:root {
            --brand-primary: #FFD700;
            --brand-primary-hover: #FFC107;
            --brand-secondary: #C0C0C0;
            --brand-accent: #FF4500;
            --brand-dark: #1A1A1A;
            --bg-main: #0F0F0F;
            --bg-surface: #1E1E1E;
            --bg-surface-light: #2C2C2C;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-disabled: #666666;
            --text-highlight: #FFD700;
            --semantic-success: #4CAF50;
            --semantic-warning: #FF9800;
            --semantic-error: #F44336;
            --semantic-info: #2196F3;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Roboto', 'Segoe UI', Arial, 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;
        }

        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--border-strong);
            padding: 0 15px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-left { display: flex; align-items: center; gap: 10px; }
        .header-logo { width: 25px; height: 25px; border-radius: 4px; }
        .header-name { font-size: 16px; font-weight: normal; color: var(--text-primary); }

        .header-right { display: flex; gap: 10px; }
        .btn-header { 
            padding: 6px 15px; 
            border-radius: 5px; 
            cursor: pointer; 
            font-size: 14px; 
            font-weight: 600; 
            border: none; 
            transition: 0.3s; 
        }
        .btn-login { background: var(--bg-surface-light); color: var(--text-primary); border: 1px solid var(--border-medium); }
        .btn-register { background: var(--brand-primary); color: var(--brand-dark); }
        .btn-register:hover { background: var(--brand-primary-hover); }

        main { padding: 20px 15px; max-width: 1200px; margin: 0 auto; padding-bottom: 100px; }

        .banner-container { 
            width: 100%; 
            margin-bottom: 20px; 
            border-radius: 15px; 
            overflow: hidden; 
            cursor: pointer; 
        }
        .banner-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }

        .promo-card { 
            background: linear-gradient(135deg, #1e1e1e 0%, #2c2c2c 100%); 
            border: 2px solid var(--brand-primary); 
            border-radius: 20px; 
            padding: 30px 20px; 
            text-align: center; 
            margin-bottom: 30px; 
        }
        .promo-card h2 { font-family: var(--font-heading); color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .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: 50px; 
            text-decoration: none; 
            font-weight: bold; 
            font-size: 18px; 
            display: inline-block; 
            border: none; 
            cursor: pointer; 
            box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
        }

        .section-title { 
            font-family: var(--font-heading); 
            font-size: 22px; 
            margin-bottom: 20px; 
            border-left: 5px solid var(--brand-primary); 
            padding-left: 15px; 
        }

        .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: transform 0.2s; 
            border: 1px solid var(--border-light); 
        }
        .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: 12px; 
            font-size: 14px; 
            text-align: center; 
            color: var(--text-primary); 
            font-family: var(--font-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .intro-card { 
            background: var(--bg-surface); 
            padding: 25px; 
            border-radius: 20px; 
            border: 1px solid var(--border-medium); 
            margin-bottom: 30px; 
            text-align: center; 
        }
        .intro-card h1 { font-family: var(--font-heading); color: var(--brand-primary); font-size: 28px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.6; }

        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .payment-item { 
            background: var(--bg-surface-light); 
            padding: 15px 5px; 
            border-radius: 10px; 
            text-align: center; 
            font-size: 12px; 
            color: var(--text-secondary); 
            border: 1px solid var(--border-light); 
        }
        .payment-item i { display: block; font-size: 20px; color: var(--brand-primary); margin-bottom: 8px; }

        .guide-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); 
            gap: 20px; 
            margin-bottom: 30px; 
        }
        .guide-item { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            border-bottom: 3px solid var(--brand-primary); 
        }
        .guide-item h3 { font-size: 18px; color: var(--brand-primary); margin-bottom: 10px; }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }

        .review-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
            gap: 20px; 
            margin-bottom: 30px; 
        }
        .review-card { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-light); 
        }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-avatar { 
            width: 40px; 
            height: 40px; 
            background: var(--bg-surface-light); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            color: var(--brand-primary); 
        }
        .review-user { font-weight: 600; font-size: 15px; }
        .review-stars { color: var(--brand-primary); font-size: 12px; margin-left: auto; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-disabled); }

        .win-list { 
            display: flex; 
            flex-direction: column; 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .win-item { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            background: var(--bg-surface); 
            padding: 12px 15px; 
            border-radius: 10px; 
            font-size: 14px; 
            border-left: 4px solid var(--brand-primary); 
        }
        .win-amount { color: var(--brand-primary); font-weight: bold; }

        .provider-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .provider-item { 
            background: var(--bg-surface-light); 
            text-align: center; 
            padding: 15px; 
            border-radius: 8px; 
            font-weight: 600; 
            color: var(--text-primary); 
            border: 1px solid var(--border-medium); 
        }

        .faq-section { margin-bottom: 30px; }
        .faq-item { 
            background: var(--bg-surface); 
            border-radius: 10px; 
            margin-bottom: 10px; 
            padding: 15px; 
            border: 1px solid var(--border-light); 
        }
        .faq-question { color: var(--brand-primary); font-weight: 600; margin-bottom: 10px; display: block; }
        .faq-answer { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-surface); 
            height: 65px; 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            border-top: 2px solid var(--border-strong); 
            z-index: 1000; 
            padding: 0 10px; 
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--text-secondary); 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            font-size: 11px; 
            gap: 5px; 
            flex: 1; 
        }
        .nav-item i { font-size: 20px; color: var(--text-primary); }

        footer { 
            background: var(--bg-surface); 
            padding: 40px 15px 100px; 
            border-top: 1px solid var(--border-medium); 
            text-align: center; 
        }
        .footer-contact { 
            margin-bottom: 30px; 
            display: flex; 
            flex-wrap: wrap; 
            justify-content: center; 
            gap: 15px; 
        }
        .contact-link { color: var(--brand-primary); text-decoration: none; font-size: 14px; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
            text-align: left; 
        }
        .footer-link { color: var(--text-secondary); text-decoration: none; font-size: 13px; }
        .security-box { 
            border-top: 1px solid var(--border-light); 
            padding-top: 20px; 
            font-size: 12px; 
            color: var(--text-disabled); 
        }
        .security-seals { 
            display: flex; 
            justify-content: center; 
            gap: 20px; 
            margin-bottom: 15px; 
            color: var(--brand-secondary); 
        }

        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }