:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --bg-main: #0B0E11;
            --bg-surface: #1E2329;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --success: #00C853;
            --error: #FF5252;
            --warning: #FFAB00;
            --info: #2196F3;
            --text-primary: #FFFFFF;
            --text-secondary: #B7B7B7;
            --text-disabled: #5E636B;
            --border-light: #363C4E;
            --border-medium: #474D57;
            --border-dark: #2B2F36;
            --font-primary: 'Hind Siliguri', 'Segoe UI', Roboto, 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; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }

        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--primary);
            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-btns { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 6px 15px; border-radius: 5px; cursor: pointer; font-family: var(--font-primary); }
        .btn-reg { background: var(--primary); border: none; color: #000; padding: 6px 15px; border-radius: 5px; cursor: pointer; font-weight: 600; font-family: var(--font-primary); }

        main { padding: 0; max-width: 600px; margin: 0 auto; }
        .banner-container { width: 100%; aspect-ratio: 2/1; overflow: hidden; cursor: pointer; }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }

        .section-card { background: var(--bg-surface); margin: 15px; border-radius: 15px; padding: 20px; border: 1px solid var(--border-light); box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
        .reward-banner { text-align: center; background: linear-gradient(45deg, #1e2329, #363c4e); border: 2px dashed var(--primary); }
        .reward-banner h2 { color: var(--primary); margin-bottom: 10px; }
        .reward-banner p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-cta { display: block; background: var(--accent); color: #fff; text-align: center; padding: 15px; border-radius: 10px; font-weight: bold; font-size: 18px; text-transform: uppercase; }

        .intro-card h1 { color: var(--primary); font-size: 32px; text-align: center; margin-bottom: 10px; }
        .intro-card p { text-align: center; color: var(--text-secondary); font-size: 16px; }

        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 15px; }
        .game-card { background: var(--border-dark); border-radius: 12px; overflow: hidden; text-align: center; border: 1px solid var(--border-medium); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { font-size: 14px; padding: 10px; color: var(--text-primary); }

        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; text-align: center; }
        .pay-item { background: var(--border-dark); padding: 10px; border-radius: 8px; font-size: 12px; color: var(--text-secondary); }
        .pay-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 5px; }

        .guideline-list { display: grid; gap: 15px; }
        .guide-item { background: var(--border-dark); padding: 15px; border-radius: 10px; border-left: 4px solid var(--primary); }
        .guide-item h3 { font-size: 16px; color: var(--primary); margin-bottom: 5px; }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }

        .review-card { background: var(--border-dark); padding: 15px; border-radius: 12px; margin-bottom: 12px; }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--secondary); }
        .review-name { font-weight: bold; font-size: 14px; }
        .review-stars { color: var(--primary); font-size: 12px; }
        .review-date { font-size: 11px; color: var(--text-disabled); float: right; }
        .review-text { font-size: 14px; color: var(--text-secondary); }

        .lottery-list { display: grid; gap: 10px; }
        .lottery-item { display: flex; justify-content: space-between; padding: 12px; background: var(--border-dark); border-radius: 8px; font-size: 13px; align-items: center; }
        .win-amount { color: var(--success); font-weight: bold; }

        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .prov-box { padding: 15px; border-radius: 8px; text-align: center; font-weight: bold; background: linear-gradient(135deg, #2B2F36, #363C4E); color: var(--primary); border: 1px solid var(--border-medium); }

        .faq-item { margin-bottom: 15px; border-bottom: 1px solid var(--border-dark); padding-bottom: 10px; }
        .faq-item h3 { font-size: 16px; color: var(--primary); margin-bottom: 8px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }

        .security-box { text-align: center; font-size: 13px; color: var(--text-secondary); }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; }
        .security-icons i { font-size: 30px; color: var(--success); }
        .age-notice { color: var(--error); font-weight: bold; margin-top: 10px; display: block; }

        .navigator {
            position: fixed; bottom: 0; left: 0; right: 0; height: 65px;
            background: var(--bg-surface); border-top: 1px solid var(--border-light);
            display: grid; grid-template-columns: repeat(5, 1fr);
            z-index: 2000;
        }
        .nav-item { display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--text-secondary); font-size: 11px; }
        .nav-item i { font-size: 20px; margin-bottom: 4px; color: var(--primary); }

        footer { background: var(--bg-surface); padding: 30px 20px; border-top: 3px solid var(--primary); font-family: var(--font-primary); color: var(--text-secondary); }
        .footer-contact { text-align: center; margin-bottom: 20px; }
        .contact-links { display: flex; justify-content: center; gap: 15px; margin-top: 10px; flex-wrap: wrap; }
        .contact-links a { font-size: 13px; color: var(--primary); }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; text-align: center; margin-bottom: 25px; }
        .footer-links a { font-size: 12px; display: block; margin-bottom: 8px; }
        .footer-copy { text-align: center; font-size: 12px; border-top: 1px solid var(--border-dark); padding-top: 20px; }

        h2 { font-size: 22px; color: var(--primary); text-align: center; margin-bottom: 20px; }