@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@300;400;500;600;700&family=Noto+Sans+Bengali:wght@300;400;500;600;700&display=swap');
        :root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #FFEC8B;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --grad-start: #1C1C1C;
            --grad-end: #000000;
            --success: #00C851;
            --warning: #FFBB33;
            --error: #FF4444;
            --info: #33B5E5;
            --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: 'Noto Sans Bengali', sans-serif;
            --font-fallback: Arial, sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background: linear-gradient(to bottom, var(--grad-start), var(--grad-end));
            color: var(--text-primary);
            font-family: var(--font-primary);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
        header {
            background: 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;
            height: 60px;
        }
        .header-logo { display: flex; align-items: center; gap: 10px; }
        .header-logo img { width: 25px; height: 25px; object-fit: cover; }
        .header-logo strong { font-size: 16px; font-weight: 400; color: var(--primary); }
        .header-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: 1px solid var(--primary); 
            color: var(--text-inverse); 
            padding: 6px 15px; 
            border-radius: 5px; 
            cursor: pointer; 
            font-family: var(--font-primary); 
            font-weight: 600; 
        }
        main { max-width: 600px; margin: 0 auto; padding: 0 15px 100px 15px; }
        .banner-container { width: 100%; margin-bottom: 20px; cursor: pointer; }
        .banner-img { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: 12px; display: block; }
        .reward-card {
            background: linear-gradient(45deg, #2c2c2c, #1a1a1a);
            border: 1px solid var(--border-medium);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            margin-bottom: 25px;
        }
        .reward-card h2 { color: var(--primary); margin-bottom: 10px; font-size: 24px; }
        .reward-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 15px; }
        .btn-cta {
            background: var(--accent);
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 18px;
            font-weight: bold;
            border-radius: 50px;
            cursor: pointer;
            width: 100%;
            box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
        }
        .intro-card {
            background: var(--bg-surface);
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 30px;
            border-left: 4px solid var(--primary);
        }
        .intro-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 10px; }
        .intro-card p { font-size: 16px; color: var(--text-secondary); line-height: 1.6; }
        .section-title { 
            font-size: 22px; 
            color: var(--primary); 
            margin: 30px 0 20px 0; 
            border-bottom: 1px solid var(--border-light); 
            padding-bottom: 10px; 
            text-align: center;
        }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .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; display: block; }
        .game-card h3 { 
            padding: 12px; 
            font-size: 15px; 
            text-align: center; 
            color: var(--text-primary); 
            font-weight: 500; 
        }
        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .pay-item { 
            background: var(--bg-surface); 
            padding: 15px 5px; 
            text-align: center; 
            border-radius: 10px; 
            font-size: 12px; 
            color: var(--text-secondary); 
            border: 1px solid var(--border-light);
        }
        .pay-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 8px; }
        .guideline-grid { display: grid; gap: 15px; margin-bottom: 30px; }
        .guideline-item { 
            background: var(--bg-surface); 
            padding: 15px; 
            border-radius: 12px; 
            border: 1px solid var(--border-light); 
        }
        .guideline-item h3 { color: var(--primary); font-size: 16px; margin-bottom: 8px; }
        .guideline-item p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { display: grid; gap: 15px; margin-bottom: 30px; }
        .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: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--primary); }
        .review-user { font-weight: 600; font-size: 15px; }
        .review-stars { color: #FFD700; font-size: 13px; margin-left: 10px; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); text-align: right; }
        .lottery-grid { display: grid; gap: 10px; margin-bottom: 30px; }
        .lottery-item { 
            background: var(--bg-surface); 
            padding: 12px 15px; 
            border-radius: 10px; 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            border-left: 3px solid var(--success);
            font-size: 14px;
        }
        .lottery-user { color: var(--text-primary); }
        .lottery-game { color: var(--text-muted); font-size: 12px; }
        .lottery-win { color: var(--success); font-weight: bold; }
        .provider-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .provider-box { 
            background: var(--bg-surface); 
            padding: 15px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            color: var(--primary); 
            border: 1px solid var(--border-medium);
            font-size: 14px;
        }
        .faq-section { display: grid; gap: 15px; margin-bottom: 30px; }
        .faq-item { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: 12px; 
            border: 1px solid var(--border-light); 
        }
        .faq-item h3 { font-size: 16px; color: var(--primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
        .security-section { 
            background: var(--bg-surface); 
            padding: 25px; 
            border-radius: 15px; 
            text-align: center; 
            border: 1px solid var(--border-medium);
            margin-bottom: 30px;
        }
        .security-badge { font-size: 40px; color: var(--success); margin-bottom: 15px; }
        .security-section p { font-size: 14px; color: var(--text-secondary); margin-bottom: 15px; }
        .age-notice { color: var(--error); font-weight: bold; font-size: 13px; margin-bottom: 15px; }
        .help-links a { color: var(--primary); text-decoration: none; font-size: 13px; border-bottom: 1px solid; }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-surface); 
            border-top: 2px solid var(--border-strong); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            height: 65px; 
            z-index: 1000; 
            padding: 0 10px;
        }
        .nav-item { 
            text-decoration: none; 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            color: var(--text-secondary); 
            font-size: 11px; 
            gap: 5px; 
        }
        .nav-item i { font-size: 20px; color: var(--primary); }
        footer { 
            background: var(--bg-surface); 
            padding: 40px 20px 100px 20px; 
            border-top: 1px solid var(--border-light); 
            font-family: var(--font-secondary);
        }
        .footer-top { text-align: center; margin-bottom: 30px; }
        .footer-top p { color: var(--text-primary); margin-bottom: 15px; }
        .contact-links { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }
        .contact-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; }
        .footer-cols { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .footer-cols a { 
            color: var(--text-muted); 
            text-decoration: none; 
            font-size: 12px; 
            display: block; 
            padding: 5px 0; 
        }
        .footer-bottom { 
            text-align: center; 
            font-size: 12px; 
            color: var(--text-muted); 
            border-top: 1px solid var(--border-light); 
            padding-top: 20px; 
        }