:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #FFC107;
            --bg-primary: #0F0F0F;
            --bg-secondary: #1A1A1A;
            --bg-tertiary: #262626;
            --bg-surface: #121212;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #808080;
            --on-brand: #000000;
            --success: #4CAF50;
            --warning: #FFC107;
            --error: #F44336;
            --info: #2196F3;
            --border-light: #333333;
            --border-medium: #4D4D4D;
            --border-strong: #666666;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
            --font-accent: 'Poppins', 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;
            overflow-x: hidden;
        }
        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-area { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; object-fit: cover; }
        header strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        header .auth-btns { display: flex; gap: 10px; }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--primary); padding: 6px 15px; border-radius: 5px; cursor: pointer; font-family: var(--font-primary); }
        .btn-reg { background: var(--primary); color: var(--on-brand); border: none; padding: 6px 15px; border-radius: 5px; cursor: pointer; font-weight: 600; font-family: var(--font-primary); }
        main { max-width: 1200px; margin: 0 auto; padding: 20px; }
        .banner-container { width: 100%; margin-bottom: 30px; cursor: pointer; }
        .banner-container img { width: 100%; aspect-ratio: 2/1; border-radius: 15px; object-fit: cover; }
        .promo-card {
            background: linear-gradient(135deg, #FFD700 0%, #FF8C00 100%);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            color: var(--on-brand);
            margin-bottom: 40px;
        }
        .promo-card h2 { font-size: 32px; margin-bottom: 15px; color: var(--on-brand); }
        .promo-card p { font-size: 18px; margin-bottom: 20px; font-weight: 500; }
        .btn-bonus { background: var(--on-brand); color: var(--primary); padding: 15px 30px; border-radius: 50px; border: none; font-size: 20px; font-weight: bold; cursor: pointer; transition: transform 0.2s; }
        .btn-bonus:hover { transform: scale(1.05); }
        .section-title { font-size: 24px; margin: 30px 0 20px; color: var(--primary); border-left: 4px solid var(--primary); padding-left: 15px; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { background: var(--bg-secondary); border-radius: 12px; 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-tertiary); }
        .game-card h3 { padding: 12px; font-size: 16px; color: var(--text-primary); text-align: center; font-weight: 500; }
        .intro-card {
            background: var(--bg-surface);
            border: 2px solid var(--primary);
            border-radius: 20px;
            padding: 30px;
            margin: 40px 0;
            text-align: center;
        }
        .intro-card h1 { font-size: 40px; color: var(--primary); margin-bottom: 20px; }
        .intro-card p { font-size: 18px; color: var(--text-secondary); max-width: 800px; margin: 0 auto; }
        .article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
        .article-card { background: var(--bg-secondary); border-radius: 15px; overflow: hidden; text-decoration: none; border: 1px solid var(--border-light); }
        .article-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .article-content { padding: 15px; }
        .article-content h3 { color: var(--primary); margin-bottom: 10px; font-size: 18px; }
        .article-content p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
        .payment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 15px; text-align: center; }
        .payment-item { background: var(--bg-tertiary); padding: 20px; border-radius: 12px; border: 1px solid var(--border-medium); }
        .payment-item i { font-size: 30px; color: var(--primary); margin-bottom: 10px; display: block; }
        .payment-item span { color: var(--text-primary); font-size: 14px; font-weight: 500; }
        .guide-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
        .guide-card { background: var(--bg-secondary); padding: 20px; border-radius: 15px; border-left: 4px solid var(--primary); }
        .guide-card h3 { color: var(--primary); margin-bottom: 10px; }
        .guide-card p { color: var(--text-secondary); font-size: 14px; }
        .review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
        .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: 12px; margin-bottom: 15px; }
        .review-header i { font-size: 40px; color: var(--primary); }
        .review-user { font-weight: bold; color: var(--text-primary); }
        .review-stars { color: var(--highlight); font-size: 14px; margin-bottom: 10px; display: block; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 15px; }
        .review-date { font-size: 12px; color: var(--text-muted); }
        .win-record { background: var(--bg-surface); display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; border-bottom: 1px solid var(--border-light); font-size: 14px; }
        .win-record .user { color: var(--text-primary); }
        .win-record .game { color: var(--text-secondary); }
        .win-record .amount { color: var(--primary); font-weight: bold; }
        .win-record .time { color: var(--text-muted); font-size: 12px; }
        .provider-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .provider-item { background: var(--bg-tertiary); padding: 20px; text-align: center; border-radius: 10px; font-weight: bold; color: var(--primary); border: 1px solid var(--border-medium); }
        .faq-section { display: grid; gap: 15px; }
        .faq-item { background: var(--bg-secondary); padding: 20px; border-radius: 15px; }
        .faq-item h3 { color: var(--primary); margin-bottom: 10px; font-size: 18px; }
        .faq-item p { color: var(--text-secondary); font-size: 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: 1px solid var(--border-light);
            z-index: 2000;
        }
        .nav-item { text-decoration: none; color: var(--text-secondary); display: flex; flex-direction: column; align-items: center; font-size: 12px; gap: 5px; }
        .nav-item i { font-size: 20px; color: var(--primary); }
        footer {
            background: var(--bg-surface);
            padding: 40px 20px;
            border-top: 1px solid var(--border-light);
            margin-bottom: 70px;
        }
        .footer-contact { display: flex; justify-content: center; gap: 20px; margin-bottom: 30px; flex-wrap: wrap; }
        .footer-contact a { color: var(--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; display: block; padding: 5px 0; }
        .security-box { 
            text-align: center; 
            border-top: 1px solid var(--border-light); 
            padding-top: 20px; 
            color: var(--text-muted); 
            font-size: 13px; 
        }
        .security-box i { color: var(--success); margin-right: 5px; }
        @media (max-width: 768px) {
            .footer-links { grid-template-columns: repeat(2, 1fr); }
            .intro-card h1 { font-size: 28px; }
        }