:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #00FF00;
            --bg-main: #0B0B0B;
            --bg-surface: #1A1A1A;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #757575;
            --text-inverse: #000000;
            --success: #28A745;
            --error: #DC3545;
            --warning: #FFC107;
            --info: #17A2B8;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-main: 'Hind Siliguri', sans-serif;
            --font-sec: 'Roboto', sans-serif;
            --font-accent: 'Poppins', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            overflow-x: hidden;
        }
        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--border-strong);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-logo { display: flex; align-items: center; gap: 10px; }
        .header-logo img { width: 25px; height: 25px; }
        .header-logo strong { font-size: 16px; font-weight: normal; color: var(--primary); }
        .header-btns { display: flex; gap: 10px; }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--primary); padding: 5px 15px; border-radius: 5px; cursor: pointer; font-family: var(--font-main); }
        .btn-reg { background: var(--primary); color: var(--text-inverse); border: none; padding: 5px 15px; border-radius: 5px; cursor: pointer; font-weight: 600; font-family: var(--font-main); }
        main { padding: 0 0 80px 0; }
        .banner-container { width: 100%; aspect-ratio: 2/1; overflow: hidden; cursor: pointer; }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }
        .section-container { padding: 20px; max-width: 1200px; margin: 0 auto; }
        .reward-section { 
            background: linear-gradient(135deg, #1a1a1a 0%, #333 100%); 
            border-radius: 15px; 
            padding: 30px 20px; 
            text-align: center; 
            margin: 20px; 
            border: 1px solid var(--border-medium);
        }
        .reward-section h2 { color: var(--primary); margin-bottom: 15px; font-size: 24px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-big-reg { background: var(--accent); color: white; padding: 15px 30px; border-radius: 30px; border: none; font-size: 18px; font-weight: bold; cursor: pointer; box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4); }
        .intro-card { 
            background: var(--bg-surface); 
            border-radius: 20px; 
            padding: 25px; 
            margin: 20px; 
            border-left: 5px solid var(--primary); 
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .intro-card h1 { color: var(--primary); font-size: 32px; margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .section-title { font-size: 24px; color: var(--primary); margin: 30px 0 20px; text-align: center; position: relative; }
        .section-title::after { content: ''; display: block; width: 50px; height: 3px; background: var(--accent); margin: 10px auto; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: 12px; 
            overflow: hidden; 
            text-decoration: none; 
            border: 1px solid var(--border-light); 
            transition: transform 0.2s; 
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { color: var(--text-primary); font-size: 14px; padding: 10px; text-align: center; }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; text-align: center; }
        .payment-item { background: var(--bg-surface); padding: 15px 5px; border-radius: 10px; font-size: 12px; border: 1px solid var(--border-light); }
        .payment-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 8px; }
        .guideline-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
        .guideline-item { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-medium); }
        .guideline-item h3 { color: var(--primary); margin-bottom: 10px; font-size: 18px; }
        .guideline-item p { color: var(--text-secondary); font-size: 14px; }
        .review-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }
        .review-card { background: var(--bg-surface); padding: 20px; border-radius: 15px; border: 1px solid var(--border-light); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--secondary); }
        .review-user { font-weight: bold; color: var(--text-primary); }
        .review-stars { color: var(--warning); font-size: 12px; margin-left: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); float: right; }
        .review-body { color: var(--text-secondary); font-size: 14px; margin-top: 10px; }
        .lottery-list { background: var(--bg-surface); border-radius: 15px; overflow: hidden; }
        .lottery-item { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            padding: 12px 20px; 
            border-bottom: 1px solid var(--border-light); 
            font-size: 13px;
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-win { color: var(--highlight); font-weight: bold; }
        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .provider-box { 
            background: linear-gradient(45deg, #222, #333); 
            padding: 20px; 
            border-radius: 10px; 
            text-align: center; 
            font-weight: bold; 
            color: var(--primary); 
            border: 1px solid var(--border-medium);
        }
        .faq-section { background: var(--bg-surface); padding: 20px; border-radius: 15px; margin-top: 20px; }
        .faq-item { margin-bottom: 20px; border-bottom: 1px solid var(--border-light); padding-bottom: 15px; }
        .faq-item h3 { color: var(--primary); font-size: 16px; margin-bottom: 8px; }
        .faq-item p { color: var(--text-secondary); font-size: 14px; }
        .security-section { 
            background: #000; 
            padding: 25px 20px; 
            border-radius: 15px; 
            text-align: center; 
            border: 1px dashed var(--primary);
            margin-top: 30px;
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin: 15px 0; font-size: 30px; color: var(--primary); }
        .security-notice { color: var(--text-muted); font-size: 12px; margin-top: 15px; }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding: 12px 0; 
            border-top: 2px solid var(--border-strong); 
            z-index: 2000; 
        }
        .nav-item { text-decoration: none; color: var(--text-secondary); text-align: center; font-size: 12px; display: flex; flex-direction: column; gap: 5px; }
        .nav-item i { font-size: 20px; }
        footer { 
            background-color: var(--bg-surface); 
            border-top: 1px solid var(--border-medium); 
            padding: 30px 20px; 
            color: var(--text-secondary); 
            text-align: center; 
        }
        .footer-contact { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: 25px; align-items: center; }
        .footer-contact a { color: var(--primary); text-decoration: none; font-size: 14px; }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 25px; }
        .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; }
        .footer-copy { font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border-light); padding-top: 20px; }
        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .guideline-grid { grid-template-columns: repeat(3, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
        }