:root {
            --brand-primary: #FFD700;
            --brand-secondary: #C5A028;
            --brand-accent: #FF4500;
            --brand-highlight: #FFFACD;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --bg-gradient-start: #1A1A1A;
            --bg-gradient-end: #000000;
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-muted: #757575;
            --text-inverse: #000000;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background: linear-gradient(180deg, var(--bg-gradient-start), var(--bg-gradient-end));
            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: 10px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text-primary); }
        .header-logo img { width: 25px; height: 25px; border-radius: 50%; }
        .header-logo strong { font-size: 16px; font-weight: 400; }
        .header-actions { 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-family: var(--font-primary); transition: 0.3s; }
        .btn-register { background: var(--brand-primary); border: none; color: var(--text-inverse); padding: 6px 15px; border-radius: 5px; cursor: pointer; font-family: var(--font-primary); font-weight: 600; transition: 0.3s; }
        .btn-register:hover, .btn-login:hover { opacity: 0.9; transform: translateY(-2px); }
        main { padding: 20px 15px; max-width: 1200px; margin: 0 auto; }
        .banner-container { width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: 15px; margin-bottom: 20px; cursor: pointer; border: 2px solid var(--border-medium); }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }
        .reward-section { background: linear-gradient(45deg, #2a2a2a, #1a1a1a); padding: 30px 20px; border-radius: 20px; text-align: center; border: 1px solid var(--brand-secondary); margin-bottom: 30px; }
        .reward-section h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-main-cta { background: var(--brand-accent); color: white; padding: 15px 40px; border-radius: 50px; font-size: 18px; font-weight: bold; border: none; cursor: pointer; text-transform: uppercase; box-shadow: 0 4px 15px rgba(255,69,0,0.4); }
        .intro-card { background: var(--bg-surface); padding: 25px; border-radius: 20px; border-left: 5px solid var(--brand-primary); margin-bottom: 30px; }
        .intro-card h1 { color: var(--brand-primary); font-size: 28px; margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; }
        .section-title { color: var(--brand-primary); font-size: 22px; margin: 30px 0 20px; text-align: center; display: flex; align-items: center; justify-content: center; gap: 10px; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { background: var(--bg-surface); border-radius: 15px; overflow: hidden; text-decoration: none; color: white; transition: 0.3s; border: 1px solid var(--border-light); position: relative; }
        .game-card:hover { transform: scale(1.03); border-color: var(--brand-primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-info { padding: 12px; text-align: center; }
        .game-info h3 { font-size: 15px; font-weight: 500; color: var(--text-primary); }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 30px; }
        .payment-item { background: var(--bg-surface); padding: 15px; border-radius: 12px; text-align: center; border: 1px solid var(--border-medium); display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 13px; }
        .payment-item i { font-size: 24px; color: var(--brand-primary); }
        .guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-bottom: 30px; }
        .guide-card { background: var(--bg-surface); padding: 20px; border-radius: 15px; border-top: 3px solid var(--brand-primary); }
        .guide-card h3 { color: var(--brand-primary); margin-bottom: 10px; font-size: 18px; }
        .guide-card p { color: var(--text-secondary); font-size: 14px; }
        .review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 30px; }
        .review-card { background: var(--bg-surface); padding: 20px; border-radius: 15px; border: 1px solid var(--border-light); }
        .review-user { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-user i { font-size: 30px; color: var(--brand-primary); }
        .review-user div strong { display: block; font-size: 16px; }
        .review-user div span { font-size: 12px; color: var(--text-muted); }
        .review-stars { color: var(--warning); margin-bottom: 10px; }
        .review-text { color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
        .lottery-table { width: 100%; background: var(--bg-surface); border-radius: 15px; border-collapse: collapse; overflow: hidden; margin-bottom: 30px; border: 1px solid var(--border-medium); }
        .lottery-table th { background: var(--brand-secondary); color: var(--text-inverse); padding: 12px; text-align: left; font-size: 14px; }
        .lottery-table td { padding: 12px; border-bottom: 1px solid var(--border-light); font-size: 13px; color: var(--text-secondary); }
        .lottery-table tr:last-child td { border-bottom: none; }
        .lottery-win { color: var(--brand-primary); font-weight: bold; }
        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 30px; }
        .provider-item { background: linear-gradient(135deg, var(--bg-surface), #252525); padding: 15px; text-align: center; border-radius: 10px; font-weight: bold; color: var(--brand-primary); border: 1px solid var(--border-light); }
        .faq-section { margin-bottom: 30px; }
        .faq-card { background: var(--bg-surface); margin-bottom: 10px; border-radius: 10px; border: 1px solid var(--border-medium); }
        .faq-question { padding: 15px; font-weight: bold; color: var(--brand-primary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
        .faq-answer { padding: 0 15px 15px 15px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
        .security-section { background: var(--bg-surface); padding: 25px; border-radius: 20px; text-align: center; border: 1px solid var(--border-medium); margin-bottom: 30px; }
        .security-badges { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
        .badge { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-secondary); }
        .badge i { color: var(--success); }
        .age-notice { color: var(--error); font-weight: bold; font-size: 14px; margin-top: 15px; }
        .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; box-shadow: 0 -5px 15px rgba(0,0,0,0.5); }
        .nav-item { text-decoration: none; color: var(--text-secondary); display: flex; flex-direction: column; align-items: center; gap: 5px; font-size: 12px; font-family: var(--font-primary); transition: 0.3s; }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--brand-primary); }
        footer { background: var(--bg-surface); padding: 40px 15px 100px; border-top: 1px solid var(--border-medium); color: var(--text-secondary); font-family: var(--font-primary); }
        .footer-contact { text-align: center; margin-bottom: 30px; }
        .footer-contact p { margin-bottom: 15px; font-weight: bold; color: var(--text-primary); }
        .footer-contact-links { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }
        .footer-contact-links a { color: var(--brand-primary); text-decoration: none; font-size: 13px; }
        .footer-links-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 30px; text-align: center; }
        .footer-links-grid a { color: var(--text-muted); text-decoration: none; font-size: 13px; display: block; margin-bottom: 8px; transition: 0.3s; }
        .footer-links-grid a:hover { color: var(--brand-primary); }
        .footer-copy { text-align: center; font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border-light); padding-top: 20px; }
        @media (max-width: 768px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links-grid { grid-template-columns: repeat(2, 1fr); }
        }