/* roulang page: index */
: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);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-deep: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
        }

        * {
            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-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        a:hover {
            color: var(--text-primary);
        }

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

        .container {
            max-width: 1280px;
            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(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            box-shadow: var(--shadow-deep);
        }

        nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo i {
            color: var(--accent-red);
        }

        .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: 0.5rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
        }

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

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

        .btn-login {
            color: var(--text-primary);
            font-weight: 500;
            padding: 0.5rem 1rem;
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 0.65rem 1.5rem;
            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, 0.3);
            color: var(--primary-bg);
        }

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

        main {
            margin-top: 70px;
        }

        .hero {
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            position: relative;
            padding: var(--spacing-xl) 0;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(18, 62, 37, 0.88) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.1;
            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;
        }

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

        .hero-cta {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 1rem 2rem;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.4);
            color: var(--primary-bg);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            font-weight: 600;
            padding: 1rem 2rem;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            cursor: pointer;
            font-size: 1rem;
        }

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

        .hero-icons {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .icon-box {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            transition: all 0.3s ease;
        }

        .icon-box:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            transform: translateY(-5px);
        }

        .icon-box i {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        .icon-box h3 {
            font-size: 1.1rem;
            margin-bottom: 0.25rem;
            color: var(--text-primary);
        }

        .icon-box p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .section {
            padding: var(--spacing-xl) 0;
        }

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

        .section-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
            border: 1px solid var(--border-color);
        }

        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }

        .download-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-lg);
        }

        .step-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .step-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%);
        }

        .step-card:hover {
            background: rgba(255, 215, 0, 0.08);
            border-color: var(--accent-gold);
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-size: 1.5rem;
            font-weight: 800;
            border-radius: 50%;
            margin-bottom: var(--spacing-md);
        }

        .step-card h3 {
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }

        .step-card p {
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        .promo-card {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(211, 47, 47, 0.1) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .promo-card::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .promo-card:hover::after {
            opacity: 1;
        }

        .promo-card:hover {
            border-color: var(--accent-gold);
            transform: scale(1.02);
            box-shadow: var(--shadow-gold);
        }

        .promo-badge {
            position: absolute;
            top: var(--spacing-md);
            right: var(--spacing-md);
            background: var(--accent-red);
            color: var(--text-primary);
            padding: 0.4rem 0.8rem;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
        }

        .promo-card h3 {
            font-size: 1.4rem;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-gold);
        }

        .promo-amount {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .promo-card ul {
            list-style: none;
            margin-bottom: var(--spacing-md);
        }

        .promo-card li {
            padding: 0.5rem 0;
            color: var(--text-secondary);
            display: flex;
            align-items: start;
            gap: 0.5rem;
        }

        .promo-card li i {
            color: var(--accent-gold);
            margin-top: 0.25rem;
        }

        .game-showcase {
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-md);
        }

        .game-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            cursor: pointer;
        }

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

        .game-image {
            position: relative;
            padding-top: 75%;
            overflow: hidden;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
        }

        .game-image img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .game-tag {
            position: absolute;
            top: var(--spacing-sm);
            left: var(--spacing-sm);
            background: var(--accent-red);
            color: var(--text-primary);
            padding: 0.3rem 0.7rem;
            border-radius: var(--radius-sm);
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
        }

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

        .game-info h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .game-provider {
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 600;
        }

        .payment-section {
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
        }

        .payment-logos {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            margin-top: var(--spacing-lg);
        }

        .payment-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md) var(--spacing-lg);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            transition: all 0.3s ease;
        }

        .payment-item:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            transform: scale(1.05);
        }

        .payment-item i {
            font-size: 2rem;
            color: var(--accent-gold);
        }

        .payment-item span {
            font-weight: 600;
            color: var(--text-primary);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }

        .stat-box {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all 0.3s ease;
        }

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

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .news-section {
            background: rgba(0, 0, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
        }

        .news-list {
            display: grid;
            gap: var(--spacing-md);
        }

        .news-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: var(--spacing-md);
            align-items: center;
            transition: all 0.3s ease;
        }

        .news-item:hover {
            background: rgba(255, 215, 0, 0.08);
            border-color: var(--accent-gold);
            transform: translateX(5px);
        }

        .news-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;
            color: var(--primary-bg);
            font-size: 1.2rem;
        }

        .news-content h4 {
            font-size: 1.1rem;
            margin-bottom: 0.25rem;
            color: var(--text-primary);
        }

        .news-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .news-date {
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 600;
        }

        .faq-section {
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
        }

        .faq-list {
            display: grid;
            gap: var(--spacing-md);
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }

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

        .faq-question {
            padding: var(--spacing-md);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .faq-question h3 {
            font-size: 1.1rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        .faq-question i {
            color: var(--accent-gold);
            font-size: 1.2rem;
        }

        .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, 0.15) 0%, rgba(211, 47, 47, 0.15) 100%);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
        }

        .cta-section p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
        }

        footer {
            background: rgba(0, 0, 0, 0.4);
            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(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-section h4 {
            color: var(--accent-gold);
            font-size: 1.2rem;
            margin-bottom: var(--spacing-md);
        }

        .footer-section p,
        .footer-section li {
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
            line-height: 1.6;
        }

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

        .footer-section a {
            color: var(--text-secondary);
            display: inline-block;
            padding: 0.25rem 0;
        }

        .footer-section a:hover {
            color: var(--accent-gold);
            transform: translateX(3px);
        }

        .trust-badges {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }

        .badge {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0.5rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
        }

        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border: 3px solid var(--accent-red);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-bg);
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), 0 0 30px rgba(255, 215, 0, 0.2);
            cursor: pointer;
            transition: all 0.3s ease;
            animation: fabPulse 2s infinite;
        }

        .fab:hover {
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

        @keyframes fabPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(12px);
                width: 100%;
                padding: var(--spacing-lg);
                gap: var(--spacing-sm);
                box-shadow: var(--shadow-deep);
                transition: left 0.3s ease;
            }

            .nav-menu.active {
                left: 0;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-actions {
                gap: 0.5rem;
            }

            .btn-login {
                padding: 0.5rem 0.75rem;
                font-size: 0.9rem;
            }

            .btn-signup {
                padding: 0.5rem 1rem;
                font-size: 0.9rem;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

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

            .hero-text p {
                font-size: 1rem;
            }

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

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

            .section-header h2 {
                font-size: 1.8rem;
            }

            .section-header p {
                font-size: 1rem;
            }

            .download-steps {
                grid-template-columns: 1fr;
            }

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

            .game-grid {
                grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            }

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

            .payment-logos {
                gap: var(--spacing-md);
            }

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

            .payment-item i {
                font-size: 1.5rem;
            }

            .news-item {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .news-icon {
                margin: 0 auto;
            }

            .cta-section h2 {
                font-size: 1.8rem;
            }

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

            .fab {
                width: 52px;
                height: 52px;
                font-size: 1.3rem;
                left: 0.75rem;
                bottom: 5rem;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #FFD700;
            --card-bg: rgba(18, 62, 37, 0.6);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
        }
        
        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 20px;
        }
        
        header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--accent-gold);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        
        header nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 700;
            color: var(--accent-gold);
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }
        
        .logo i {
            font-size: 28px;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 32px;
            align-items: center;
        }
        
        .nav-menu a {
            font-weight: 500;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .nav-menu a:hover {
            color: var(--accent-gold);
        }
        
        .nav-menu a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
        }
        
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-gold);
        }
        
        .nav-actions {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        
        .btn-login {
            padding: 10px 24px;
            color: var(--text-white);
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-signup {
            padding: 10px 28px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 600;
            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, 0.3);
        }
        
        .mobile-toggle {
            display: none;
            color: var(--accent-gold);
            font-size: 24px;
        }
        
        .article-hero {
            background: linear-gradient(rgba(10, 46, 28, 0.7), rgba(18, 62, 37, 0.9)), url('/assets/images/backpic/back-2.jpg') center/cover;
            padding: 60px 0 40px;
            text-align: center;
            border-bottom: 3px solid var(--accent-gold);
        }
        
        .article-hero h1 {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--accent-gold);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
            line-height: 1.3;
        }
        
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            color: var(--text-mint);
            font-size: 14px;
        }
        
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .article-meta-item i {
            color: var(--accent-gold);
        }
        
        .article-breadcrumb {
            background: rgba(18, 62, 37, 0.4);
            padding: 16px 0;
        }
        
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-mint);
            flex-wrap: wrap;
        }
        
        .breadcrumb a {
            color: var(--text-mint);
        }
        
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        
        .breadcrumb-separator {
            color: var(--accent-gold);
        }
        
        .article-layout {
            padding: var(--spacing-xl) 0;
        }
        
        .article-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }
        
        .article-main {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
        }
        
        .article-content {
            color: var(--text-white);
            font-size: 16px;
            line-height: 1.8;
        }
        
