;
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
        }
        
        .hand-info h3 {
            font-size: 1.25rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
        }
        
        .hand-info p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.6;
        }
        
        .terms-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: var(--spacing-sm);
        }
        
        .term-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: var(--spacing-md);
            transition: all 0.3s ease;
        }
        
        .term-item:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }
        
        .term-word {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 1.0625rem;
            display: block;
            margin-bottom: var(--spacing-xs);
        }
        
        .term-definition {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.6;
        }
        
        .practice-section {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.1) 0%, rgba(255, 215, 0, 0.05) 100%);
            border: 1px solid var(--accent-red);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
        }
        
        .practice-header {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
        }
        
        .practice-header i {
            font-size: 2rem;
            color: var(--accent-red);
        }
        
        .practice-header h3 {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        
        .practice-list {
            display: grid;
            gap: var(--spacing-sm);
        }
        
        .practice-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            padding: var(--spacing-md);
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--accent-red);
        }
        
        .practice-item i {
            color: var(--accent-gold);
            margin-top: 4px;
            font-size: 1.125rem;
        }
        
        .practice-item p {
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        
        .faq-question {
            width: 100%;
            padding: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            cursor: pointer;
            text-align: left;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.0625rem;
            transition: all 0.3s ease;
        }
        
        .faq-question:hover {
            color: var(--accent-gold);
        }
        
        .faq-question i {
            color: var(--accent-gold);
            font-size: 1.25rem;
            transition: transform 0.3s ease;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .faq-item.active .faq-answer {
            max-height: 500px;
        }
        
        .faq-answer-content {
            padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .cta-section {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(211, 47, 47, 0.1) 100%);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .cta-section p {
            font-size: 1.125rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            padding: var(--spacing-sm) var(--spacing-lg);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFB700 100%);
            color: var(--primary-bg);
            font-weight: 700;
            font-size: 1.0625rem;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
        }
        
        .btn-secondary {
            padding: var(--spacing-sm) var(--spacing-lg);
            background: transparent;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.0625rem;
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        
        .btn-secondary:hover {
            background: var(--hover-bg);
            transform: translateY(-2px);
        }
        
        footer {
            background: rgba(10, 46, 28, 0.95);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        
        .footer-brand {
            max-width: 350px;
        }
        
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-description {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.9375rem;
        }
        
        .footer-title {
            font-size: 1.125rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
            font-weight: 700;
        }
        
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }
        
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
            transform: translateX(4px);
        }
        
        .footer-bottom {
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border-color);
            text-align: center;
        }
        
        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.875rem;
        }
        
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
        }
        
        .fab-button {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, #1A1A1A 0%, #121212 100%);
            border: 3px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-gold);
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
        }
        
        .fab-button:hover {
            opacity: 1;
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }
        
        .fab-button i {
            font-size: 1.75rem;
            color: var(--accent-gold);
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
            }
            
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu,
            .nav-actions {
                display: none;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .hero-left h1 {
                font-size: 2rem;
            }
            
            .hero-stats {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 1.75rem;
            }
            
            .basics-grid {
                grid-template-columns: 1fr;
            }
            
            .hands-showcase {
                grid-template-columns: 1fr;
            }
            
            .terms-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .cta-buttons {
                flex-direction: column;
            }
            
            .fab-button {
                width: 56px;
                height: 56px;
            }
            
            .fab-button i {
                font-size: 1.5rem;
            }
        }
        
        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 1.75rem;
            }
            
            .hero-left p {
                font-size: 1rem;
            }
            
            .stat-number {
                font-size: 1.5rem;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A8C5BA;
            --border-color: rgba(255, 215, 0, 0.2);
            --card-bg: rgba(18, 62, 37, 0.6);
            --card-hover: rgba(18, 62, 37, 0.9);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, input, select, textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        
        /* Header & Navigation */
        header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-md);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            transition: transform 0.3s ease;
        }
        
        .logo:hover {
            transform: scale(1.05);
        }
        
        .logo i {
            font-size: 1.75rem;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            gap: var(--spacing-lg);
        }
        
        .nav-menu a {
            color: var(--text-secondary);
            font-weight: 500;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s ease;
        }
        
        .nav-menu a:hover, .nav-menu a.active {
            color: var(--accent-gold);
        }
        
        .nav-menu a:hover::after, .nav-menu a.active::after {
            width: 80%;
        }
        
        .nav-actions {
            display: flex;
            gap: var(--spacing-sm);
        }
        
        .btn-login {
            padding: var(--spacing-xs) var(--spacing-md);
            color: var(--text-secondary);
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-signup {
            padding: var(--spacing-xs) var(--spacing-md);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
        }
        
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(10, 46, 28, 0.85), rgba(18, 62, 37, 0.85)), url('/assets/images/backpic/back-2.jpg') center/cover;
            padding: var(--spacing-xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }
        
        .hero-badge {
            display: inline-block;
            padding: var(--spacing-xs) var(--spacing-md);
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--accent-gold);
            border-radius: 50px;
            color: var(--accent-gold);
            font-size: 0.875rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-md);
        }
        
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        
        .hero-description {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }
        
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            margin-top: var(--spacing-lg);
        }
        
        .stat-item {
            text-align: center;
            padding: var(--spacing-md);
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            min-width: 150px;
        }
        
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            display: block;
        }
        
        .stat-label {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-top: var(--spacing-xs);
        }
        
        /* Strategy Grid */
        .strategy-section {
            padding: var(--spacing-xl) 0;
        }
        
        .section-header {
            text-align: left;
            margin-bottom: var(--spacing-lg);
        }
        
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .section-subtitle {
            font-size: 1.125rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: var(--spacing-lg);
        }
        
        .strategy-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold) 0%, var(--accent-red) 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .strategy-card:hover {
            background: var(--card-hover);
            transform: translateY(-8px);
            box-shadow: var(--shadow-gold);
            border-color: var(--accent-gold);
        }
        
        .strategy-card:hover::before {
            opacity: 1;
        }
        
        .strategy-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            color: var(--primary-bg);
            margin-bottom: var(--spacing-md);
        }
        
        .strategy-card h3 {
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }
        
        .strategy-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }
        
        .strategy-features {
            list-style: none;
            margin-top: var(--spacing-md);
        }
        
        .strategy-features li {
            padding: var(--spacing-xs) 0;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        
        .strategy-features li::before {
            content: '✓';
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.125rem;
        }
        
        /* Deep Dive Section */
        .deep-dive {
            padding: var(--spacing-xl) 0;
            background: rgba(18, 62, 37, 0.3);
        }
        
        .dive-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        
        .dive-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 2px solid var(--border-color);
        }
        
        .dive-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .dive-image:hover img {
            transform: scale(1.05);
        }
        
        .dive-text h2 {
            font-size: 2.25rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
        }
        
        .dive-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }
        
        .technique-list {
            list-style: none;
            margin-top: var(--spacing-lg);
        }
        
        .technique-item {
            background: var(--card-bg);
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            border-left: 4px solid var(--accent-gold);
            margin-bottom: var(--spacing-md);
            transition: all 0.3s ease;
        }
        
        .technique-item:hover {
            background: var(--card-hover);
            transform: translateX(8px);
        }
        
        .technique-item h4 {
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
            font-size: 1.125rem;
        }
        
        .technique-item p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.6;
        }
        
        /* Advanced Tips */
        .tips-section {
            padding: var(--spacing-xl) 0;
        }
        
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .tip-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .tip-card::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            padding: 2px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-red));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .tip-card:hover {
            transform: translateY(-5px);
            background: var(--card-hover);
        }
        
        .tip-card:hover::after {
            opacity: 1;
        }
        
        .tip-number {
            width: 50px;
            height: 50px;
            background: var(--accent-gold);
            color: var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 auto var(--spacing-md);
        }
        
        .tip-card h3 {
            font-size: 1.25rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }
        
        .tip-card p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.6;
        }
        
        /* Practice Section */
        .practice-section {
            padding: var(--spacing-xl) 0;
            background: rgba(10, 46, 28, 0.5);
        }
        
        .practice-container {
            background: var(--card-bg);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
        }
        
        .practice-container h2 {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
        }
        
        .practice-container p {
            font-size: 1.125rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .practice-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .practice-step {
            background: rgba(18, 62, 37, 0.8);
            padding: var(--spacing-lg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        
        .step-icon {
            font-size: 2.5rem;
            margin-bottom: var(--spacing-sm);
        }
        
        .practice-step h4 {
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
            font-size: 1.125rem;
        }
        
        .practice-step p {
            color: var(--text-secondary);
            font-size: 0.875rem;
        }
        
        .btn-practice {
            display: inline-block;
            padding: var(--spacing-md) var(--spacing-xl);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            font-size: 1.125rem;
            border-radius: var(--radius-md);
            margin-top: var(--spacing-lg);
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        
        .btn-practice:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }
        
