:root {
            --brand-primary: #E6B322;
            --brand-primary-hover: #FFD700;
            --brand-secondary: #C1272D;
            --brand-accent: #00C853;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-surface-variant: #262626;
            --bg-overlay: rgba(0, 0, 0, 0.7);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-disabled: #666666;
            --text-inverse: #000000;
            --semantic-success: #00C853;
            --semantic-warning: #FFB300;
            --semantic-error: #FF5252;
            --semantic-info: #2196F3;
            --border-default: #333333;
            --border-strong: #4D4D4D;
            --border-highlight: #E6B322;
            --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; overflow-x: hidden; }
        h1, h2, h3 { font-family: var(--font-heading); color: var(--text-primary); }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        header { 
            background-color: var(--bg-surface); 
            height: 60px; 
            display: flex; 
            align-items: center; 
            justify-content: space-between; 
            padding: 0 15px; 
            position: sticky; 
            top: 0; 
            z-index: 1000; 
            border-bottom: 1px solid var(--border-default); 
        }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; object-fit: cover; }
        header .brand-name { font-size: 16px; font-weight: normal; }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--brand-primary); color: var(--brand-primary); padding: 6px 15px; border-radius: 4px; cursor: pointer; font-weight: 500; }
        .btn-register { background: var(--brand-primary); border: none; color: var(--text-inverse); padding: 6px 15px; border-radius: 4px; cursor: pointer; font-weight: 600; }
        main { padding-bottom: 80px; }
        .banner-container { width: 100%; max-width: 1200px; margin: 0 auto; cursor: pointer; }
        .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-surface-variant)); 
            margin: 20px 15px; 
            padding: 25px; 
            border-radius: 15px; 
            text-align: center; 
            border: 1px solid var(--border-highlight); 
        }
        .promo-card h2 { color: var(--brand-primary); font-size: 24px; margin-bottom: 15px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-promo { background: var(--brand-accent); color: white; padding: 15px 30px; border-radius: 30px; font-weight: bold; font-size: 18px; border: none; cursor: pointer; box-shadow: 0 4px 15px rgba(0,200,83,0.4); }
        .section-title { text-align: center; font-size: 24px; margin: 30px 0 20px; position: relative; padding-bottom: 10px; }
        .section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: var(--brand-primary); }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 15px; }
        .game-card { background: 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(--brand-primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { padding: 10px; font-size: 14px; text-align: center; color: var(--text-primary); }
        .intro-card { 
            background: var(--bg-surface); 
            margin: 30px 15px; 
            padding: 25px; 
            border-radius: 20px; 
            text-align: center; 
            border-left: 5px solid var(--brand-primary); 
        }
        .intro-card h1 { font-size: 30px; margin-bottom: 15px; color: var(--brand-primary); }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .payment-section { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            padding: 20px 15px; 
            background: var(--bg-surface-variant); 
        }
        .pay-item { 
            background: var(--bg-surface); 
            padding: 15px 5px; 
            text-align: center; 
            border-radius: 8px; 
            font-size: 12px; 
            color: var(--text-secondary); 
            border: 1px solid var(--border-default); 
        }
        .pay-item i { display: block; font-size: 20px; color: var(--brand-primary); margin-bottom: 8px; }
        .guide-section { padding: 20px 15px; display: grid; grid-template-columns: 1fr; gap: 20px; }
        .guide-item { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-default); }
        .guide-item h3 { font-size: 18px; color: var(--brand-primary); margin-bottom: 10px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }
        .review-grid { display: grid; grid-template-columns: 1fr; gap: 15px; padding: 0 15px; }
        .review-card { background: var(--bg-surface); padding: 20px; border-radius: 15px; border: 1px solid var(--border-default); }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--text-secondary); }
        .review-user { font-weight: bold; font-size: 16px; }
        .review-stars { color: var(--brand-primary); font-size: 14px; margin-left: auto; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; font-style: italic; }
        .review-date { font-size: 12px; color: var(--text-disabled); text-align: right; }
        .win-list { padding: 0 15px; }
        .win-item { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            padding: 12px 15px; 
            background: var(--bg-surface); 
            margin-bottom: 8px; 
            border-radius: 8px; 
            border-left: 3px solid var(--brand-accent); 
            font-size: 14px; 
        }
        .win-item .win-user { color: var(--text-primary); }
        .win-item .win-game { color: var(--text-secondary); font-size: 12px; }
        .win-item .win-amount { color: var(--brand-accent); font-weight: bold; }
        .win-item .win-time { color: var(--text-disabled); font-size: 12px; }
        .provider-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 0 15px; }
        .provider-item { background: var(--bg-surface-variant); padding: 20px; text-align: center; border-radius: 8px; font-weight: bold; border: 1px solid var(--border-default); color: var(--brand-primary); }
        .faq-section { padding: 20px 15px; display: grid; grid-template-columns: 1fr; gap: 15px; }
        .faq-item { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-default); }
        .faq-item h3 { font-size: 16px; color: var(--brand-primary); 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); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            height: 65px; 
            border-top: 1px solid var(--border-default); 
            z-index: 1000; 
        }
        .nav-link { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 12px; color: var(--text-secondary); }
        .nav-link i { font-size: 20px; color: var(--brand-primary); }
        footer { 
            background: var(--bg-surface); 
            padding: 30px 15px 100px; 
            border-top: 2px solid var(--brand-primary); 
            text-align: center; 
        }
        .footer-contact { display: flex; justify-content: center; flex-wrap: wrap; gap: 15px; margin-bottom: 30px; font-size: 14px; }
        .footer-contact a { color: var(--text-secondary); }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 30px; text-align: left; }
        .footer-links a { font-size: 13px; color: var(--text-secondary); display: block; padding: 2px 0; }
        .footer-security { padding-top: 20px; border-top: 1px solid var(--border-default); color: var(--text-disabled); font-size: 12px; }
        .security-icons { margin-bottom: 15px; font-size: 24px; color: var(--brand-primary); display: flex; justify-content: center; gap: 20px; }
        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-section { grid-template-columns: repeat(8, 1fr); }
            .guide-section { grid-template-columns: repeat(2, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .provider-grid { grid-template-columns: repeat(4, 1fr); }
            .faq-section { grid-template-columns: repeat(2, 1fr); }
        }