:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #FFD700;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --bg-footer: #050505;
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
            --text-primary: #FFFFFF;
            --text-secondary: #BDBDBD;
            --text-muted: #757575;
            --text-inverse: #000000;
            --border-light: #333333;
            --border-medium: #4D4D4D;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
        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(--border-strong);
            padding: 10px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        header .brand-box { display: flex; align-items: center; gap: 8px; }
        header .brand-box img { width: 25px; height: 25px; border-radius: 4px; }
        header .brand-box strong { font-size: 16px; font-weight: normal; color: var(--primary); }

        header .auth-btns { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 6px 15px; border-radius: 20px; cursor: pointer; font-family: var(--font-primary); font-size: 14px; }
        .btn-reg { background: var(--primary); border: 1px solid var(--primary); color: var(--text-inverse); padding: 6px 15px; border-radius: 20px; cursor: pointer; font-family: var(--font-primary); font-size: 14px; font-weight: 600; }

        main { padding: 0 0 80px 0; max-width: 600px; margin: 0 auto; }

        .hero-banner { width: 100%; aspect-ratio: 2/1; cursor: pointer; display: block; }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }

        .reward-section { background: linear-gradient(45deg, #222, #111); margin: 20px 15px; padding: 25px; border-radius: 15px; text-align: center; border: 1px solid var(--border-medium); }
        .reward-section h2 { color: var(--primary); font-size: 24px; margin-bottom: 15px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-big-reg { background: var(--accent); color: white; padding: 15px 30px; border-radius: 30px; font-size: 18px; font-weight: bold; display: inline-block; border: none; cursor: pointer; box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4); }

        .intro-card { background: var(--bg-surface); margin: 20px 15px; padding: 25px; border-radius: 20px; border: 1px solid var(--border-light); box-shadow: 0 10px 20px rgba(0,0,0,0.5); }
        .intro-card h1 { color: var(--primary); font-size: 30px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; }

        .section-title { padding: 0 15px; margin: 30px 0 15px 0; color: var(--primary); font-size: 22px; border-left: 4px solid var(--primary); padding-left: 12px; }

        .game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; padding: 0 15px; }
        .game-card { background: var(--bg-surface); border-radius: 12px; overflow: hidden; border: 1px solid var(--border-light); transition: 0.3s; }
        .game-card:hover { border-color: var(--primary); transform: translateY(-5px); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 10px; font-size: 14px; text-align: center; color: var(--text-primary); }

        .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; font-size: 12px; color: var(--text-secondary); border: 1px solid var(--border-light); }
        .pay-item i { display: block; color: var(--primary); font-size: 20px; margin-bottom: 8px; }

        .guidelines { padding: 0 15px; margin: 30px 0; }
        .guide-item { background: var(--bg-surface); padding: 15px; border-radius: 12px; margin-bottom: 10px; border-left: 3px 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(--bg-surface); margin: 15px; padding: 20px; border-radius: 15px; border: 1px solid var(--border-light); }
        .rev-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .rev-header i { font-size: 30px; color: var(--primary); }
        .rev-user { font-weight: 600; font-size: 15px; }
        .rev-stars { color: var(--warning); font-size: 13px; }
        .rev-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .rev-date { font-size: 12px; color: var(--text-muted); text-align: right; }

        .lottery-list { padding: 0 15px; }
        .lottery-item { background: var(--bg-surface); display: flex; justify-content: space-between; align-items: center; padding: 12px 15px; border-radius: 10px; margin-bottom: 8px; border: 1px solid var(--border-medium); }
        .lottery-info span { display: block; font-size: 12px; color: var(--text-muted); }
        .lottery-info strong { font-size: 14px; color: var(--text-primary); }
        .lottery-win { color: var(--primary); font-weight: bold; font-size: 16px; }

        .provider-wall { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 0 15px; }
        .provider-item { background: linear-gradient(135deg, #333, #111); padding: 15px; text-align: center; border-radius: 10px; border: 1px solid var(--border-light); color: var(--primary); font-weight: 600; }

        .faq-section { padding: 0 15px; }
        .faq-item { background: var(--bg-surface); margin-bottom: 10px; border-radius: 10px; overflow: hidden; border: 1px solid var(--border-light); }
        .faq-q { padding: 15px; color: var(--primary); font-weight: 600; cursor: pointer; border-bottom: 1px solid var(--border-light); }
        .faq-a { padding: 15px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }

        .security-box { background: #000; margin: 30px 15px; padding: 20px; border-radius: 15px; text-align: center; border: 1px dashed var(--primary); }
        .security-box i { color: var(--success); font-size: 30px; margin-bottom: 10px; }
        .security-box p { font-size: 13px; color: var(--text-muted); }

        .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(--border-strong);
            z-index: 2000;
        }
        .nav-item { text-align: center; color: var(--text-secondary); text-decoration: none; font-size: 12px; }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 4px; color: var(--primary); }

        footer { background-color: var(--bg-footer); padding: 30px 15px 100px 15px; color: var(--text-muted); font-family: var(--font-primary); border-top: 1px solid var(--border-light); }
        footer .contact-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; margin-bottom: 25px; gap: 10px; }
        footer .contact-row span { color: var(--text-primary); font-weight: 600; }
        footer .contact-links { display: flex; gap: 15px; flex-wrap: wrap; }
        footer .contact-links a { font-size: 13px; color: var(--text-secondary); }

        footer .link-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 30px; }
        footer .link-cols a { display: block; font-size: 13px; margin-bottom: 8px; color: var(--text-muted); }
        footer .copy-text { text-align: center; font-size: 12px; border-top: 1px solid var(--border-light); padding-top: 20px; }