:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF0000;
            --highlight: #FFC107;
            --bg-main: #0B0D17;
            --bg-surface: #1A1D29;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --bg-footer: #05070A;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B3B8;
            --text-muted: #6C727F;
            --text-inverse: #0B0D17;
            --success: #4CAF50;
            --warning: #FF9800;
            --error: #F44336;
            --info: #2196F3;
            --border-default: #2D3142;
            --border-strong: #40445C;
            --border-highlight: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
            --font-accent: 'Roboto', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
        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-section { display: flex; align-items: center; gap: 8px; }
        header .logo-section img { width: 25px; height: 25px; border-radius: 4px; }
        header .logo-section strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 6px 15px; border-radius: 4px; cursor: pointer; font-family: var(--font-primary); font-size: 14px; }
        .btn-register { background: var(--primary); border: none; color: var(--text-inverse); padding: 6px 15px; border-radius: 4px; cursor: pointer; font-family: var(--font-primary); font-size: 14px; font-weight: 600; }
        main { max-width: 1000px; margin: 0 auto; padding: 0 15px 100px; }
        .banner-container { margin-top: 15px; cursor: pointer; }
        .banner-container img { width: 100%; aspect-ratio: 2/1; border-radius: 12px; object-fit: cover; }
        .promo-card { background: linear-gradient(135deg, #1e2235 0%, #2a2f4a 100%); border: 2px solid var(--primary); border-radius: 15px; padding: 25px; text-align: center; margin: 20px 0; }
        .promo-card h2 { color: var(--primary); font-size: 24px; margin-bottom: 15px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-bonus { background: var(--highlight); color: var(--text-inverse); padding: 15px 30px; border-radius: 30px; text-decoration: none; font-weight: bold; font-size: 18px; display: inline-block; border: none; cursor: pointer; box-shadow: 0 4px 15px rgba(255, 193, 7, 0.4); }
        .section-title { font-size: 22px; color: var(--primary); margin: 30px 0 15px; border-left: 4px solid var(--primary); padding-left: 10px; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { background: var(--bg-surface); border-radius: 12px; overflow: hidden; text-decoration: none; border: 1px solid var(--border-default); transition: transform 0.2s; }
        .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 { color: var(--text-primary); font-size: 14px; text-align: center; padding: 10px; margin: 0; }
        .intro-card { background: var(--bg-surface); border: 1px solid var(--border-strong); border-radius: 15px; padding: 25px; margin: 30px 0; text-align: center; }
        .intro-card h1 { color: var(--primary); font-size: 28px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; }
        .article-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
        .article-item { display: flex; gap: 15px; background: var(--bg-surface); border-radius: 12px; overflow: hidden; text-decoration: none; border: 1px solid var(--border-default); }
        .article-item img { width: 100px; height: 100px; object-fit: cover; }
        .article-content { padding: 10px; }
        .article-content h3 { color: var(--text-primary); font-size: 16px; margin-bottom: 5px; }
        .article-content p { color: var(--text-muted); font-size: 13px; }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 20px 0; }
        .payment-item { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: 8px; padding: 10px; text-align: center; font-size: 12px; color: var(--text-secondary); }
        .payment-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 5px; }
        .guidelines-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }
        .guideline-card { background: var(--bg-surface); padding: 15px; border-radius: 12px; border-left: 3px solid var(--primary); }
        .guideline-card h3 { font-size: 16px; color: var(--primary); margin-bottom: 8px; }
        .guideline-card p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }
        .review-card { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-default); }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--primary); }
        .review-header span { font-weight: bold; }
        .review-stars { color: var(--highlight); margin-bottom: 10px; font-size: 14px; }
        .review-content { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); text-align: right; }
        .lottery-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
        .lottery-item { background: linear-gradient(90deg, var(--bg-surface), #252a3d); padding: 12px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; font-size: 14px; border-bottom: 1px solid var(--border-default); }
        .lottery-item .user { color: var(--text-secondary); }
        .lottery-item .game { color: var(--primary); font-weight: bold; }
        .lottery-item .win { color: var(--success); font-weight: bold; }
        .providers-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .provider-box { background: var(--bg-surface); padding: 15px; text-align: center; border-radius: 8px; font-weight: bold; color: var(--primary); border: 1px solid var(--border-default); }
        .faq-section { margin: 30px 0; }
        .faq-item { background: var(--bg-surface); border-radius: 8px; margin-bottom: 10px; overflow: hidden; border: 1px solid var(--border-default); }
        .faq-question { padding: 15px; color: var(--primary); font-weight: bold; cursor: pointer; display: flex; justify-content: space-between; }
        .faq-answer { padding: 15px; border-top: 1px solid var(--border-default); color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
        .navigator { position: fixed; bottom: 0; left: 0; width: 100%; height: 65px; background: var(--bg-surface); display: flex; justify-content: space-around; align-items: center; border-top: 2px solid var(--primary); z-index: 1000; }
        .nav-item { text-decoration: none; color: var(--text-secondary); text-align: center; font-size: 12px; transition: 0.3s; }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 4px; }
        .nav-item:hover { color: var(--primary); }
        footer { background: var(--bg-footer); padding: 30px 15px 100px; border-top: 1px solid var(--border-default); }
        .footer-contact { display: flex; flex-wrap: wrap; gap: 15px; justify-content: center; margin-bottom: 30px; font-size: 14px; }
        .footer-contact a { color: var(--text-secondary); text-decoration: none; }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 30px; }
        .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; }
        .footer-links a:hover { color: var(--primary); }
        .footer-security { text-align: center; padding-top: 20px; border-top: 1px solid var(--border-default); color: var(--text-muted); font-size: 12px; }
        .security-icons { display: flex; justify-content: center; gap: 15px; margin-bottom: 10px; color: var(--secondary); font-size: 20px; }