:root {
            --primary: #FFD700;
            --primary-hover: #FFC107;
            --secondary: #B22222;
            --accent: #00FFCC;
            --bg-main: #1A1A1A;
            --bg-surface: #2D2D2D;
            --bg-elevated: #3D3D3D;
            --bg-footer: #121212;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #808080;
            --text-inverse: #1A1A1A;
            --success: #4CAF50;
            --warning: #FF9800;
            --error: #F44336;
            --info: #2196F3;
            --border-default: #404040;
            --border-highlight: #FFD700;
            --border-muted: #333333;
            --font-primary: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
            --font-accent: 'Poppins', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { background-color: var(--bg-main); color: var(--text-primary); font-family: var(--font-primary); line-height: 1.5; overflow-x: hidden; }
        header { background-color: var(--bg-surface); height: 60px; display: flex; align-items: center; justify-content: space-between; padding: 0 15px; position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid var(--border-default); }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header .logo-area img { width: 25px; height: 25px; object-fit: contain; }
        header .logo-area strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-auth { padding: 6px 15px; border-radius: 5px; border: none; cursor: pointer; font-family: var(--font-primary); font-weight: 600; transition: 0.3s; }
        .btn-login { background-color: transparent; color: var(--text-primary); border: 1px solid var(--primary); }
        .btn-register { background-color: var(--primary); color: var(--text-inverse); }
        .btn-register:hover { background-color: var(--primary-hover); }
        main { max-width: 1200px; margin: 0 auto; padding: 20px 15px 100px; }
        .hero-banner { width: 100%; aspect-ratio: 2/1; border-radius: 15px; overflow: hidden; cursor: pointer; margin-bottom: 20px; }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        .promo-card { background: linear-gradient(135deg, var(--secondary), #800000); padding: 30px 20px; border-radius: 15px; text-align: center; margin-bottom: 30px; border: 2px solid var(--primary); }
        .promo-card h2 { font-size: 28px; margin-bottom: 15px; color: var(--primary); }
        .promo-card p { font-size: 18px; margin-bottom: 20px; color: #fff; }
        .btn-bonus { background-color: var(--primary); color: var(--text-inverse); padding: 15px 30px; font-size: 20px; font-weight: bold; border-radius: 50px; border: none; cursor: pointer; transition: 0.3s; text-transform: uppercase; }
        .btn-bonus:hover { transform: scale(1.05); background-color: var(--primary-hover); }
        .section-title { font-size: 24px; margin: 30px 0 20px; text-align: center; position: relative; padding-bottom: 10px; }
        .section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: var(--primary); }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 30px; }
        .game-card { background-color: var(--bg-surface); border-radius: 12px; text-decoration: none; color: inherit; transition: 0.3s; border: 1px solid var(--border-muted); overflow: hidden; }
        .game-card:hover { border-color: var(--primary); transform: translateY(-5px); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 10px; font-size: 16px; text-align: center; color: var(--text-primary); }
        .intro-card { background-color: var(--bg-surface); padding: 30px; border-radius: 15px; border-left: 5px solid var(--primary); margin-bottom: 30px; }
        .intro-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 15px; }
        .intro-card p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; }
        .article-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-bottom: 40px; }
        .article-card { background-color: var(--bg-surface); border-radius: 12px; overflow: hidden; text-decoration: none; color: inherit; border: 1px solid var(--border-muted); transition: 0.3s; }
        .article-card:hover { border-color: var(--primary); }
        .article-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .article-card-content { padding: 15px; }
        .article-card-content h3 { font-size: 18px; margin-bottom: 10px; color: var(--primary); }
        .article-card-content p { font-size: 14px; color: var(--text-secondary); }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 40px; }
        .payment-item { background-color: var(--bg-elevated); padding: 15px; border-radius: 10px; text-align: center; font-size: 14px; border: 1px solid var(--border-muted); }
        .payment-item i { display: block; font-size: 24px; margin-bottom: 8px; color: var(--primary); }
        .guidelines-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin-bottom: 40px; }
        .guide-item { background-color: var(--bg-surface); padding: 20px; border-radius: 12px; border-bottom: 3px solid var(--primary); }
        .guide-item h3 { margin-bottom: 10px; color: var(--primary); font-size: 18px; }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 40px; }
        .review-card { background-color: var(--bg-surface); padding: 20px; border-radius: 15px; border: 1px solid var(--border-muted); }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--text-muted); }
        .review-header .username { font-weight: bold; font-size: 16px; }
        .review-rating { color: var(--primary); margin-bottom: 10px; font-size: 14px; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); text-align: right; }
        .win-record { background-color: var(--bg-surface); margin-bottom: 10px; padding: 12px 20px; border-radius: 10px; display: flex; justify-content: space-between; align-items: center; border-left: 4px solid var(--success); }
        .win-user { font-weight: 600; color: var(--text-primary); }
        .win-game { color: var(--text-secondary); font-size: 14px; }
        .win-amount { color: var(--primary); font-weight: bold; }
        .win-time { font-size: 12px; color: var(--text-muted); }
        .provider-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 40px; }
        .provider-item { background-color: var(--bg-elevated); padding: 20px; text-align: center; border-radius: 10px; font-weight: bold; color: var(--primary); border: 1px solid var(--border-muted); }
        .faq-container { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 40px; }
        .faq-item { background-color: var(--bg-surface); padding: 20px; border-radius: 12px; cursor: pointer; border: 1px solid var(--border-muted); }
        .faq-item h3 { font-size: 18px; color: var(--primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
        .navigator { position: fixed; bottom: 0; left: 0; right: 0; background-color: var(--bg-surface); display: flex; justify-content: space-around; align-items: center; height: 65px; z-index: 2000; border-top: 1px solid var(--border-default); box-shadow: 0 -2px 10px rgba(0,0,0,0.5); }
        .nav-item { display: flex; flex-direction: column; align-items: center; text-decoration: none; color: var(--text-secondary); font-size: 12px; gap: 5px; }
        .nav-item i { font-size: 20px; color: var(--primary); }
        footer { background-color: var(--bg-footer); padding: 40px 15px 80px; border-top: 2px solid var(--primary); }
        .footer-contact { text-align: center; margin-bottom: 30px; }
        .footer-contact h2 { font-size: 20px; margin-bottom: 15px; color: var(--primary); }
        .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; transition: 0.3s; }
        .contact-links a:hover { color: var(--primary); }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 30px; text-align: center; }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; transition: 0.3s; }
        .footer-links a:hover { color: var(--primary); }
        .footer-security { text-align: center; padding: 20px; border-top: 1px solid var(--border-muted); color: var(--text-muted); font-size: 13px; }
        .security-badges { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 20px; color: var(--primary); }
        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }