:root {
            --brand-primary: #FFD700;
            --brand-primary-hover: #FFC107;
            --brand-secondary: #C0C0C0;
            --brand-accent: #FF4500;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-surface-variant: #242424;
            --bg-overlay: rgba(0, 0, 0, 0.7);
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-muted: #666666;
            --text-on-brand: #000000;
            --semantic-success: #4CAF50;
            --semantic-warning: #FF9800;
            --semantic-error: #F44336;
            --semantic-info: #2196F3;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Roboto', sans-serif;
            --font-secondary: 'Montserrat', sans-serif;
            --font-heading: 'Playfair Display', serif;
        }
        * { 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: var(--font-primary); line-height: 1.5; overflow-x: hidden; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .btn { cursor: pointer; border: none; border-radius: 8px; font-weight: 600; transition: 0.3s; display: inline-flex; align-items: center; justify-content: center; }
        .btn-primary { background-color: var(--brand-primary); color: var(--text-on-brand); }
        .btn-primary:hover { background-color: var(--brand-primary-hover); }
        .section-title { font-family: var(--font-heading); color: var(--brand-primary); font-size: 24px; margin-bottom: 20px; text-align: center; }
        .card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 30px; }
        .game-card { background: var(--bg-surface); border-radius: 15px; overflow: hidden; border: 1px solid var(--border-light); text-align: center; }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { font-size: 14px; padding: 10px; color: var(--text-primary); font-weight: 500; }
        header { background: var(--bg-surface); height: 60px; display: flex; align-items: center; position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid var(--border-medium); }
        header .container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
        .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: 6px 15px; font-size: 13px; border-radius: 5px; }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--brand-primary); }
        .btn-reg { background: var(--brand-primary); color: var(--text-on-brand); }
        .main-banner { width: 100%; aspect-ratio: 4/3; cursor: pointer; overflow: hidden; }
        .main-banner img { width: 100%; height: 100%; object-fit: cover; }
        .promo-section { background: linear-gradient(135deg, var(--bg-surface), var(--bg-surface-variant)); padding: 30px 20px; border-radius: 20px; text-align: center; margin: 20px 0; border: 2px solid var(--brand-primary); }
        .promo-section h2 { font-family: var(--font-heading); font-size: 28px; color: var(--brand-primary); margin-bottom: 15px; }
        .promo-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-promo { padding: 15px 30px; font-size: 18px; border-radius: 50px; background: var(--brand-accent); color: white; text-transform: uppercase; box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4); }
        .intro-card { background: var(--bg-surface); padding: 30px; border-radius: 20px; border-left: 5px solid var(--brand-primary); margin: 30px 0; }
        .intro-card h1 { font-family: var(--font-heading); color: var(--brand-primary); font-size: 32px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); line-height: 1.8; }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 30px 0; }
        .payment-item { background: var(--bg-surface-variant); padding: 15px; border-radius: 10px; text-align: center; border: 1px solid var(--border-light); }
        .payment-item i { display: block; font-size: 24px; color: var(--brand-primary); margin-bottom: 8px; }
        .payment-item span { font-size: 12px; color: var(--text-secondary); }
        .guide-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin: 30px 0; }
        .guide-item { background: var(--bg-surface); padding: 20px; border-radius: 15px; border: 1px solid var(--border-light); }
        .guide-item h3 { color: var(--brand-primary); margin-bottom: 10px; font-size: 18px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }
        .review-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin: 30px 0; }
        .review-card { background: var(--bg-surface-variant); 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(--brand-secondary); }
        .user-name { font-weight: 600; color: var(--text-primary); }
        .stars { color: var(--brand-primary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 11px; color: var(--text-muted); position: absolute; top: 20px; right: 20px; }
        .win-record { background: var(--bg-surface); padding: 12px; border-radius: 10px; margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-light); }
        .win-user { font-weight: 500; color: var(--text-secondary); }
        .win-game { font-size: 13px; color: var(--text-primary); }
        .win-amount { color: var(--semantic-success); font-weight: 700; }
        .win-time { font-size: 11px; color: var(--text-muted); }
        .provider-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin: 30px 0; }
        .provider-item { background: var(--bg-surface-variant); padding: 20px; text-align: center; border-radius: 10px; font-weight: 700; color: var(--brand-primary); border: 1px solid var(--border-medium); }
        .faq-item { background: var(--bg-surface); margin-bottom: 15px; border-radius: 12px; overflow: hidden; border: 1px solid var(--border-light); }
        .faq-question { padding: 15px 20px; background: var(--bg-surface-variant); cursor: pointer; font-weight: 600; color: var(--brand-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: var(--bg-surface); display: flex; justify-content: space-around; align-items: center; height: 65px; border-top: 1px solid var(--border-medium); z-index: 2000; padding-bottom: 10px; }
        .nav-item { display: flex; flex-direction: column; align-items: center; gap: 5px; font-size: 11px; color: var(--text-secondary); }
        .nav-item i { font-size: 20px; color: var(--brand-primary); }
        footer { background: var(--bg-surface); padding: 40px 0 100px 0; border-top: 2px solid var(--brand-primary); }
        .footer-contact { text-align: center; margin-bottom: 30px; }
        .contact-links { display: flex; justify-content: center; gap: 20px; 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: 15px; margin-bottom: 30px; text-align: center; }
        .footer-links a { display: block; color: var(--text-secondary); font-size: 13px; padding: 5px 0; }
        .footer-security { text-align: center; padding: 20px; border-top: 1px solid var(--border-light); }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 24px; color: var(--brand-secondary); }
        .security-text { font-size: 12px; color: var(--text-muted); line-height: 1.6; }
        @media (min-width: 768px) {
            .card-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .guide-grid { grid-template-columns: repeat(2, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(5, 1fr); }
        }