        .article-content h2 {
            font-size: 28px;
            color: var(--accent-gold);
            margin: 32px 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(255, 215, 0, 0.3);
        }
        
        .article-content h3 {
            font-size: 22px;
            color: var(--accent-gold);
            margin: 24px 0 12px;
        }
        
        .article-content p {
            margin-bottom: 16px;
            color: var(--text-mint);
        }
        
        .article-content ul, .article-content ol {
            margin: 16px 0 16px 24px;
            color: var(--text-mint);
        }
        
        .article-content li {
            margin-bottom: 8px;
        }
        
        .article-content a {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        
        .article-content a:hover {
            color: #FFA500;
        }
        
        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        
        .article-content blockquote {
            background: rgba(255, 215, 0, 0.1);
            border-left: 4px solid var(--accent-gold);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: var(--radius-sm);
            font-style: italic;
            color: var(--text-mint);
        }
        
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            background: rgba(18, 62, 37, 0.4);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        
        .article-content th, .article-content td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }
        
        .article-content th {
            background: rgba(255, 215, 0, 0.2);
            color: var(--accent-gold);
            font-weight: 600;
        }
        
        .article-sidebar {
            position: sticky;
            top: 100px;
        }
        
        .sidebar-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }
        
        .sidebar-card h3 {
            font-size: 18px;
            color: var(--accent-gold);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(255, 215, 0, 0.3);
        }
        
        .download-cta {
            text-align: center;
        }
        
        .download-cta .cta-icon {
            font-size: 48px;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        
        .download-cta h4 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        
        .download-cta p {
            font-size: 14px;
            color: var(--text-mint);
            margin-bottom: 20px;
        }
        
        .cta-button {
            display: inline-block;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 600;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
            font-size: 16px;
        }
        
        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
        }
        
        .info-list {
            list-style: none;
        }
        
        .info-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            color: var(--text-mint);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .info-list li:last-child {
            border-bottom: none;
        }
        
        .info-list i {
            color: var(--accent-gold);
            font-size: 14px;
        }
        
        .related-articles {
            list-style: none;
        }
        
        .related-article-item {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }
        
        .related-article-item:last-child {
            border-bottom: none;
        }
        
        .related-article-item a {
            color: var(--text-mint);
            font-size: 14px;
            display: flex;
            align-items: start;
            gap: 8px;
            transition: all 0.3s ease;
        }
        
        .related-article-item a:hover {
            color: var(--accent-gold);
        }
        
        .related-article-item i {
            color: var(--accent-gold);
            margin-top: 4px;
            font-size: 12px;
        }
        
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        
        .article-not-found i {
            font-size: 64px;
            color: var(--accent-gold);
            margin-bottom: 24px;
        }
        
        .article-not-found h2 {
            font-size: 32px;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        
        .article-not-found p {
            font-size: 16px;
            color: var(--text-mint);
            margin-bottom: 32px;
        }
        
        .btn-back-home {
            display: inline-block;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            font-weight: 600;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        
        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
        }
        
        .article-actions {
            display: flex;
            gap: 16px;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            margin: 32px 0;
        }
        
        .action-btn {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-sm);
            color: var(--text-mint);
            font-size: 14px;
            transition: all 0.3s ease;
        }
        
        .action-btn:hover {
            background: rgba(255, 215, 0, 0.2);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }
        
        .action-btn i {
            font-size: 16px;
        }
        
        footer {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-top: 3px solid var(--accent-gold);
            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-section h3 {
            color: var(--accent-gold);
            font-size: 18px;
            margin-bottom: 16px;
            font-weight: 600;
        }
        
        .footer-section p {
            color: var(--text-mint);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section ul li {
            margin-bottom: 10px;
        }
        
        .footer-section ul li a {
            color: var(--text-mint);
            font-size: 14px;
            transition: all 0.3s ease;
            display: inline-block;
        }
        
        .footer-section ul li a:hover {
            color: var(--accent-gold);
            transform: translateX(4px);
        }
        
        .trust-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        
        .badge {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 12px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-sm);
            font-size: 12px;
            color: var(--text-mint);
        }
        
        .badge i {
            color: var(--accent-gold);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            color: var(--text-mint);
            font-size: 14px;
        }
        
        .fab {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 999;
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border: 3px solid rgba(255, 215, 0, 0.5);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
        }
        
        .fab i {
            font-size: 28px;
            color: var(--primary-bg);
        }
        
        .fab:hover {
            transform: translateY(-4px) scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            animation: none;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }
        
        @media (max-width: 1024px) {
            .article-content-wrapper {
                grid-template-columns: 1fr;
            }
            
