:root {
            --brand-primary: #FFD700;
            --brand-primary-hover: #FFC107;
            --brand-secondary: #C0C0C0;
            --brand-accent: #E60012;
            --bg-main: #0B0B0B;
            --bg-surface: #1A1A1A;
            --bg-elevated: #242424;
            --bg-overlay: rgba(0, 0, 0, 0.7);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-disabled: #666666;
            --text-inverse: #000000;
            --semantic-success: #4CAF50;
            --semantic-warning: #FF9800;
            --semantic-error: #F44336;
            --semantic-info: #2196F3;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --font-heading: 'Montserrat', sans-serif;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        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); font-weight: 700; text-transform: uppercase; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }

        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--border-strong);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header .logo-area img { width: 25px; height: 25px; border-radius: 4px; }
        header .logo-area strong { 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: 5px; cursor: pointer; font-weight: 500; }
        .btn-register { background: var(--brand-primary); color: var(--text-inverse); border: none; padding: 6px 15px; border-radius: 5px; cursor: pointer; font-weight: 700; }

        main { max-width: 1000px; margin: 0 auto; padding: 20px 15px; }
        .banner-container { width: 100%; margin-bottom: 20px; cursor: pointer; }
        .banner-container img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 15px; display: block; }

        .promo-card {
            background: linear-gradient(135deg, var(--bg-elevated), #333);
            border: 2px solid var(--brand-primary);
            border-radius: 20px;
            padding: 30px 20px;
            text-align: center;
            margin-bottom: 30px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .promo-card h2 { font-size: 24px; color: var(--brand-primary); margin-bottom: 15px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 25px; font-size: 16px; }
        .btn-promo { background: var(--brand-accent); color: white; padding: 15px 30px; border-radius: 50px; font-weight: bold; font-size: 18px; border: none; cursor: pointer; box-shadow: 0 4px 15px rgba(230,0,18,0.4); }

        .section-title { font-size: 20px; color: var(--brand-primary); margin: 40px 0 20px; border-left: 4px solid var(--brand-primary); padding-left: 10px; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { background: var(--bg-surface); border-radius: 12px; overflow: hidden; border: 1px solid var(--border-light); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { font-size: 14px; padding: 10px; text-align: center; color: var(--text-primary); }

        .intro-card {
            background: var(--bg-surface);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            border: 1px solid var(--border-medium);
            margin: 40px 0;
        }
        .intro-card h1 { color: var(--brand-primary); font-size: 32px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .payment-item {
            background: var(--bg-elevated);
            padding: 15px 5px;
            text-align: center;
            border-radius: 10px;
            font-size: 12px;
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
        }
        .payment-item i { display: block; font-size: 24px; color: var(--brand-primary); margin-bottom: 8px; }

        .guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 15px; }
        .guide-item { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-light); }
        .guide-item h3 { font-size: 16px; color: var(--brand-primary); margin-bottom: 10px; }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }

        .review-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }
        .review-card { background: var(--bg-elevated); padding: 20px; border-radius: 15px; border-left: 5px solid var(--brand-primary); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--brand-secondary); }
        .review-user { font-weight: bold; font-size: 15px; }
        .review-stars { color: var(--brand-primary); font-size: 13px; margin-left: auto; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-disabled); }

        .winning-list { background: var(--bg-surface); border-radius: 15px; overflow: hidden; }
        .winning-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 15px;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }
        .winning-item:last-child { border-bottom: none; }
        .win-name { color: var(--text-primary); }
        .win-amount { color: var(--brand-primary); font-weight: bold; }
        .win-time { color: var(--text-disabled); font-size: 12px; }

        .provider-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .provider-item {
            background: var(--bg-elevated);
            padding: 15px;
            text-align: center;
            border-radius: 10px;
            font-weight: bold;
            border: 1px solid var(--border-medium);
            color: var(--brand-primary);
        }

        .faq-container { display: flex; flex-direction: column; gap: 15px; }
        .faq-item { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-light); }
        .faq-item h3 { font-size: 16px; color: var(--brand-primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 2px solid var(--brand-primary);
            z-index: 2000;
        }
        .nav-item { display: flex; flex-direction: column; align-items: center; font-size: 11px; color: var(--text-secondary); }
        .nav-item i { font-size: 20px; margin-bottom: 5px; color: var(--text-primary); }

        footer {
            background: var(--bg-surface);
            padding: 40px 20px 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: 20px; font-size: 14px; }
        .footer-contact a { color: var(--brand-primary); }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            text-align: left;
            margin-bottom: 30px;
        }
        .footer-links a { font-size: 13px; color: var(--text-secondary); display: block; padding: 5px 0; }
        .footer-security {
            background: var(--bg-elevated);
            padding: 20px;
            border-radius: 15px;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .footer-security i { color: var(--semantic-success); margin-right: 5px; }

        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }