:root {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-accent: #0f172a;
            --brand-primary: #fbbf24;
            --brand-secondary: #d97706;
            --brand-highlight: #fef3c7;
            --success: #22c55e;
            --error: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            --text-primary: #ffffff;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-on-brand: #000000;
            --border-primary: #334155;
            --border-secondary: #475569;
            --border-accent: #fbbf24;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { 
            background-color: var(--bg-primary); 
            color: var(--text-primary); 
            font-family: var(--font-primary); 
            line-height: 1.5;
            padding-bottom: 80px;
        }
        header {
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-primary);
            padding: 12px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-left { display: flex; align-items: center; gap: 10px; }
        .header-left img { width: 25px; height: 25px; border-radius: 4px; }
        .header-left strong { font-size: 16px; font-weight: normal; }
        .header-right { display: flex; gap: 10px; }
        .btn-login { 
            background: transparent; 
            color: var(--text-primary); 
            border: 1px solid var(--brand-primary); 
            padding: 6px 15px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-family: var(--font-primary);
        }
        .btn-register { 
            background: var(--brand-primary); 
            color: var(--text-on-brand); 
            border: none; 
            padding: 6px 15px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-family: var(--font-primary); 
            font-weight: 600;
        }
        main { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .banner-container { margin: 15px 0; cursor: pointer; }
        .banner-img { 
            width: 100%; 
            aspect-ratio: 2/1; 
            object-fit: cover; 
            border-radius: 15px; 
            display: block;
        }
        .reward-card {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
            border: 2px solid var(--brand-primary);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            margin: 20px 0;
        }
        .reward-card h2 { color: var(--brand-primary); margin-bottom: 15px; }
        .reward-card p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-big-reg { 
            background: var(--brand-primary); 
            color: var(--text-on-brand); 
            font-size: 20px; 
            padding: 15px 40px; 
            border-radius: 50px; 
            border: none; 
            font-weight: bold; 
            cursor: pointer;
            transition: transform 0.2s;
        }
        .btn-big-reg:hover { transform: scale(1.05); }
        .intro-card {
            background: var(--bg-secondary);
            border-radius: 20px;
            padding: 25px;
            border-left: 5px solid var(--brand-primary);
            margin: 20px 0;
        }
        .intro-card h1 { font-size: 30px; color: var(--brand-primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .section-title { 
            font-size: 24px; 
            color: var(--brand-primary); 
            margin: 30px 0 20px; 
            text-align: center; 
            border-bottom: 2px solid var(--border-primary); 
            padding-bottom: 10px;
        }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 30px;
        }
        .game-card { 
            background: var(--bg-secondary); 
            border-radius: 15px; 
            overflow: hidden; 
            text-decoration: none; 
            border: 1px solid var(--border-primary);
            transition: 0.3s;
        }
        .game-card:hover { border-color: var(--brand-primary); transform: translateY(-5px); }
        .game-img { 
            width: 100%; 
            aspect-ratio: 1/1; 
            object-fit: cover; 
            display: block; 
        }
        .game-info { padding: 12px; text-align: center; }
        .game-info h3 { color: var(--text-primary); font-size: 16px; font-weight: 500; }
        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin: 20px 0;
        }
        .payment-item { 
            background: var(--bg-secondary); 
            padding: 15px; 
            text-align: center; 
            border-radius: 12px; 
            border: 1px solid var(--border-primary); 
            font-size: 14px;
        }
        .payment-item i { color: var(--brand-primary); display: block; margin-bottom: 8px; font-size: 20px; }
        .guide-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 20px; 
            margin: 20px 0;
        }
        .guide-item { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 15px; 
            border-bottom: 3px solid var(--brand-primary);
        }
        .guide-item h3 { color: var(--brand-primary); margin-bottom: 10px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }
        .review-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            margin: 20px 0;
        }
        .review-card { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-primary);
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { color: var(--brand-primary); font-size: 24px; }
        .review-user { font-weight: 600; color: var(--text-primary); }
        .review-stars { color: var(--brand-primary); font-size: 14px; margin-left: 10px; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { color: var(--text-muted); font-size: 12px; text-align: right; }
        .lottery-list { 
            background: var(--bg-secondary); 
            border-radius: 15px; 
            padding: 20px; 
            margin: 20px 0; 
            border: 1px solid var(--border-primary);
        }
        .lottery-row { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            padding: 10px 0; 
            border-bottom: 1px solid var(--border-primary); 
            font-size: 14px;
        }
        .lottery-row:last-child { border-bottom: none; }
        .win-amount { color: var(--brand-primary); font-weight: bold; }
        .provider-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin: 20px 0;
        }
        .provider-box { 
            background: var(--brand-primary); 
            color: var(--text-on-brand); 
            padding: 15px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            font-size: 14px;
        }
        .faq-section { margin: 30px 0; }
        .faq-item { 
            background: var(--bg-secondary); 
            margin-bottom: 10px; 
            border-radius: 10px; 
            overflow: hidden; 
            border: 1px solid var(--border-primary);
        }
        .faq-question { 
            padding: 15px; 
            background: var(--border-primary); 
            color: var(--brand-primary); 
            font-weight: 600; 
            cursor: pointer;
        }
        .faq-answer { padding: 15px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
        .security-card { 
            background: var(--bg-secondary); 
            border-radius: 20px; 
            padding: 25px; 
            text-align: center; 
            border: 1px dashed var(--brand-primary); 
            margin: 30px 0;
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; font-size: 30px; color: var(--brand-primary); }
        .security-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 15px; }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-secondary); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding: 10px 0; 
            border-top: 1px solid var(--border-primary); 
            z-index: 1000; 
            box-shadow: 0 -2px 10px rgba(0,0,0,0.5);
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--text-secondary); 
            text-align: center; 
            font-size: 12px; 
            flex: 1;
        }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 4px; }
        footer { 
            background-color: var(--bg-secondary); 
            border-top: 1px solid var(--border-primary); 
            padding: 40px 20px; 
            text-align: center; 
            font-family: var(--font-primary);
        }
        .footer-contact { margin-bottom: 30px; }
        .footer-contact h4 { color: var(--brand-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: 14px; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
            text-align: left;
        }
        .footer-links a { 
            color: var(--text-muted); 
            text-decoration: none; 
            font-size: 13px; 
            display: block; 
            padding: 5px 0;
        }
        .copyright { color: var(--text-muted); font-size: 12px; }
        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }