:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #E60000;
            --highlight: #FFC107;
            --bg-main: #0B0E11;
            --bg-surface: #1E2329;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --bg-alt: #161A1E;
            --text-primary: #FFFFFF;
            --text-secondary: #B7B7B7;
            --text-muted: #848E9C;
            --text-inverse: #000000;
            --success: #0ECB81;
            --warning: #F0B90B;
            --danger: #F6465D;
            --info: #3498DB;
            --border-light: #2B3139;
            --border-medium: #474D57;
            --border-dark: #1B1F24;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
            --font-heading: 'Noto Sans Bengali', 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; }
        header { background-color: var(--bg-surface); border-bottom: 1px solid var(--border-light); padding: 10px 15px; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; height: 60px; }
        header .logo-area { display: flex; align-items: center; gap: 8px; }
        header .logo-area img { width: 25px; height: 25px; border-radius: 4px; }
        header .logo-area strong { font-size: 16px; font-weight: 400; color: var(--primary); }
        header .auth-btns { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 6px 16px; border-radius: 4px; cursor: pointer; font-family: var(--font-primary); font-size: 14px; }
        .btn-reg { background: var(--primary); border: none; color: var(--text-inverse); padding: 6px 16px; border-radius: 4px; cursor: pointer; font-family: var(--font-primary); font-size: 14px; font-weight: 600; }
        main { max-width: 1000px; margin: 0 auto; padding: 15px; padding-bottom: 80px; }
        .hero-banner { width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: 12px; cursor: pointer; margin-bottom: 20px; }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        .reward-card { background: linear-gradient(135deg, var(--bg-surface), var(--bg-alt)); border: 1px solid var(--border-medium); padding: 25px; border-radius: 16px; text-align: center; margin-bottom: 25px; }
        .reward-card h2 { font-family: var(--font-heading); color: var(--primary); margin-bottom: 12px; }
        .reward-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-big-reg { background: var(--primary); color: var(--text-inverse); padding: 15px 30px; border-radius: 30px; text-decoration: none; font-weight: bold; font-size: 18px; display: inline-block; border: none; cursor: pointer; box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3); }
        .intro-card { background: var(--bg-surface); border-left: 4px solid var(--primary); padding: 20px; border-radius: 12px; margin-bottom: 25px; }
        .intro-card h1 { font-family: var(--font-heading); font-size: 32px; color: var(--primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .section-title { font-family: var(--font-heading); font-size: 24px; color: var(--primary); margin: 30px 0 20px; display: flex; align-items: center; gap: 10px; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { background: var(--bg-surface); border-radius: 12px; text-decoration: none; transition: transform 0.2s; border: 1px solid var(--border-dark); overflow: hidden; }
        .game-card:hover { transform: translateY(-5px); border-color: var(--primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { color: var(--text-primary); font-size: 15px; text-align: center; padding: 12px; font-family: var(--font-primary); }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 30px; }
        .pay-item { background: var(--bg-surface); padding: 15px 10px; border-radius: 10px; text-align: center; border: 1px solid var(--border-light); display: flex; flex-direction: column; align-items: center; gap: 8px; }
        .pay-item i { color: var(--primary); font-size: 20px; }
        .pay-item span { font-size: 12px; color: var(--text-secondary); }
        .guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 15px; }
        .guide-card { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-light); }
        .guide-card h3 { color: var(--highlight); margin-bottom: 10px; font-size: 18px; }
        .guide-card p { color: var(--text-muted); font-size: 14px; }
        .review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 15px; }
        .review-card { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-light); position: relative; }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { color: var(--primary); font-size: 24px; }
        .review-header span { font-weight: 600; color: var(--text-primary); }
        .stars { color: var(--highlight); font-size: 13px; margin-bottom: 10px; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); }
        .win-record { background: var(--bg-surface); border-radius: 12px; overflow: hidden; margin-bottom: 25px; }
        .win-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 15px; border-bottom: 1px solid var(--border-light); }
        .win-item:last-child { border-bottom: none; }
        .win-info { display: flex; flex-direction: column; gap: 4px; }
        .win-user { font-weight: 600; font-size: 14px; color: var(--text-primary); }
        .win-game { font-size: 12px; color: var(--text-muted); }
        .win-amount { color: var(--success); font-weight: bold; font-size: 15px; }
        .win-time { font-size: 11px; color: var(--text-muted); }
        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .prov-item { background: var(--bg-alt); border: 1px solid var(--border-medium); padding: 15px; border-radius: 8px; text-align: center; color: var(--primary); font-weight: bold; font-size: 14px; }
        .faq-container { margin-bottom: 30px; }
        .faq-item { background: var(--bg-surface); border: 1px solid var(--border-light); border-radius: 8px; margin-bottom: 10px; padding: 15px; }
        .faq-item h3 { color: var(--highlight); font-size: 16px; margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 14px; }
        .safety-box { background: linear-gradient(to right, var(--bg-surface), var(--bg-alt)); border: 1px solid var(--border-light); padding: 20px; border-radius: 12px; text-align: center; }
        .safety-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-bottom: 20px; }
        .safety-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
        .safety-item i { color: var(--success); }
        .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-light); z-index: 2000; }
        .nav-link { text-decoration: none; color: var(--text-muted); display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 12px; font-family: var(--font-primary); }
        .nav-link i { font-size: 20px; }
        footer { background: var(--bg-surface); border-top: 1px solid var(--border-light); padding: 30px 15px; color: var(--text-secondary); font-size: 13px; }
        .footer-contact { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 15px; margin-bottom: 25px; }
        .footer-contact a { color: var(--primary); text-decoration: none; }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 25px; text-align: center; }
        .footer-links a { color: var(--text-muted); text-decoration: none; display: block; padding: 5px 0; }
        .footer-links a:hover { color: var(--primary); }
        .footer-bottom { text-align: center; color: var(--text-muted); font-size: 12px; }
        @media (max-width: 600px) { .payment-grid { grid-template-columns: repeat(2, 1fr); } }