:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #FFA500;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-overlay: #2C2C2C;
            --grad-start: #1A1A1A;
            --grad-end: #000000;
            --txt-primary: #FFFFFF;
            --txt-secondary: #B3B3B3;
            --txt-muted: #808080;
            --txt-inverse: #000000;
            --success: #28A745;
            --error: #DC3545;
            --warning: #FFC107;
            --info: #17A2B8;
            --border-light: #333333;
            --border-med: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
            --font-accent: 'Poppins', sans-serif;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { 
            background: var(--bg-main); 
            color: var(--txt-primary); 
            font-family: var(--font-primary); 
            line-height: 1.5; 
            overflow-x: hidden; 
        }
        header {
            background: 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-left { display: flex; align-items: center; gap: 10px; }
        .header-left img { width: 25px; height: 25px; border-radius: 50%; }
        .header-left strong { font-size: 16px; font-weight: normal; color: var(--primary); }
        .header-right { display: flex; gap: 10px; }
        .btn-login { 
            background: transparent; 
            color: var(--txt-primary); 
            border: 1px solid var(--primary); 
            padding: 5px 15px; 
            border-radius: 5px; 
            cursor: pointer; 
            font-family: var(--font-primary);
        }
        .btn-reg { 
            background: var(--primary); 
            color: var(--txt-inverse); 
            border: none; 
            padding: 5px 15px; 
            border-radius: 5px; 
            cursor: pointer; 
            font-weight: 600;
            font-family: var(--font-primary);
        }
        main { max-width: 1000px; margin: 0 auto; padding: 20px 15px; }
        .banner-wrap { 
            width: 100%; 
            aspect-ratio: 2/1; 
            overflow: hidden; 
            border-radius: 15px; 
            margin-bottom: 20px;
            cursor: pointer;
        }
        .banner-wrap img { width: 100%; height: 100%; object-fit: cover; }
        .reward-card {
            background: linear-gradient(135deg, var(--accent), #B22222);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            margin-bottom: 30px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .reward-card h2 { font-size: 24px; margin-bottom: 15px; }
        .reward-card p { color: #fff; margin-bottom: 20px; font-size: 16px; }
        .btn-big-reg {
            background: var(--primary);
            color: var(--txt-inverse);
            padding: 15px 40px;
            font-size: 20px;
            font-weight: bold;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: 0.3s;
        }
        .btn-big-reg:hover { transform: scale(1.05); background: var(--highlight); }
        .intro-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-med);
            padding: 25px;
            border-radius: 20px;
            text-align: center;
            margin-bottom: 30px;
        }
        .intro-card h1 { color: var(--primary); font-size: 32px; margin-bottom: 15px; }
        .intro-card p { color: var(--txt-secondary); font-size: 16px; }
        .section-title { 
            font-size: 24px; 
            color: var(--primary); 
            margin: 30px 0 20px; 
            text-align: center; 
            border-left: 5px solid var(--primary); 
            padding-left: 10px;
            text-align: left;
        }
        .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; 
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .game-card:hover { border-color: var(--primary); transform: translateY(-5px); }
        .game-card img { 
            width: 100%; 
            aspect-ratio: 1/1; 
            object-fit: cover; 
            background: var(--bg-overlay);
        }
        .game-card h3 { 
            padding: 12px; 
            font-size: 16px; 
            color: var(--txt-primary); 
            text-align: center; 
            font-weight: 500;
        }
        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .pay-item { 
            background: var(--bg-surface); 
            padding: 15px 5px; 
            text-align: center; 
            border-radius: 10px; 
            border: 1px solid var(--border-light);
            font-size: 12px;
            color: var(--txt-secondary);
        }
        .pay-item i { 
            display: block; 
            color: var(--primary); 
            font-size: 24px; 
            margin-bottom: 8px; 
        }
        .guideline-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 20px; 
            margin-bottom: 30px; 
        }
        .guide-item { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            border-left: 4px solid var(--primary); 
        }
        .guide-item h3 { font-size: 18px; margin-bottom: 10px; color: var(--highlight); }
        .guide-item p { font-size: 14px; color: var(--txt-secondary); }
        .review-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .review-card { 
            background: var(--bg-surface); 
            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: bold; font-size: 15px; }
        .stars { color: var(--warning); font-size: 13px; margin-bottom: 10px; }
        .review-text { font-size: 14px; color: var(--txt-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--txt-muted); text-align: right; }
        .lottery-grid { 
            background: var(--bg-surface); 
            border-radius: 15px; 
            padding: 20px; 
            margin-bottom: 30px; 
            border: 1px solid var(--border-light);
        }
        .lottery-row { 
            display: flex; 
            justify-content: space-between; 
            padding: 10px 0; 
            border-bottom: 1px solid var(--border-light); 
            font-size: 14px; 
        }
        .lottery-row:last-child { border-bottom: none; }
        .win-amount { color: var(--primary); font-weight: bold; }
        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .prov-item { 
            background: var(--bg-overlay); 
            padding: 15px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            color: var(--primary); 
            border: 1px dashed var(--primary);
        }
        .faq-item { 
            background: var(--bg-surface); 
            margin-bottom: 10px; 
            border-radius: 10px; 
            overflow: hidden; 
            border: 1px solid var(--border-light);
        }
        .faq-q { 
            padding: 15px; 
            background: var(--bg-overlay); 
            cursor: pointer; 
            font-weight: 600; 
            font-size: 16px; 
            color: var(--primary); 
        }
        .faq-a { padding: 15px; font-size: 14px; color: var(--txt-secondary); border-top: 1px solid var(--border-light); }
        .security-sec { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: 20px; 
            text-align: center; 
            border: 2px solid var(--border-light);
            margin-bottom: 30px;
        }
        .security-sec i { color: var(--success); font-size: 40px; margin-bottom: 15px; }
        .security-sec h2 { font-size: 20px; margin-bottom: 15px; }
        .security-sec p { font-size: 14px; color: var(--txt-secondary); margin-bottom: 15px; }
        .age-badge { 
            display: inline-block; 
            padding: 5px 15px; 
            border: 2px solid var(--error); 
            color: var(--error); 
            border-radius: 5px; 
            font-weight: bold; 
            margin-bottom: 15px;
        }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding: 10px 0; 
            border-top: 2px solid var(--border-strong); 
            z-index: 2000; 
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--txt-secondary); 
            text-align: center; 
            font-size: 12px; 
            display: flex; 
            flex-direction: column; 
            gap: 5px;
        }
        .nav-item i { font-size: 20px; color: var(--primary); }
        footer { 
            background: var(--bg-surface); 
            padding: 40px 20px 100px; 
            border-top: 1px solid var(--border-light); 
            color: var(--txt-secondary); 
            font-size: 14px; 
        }
        .footer-contact { 
            display: flex; 
            justify-content: center; 
            flex-wrap: wrap; 
            gap: 15px; 
            margin-bottom: 30px; 
            align-items: center; 
        }
        .footer-contact a { color: var(--primary); text-decoration: none; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .footer-links a { 
            color: var(--txt-muted); 
            text-decoration: none; 
            font-size: 13px; 
            display: block; 
            padding: 5px 0;
        }
        .footer-bottom { 
            text-align: center; 
            border-top: 1px solid var(--border-light); 
            padding-top: 20px; 
            color: var(--txt-muted); 
            font-size: 12px; 
        }
        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .guideline-grid { grid-template-columns: repeat(2, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .provider-wall { grid-template-columns: repeat(4, 1fr); }
        }