:root {
            --brand-primary: #FFD700;
            --brand-primary-hover: #FFC107;
            --brand-secondary: #C0C0C0;
            --brand-accent: #E60012;
            --brand-dark: #1A1A1A;
            --bg-main: #0F0F0F;
            --bg-surface: #1C1C1C;
            --bg-surface-light: #2A2A2A;
            --bg-overlay: rgba(0, 0, 0, 0.7);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #757575;
            --text-inverse: #000000;
            --success: #4CAF50;
            --warning: #FF9800;
            --error: #F44336;
            --info: #2196F3;
            --border-default: #333333;
            --border-highlight: #FFD700;
            --border-subtle: #262626;
            --font-primary: 'Roboto', 'Segoe UI', sans-serif;
            --font-secondary: 'Open Sans', 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-highlight);
            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-left img { width: 25px; height: 25px; object-fit: cover; }
        .header-left strong { font-size: 16px; font-weight: normal; color: var(--brand-primary); }
        .header-right { display: flex; gap: 10px; }
        .btn-nav { 
            padding: 6px 15px; 
            border-radius: 5px; 
            font-size: 14px; 
            cursor: pointer; 
            border: none; 
            font-weight: 600; 
            transition: 0.3s; 
        }
        .btn-login { background-color: var(--bg-surface-light); color: var(--text-primary); border: 1px solid var(--border-default); }
        .btn-register { background-color: var(--brand-primary); color: var(--text-inverse); }
        .btn-register:hover { background-color: var(--brand-primary-hover); }

        main { max-width: 1000px; margin: 0 auto; padding: 0 15px 100px; }
        .banner-container { width: 100%; margin-top: 15px; cursor: pointer; }
        .banner-container img { 
            width: 100%; 
            aspect-ratio: 4/3; 
            border-radius: 15px; 
            object-fit: cover; 
            display: block; 
        }
        .card-section { 
            background-color: var(--bg-surface); 
            border-radius: 15px; 
            padding: 20px; 
            margin: 20px 0; 
            border: 1px solid var(--border-default); 
        }
        h1 { font-family: var(--font-heading); color: var(--brand-primary); font-size: 32px; margin-bottom: 10px; text-align: center; }
        h2 { font-family: var(--font-heading); color: var(--brand-primary); font-size: 24px; margin-bottom: 20px; text-align: center; border-bottom: 2px solid var(--brand-primary); display: inline-block; width: 100%; padding-bottom: 10px; }
        h3 { font-family: var(--font-heading); font-size: 18px; color: var(--text-primary); margin: 10px 0; text-align: center; }
        .intro-text { text-align: center; color: var(--text-secondary); font-size: 16px; line-height: 1.8; }

        .promo-card { 
            background: linear-gradient(135deg, #1c1c1c 0%, #2a2a2a 100%); 
            text-align: center; 
            border: 2px solid var(--brand-primary);
        }
        .promo-card p { font-size: 18px; margin-bottom: 20px; color: var(--text-primary); }
        .btn-bonus { 
            background-color: var(--brand-accent); 
            color: white; 
            padding: 15px 30px; 
            border-radius: 30px; 
            font-size: 20px; 
            font-weight: bold; 
            cursor: pointer; 
            border: none; 
            text-transform: uppercase; 
            box-shadow: 0 0 15px var(--brand-accent);
        }

        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-item { text-decoration: none; background: var(--bg-surface-light); border-radius: 12px; overflow: hidden; transition: 0.3s; border: 1px solid var(--border-subtle); }
        .game-item:hover { transform: translateY(-5px); border-color: var(--brand-primary); }
        .game-item img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-item h3 { padding: 10px; font-size: 16px; }

        .guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; }
        .guide-card { background: var(--bg-surface-light); padding: 15px; border-radius: 10px; border-left: 4px solid var(--brand-primary); }
        .guide-card h3 { text-align: left; font-size: 16px; margin-bottom: 8px; }
        .guide-card p { font-size: 14px; color: var(--text-secondary); }

        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; text-align: center; }
        .payment-item { background: var(--bg-surface-light); padding: 15px; border-radius: 10px; border: 1px solid var(--border-subtle); color: var(--brand-primary); }
        .payment-item i { font-size: 24px; display: block; margin-bottom: 8px; }
        .payment-item span { font-size: 12px; color: var(--text-primary); }

        .review-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }
        .review-card { background: var(--bg-surface-light); padding: 15px; border-radius: 12px; display: flex; gap: 15px; }
        .review-avatar { width: 50px; height: 50px; background: var(--brand-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text-inverse); font-size: 20px; }
        .review-content { flex: 1; }
        .review-header { display: flex; justify-content: space-between; margin-bottom: 5px; }
        .review-name { font-weight: bold; color: var(--brand-primary); }
        .review-stars { color: var(--brand-primary); font-size: 12px; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 5px; }
        .review-date { font-size: 12px; color: var(--text-muted); }

        .lottery-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
        .lottery-item { background: var(--bg-surface-light); padding: 12px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--border-subtle); }
        .lottery-user { font-weight: 500; color: var(--text-primary); }
        .lottery-game { color: var(--text-muted); font-size: 13px; }
        .lottery-win { color: var(--brand-primary); font-weight: bold; }
        .lottery-time { font-size: 12px; color: var(--text-muted); }

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

        .faq-container { display: grid; grid-template-columns: 1fr; gap: 15px; }
        .faq-item { background: var(--bg-surface-light); border-radius: 10px; padding: 15px; border: 1px solid var(--border-subtle); }
        .faq-item h3 { text-align: left; font-size: 16px; margin-bottom: 10px; color: var(--brand-primary); }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }

        .security-section { text-align: center; background: var(--bg-surface-light); padding: 20px; border-radius: 15px; border: 1px solid var(--border-default); }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 30px; color: var(--brand-primary); }
        .security-text { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
        .security-links { margin-top: 10px; display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
        .security-links a { color: var(--brand-primary); font-size: 13px; text-decoration: none; }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 65px;
            background-color: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            align-items: center;
            border-top: 2px solid var(--border-highlight);
            z-index: 2000;
            padding: 0 10px;
        }
        .nav-item { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            justify-content: center; 
            text-decoration: none; 
            color: var(--text-secondary); 
            font-size: 12px; 
            gap: 5px;
        }
        .nav-item i { font-size: 20px; color: var(--brand-primary); }

        footer {
            background-color: var(--bg-surface);
            padding: 30px 15px 120px;
            border-top: 1px solid var(--border-default);
            text-align: center;
        }
        .footer-contact { margin-bottom: 20px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
        .contact-links { display: flex; gap: 15px; flex-wrap: wrap; justify-content: center; }
        .contact-links a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            text-align: left; 
            margin-bottom: 25px; 
            max-width: 600px; 
            margin-left: auto; 
            margin-right: auto; 
        }
        .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; display: block; margin-bottom: 5px; }
        .footer-copy { color: var(--text-muted); font-size: 12px; }

        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .lottery-grid { grid-template-columns: repeat(2, 1fr); }
            .provider-grid { grid-template-columns: repeat(4, 1fr); }
        }