        /* FAQ Section */
        .faq-section {
            padding: var(--spacing-xl) 0;
        }
        
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        
        .faq-question {
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(18, 62, 37, 0.5);
            transition: all 0.3s ease;
        }
        
        .faq-question:hover {
            background: rgba(18, 62, 37, 0.8);
            color: var(--accent-gold);
        }
        
        .faq-icon {
            color: var(--accent-gold);
            transition: transform 0.3s ease;
        }
        
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: var(--spacing-md) var(--spacing-lg);
        }
        
        .faq-answer p {
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        /* CTA Section */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(135deg, rgba(18, 62, 37, 0.9) 0%, rgba(10, 46, 28, 0.9) 100%), url('/assets/images/backpic/back-3.jpg') center/cover;
            text-align: center;
            position: relative;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at center, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
        }
        
        .cta-content {
            position: relative;
            z-index: 1;
        }
        
        .cta-content h2 {
            font-size: 2.75rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-md);
        }
        
        .cta-content p {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            padding: var(--spacing-md) var(--spacing-xl);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            font-size: 1.125rem;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }
        
        .btn-secondary {
            padding: var(--spacing-md) var(--spacing-xl);
            background: transparent;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.125rem;
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
        }
        
        .btn-secondary:hover {
            background: var(--accent-gold);
            color: var(--primary-bg);
            transform: translateY(-3px);
        }
        
        /* Footer */
        footer {
            background: rgba(10, 46, 28, 0.95);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-lg);
        }
        
        .footer-brand {
            max-width: 350px;
        }
        
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-description {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.9375rem;
        }
        
        .footer-title {
            color: var(--accent-gold);
            font-size: 1.125rem;
            margin-bottom: var(--spacing-md);
            font-weight: 700;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: var(--spacing-xs);
        }
        
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
            transform: translateX(5px);
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: var(--spacing-md);
            text-align: center;
        }
        
        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.875rem;
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0.8;
            border: 3px solid var(--accent-gold);
            animation: fabFloat 3s ease-in-out infinite;
        }
        
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        .fab:hover {
            opacity: 1;
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.6);
        }
        
        .fab i {
            font-size: 1.5rem;
            color: var(--primary-bg);
        }
        
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 20px;
            height: 20px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: fabPulse 2s infinite;
        }
        
        @keyframes fabPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.2); }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .dive-content {
                grid-template-columns: 1fr;
            }
            
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .practice-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .nav-actions {
                gap: var(--spacing-xs);
            }
            
            .btn-login, .btn-signup {
                padding: var(--spacing-xs) var(--spacing-sm);
                font-size: 0.875rem;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero-description {
                font-size: 1rem;
            }
            
            .hero-stats {
                gap: var(--spacing-sm);
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            
            .tips-grid {
                grid-template-columns: 1fr;
            }
            
            .practice-steps {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .cta-content h2 {
                font-size: 2rem;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            
            .fab {
                width: 50px;
                height: 50px;
                left: 0.75rem;
                bottom: 5rem;
            }
            
            .fab i {
                font-size: 1.25rem;
            }
        }
        
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.75rem;
            }
            
            .stat-item {
                min-width: 120px;
            }
            
            .stat-number {
                font-size: 1.5rem;
            }
            
            .dive-text h2 {
                font-size: 1.75rem;
            }
            
            .practice-container {
                padding: var(--spacing-lg);
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --dark-overlay: rgba(10, 46, 28, 0.95);
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FB9A8;
            --border-color: rgba(255, 215, 0, 0.2);
            --card-bg: rgba(18, 62, 37, 0.6);
            --hover-lift: translateY(-4px);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.3);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, input, select, textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        
        header {
            background: var(--dark-overlay);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-md);
        }
        
        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }
        
        .logo i {
            font-size: 1.8rem;
        }
        
        .nav-menu {
            display: flex;
            gap: var(--spacing-md);
            list-style: none;
        }
        
        .nav-menu a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 80%;
            height: 2px;
            background: var(--accent-gold);
            transition: var(--transition);
        }
        
        .nav-menu a:hover, .nav-menu a.active {
            color: var(--accent-gold);
        }
        
        .nav-menu a:hover::after, .nav-menu a.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        
        .nav-actions {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }
        
        .btn-login {
            padding: 8px 20px;
            color: var(--text-secondary);
            font-weight: 500;
            transition: var(--transition);
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-signup {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
        }
        
