:root {
            --primary: #FFD700;
            --secondary: #C5A000;
            --accent: #E6B800;
            --highlight: #FFFFFF;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --grad-start: #1A1A1A;
            --grad-end: #000000;
            --success: #28A745;
            --error: #DC3545;
            --warning: #FFC107;
            --info: #17A2B8;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #757575;
            --text-inverse: #000000;
            --border-def: #333333;
            --border-strong: #4D4D4D;
            --border-brand: #FFD700;
            --font-main: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-secondary: 'Poppins', sans-serif;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
        body { background: var(--bg-main); color: var(--text-primary); font-family: var(--font-main); line-height: 1.5; overflow-x: hidden; }
        header { background: var(--bg-surface); 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-def); }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; border-radius: 4px; }
        header strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        header .auth-btns { display: flex; gap: 8px; }
        header .btn-auth { padding: 6px 14px; border-radius: 6px; font-size: 14px; cursor: pointer; border: none; font-family: var(--font-main); transition: 0.3s; }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-brand) !important; }
        .btn-reg { background: var(--primary); color: var(--text-inverse); font-weight: 600; }
        main { max-width: 800px; margin: 0 auto; padding-bottom: 80px; }
        .hero-banner { width: 100%; aspect-ratio: 2/1; cursor: pointer; overflow: hidden; }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        .reward-card { background: linear-gradient(135deg, var(--secondary), var(--accent)); margin: 15px; padding: 20px; border-radius: 16px; text-align: center; color: var(--text-inverse); box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
        .reward-card h2 { font-size: 24px; margin-bottom: 10px; }
        .reward-card p { font-size: 15px; margin-bottom: 20px; opacity: 0.9; }
        .btn-main-reg { background: var(--text-inverse); color: var(--primary); padding: 12px 30px; border-radius: 50px; font-weight: 700; text-decoration: none; display: inline-block; font-size: 18px; transition: 0.3s; border: none; cursor: pointer; }
        .intro-card { background: var(--bg-surface); margin: 15px; padding: 25px; border-radius: 16px; border: 1px solid var(--border-strong); text-align: center; }
        .intro-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 15px; }
        .intro-card p { font-size: 16px; color: var(--text-secondary); }
        .section-title { font-size: 22px; padding: 20px 15px 10px; color: var(--primary); text-align: left; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 15px; }
        .game-card { background: var(--bg-surface); border-radius: 12px; overflow: hidden; text-decoration: none; border: 1px solid var(--border-def); transition: 0.3s; }
        .game-card:hover { border-color: var(--primary); transform: translateY(-3px); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { font-size: 14px; color: var(--text-primary); padding: 10px; text-align: center; font-weight: 500; }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0 15px; }
        .pay-item { background: var(--bg-surface); padding: 15px 5px; border-radius: 10px; text-align: center; border: 1px solid var(--border-def); }
        .pay-item i { display: block; color: var(--primary); font-size: 20px; margin-bottom: 8px; }
        .pay-item span { font-size: 11px; color: var(--text-secondary); display: block; }
        .guideline-grid { padding: 0 15px; display: grid; gap: 15px; }
        .guide-item { background: var(--bg-surface); padding: 15px; border-radius: 12px; border-left: 4px solid var(--primary); }
        .guide-item h3 { font-size: 16px; margin-bottom: 8px; color: var(--highlight); }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { padding: 0 15px; display: grid; gap: 15px; }
        .review-card { background: var(--bg-surface); padding: 20px; border-radius: 16px; border: 1px solid var(--border-def); }
        .rev-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .rev-header i { font-size: 24px; color: var(--primary); }
        .rev-name { font-weight: 600; font-size: 15px; }
        .rev-stars { color: var(--warning); font-size: 12px; margin-left: 10px; }
        .rev-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .rev-date { font-size: 12px; color: var(--text-muted); display: block; text-align: right; }
        .lottery-list { padding: 0 15px; display: grid; gap: 10px; }
        .lottery-item { background: var(--bg-surface); padding: 12px 15px; border-radius: 10px; display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--border-strong); }
        .lot-user { font-size: 14px; color: var(--text-secondary); }
        .lot-game { font-size: 14px; font-weight: 600; }
        .lot-win { color: var(--primary); font-weight: 700; }
        .lot-time { font-size: 12px; color: var(--text-muted); }
        .provider-wall { padding: 0 15px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .prov-box { background: linear-gradient(45deg, #222, #333); padding: 15px; border-radius: 10px; text-align: center; font-weight: 600; color: var(--primary); border: 1px solid var(--border-strong); }
        .faq-section { padding: 0 15px; display: grid; gap: 15px; }
        .faq-card { background: var(--bg-surface); padding: 15px; border-radius: 12px; border: 1px solid var(--border-def); }
        .faq-card h3 { font-size: 16px; color: var(--primary); margin-bottom: 8px; }
        .faq-card p { font-size: 14px; color: var(--text-secondary); }
        .security-box { margin: 15px; background: var(--bg-surface); padding: 20px; border-radius: 16px; border: 1px solid var(--border-strong); text-align: center; }
        .sec-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; color: var(--primary); font-size: 24px; }
        .sec-text { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
        .navigator { position: fixed; bottom: 0; left: 0; right: 0; background: var(--bg-surface); display: flex; justify-content: space-around; align-items: center; height: 65px; border-top: 1px solid var(--border-def); z-index: 1000; padding-bottom: env(safe-area-inset-bottom); }
        .nav-item { text-decoration: none; color: var(--text-secondary); display: flex; flex-direction: column; align-items: center; font-size: 11px; gap: 5px; transition: 0.3s; }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--primary); }
        footer { background: var(--bg-surface); padding: 30px 15px 100px; border-top: 1px solid var(--border-def); text-align: center; }
        .footer-contact { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: 25px; font-size: 14px; }
        .footer-contact a { color: var(--primary); text-decoration: none; }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 30px; text-align: left; }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; display: block; padding: 4px 0; }
        .footer-copy { font-size: 12px; color: var(--text-muted); }