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
                gap: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background: rgba(10, 46, 28, 0.98);
                width: 100%;
                padding: 20px;
                gap: 8px;
                transition: left 0.3s ease;
                box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu a {
                width: 100%;
                text-align: center;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .article-hero h1 {
                font-size: 28px;
            }
            
            .article-main {
                padding: 24px 20px;
            }
            
            .article-content {
                font-size: 15px;
            }
            
            .article-content h2 {
                font-size: 22px;
            }
            
            .article-content h3 {
                font-size: 18px;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .fab {
                width: 56px;
                height: 56px;
                left: 16px;
                bottom: 80px;
            }
            
            .fab i {
                font-size: 24px;
            }
        }
        
        @media (max-width: 520px) {
            .logo span {
                font-size: 18px;
            }
            
            .nav-actions {
                display: none;
            }
            
            .article-hero {
                padding: 40px 0 30px;
            }
            
            .article-hero h1 {
                font-size: 24px;
            }
            
            .article-meta {
                gap: 16px;
                font-size: 13px;
            }
            
            .article-sidebar {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --card-bg: rgba(18, 62, 37, 0.6);
            --border-color: rgba(255, 215, 0, 0.2);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-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 {
            font-family: inherit;
            border: none;
            outline: none;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        
        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-lg);
        }
        
        header nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }
        
        .logo i {
            font-size: 1.8rem;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        
        .nav-menu a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            font-weight: 500;
        }
        
        .nav-menu a:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
        }
        
        .nav-menu a.active {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            box-shadow: var(--shadow-gold);
        }
        
        .nav-actions {
            display: flex;
            gap: var(--spacing-sm);
        }
        
        .btn-login {
            padding: 10px 24px;
            color: var(--accent-gold);
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-login:hover {
            color: var(--text-primary);
        }
        
        .btn-signup {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            border-radius: var(--radius-sm);
            font-weight: 600;
            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, 0.3);
        }
        
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        .hero-banner {
            background: linear-gradient(rgba(10, 46, 28, 0.85), rgba(18, 62, 37, 0.85)), url('/assets/images/backpic/back-2.jpg') center/cover;
            padding: var(--spacing-xl) 0;
            text-align: center;
            border-bottom: 2px solid var(--accent-gold);
        }
        
        .hero-banner h1 {
            font-size: 2.5rem;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-gold);
            text-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
        }
        
        .hero-banner p {
            font-size: 1.25rem;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.7;
        }
        
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-md);
            flex-wrap: wrap;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            display: block;
        }
        
        .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        
        .download-section {
            padding: var(--spacing-xl) 0;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        
        .section-title {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.1rem;
        }
        
        .platform-tabs {
            display: flex;
            justify-content: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
            flex-wrap: wrap;
        }
        
        .platform-tab {
            padding: 12px 32px;
            background: var(--card-bg);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
        }
        
        .platform-tab:hover {
            border-color: var(--accent-gold);
            transform: translateY(-2px);
        }
        
        .platform-tab.active {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .platform-content {
            display: none;
        }
        
        .platform-content.active {
            display: block;
        }
        
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }
        
        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent-gold);
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }
        
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
            border-color: var(--accent-gold);
        }
        
        .step-card:hover::before {
            transform: scaleY(1);
        }
        
        .step-number {
            display: inline-block;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            color: var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            box-shadow: var(--shadow-gold);
        }
        
        .step-title {
            font-size: 1.25rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
        }
        
        .step-description {
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        .download-button-wrapper {
            text-align: center;
            margin: var(--spacing-lg) 0;
        }
        
        .btn-download-primary {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 18px 48px;
            background: linear-gradient(135deg, var(--accent-red) 0%, #C62828 100%);
            color: var(--text-primary);
            border-radius: var(--radius-md);
            font-size: 1.25rem;
            font-weight: 700;
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.4);
            transition: all 0.3s ease;
            animation: pulse-download 2s infinite;
        }
        
        .btn-download-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(211, 47, 47, 0.5);
        }
        
        @keyframes pulse-download {
            0%, 100% { box-shadow: 0 8px 24px rgba(211, 47, 47, 0.4); }
            50% { box-shadow: 0 8px 32px rgba(211, 47, 47, 0.6); }
        }
        
        .requirements-section {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
        }
        
        .requirements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        
        .requirement-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
        }
        
        .requirement-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .requirement-icon i {
            color: var(--primary-bg);
            font-size: 1.2rem;
        }
        