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        .hero-category {
            position: relative;
            padding: var(--spacing-xl) 0;
            background: linear-gradient(rgba(10, 46, 28, 0.85), rgba(18, 62, 37, 0.85)), url('/assets/images/backpic/back-2.jpg') center/cover;
            overflow: hidden;
        }
        
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }
        
        .hero-content-category {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--accent-gold);
            border-radius: 50px;
            color: var(--accent-gold);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }
        
        .hero-content-category h1 {
            font-size: 2.75rem;
            font-weight: 800;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFF 50%, var(--accent-gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-content-category p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }
        
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            display: block;
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }
        
        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        
        .section {
            padding: var(--spacing-xl) 0;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }
        
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .platforms-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .platform-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .platform-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold) 0%, var(--accent-red) 100%);
            transform: scaleX(0);
            transition: var(--transition);
        }
        
        .platform-card:hover {
            transform: var(--hover-lift);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .platform-card:hover::before {
            transform: scaleX(1);
        }
        
        .platform-header {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-sm);
        }
        
        .platform-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            color: var(--primary-bg);
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        
        .platform-info {
            flex: 1;
        }
        
        .platform-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }
        
        .platform-rating {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        
        .stars {
            color: var(--accent-gold);
        }
        
        .platform-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: var(--spacing-sm) 0;
        }
        
        .badge {
            padding: 4px 12px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--accent-gold);
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-gold);
        }
        
        .badge.hot {
            background: rgba(211, 47, 47, 0.15);
            border-color: var(--accent-red);
            color: var(--accent-red);
        }
        
        .platform-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: var(--spacing-sm) 0;
        }
        
        .platform-features {
            list-style: none;
            margin: var(--spacing-sm) 0;
        }
        
        .platform-features li {
            padding: 6px 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .platform-features i {
            color: var(--accent-gold);
            font-size: 0.875rem;
        }
        
        .platform-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-color);
        }
        
        .bonus-label {
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        
        .bonus-amount {
            display: block;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        
        .btn-platform {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            cursor: pointer;
        }
        
        .btn-platform:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        
        .comparison-table {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: var(--spacing-lg);
        }
        
        .table-responsive {
            overflow-x: auto;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
        }
        
        thead {
            background: rgba(255, 215, 0, 0.1);
        }
        
        th {
            padding: var(--spacing-sm);
            text-align: left;
            font-weight: 700;
            color: var(--accent-gold);
            border-bottom: 2px solid var(--border-color);
        }
        
        td {
            padding: var(--spacing-sm);
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
        }
        
        tbody tr:hover {
            background: rgba(255, 215, 0, 0.05);
        }
        
        .check-icon {
            color: #32CD32;
            font-size: 1.1rem;
        }
        
        .cross-icon {
            color: var(--text-muted);
            font-size: 1.1rem;
        }
        
        .criteria-section {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-lg);
        }
        
        .criteria-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        
        .criteria-item {
            padding: var(--spacing-md);
            background: rgba(18, 62, 37, 0.4);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.1);
            transition: var(--transition);
        }
        
        .criteria-item:hover {
            border-color: var(--accent-gold);
            transform: var(--hover-lift);
        }
        
        .criteria-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--spacing-sm);
            color: var(--primary-bg);
            font-size: 1.5rem;
        }
        
        .criteria-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        
        .criteria-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        .faq-section {
            margin-top: var(--spacing-lg);
        }
        
        .faq-item {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        
        .faq-question {
            padding: var(--spacing-md);
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        
        .faq-question:hover {
            color: var(--accent-gold);
        }
        
        .faq-question i {
            transition: var(--transition);
            color: var(--accent-gold);
        }
        
        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .cta-section {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(211, 47, 47, 0.1) 100%);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
            margin-top: var(--spacing-xl);
        }
        
        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .cta-text {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .cta-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-cta {
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            cursor: pointer;
        }
        
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 35px rgba(255, 215, 0, 0.6);
        }
        
        .btn-cta.secondary {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
        }
        
        .btn-cta.secondary:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        
        .fab {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 999;
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border: 3px solid var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            color: var(--primary-bg);
            box-shadow: var(--shadow-gold);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
        }
        
        .fab:hover {
            opacity: 1;
            transform: scale(1.1) translateY(-4px);
            box-shadow: 0 0 40px rgba(255, 215, 0, 0.6);
        }
        
        .fab::before {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 18px;
            height: 18px;
            background: var(--accent-red);
            border: 2px solid var(--primary-bg);
            border-radius: 50%;
            animation: pulse 2s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.1); }
        }
        
        footer {
            background: var(--dark-overlay);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        
        .footer-brand {
            max-width: 320px;
        }
        
