:root {
            --primary: #FFD700;
            --secondary: #C5A059;
            --accent: #E6B800;
            --highlight: #FFFFFF;
            --bg-main: #0F1218;
            --bg-surface: #1A1D26;
            --bg-elevated: #242933;
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B3B8;
            --text-muted: #6C727F;
            --on-brand: #000000;
            --border-light: #2D323D;
            --border-medium: #3F4451;
            --border-strong: #FFD700;
        }
        * { 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);
            border-bottom: 1px solid var(--border-light);
            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 img { width: 25px; height: 25px; border-radius: 4px; }
        header strong { font-size: 16px; font-weight: 400; color: var(--primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { 
            background: transparent; color: var(--primary); border: 1px solid var(--primary); 
            padding: 6px 15px; border-radius: 8px; cursor: pointer; font-weight: 500;
        }
        .btn-reg { 
            background: var(--primary); color: var(--on-brand); border: none; 
            padding: 6px 15px; border-radius: 8px; cursor: pointer; font-weight: 600;
        }
        main { padding: 20px 15px; max-width: 1200px; margin: 0 auto; padding-bottom: 100px; }
        .banner-container { 
            width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: 15px; 
            margin-bottom: 25px; cursor: pointer; border: 2px solid var(--border-medium);
        }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }
        .reward-section { 
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface)); 
            padding: 30px 20px; border-radius: 20px; text-align: center; 
            border: 1px solid var(--border-medium); margin-bottom: 25px;
        }
        .reward-section h2 { color: var(--primary); margin-bottom: 15px; font-size: 24px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-huge { 
            background: var(--primary); color: var(--on-brand); padding: 15px 40px; 
            border-radius: 50px; font-size: 20px; font-weight: 700; border: none; 
            cursor: pointer; box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
        }
        .intro-card { 
            background: var(--bg-surface); padding: 25px; border-radius: 20px; 
            border-left: 5px solid var(--primary); margin-bottom: 30px;
        }
        .intro-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .section-title { 
            font-size: 22px; color: var(--primary); margin: 30px 0 20px; 
            display: flex; align-items: center; gap: 10px;
        }
        .game-grid { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; 
        }
        .game-card { 
            background: var(--bg-surface); border-radius: 15px; 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: 15px; text-align: center; color: var(--text-primary); 
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
        }
        .payment-grid { 
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; 
            background: var(--bg-surface); padding: 20px; border-radius: 15px;
        }
        .payment-item { 
            text-align: center; font-size: 13px; color: var(--text-secondary); 
            display: flex; flex-direction: column; align-items: center; gap: 8px;
        }
        .payment-item i { font-size: 24px; color: var(--primary); }
        .guide-grid { 
            display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 30px;
        }
        .guide-item { 
            background: var(--bg-elevated); padding: 15px; border-radius: 12px; 
            border: 1px solid var(--border-light);
        }
        .guide-item h3 { color: var(--primary); font-size: 17px; margin-bottom: 8px; }
        .guide-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: 15px; border-radius: 15px; 
            border: 1px solid var(--border-light);
        }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { color: var(--primary); font-size: 24px; }
        .review-user { font-weight: 600; font-size: 15px; }
        .review-stars { color: var(--warning); font-size: 12px; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); text-align: right; }
        .lottery-list { 
            background: var(--bg-surface); border-radius: 15px; overflow: hidden; 
        }
        .lottery-item { 
            display: grid; grid-template-columns: 1fr 2fr 1fr 1fr; padding: 12px; 
            border-bottom: 1px solid var(--border-light); font-size: 13px;
        }
        .lottery-item:last-child { border-bottom: none; }
        .win-amount { color: var(--primary); font-weight: 700; }
        .provider-wall { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; 
        }
        .provider-block { 
            background: var(--bg-elevated); padding: 15px; text-align: center; 
            border-radius: 10px; font-weight: 600; color: var(--primary); 
            border: 1px solid var(--border-medium);
        }
        .faq-section { 
            display: grid; gap: 15px; margin-bottom: 30px;
        }
        .faq-item { 
            background: var(--bg-surface); padding: 15px; 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); }
        .security-section { 
            background: var(--bg-surface); padding: 20px; border-radius: 15px; 
            text-align: center; border: 1px solid var(--border-light);
        }
        .security-grid { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-top: 15px;
        }
        .security-box { 
            padding: 10px; font-size: 13px; color: var(--text-secondary); 
            border: 1px dashed var(--border-medium); border-radius: 8px;
        }
        .navigator { 
            position: fixed; bottom: 0; left: 0; right: 0; height: 65px; 
            background: var(--bg-surface); border-top: 1px solid var(--border-light); 
            display: grid; grid-template-columns: repeat(5, 1fr); 
            z-index: 2000; padding-bottom: env(safe-area-inset-bottom);
        }
        .nav-item { 
            display: flex; flex-direction: column; align-items: center; 
            justify-content: center; text-decoration: none; color: var(--text-secondary); 
            font-size: 11px; gap: 5px;
        }
        .nav-item i { font-size: 20px; color: var(--primary); }
        footer { 
            background: var(--bg-surface); border-top: 1px solid var(--border-light); 
            padding: 30px 20px; color: var(--text-secondary); font-size: 14px;
        }
        .footer-contact { 
            display: flex; flex-direction: column; align-items: center; 
            gap: 15px; margin-bottom: 25px; text-align: center;
        }
        .contact-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }
        .contact-links a { color: var(--primary); text-decoration: none; }
        .footer-links-grid { 
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; 
            margin-bottom: 25px; text-align: center;
        }
        .footer-links-grid a { 
            color: var(--text-muted); text-decoration: none; font-size: 13px; 
            display: block; padding: 5px 0;
        }
        .copyright { text-align: center; font-size: 12px; color: var(--text-muted); }
        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .guide-grid { grid-template-columns: repeat(3, 1fr); }
            .review-grid { grid-template-columns: repeat(3, 1fr); }
            .provider-wall { grid-template-columns: repeat(4, 1fr); }
            .security-grid { grid-template-columns: repeat(4, 1fr); }
            .lottery-item { grid-template-columns: 1fr 2fr 1fr 1fr; }
        }