        .requirement-text h4 {
            color: var(--accent-gold);
            margin-bottom: 4px;
        }
        
        .requirement-text p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        
        .features-section {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(180deg, transparent 0%, rgba(18, 62, 37, 0.3) 100%);
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
        }
        
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
            border-color: var(--accent-gold);
        }
        
        .feature-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            box-shadow: var(--shadow-gold);
        }
        
        .feature-icon i {
            font-size: 2rem;
            color: var(--primary-bg);
        }
        
        .feature-title {
            font-size: 1.25rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
        }
        
        .feature-description {
            color: var(--text-secondary);
        }
        
        .troubleshoot-section {
            padding: var(--spacing-xl) 0;
        }
        
        .faq-list {
            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 {
            padding: var(--spacing-md);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--accent-gold);
        }
        
        .faq-question i {
            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;
            color: var(--text-secondary);
        }
        
        .faq-answer-content {
            padding: 0 var(--spacing-md) var(--spacing-md);
            line-height: 1.7;
        }
        
        .faq-item.active .faq-answer {
            max-height: 500px;
        }
        
        .video-section {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(180deg, rgba(18, 62, 37, 0.3) 0%, transparent 100%);
        }
        
        .video-container {
            max-width: 800px;
            margin: 0 auto;
            background: var(--card-bg);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-gold);
        }
        
        .video-placeholder {
            aspect-ratio: 16/9;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        
        .video-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .video-play-btn {
            position: absolute;
            width: 80px;
            height: 80px;
            background: rgba(255, 215, 0, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
        }
        
        .video-play-btn:hover {
            transform: scale(1.1);
            background: var(--accent-gold);
        }
        
        .video-play-btn i {
            font-size: 2rem;
            color: var(--primary-bg);
            margin-left: 4px;
        }
        
        .cta-section {
            padding: var(--spacing-xl) 0;
            text-align: center;
        }
        
        .cta-box {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.2) 0%, rgba(255, 215, 0, 0.2) 100%);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            max-width: 800px;
            margin: 0 auto;
            box-shadow: var(--shadow-gold);
        }
        
        .cta-box h2 {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        
        .cta-box p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
        }
        
        .cta-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-cta {
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-cta-primary {
            background: linear-gradient(135deg, var(--accent-red) 0%, #C62828 100%);
            color: var(--text-primary);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.3);
        }
        
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.4);
        }
        
        .btn-cta-secondary {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
        }
        
        .btn-cta-secondary:hover {
            background: var(--accent-gold);
            color: var(--primary-bg);
        }
        
        footer {
            background: rgba(10, 46, 28, 0.95);
            border-top: 2px solid var(--accent-gold);
            padding: var(--spacing-lg) 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-section h3 {
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
            font-size: 1.25rem;
        }
        
        .footer-section p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section ul li {
            margin-bottom: var(--spacing-xs);
        }
        
        .footer-section ul li a {
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }
        
        .footer-section ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        
        .trust-badges {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-top: var(--spacing-sm);
        }
        
        .badge {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
        }
        
        .badge i {
            color: var(--accent-gold);
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: var(--spacing-md);
            text-align: center;
            color: var(--text-secondary);
        }
        
        .fab {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 999;
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
            border: 3px solid var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all 0.3s ease;
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
        }
        
        .fab:hover {
            opacity: 1;
            transform: scale(1.1) translateY(-4px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            animation: none;
        }
        
        .fab i {
            font-size: 1.8rem;
            color: var(--primary-bg);
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        .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: pulse-notification 1.5s infinite;
        }
        
        @keyframes pulse-notification {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.15); }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: var(--spacing-xs);
                transition: left 0.3s ease;
                border-top: 1px solid var(--border-color);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-actions {
                display: none;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .hero-banner h1 {
                font-size: 1.75rem;
            }
            
            .hero-banner p {
                font-size: 1rem;
            }
            
            .hero-stats {
                gap: var(--spacing-md);
            }
            
            .stat-number {
                font-size: 2rem;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .steps-grid {
                grid-template-columns: 1fr;
            }
            
            .btn-download-primary {
                font-size: 1.1rem;
                padding: 14px 32px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-box h2 {
                font-size: 1.5rem;
            }
            
            .cta-buttons {
                flex-direction: column;
            }
            
            .btn-cta {
                width: 100%;
                justify-content: center;
            }
            
            .fab {
                width: 56px;
                height: 56px;
                left: 16px;
                bottom: 80px;
            }
            
            .fab i {
                font-size: 1.5rem;
            }
        }