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-description {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        
        .footer-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .footer-links a:hover {
            color: var(--accent-gold);
            transform: translateX(4px);
        }
        
        .footer-bottom {
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            justify-content: space-between;
        }
        
        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.875rem;
        }
        
        .footer-pay {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .pay-badge {
            padding: 6px 14px;
            background: rgba(209, 242, 235, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-secondary);
        }
        
        .split-block {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        
        .split-block.reverse .split-media {
            order: -1;
        }
        
        .split-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        
        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        
        .split-media:hover img {
            transform: scale(1.04);
        }
        
        .media-tag {
            position: absolute;
            left: var(--spacing-sm);
            bottom: var(--spacing-sm);
            padding: 8px 16px;
            background: rgba(10, 46, 28, 0.85);
            border: 1px solid var(--accent-gold);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
        }
        
        .eyebrow {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-red);
            margin-bottom: 12px;
        }
        
        .block-title {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: var(--spacing-sm);
        }
        
        .block-text {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }
        
        .check-list {
            list-style: none;
        }
        
        .check-list li {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px dashed rgba(255, 215, 0, 0.14);
            color: var(--text-secondary);
            font-size: 0.96rem;
        }
        
        .check-list li:last-child {
            border-bottom: none;
        }
        
        .check-list i {
            color: var(--accent-gold);
            margin-top: 4px;
        }
        
        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
            counter-reset: step;
        }
        
        .step {
            padding: var(--spacing-md);
            border-left: 3px solid var(--accent-gold);
            background: linear-gradient(90deg, rgba(255, 215, 0, 0.07) 0%, transparent 100%);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            transition: var(--transition);
        }
        
        .step:hover {
            background: linear-gradient(90deg, rgba(255, 215, 0, 0.14) 0%, transparent 100%);
            transform: translateX(6px);
        }
        
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 800;
            margin-bottom: 12px;
        }
        
        .step h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        
        .step p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.65;
        }
        
        .safety-note {
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
            padding: var(--spacing-md);
            background: rgba(211, 47, 47, 0.1);
            border: 1px solid rgba(211, 47, 47, 0.4);
            border-radius: var(--radius-md);
            margin-top: var(--spacing-lg);
        }
        
        .safety-note i {
            color: var(--accent-red);
            font-size: 1.4rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        
        .safety-note p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        
        .section-header.left {
            text-align: left;
            max-width: 720px;
            margin-left: 0;
        }
        
        .section-header.left .section-subtitle {
            margin-left: 0;
        }
        
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            display: none;
        }
        
        .faq-item.open .faq-answer {
            display: block;
        }
        
        a:focus-visible,
        button:focus-visible,
        .faq-question:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        
        @media (max-width: 1024px) {
            .nav-menu {
                gap: 6px;
            }
            .nav-menu a {
                padding: 8px 10px;
                font-size: 0.92rem;
            }
            .hero-content-category h1 {
                font-size: 2.3rem;
            }
            .split-block {
                grid-template-columns: 1fr;
            }
            .split-block.reverse .split-media {
                order: 0;
            }
        }
        
        @media (max-width: 768px) {
            nav {
                flex-wrap: wrap;
                gap: 12px;
            }
            .mobile-toggle {
                display: block;
                order: 3;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                order: 4;
                gap: 4px;
                padding-top: var(--spacing-sm);
                border-top: 1px solid var(--border-color);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-actions {
                order: 2;
                margin-left: auto;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .hero-category {
                padding: var(--spacing-lg) 0;
            }
            .hero-content-category h1 {
                font-size: 1.85rem;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: var(--spacing-md);
            }
            .section-title {
                font-size: 1.6rem;
            }
            .block-title {
                font-size: 1.45rem;
            }
            .cta-section {
                padding: var(--spacing-lg) var(--spacing-md);
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .criteria-section {
                padding: var(--spacing-md);
            }
        }
        
        @media (max-width: 520px) {
            .logo {
                font-size: 1.15rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .btn-login {
                padding: 8px 8px;
                font-size: 0.85rem;
            }
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
            .platforms-grid {
                grid-template-columns: 1fr;
            }
            .platform-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .btn-platform {
                width: 100%;
                text-align: center;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .fab {
                left: 16px;
                bottom: 80px;
                width: 52px;
                height: 52px;
                font-size: 1.4rem;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .btn-cta {
                width: 100%;
            }
        }