:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --bg-main: #0B0E11;
            --bg-surface: #1E2329;
            --bg-elevated: #2B3139;
            --text-primary: #FFFFFF;
            --text-secondary: #B7BDC6;
            --text-muted: #848E9C;
            --text-highlight: #FFD700;
            --success: #0ECB81;
            --error: #F6465D;
            --warning: #F0B90B;
            --info: #3772FF;
            --border-default: #363C44;
            --border-light: #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; 
            overflow-x: hidden;
            padding-bottom: 80px;
        }
        header {
            background-color: var(--bg-surface);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--border-strong);
        }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; }
        header 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; 
            border: none; 
            cursor: pointer; 
            font-family: var(--font-primary); 
            font-weight: 600; 
            transition: 0.3s; 
        }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-light); }
        .btn-register { background: var(--primary); color: var(--bg-main); }
        .btn-main { 
            display: block; 
            width: 100%; 
            max-width: 300px; 
            margin: 20px auto; 
            padding: 15px; 
            text-align: center; 
            background: linear-gradient(45deg, var(--primary), var(--warning)); 
            color: var(--bg-main); 
            font-size: 18px; 
            font-weight: bold; 
            border-radius: 50px; 
            text-decoration: none;
        }
        main { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .hero-banner { 
            width: 100%; 
            aspect-ratio: 2/1; 
            object-fit: cover; 
            border-radius: 15px; 
            margin: 15px 0; 
            cursor: pointer; 
        }
        .reward-section { 
            background: var(--bg-surface); 
            padding: 30px 20px; 
            border-radius: 20px; 
            text-align: center; 
            margin: 20px 0; 
            border: 1px solid var(--border-default); 
        }
        .reward-section h2 { color: var(--primary); margin-bottom: 15px; }
        .intro-card { 
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface)); 
            padding: 40px 25px; 
            border-radius: 20px; 
            text-align: center; 
            border-left: 5px solid var(--primary); 
            margin: 20px 0; 
        }
        .intro-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 15px; }
        .section-title { 
            font-size: 24px; 
            color: var(--text-highlight); 
            margin: 30px 0 20px; 
            text-align: center; 
            position: relative; 
        }
        .section-title::after { 
            content: ''; 
            display: block; 
            width: 50px; 
            height: 3px; 
            background: var(--primary); 
            margin: 10px auto; 
        }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: 15px; 
            overflow: hidden; 
            text-decoration: none; 
            transition: 0.3s; 
            border: 1px solid var(--border-default); 
        }
        .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); 
        }
        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin: 20px 0; 
        }
        .payment-item { 
            background: var(--bg-elevated); 
            padding: 15px 5px; 
            border-radius: 10px; 
            text-align: center; 
            font-size: 12px; 
            color: var(--text-secondary); 
            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: repeat(auto-fit, minmax(300px, 1fr)); 
            gap: 20px; 
            margin: 20px 0; 
        }
        .guide-card { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-default); 
        }
        .guide-card h3 { color: var(--primary); margin-bottom: 10px; }
        .guide-card p { font-size: 14px; color: var(--text-secondary); }
        .comment-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
            gap: 20px; 
            margin: 20px 0; 
        }
        .comment-card { 
            background: var(--bg-elevated); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-light); 
        }
        .comment-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .comment-header i { font-size: 30px; color: var(--secondary); }
        .comment-header div strong { display: block; font-size: 15px; }
        .comment-header div span { font-size: 12px; color: var(--text-muted); }
        .stars { color: var(--warning); margin-bottom: 10px; }
        .comment-body { font-size: 14px; color: var(--text-secondary); }
        .lottery-list { 
            background: var(--bg-surface); 
            border-radius: 15px; 
            overflow: hidden; 
            margin: 20px 0; 
        }
        .lottery-item { 
            display: grid; 
            grid-template-columns: 1fr 1fr 1fr 1fr; 
            padding: 12px 15px; 
            border-bottom: 1px solid var(--border-default); 
            font-size: 13px; 
            text-align: center; 
            align-items: center; 
        }
        .lottery-item:nth-child(odd) { background: var(--bg-elevated); }
        .lottery-item .win-amt { color: var(--success); font-weight: bold; }
        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin: 20px 0; 
        }
        .provider-box { 
            background: linear-gradient(45deg, #2B3139, #1E2329); 
            padding: 20px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            color: var(--primary); 
            border: 1px solid var(--border-light); 
        }
        .faq-section { margin: 30px 0; }
        .faq-item { 
            background: var(--bg-surface); 
            margin-bottom: 15px; 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-default); 
        }
        .faq-item h3 { font-size: 18px; color: var(--text-primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
        .security-section { 
            background: var(--bg-surface); 
            padding: 30px 20px; 
            border-radius: 20px; 
            text-align: center; 
            margin: 30px 0; 
            border: 2px dashed var(--border-light); 
        }
        .security-grid { 
            display: flex; 
            flex-wrap: wrap; 
            justify-content: center; 
            gap: 20px; 
            margin: 20px 0; 
        }
        .security-tag { 
            display: flex; 
            align-items: center; 
            gap: 8px; 
            background: var(--bg-main); 
            padding: 10px 20px; 
            border-radius: 50px; 
            font-size: 13px; 
            color: var(--text-secondary); 
        }
        .security-tag i { color: var(--success); }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            width: 100%; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            padding: 10px 0; 
            border-top: 2px solid var(--primary); 
            z-index: 2000; 
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--text-secondary); 
            text-align: center; 
            font-size: 11px; 
            flex: 1; 
        }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 4px; }
        footer { 
            background: var(--bg-surface); 
            padding: 40px 20px 100px; 
            border-top: 1px solid var(--border-default); 
            text-align: center; 
        }
        .footer-contact { margin-bottom: 30px; }
        .footer-contact p { margin-bottom: 15px; color: var(--text-highlight); font-weight: bold; }
        .footer-contact .contact-links { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }
        .footer-contact a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            text-align: left; 
            max-width: 800px; 
            margin: 0 auto 30px; 
        }
        .footer-links a { 
            color: var(--text-muted); 
            text-decoration: none; 
            font-size: 13px; 
            transition: 0.3s; 
        }
        .footer-links a:hover { color: var(--primary); }
        .copyright { color: var(--text-muted); font-size: 12px; border-top: 1px solid var(--border-default); padding-top: 20px; }
        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(3, 1fr); }
        }