:root {
            --primary: #FFD700;
            --primary-hover: #FFC107;
            --secondary: #C0C0C0;
            --accent: #E60012;
            --dark-accent: #8B0000;
            --bg-main: #1A1A1A;
            --bg-surface: #2D2D2D;
            --bg-elevated: #3D3D3D;
            --bg-footer: #121212;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-tertiary: #808080;
            --text-inverse: #1A1A1A;
            --link-color: #FFD700;
            --success: #4CAF50;
            --warning: #FF9800;
            --error: #F44336;
            --info: #2196F3;
            --border-default: #404040;
            --border-light: #505050;
            --border-strong: #FFD700;
            --font-primary: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-heading: 'Montserrat', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { 
            background-color: var(--bg-main); 
            color: var(--text-primary); 
            font-family: var(--font-primary); 
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3 { font-family: var(--font-heading); line-height: 1.2; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        
        header {
            background-color: var(--bg-surface);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--border-strong);
        }
        .header-logo { display: flex; align-items: center; gap: 10px; }
        .header-logo img { width: 25px; height: 25px; }
        .header-logo strong { font-size: 16px; font-weight: normal; }
        .header-auth { display: flex; gap: 10px; }
        .btn-auth { 
            padding: 8px 16px; 
            border-radius: 5px; 
            font-size: 14px; 
            cursor: pointer; 
            font-weight: 600; 
            border: none; 
        }
        .btn-login { background-color: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-register { background-color: var(--primary); color: var(--text-inverse); }
        .btn-register:hover { background-color: var(--primary-hover); }

        main { max-width: 1200px; margin: 0 auto; padding: 20px; }
        
        .banner-container { margin-bottom: 30px; cursor: pointer; }
        .banner-container img { 
            width: 100%; 
            aspect-ratio: 4/3; 
            border-radius: 15px; 
            object-fit: cover; 
        }

        .promo-card {
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            border: 2px solid var(--primary);
            margin-bottom: 30px;
        }
        .promo-card h2 { color: var(--primary); font-size: 28px; margin-bottom: 15px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 18px; }
        .btn-promo { 
            background-color: var(--accent); 
            color: white; 
            padding: 15px 40px; 
            font-size: 20px; 
            border-radius: 50px; 
            font-weight: bold; 
            border: none; 
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(230, 0, 18, 0.4);
        }

        .section-title { 
            font-size: 24px; 
            margin: 40px 0 20px; 
            text-align: center; 
            color: var(--primary); 
            position: relative; 
        }
        .section-title::after { 
            content: ''; 
            display: block; 
            width: 60px; 
            height: 3px; 
            background: var(--primary); 
            margin: 10px auto; 
        }

        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .game-card { 
            background-color: var(--bg-surface); 
            border-radius: 12px; 
            overflow: hidden; 
            border: 1px solid var(--border-default); 
            transition: transform 0.2s; 
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { 
            padding: 12px; 
            font-size: 15px; 
            text-align: center; 
            color: var(--text-primary); 
            white-space: nowrap; 
            overflow: hidden; 
            text-overflow: ellipsis; 
        }

        .intro-card {
            background-color: var(--bg-surface);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            margin: 40px 0;
            border-left: 5px solid var(--primary);
        }
        .intro-card h1 { color: var(--primary); font-size: 32px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; }

        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin-bottom: 40px; 
        }
        .payment-item { 
            background-color: var(--bg-surface); 
            padding: 15px; 
            text-align: center; 
            border-radius: 10px; 
            font-size: 13px; 
            border: 1px solid var(--border-default); 
        }
        .payment-item i { display: block; font-size: 24px; color: var(--primary); margin-bottom: 8px; }

        .guide-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
            gap: 20px; 
            margin-bottom: 40px; 
        }
        .guide-item { 
            background-color: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-light); 
        }
        .guide-item h3 { color: var(--primary); margin-bottom: 10px; font-size: 18px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }

        .review-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
            gap: 20px; 
            margin-bottom: 40px; 
        }
        .review-card { 
            background-color: var(--bg-elevated); 
            padding: 20px; 
            border-radius: 15px; 
            position: relative; 
        }
        .user-info { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .user-info i { font-size: 30px; color: var(--secondary); }
        .user-info span { font-weight: bold; color: var(--primary); }
        .stars { color: #FFD700; margin-bottom: 10px; }
        .review-content { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-tertiary); text-align: right; }

        .win-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 40px; 
        }
        .win-item { 
            background-color: var(--bg-surface); 
            padding: 12px; 
            border-radius: 8px; 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            font-size: 13px; 
            border: 1px solid var(--border-default); 
        }
        .win-amount { color: var(--success); font-weight: bold; }

        .provider-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 40px; 
        }
        .provider-item { 
            background-color: var(--bg-elevated); 
            padding: 20px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            border: 1px solid var(--border-light); 
        }

        .faq-container { margin-bottom: 40px; }
        .faq-item { 
            background-color: var(--bg-surface); 
            margin-bottom: 15px; 
            border-radius: 10px; 
            overflow: hidden; 
        }
        .faq-question { 
            padding: 15px 20px; 
            background-color: var(--bg-elevated); 
            cursor: pointer; 
            font-weight: 600; 
            color: var(--primary); 
            display: flex; 
            justify-content: space-between; 
        }
        .faq-answer { padding: 15px 20px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }

        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background-color: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            padding: 10px 0; 
            border-top: 2px solid var(--primary); 
            z-index: 2000; 
        }
        .nav-item { text-align: center; color: var(--text-secondary); font-size: 12px; }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 4px; color: var(--primary); }

        footer { 
            background-color: var(--bg-footer); 
            padding: 40px 20px 100px; 
            text-align: center; 
            border-top: 1px solid var(--border-default); 
        }
        .footer-contact { margin-bottom: 30px; }
        .contact-links { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 10px; }
        .contact-links a { color: var(--text-secondary); font-size: 14px; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            text-align: left; 
            max-width: 800px; 
            margin: 0 auto 30px; 
        }
        .footer-links a { color: var(--text-secondary); font-size: 13px; }
        .security-footer { 
            border-top: 1px solid var(--border-default); 
            padding-top: 20px; 
            color: var(--text-tertiary); 
            font-size: 12px; 
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 10px; font-size: 20px; color: var(--primary); }

        @media (max-width: 768px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }