:root {
            --primary: #FFD700;
            --primary-dark: #B8860B;
            --primary-light: #FFFACD;
            --secondary: #E60012;
            --accent: #00C853;
            --bg-main: #0B0E11;
            --bg-surface: #1A1D23;
            --bg-variant: #2C303A;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-tertiary: #8A8A8A;
            --text-inverse: #000000;
            --border-subtle: #373D49;
            --border-medium: #4A5061;
            --border-strong: #FFD700;
            --success: #4CAF50;
            --warning: #FFC107;
            --error: #F44336;
            --info: #2196F3;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: 'Be Vietnam Pro', 'Segoe UI', Roboto, sans-serif;
            line-height: 1.5;
            overflow-x: hidden;
        }
        h1, h2, h3 { font-family: 'Montserrat', 'Segoe UI', Roboto, sans-serif; line-height: 1.2; }
        header {
            background: var(--bg-surface);
            border-bottom: 2px solid var(--primary);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 60px;
        }
        .logo-area { display: flex; align-items: center; gap: 10px; }
        .logo-area img { width: 25px; height: 25px; object-fit: cover; }
        .logo-area strong { font-size: 16px; font-weight: normal; color: var(--primary); }
        .auth-buttons { display: flex; gap: 10px; }
        .btn-auth {
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            font-size: 14px;
            transition: 0.3s;
        }
        .btn-login { background: var(--bg-variant); color: var(--text-primary); border: 1px solid var(--primary); }
        .btn-register { background: var(--primary); color: var(--text-inverse); }
        .btn-auth:hover { opacity: 0.9; transform: translateY(-2px); }
        main { max-width: 1200px; margin: 0 auto; padding: 20px 15px 100px; }
        .banner-container { 
            border-radius: 15px; 
            overflow: hidden; 
            margin-bottom: 25px; 
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }
        .banner-container img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
        .promo-card {
            background: linear-gradient(135deg, var(--bg-surface), var(--bg-variant));
            border: 2px solid var(--primary);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            margin-bottom: 30px;
        }
        .promo-card h2 { color: var(--primary); font-size: 24px; margin-bottom: 15px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-promo {
            background: var(--secondary);
            color: white;
            padding: 15px 40px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            font-size: 18px;
            display: inline-block;
            cursor: pointer;
            border: none;
            box-shadow: 0 0 15px var(--secondary);
            animation: pulse 2s infinite;
        }
        @keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }
        .section-title { font-size: 22px; color: var(--primary); margin: 30px 0 20px; text-align: center; text-transform: uppercase; }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            transition: 0.3s;
            border: 1px solid var(--border-subtle);
        }
        .game-card:hover { border-color: var(--primary); transform: translateY(-5px); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 {
            padding: 12px;
            font-size: 14px;
            color: var(--text-primary);
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .intro-card {
            background: var(--bg-surface);
            border-left: 5px solid var(--primary);
            padding: 25px;
            border-radius: 12px;
            margin: 30px 0;
        }
        .intro-card h1 { color: var(--primary); font-size: 28px; margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.6; }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .payment-item {
            background: var(--bg-variant);
            padding: 15px 5px;
            text-align: center;
            border-radius: 10px;
            font-size: 12px;
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
        }
        .payment-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 8px; }
        .guidelines {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 12px;
            border-bottom: 3px solid var(--primary);
        }
        .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(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .review-card {
            background: var(--bg-variant);
            padding: 20px;
            border-radius: 15px;
            position: relative;
        }
        .review-header { display: flex; align-items: center; gap: 15px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--primary); }
        .review-user { font-weight: bold; font-size: 16px; }
        .review-stars { color: var(--warning); font-size: 14px; }
        .review-body { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-tertiary); text-align: right; }
        .winning-list {
            background: var(--bg-surface);
            border-radius: 15px;
            overflow: hidden;
            margin-bottom: 30px;
        }
        .win-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 20px;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 14px;
        }
        .win-row:nth-child(even) { background: var(--bg-variant); }
        .win-user { color: var(--text-primary); font-weight: 500; }
        .win-amount { color: var(--accent); font-weight: bold; }
        .win-time { color: var(--text-tertiary); }
        .provider-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .provider-item {
            background: var(--bg-variant);
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            font-weight: bold;
            color: var(--primary);
            border: 1px solid var(--border-subtle);
        }
        .faq-section { margin-bottom: 30px; }
        .faq-item {
            background: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 10px;
            padding: 20px;
            border: 1px solid var(--border-subtle);
        }
        .faq-item h3 { color: var(--primary); font-size: 16px; margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 14px; }
        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-surface);
            border-top: 2px solid var(--primary);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            z-index: 2000;
        }
        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            text-align: center;
            font-size: 12px;
            flex: 1;
        }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 5px; color: var(--primary); }
        footer {
            background: var(--bg-surface);
            padding: 40px 20px 120px;
            border-top: 1px solid var(--border-medium);
        }
        .footer-contact {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
            text-align: center;
        }
        .footer-contact a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .footer-links a {
            color: var(--text-tertiary);
            text-decoration: none;
            font-size: 13px;
            text-align: center;
        }
        .security-footer {
            text-align: center;
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            color: var(--text-tertiary);
            font-size: 12px;
        }
        .security-footer i { color: var(--accent); margin: 0 5px; }
        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }