:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --bg-main: #0B0E11;
            --bg-surface: #1E2329;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --success: #00C853;
            --warning: #FFAB00;
            --error: #FF5252;
            --info: #2196F3;
            --text-primary: #FFFFFF;
            --text-secondary: #B7BDC6;
            --text-disabled: #5E6673;
            --text-highlight: #FFD700;
            --border-light: #2B3139;
            --border-medium: #474D57;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-secondary: 'Roboto', 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;
            padding-bottom: 80px;
        }
        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-area { display: flex; align-items: center; gap: 10px; }
        header .logo-area img { width: 25px; height: 25px; object-fit: contain; }
        header .logo-area strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        header .auth-btns { display: flex; gap: 10px; }
        .btn { 
            padding: 8px 16px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-family: var(--font-primary); 
            font-weight: 600; 
            border: none; 
            transition: 0.3s; 
            text-decoration: none;
            font-size: 14px;
        }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-medium); }
        .btn-register { background: var(--primary); color: var(--bg-main); }
        .btn-primary-lg { 
            display: block; width: 100%; max-width: 400px; margin: 20px auto; 
            padding: 15px; font-size: 18px; background: var(--primary); 
            color: var(--bg-main); text-align: center; font-weight: bold;
        }
        main { max-width: 1200px; margin: 0 auto; padding: 15px; }
        .hero-banner { 
            width: 100%; aspect-ratio: 2/1; border-radius: 15px; 
            overflow: hidden; cursor: pointer; margin-bottom: 20px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.5);
        }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        .reward-section { 
            background: linear-gradient(135deg, #1E2329 0%, #2B3139 100%); 
            padding: 25px; border-radius: 15px; text-align: center; 
            border: 1px solid var(--border-medium); margin-bottom: 20px;
        }
        .reward-section h2 { color: var(--primary); margin-bottom: 15px; }
        .intro-card { 
            background: var(--bg-surface); padding: 30px; border-radius: 15px; 
            border-left: 5px solid var(--primary); margin-bottom: 30px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .intro-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 15px; }
        .section-title { 
            font-size: 24px; color: var(--text-primary); margin: 30px 0 20px; 
            text-align: center; border-bottom: 2px solid var(--border-medium); 
            display: inline-block; width: 100%; padding-bottom: 10px;
        }
        .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; transition: transform 0.2s; border: 1px solid var(--border-light);
        }
        .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 { 
            padding: 12px; font-size: 16px; text-align: center; 
            color: var(--text-primary); font-weight: 500;
        }
        .payment-grid { 
            display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); 
            gap: 15px; text-align: center; margin-bottom: 30px;
        }
        .payment-item { 
            background: var(--bg-surface); padding: 15px; border-radius: 10px; 
            border: 1px solid var(--border-light); color: var(--text-secondary);
        }
        .payment-item i { display: block; font-size: 24px; color: var(--primary); margin-bottom: 8px; }
        .guide-grid { 
            display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; 
        }
        .guide-item { 
            background: var(--bg-surface); padding: 20px; border-radius: 15px; 
            border: 1px solid var(--border-light);
        }
        .guide-item h3 { color: var(--primary); margin-bottom: 10px; }
        .comment-grid { 
            display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; 
        }
        .comment-card { 
            background: var(--bg-surface); padding: 20px; border-radius: 15px; 
            border: 1px solid var(--border-light); position: relative;
        }
        .user-info { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .user-info i { font-size: 30px; color: var(--secondary); }
        .user-info .name { font-weight: bold; color: var(--text-primary); }
        .stars { color: var(--primary); margin-bottom: 10px; }
        .comment-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .comment-date { font-size: 12px; color: var(--text-disabled); }
        .lottery-list { 
            background: var(--bg-surface); border-radius: 15px; overflow: hidden; 
            border: 1px solid var(--border-medium);
        }
        .lottery-item { 
            display: grid; grid-template-columns: 1fr 2fr 1fr 1fr; padding: 12px; 
            border-bottom: 1px solid var(--border-light); font-size: 14px;
            text-align: center; align-items: center;
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-header { background: var(--border-medium); font-weight: bold; color: var(--primary); }
        .provider-wall { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; 
        }
        .provider-item { 
            background: var(--bg-surface); padding: 15px; text-align: center; 
            border-radius: 8px; border: 1px solid var(--border-light); 
            font-weight: bold; color: var(--primary);
        }
        .faq-section { margin-bottom: 30px; }
        .faq-item { 
            background: var(--bg-surface); padding: 20px; border-radius: 12px; 
            margin-bottom: 15px; border: 1px solid var(--border-light);
        }
        .faq-item h3 { font-size: 18px; color: var(--primary); margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 15px; }
        .security-section { 
            background: #161B22; padding: 25px; border-radius: 15px; 
            text-align: center; border: 2px dashed var(--border-medium);
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 30px; 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; 
            padding: 12px 0; border-top: 2px solid var(--border-strong); z-index: 1000;
        }
        .nav-link { 
            text-decoration: none; color: var(--text-secondary); 
            display: flex; flex-direction: column; align-items: center; font-size: 12px; gap: 5px;
        }
        .nav-link i { font-size: 20px; }
        footer { 
            background: var(--bg-surface); padding: 40px 20px; color: var(--text-secondary); 
            text-align: center; border-top: 1px solid var(--border-light);
        }
        .footer-contact { margin-bottom: 30px; display: flex; justify-content: center; flex-wrap: wrap; gap: 15px; 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; 
            max-width: 800px; margin: 0 auto 30px; text-align: left;
        }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; transition: 0.2s; }
        .footer-links a:hover { color: var(--primary); }
        .copyright { font-size: 13px; color: var(--text-disabled); }
        @media (max-width: 600px) {
            .footer-links { grid-template-columns: repeat(2, 1fr); }
            .lottery-item { font-size: 12px; }
        }