:root {
            --bg-primary: #0A0B0D;
            --bg-secondary: #14171C;
            --bg-surface: #1E2229;
            --brand-primary: #FFD700;
            --brand-variant: #DAA520;
            --brand-secondary: #D4AF37;
            --brand-accent: #FF4D4D;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B3B8;
            --text-muted: #65676B;
            --border-default: #2D323B;
            --border-active: #FFD700;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Hind Siliguri', 'Noto Sans Bengali', system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.5;
            padding-bottom: 70px;
        }
        header {
            background-color: var(--bg-secondary);
            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-left { display: flex; align-items: center; gap: 8px; }
        .header-left img { width: 25px; height: 25px; border-radius: 4px; }
        .header-left strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        .header-right { display: flex; gap: 10px; }
        .btn {
            padding: 8px 16px;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            font-size: 14px;
            transition: opacity 0.2s;
        }
        .btn-login { background-color: transparent; color: var(--brand-primary); border: 1px solid var(--brand-primary); }
        .btn-register { background-color: var(--brand-primary); color: #000; }
        main { max-width: 800px; margin: 0 auto; padding: 15px; }
        .banner-container {
            width: 100%;
            aspect-ratio: 2/1;
            overflow: hidden;
            border-radius: 12px;
            margin-bottom: 20px;
            cursor: pointer;
        }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }
        .jackpot-card {
            background: linear-gradient(135deg, var(--bg-surface), #2a2e38);
            border: 1px solid var(--brand-secondary);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            margin-bottom: 20px;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.1);
        }
        .jackpot-label { color: var(--brand-primary); font-size: 14px; font-weight: 600; margin-bottom: 10px; text-transform: uppercase; }
        .jackpot-amount { font-size: 32px; font-weight: 700; color: var(--brand-primary); letter-spacing: 1px; }
        .intro-card { background-color: var(--bg-secondary); border-radius: 12px; padding: 20px; margin-bottom: 25px; border: 1px solid var(--border-default); }
        .intro-card h1 { font-size: 24px; color: var(--brand-primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 15px; }
        .section-title { font-size: 20px; margin-bottom: 15px; display: flex; align-items: center; gap: 10px; border-left: 4px solid var(--brand-primary); padding-left: 10px; }
        .game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 25px; }
        .game-card { background-color: var(--bg-secondary); border-radius: 12px; overflow: hidden; border: 1px solid var(--border-default); text-decoration: none; display: block; transition: transform 0.2s; }
        .game-card:active { transform: scale(0.97); }
        .game-image { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { font-size: 14px; padding: 10px; color: var(--text-primary); text-align: center; font-weight: 500; }
        .payment-section { background-color: var(--bg-surface); border-radius: 12px; padding: 20px; margin-bottom: 25px; }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; text-align: center; }
        .payment-item { display: flex; flex-direction: column; align-items: center; gap: 5px; }
        .payment-item i { font-size: 20px; color: var(--brand-primary); }
        .payment-item span { font-size: 10px; color: var(--text-secondary); }
        .guideline-section { margin-bottom: 25px; }
        .guideline-card { background-color: var(--bg-secondary); padding: 15px; border-radius: 12px; margin-bottom: 10px; border-left: 3px solid var(--brand-variant); }
        .guideline-card h3 { font-size: 16px; margin-bottom: 5px; color: var(--brand-primary); }
        .guideline-card p { font-size: 14px; color: var(--text-secondary); }
        .records-section { background-color: var(--bg-secondary); border-radius: 12px; padding: 15px; margin-bottom: 25px; overflow: hidden; }
        .record-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border-default); font-size: 13px; }
        .record-user { color: var(--brand-primary); }
        .record-amount { color: var(--semantic-success, #00C853); font-weight: 600; }
        .providers-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 25px; }
        .provider-box { background-color: var(--bg-surface); padding: 12px; text-align: center; border-radius: 8px; border: 1px solid var(--border-default); color: var(--brand-secondary); font-weight: 600; font-size: 14px; }
        .review-card { background-color: var(--bg-surface); padding: 15px; border-radius: 12px; margin-bottom: 15px; border: 1px dotted var(--border-default); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-avatar { width: 35px; height: 35px; border-radius: 50%; background: var(--bg-secondary); display: flex; align-items: center; justify-content: center; color: var(--brand-primary); }
        .review-stars { color: var(--brand-primary); font-size: 12px; }
        .faq-section { margin-bottom: 25px; }
        .faq-item { background-color: var(--bg-secondary); border-radius: 10px; margin-bottom: 10px; border: 1px solid var(--border-default); }
        .faq-question { padding: 15px; font-weight: 600; cursor: pointer; color: var(--brand-primary); font-size: 15px; }
        .faq-answer { padding: 0 15px 15px 15px; color: var(--text-secondary); font-size: 14px; border-top: 1px solid var(--bg-surface); }
        .security-section { background-color: var(--bg-surface); padding: 20px; border-radius: 12px; text-align: center; border: 1px solid var(--brand-accent); }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 24px; color: var(--brand-accent); }
        .security-text { font-size: 12px; color: var(--text-secondary); }
        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--bg-secondary);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 2px solid var(--brand-primary);
            z-index: 1000;
        }
        .nav-item { text-decoration: none; color: var(--text-secondary); display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 12px; }
        .nav-item i { font-size: 18px; }
        footer { background-color: var(--bg-secondary); padding: 30px 15px 100px 15px; border-top: 1px solid var(--border-default); text-align: center; }
        .footer-contacts { display: flex; justify-content: center; flex-wrap: wrap; gap: 15px; margin-bottom: 20px; }
        .footer-contacts a { color: var(--brand-primary); text-decoration: none; font-size: 14px; }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 20px; }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; }
        .footer-copy { font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border-default); padding-top: 15px; }