:root {
            --primary: #FFD700;
            --primary-dark: #B8860B;
            --secondary: #E60000;
            --accent: #00FF41;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-elevated: #2A2A2A;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-disabled: #666666;
            --text-inverse: #000000;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: 'Hind Siliguri', sans-serif;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
        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: 1px solid var(--border-light);
        }
        .header-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-primary); }
        .header-logo img { width: 25px; height: 25px; border-radius: 50%; }
        .header-logo strong { font-size: 16px; font-weight: normal; }
        .header-auth { 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: inherit; }
        .btn-register { background: var(--primary); border: none; color: var(--text-inverse); padding: 6px 15px; border-radius: 5px; cursor: pointer; font-family: inherit; font-weight: 600; }
        main { padding-bottom: 80px; max-width: 1000px; margin: 0 auto; }
        .banner-container { width: 100%; aspect-ratio: 2/1; overflow: hidden; cursor: pointer; }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }
        .reward-section { 
            margin: 20px; 
            background: linear-gradient(135deg, #B8860B 0%, #FFD700 100%); 
            padding: 25px; 
            border-radius: 15px; 
            text-align: center; 
            color: var(--text-inverse); 
        }
        .reward-section h2 { font-size: 24px; margin-bottom: 10px; }
        .reward-section p { margin-bottom: 20px; font-weight: 500; }
        .btn-cta { 
            background: var(--secondary); 
            color: white; 
            padding: 15px 30px; 
            border-radius: 30px; 
            text-decoration: none; 
            font-weight: bold; 
            font-size: 18px; 
            display: inline-block; 
            border: 2px solid white;
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
            cursor: pointer;
        }
        .intro-card { 
            background: var(--bg-surface); 
            margin: 20px; 
            padding: 30px; 
            border-radius: 20px; 
            border: 1px solid var(--border-medium); 
            text-align: center; 
        }
        .intro-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; }
        .section-title { 
            padding: 0 20px; 
            margin: 30px 0 20px; 
            font-size: 24px; 
            border-left: 5px solid var(--primary); 
            padding-left: 15px; 
        }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            padding: 0 20px; 
        }
        .game-card { 
            background: var(--bg-elevated); 
            border-radius: 15px; 
            overflow: hidden; 
            text-decoration: none; 
            border: 1px solid var(--border-light); 
            transition: transform 0.2s; 
        }
        .game-card:hover { transform: translateY(-5px); }
        .game-card img { 
            width: 100%; 
            aspect-ratio: 1/1; 
            object-fit: cover; 
            display: block; 
        }
        .game-card h3 { 
            padding: 12px; 
            font-size: 14px; 
            text-align: center; 
            color: var(--text-primary); 
        }
        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            padding: 0 20px; 
        }
        .payment-item { 
            background: var(--bg-surface); 
            padding: 15px; 
            border-radius: 10px; 
            text-align: center; 
            border: 1px solid var(--border-light); 
        }
        .payment-item i { 
            display: block; 
            font-size: 24px; 
            color: var(--primary); 
            margin-bottom: 8px; 
        }
        .payment-item span { font-size: 12px; color: var(--text-secondary); }
        .guideline-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            padding: 0 20px; 
        }
        .guide-card { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            border-left: 4px solid var(--primary); 
        }
        .guide-card h3 { margin-bottom: 10px; font-size: 18px; color: var(--primary); }
        .guide-card p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            padding: 0 20px; 
        }
        .review-card { 
            background: var(--bg-elevated); 
            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: 30px; color: var(--primary); }
        .review-header span { font-weight: 600; }
        .stars { color: var(--warning); font-size: 12px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-disabled); display: block; margin-top: 10px; }
        .lottery-list { 
            background: var(--bg-surface); 
            margin: 20px; 
            border-radius: 15px; 
            overflow: hidden; 
        }
        .lottery-item { 
            display: grid; 
            grid-template-columns: 1fr 1fr 1fr; 
            padding: 12px 20px; 
            border-bottom: 1px solid var(--border-light); 
            font-size: 13px; 
        }
        .lottery-item:nth-child(even) { background: var(--bg-elevated); }
        .lottery-item .win-amount { color: var(--accent); font-weight: bold; text-align: right; }
        .lottery-item .time { text-align: right; color: var(--text-secondary); }
        .provider-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            padding: 0 20px; 
        }
        .provider-box { 
            padding: 15px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            color: var(--text-inverse); 
            background: var(--primary); 
        }
        .faq-section { padding: 0 20px; }
        .faq-item { 
            background: var(--bg-surface); 
            margin-bottom: 10px; 
            padding: 15px; 
            border-radius: 10px; 
            border: 1px solid var(--border-light); 
        }
        .faq-item h3 { font-size: 16px; margin-bottom: 10px; color: var(--primary); }
        .faq-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
        .security-section { 
            margin: 20px; 
            background: var(--bg-surface); 
            padding: 25px; 
            border-radius: 15px; 
            text-align: center; 
            border: 1px solid var(--border-medium); 
        }
        .security-section i { font-size: 40px; color: var(--accent); margin-bottom: 15px; }
        .security-section p { font-size: 14px; color: var(--text-secondary); margin-bottom: 15px; }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-surface); 
            display: grid; 
            grid-template-columns: repeat(5, 1fr); 
            border-top: 2px solid var(--primary); 
            z-index: 2000; 
        }
        .nav-item { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            justify-content: center; 
            padding: 12px 0; 
            text-decoration: none; 
            color: var(--text-secondary); 
            font-size: 11px; 
            gap: 5px; 
        }
        .nav-item i { font-size: 18px; }
        footer { 
            background: var(--bg-surface); 
            padding: 40px 20px 120px; 
            border-top: 1px solid var(--border-light); 
            color: var(--text-secondary); 
        }
        .footer-contact { 
            display: flex; 
            flex-wrap: wrap; 
            justify-content: center; 
            gap: 20px; 
            margin-bottom: 30px; 
            align-items: center; 
        }
        .footer-contact a { color: var(--text-primary); text-decoration: none; font-size: 14px; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; }
        .footer-copy { text-align: center; font-size: 12px; border-top: 1px solid var(--border-light); padding-top: 20px; }
        @media (min-width: 768px) {
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .provider-grid { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .review-grid { grid-template-columns: repeat(3, 1fr); }
        }