:root {
            --brand-primary: #FFD700;
            --brand-primary-hover: #FFC300;
            --brand-secondary: #1A1A1A;
            --brand-accent: #E61E25;
            --bg-main: #0F0F0F;
            --bg-surface: #1E1E1E;
            --bg-elevated: #2D2D2D;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-disabled: #666666;
            --text-inverse: #000000;
            --semantic-success: #28A745;
            --semantic-warning: #FFC107;
            --semantic-error: #DC3545;
            --semantic-info: #17A2B8;
            --border-default: #333333;
            --border-light: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { 
            background-color: var(--bg-main); 
            color: var(--text-primary); 
            font-family: var(--font-primary); 
            line-height: 1.5; 
            overflow-x: hidden; 
        }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }

        header {
            background-color: var(--bg-surface);
            padding: 10px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-default);
        }
        .logo-area { display: flex; align-items: center; gap: 10px; }
        .logo-area img { width: 25px; height: 25px; border-radius: 50%; }
        .logo-area strong { font-size: 16px; font-weight: normal; }
        .auth-btns { display: flex; gap: 10px; }
        .btn { 
            padding: 8px 16px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-family: var(--font-primary); 
            font-weight: 600; 
            transition: 0.3s; 
            border: none; 
        }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-light); }
        .btn-register { background: var(--brand-primary); color: var(--text-inverse); }
        .btn-register:hover { background: var(--brand-primary-hover); }

        main { padding: 0 0 80px 0; }
        .banner-wrap { width: 100%; cursor: pointer; }
        .banner-wrap img { width: 100%; aspect-ratio: 2/1; object-fit: cover; display: block; }

        .promo-card { 
            margin: 20px 15px; 
            padding: 25px; 
            background: linear-gradient(135deg, #2D2D2D, #1A1A1A); 
            border-radius: 15px; 
            text-align: center; 
            border: 1px solid var(--border-strong);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .promo-card h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-bonus { 
            background: var(--brand-accent); 
            color: white; 
            padding: 15px 30px; 
            font-size: 18px; 
            border-radius: 50px; 
            display: inline-block;
            animation: pulse 2s infinite;
        }

        .section-title { 
            padding: 20px 15px 10px; 
            font-size: 20px; 
            border-left: 4px solid var(--brand-primary); 
            margin-left: 15px; 
        }

        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            padding: 0 15px; 
        }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: 12px; 
            overflow: hidden; 
            border: 1px solid var(--border-default); 
            transition: 0.3s; 
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--brand-primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { 
            padding: 10px; 
            font-size: 14px; 
            text-align: center; 
            color: var(--text-primary); 
            white-space: nowrap; 
            overflow: hidden; 
            text-overflow: ellipsis; 
        }

        .intro-card { 
            margin: 30px 15px; 
            padding: 25px; 
            background: var(--bg-surface); 
            border-radius: 15px; 
            border-top: 3px solid var(--brand-primary); 
        }
        .intro-card h1 { font-size: 28px; color: var(--brand-primary); margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; }

        .article-list { padding: 0 15px; display: grid; grid-template-columns: 1fr; gap: 15px; }
        .article-item { 
            display: flex; 
            gap: 15px; 
            background: var(--bg-surface); 
            padding: 10px; 
            border-radius: 12px; 
            border: 1px solid var(--border-default); 
        }
        .article-item img { width: 100px; height: 80px; border-radius: 8px; object-fit: cover; }
        .article-content h3 { font-size: 16px; margin-bottom: 5px; color: var(--brand-primary); }
        .article-content p { font-size: 13px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            padding: 0 15px; 
        }
        .pay-item { 
            background: var(--bg-surface); 
            padding: 15px 5px; 
            text-align: center; 
            border-radius: 10px; 
            font-size: 12px; 
            border: 1px solid var(--border-default); 
        }
        .pay-item i { display: block; font-size: 20px; color: var(--brand-primary); margin-bottom: 8px; }

        .guidelines { padding: 0 15px; display: grid; grid-template-columns: 1fr; gap: 15px; }
        .guide-card { background: var(--bg-surface); padding: 20px; border-radius: 12px; border-left: 3px solid var(--brand-primary); }
        .guide-card h3 { margin-bottom: 10px; font-size: 18px; color: var(--brand-primary); }
        .guide-card p { font-size: 14px; color: var(--text-secondary); }

        .comment-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            padding: 0 15px; 
        }
        .comment-card { background: var(--bg-surface); padding: 15px; border-radius: 12px; border: 1px solid var(--border-default); }
        .comment-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .comment-header i { font-size: 30px; color: var(--text-disabled); }
        .comment-user { font-weight: bold; font-size: 15px; }
        .comment-stars { color: var(--brand-primary); font-size: 12px; margin-left: auto; }
        .comment-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .comment-date { font-size: 11px; color: var(--text-disabled); }

        .lottery-list { padding: 0 15px; }
        .lottery-item { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            padding: 12px; 
            background: var(--bg-elevated); 
            margin-bottom: 8px; 
            border-radius: 8px; 
            font-size: 13px; 
        }
        .lottery-user { color: var(--text-primary); }
        .lottery-amount { color: var(--brand-primary); font-weight: bold; }
        .lottery-time { color: var(--text-disabled); font-size: 11px; }

        .providers-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            padding: 0 15px; 
        }
        .provider-block { 
            background: var(--bg-elevated); 
            padding: 20px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            border: 1px solid var(--border-default); 
        }

        .faq-section { padding: 0 15px; }
        .faq-item { background: var(--bg-surface); margin-bottom: 10px; border-radius: 10px; overflow: hidden; }
        .faq-question { padding: 15px; font-weight: bold; cursor: pointer; border-bottom: 1px solid var(--border-default); color: var(--brand-primary); }
        .faq-answer { padding: 15px; color: var(--text-secondary); font-size: 14px; }

        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            padding: 10px 0; 
            border-top: 2px solid var(--brand-primary); 
            z-index: 2000; 
        }
        .nav-item { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            font-size: 11px; 
            color: var(--text-secondary); 
            gap: 5px; 
        }
        .nav-item i { font-size: 20px; color: var(--text-primary); }

        footer { 
            background: var(--bg-surface); 
            padding: 30px 15px 100px; 
            border-top: 1px solid var(--border-default); 
        }
        .footer-contact { 
            display: flex; 
            flex-wrap: wrap; 
            justify-content: center; 
            gap: 15px; 
            margin-bottom: 25px; 
            font-size: 14px; 
            text-align: center; 
        }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .footer-links a { font-size: 12px; color: var(--text-secondary); text-align: center; }
        .footer-security { 
            text-align: center; 
            padding-top: 20px; 
            border-top: 1px solid var(--border-default); 
            color: var(--text-disabled); 
            font-size: 12px; 
        }
        .security-icons { 
            display: flex; 
            justify-content: center; 
            gap: 20px; 
            margin-bottom: 15px; 
            font-size: 24px; 
            color: var(--brand-primary); 
        }

        @keyframes pulse { 
            0% { transform: scale(1); } 
            50% { transform: scale(1.05); } 
            100% { transform: scale(1); } 
        }