:root {
            --brand-primary: #FFD700;
            --brand-secondary: #C5A059;
            --brand-accent: #E6B800;
            --brand-highlight: #FFFFFF;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-elevated: #252525;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #808080;
            --text-inverse: #000000;
            --sem-success: #28A745;
            --sem-error: #DC3545;
            --sem-warning: #FFC107;
            --sem-info: #17A2B8;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', 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; 
            padding-bottom: 80px;
        }
        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--brand-primary);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-logo { display: flex; align-items: center; gap: 10px; }
        .header-logo img { width: 25px; height: 25px; }
        .header-logo strong { font-size: 16px; font-weight: normal; color: var(--brand-primary); }
        .header-btns { display: flex; gap: 10px; }
        .btn-login, .btn-reg { 
            padding: 8px 16px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-family: var(--font-primary); 
            font-weight: 500; 
            border: none; 
            transition: 0.3s; 
        }
        .btn-login { background: var(--bg-elevated); color: var(--brand-primary); border: 1px solid var(--brand-primary); }
        .btn-reg { background: var(--brand-primary); color: var(--text-inverse); }
        .btn-reg:hover, .btn-login:hover { opacity: 0.8; transform: translateY(-2px); }
        
        main { max-width: 1000px; margin: 0 auto; padding: 20px; }
        .banner-container { margin-bottom: 20px; cursor: pointer; }
        .banner-container img { width: 100%; aspect-ratio: 2/1; border-radius: 15px; object-fit: cover; }
        
        .reward-section { 
            background: linear-gradient(45deg, var(--bg-surface), var(--bg-elevated)); 
            padding: 30px; 
            border-radius: 20px; 
            text-align: center; 
            border: 1px solid var(--brand-secondary); 
            margin-bottom: 30px; 
        }
        .reward-section h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-huge { 
            background: var(--brand-primary); 
            color: var(--text-inverse); 
            padding: 15px 40px; 
            border-radius: 50px; 
            font-size: 20px; 
            font-weight: bold; 
            border: none; 
            cursor: pointer; 
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.4); 
        }

        .intro-card { 
            background: var(--bg-surface); 
            padding: 25px; 
            border-radius: 20px; 
            border-left: 5px solid var(--brand-primary); 
            margin-bottom: 30px; 
        }
        .intro-card h1 { font-size: 32px; color: var(--brand-primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }

        .section-title { color: var(--brand-primary); margin: 30px 0 20px; font-size: 24px; text-align: center; position: relative; }
        .section-title::after { content: ''; display: block; width: 50px; height: 3px; background: var(--brand-primary); margin: 10px auto; }

        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .game-card { 
            background: var(--bg-elevated); 
            border-radius: 15px; 
            overflow: hidden; 
            text-decoration: none; 
            transition: 0.3s; 
            border: 1px solid var(--border-light); 
        }
        .game-card:hover { transform: scale(1.03); border-color: var(--brand-primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { color: var(--text-primary); padding: 12px; font-size: 16px; text-align: center; }

        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); 
            gap: 15px; 
            text-align: center; 
            margin-bottom: 30px; 
        }
        .payment-item { 
            background: var(--bg-surface); 
            padding: 15px; 
            border-radius: 12px; 
            border: 1px solid var(--border-medium); 
            color: var(--text-secondary); 
        }
        .payment-item i { color: var(--brand-primary); font-size: 24px; display: block; margin-bottom: 8px; }
        .payment-item span { font-size: 12px; font-weight: 500; }

        .guideline-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
            gap: 20px; 
            margin-bottom: 30px; 
        }
        .guide-item { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-medium); 
        }
        .guide-item h3 { color: var(--brand-primary); margin-bottom: 10px; font-size: 18px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }

        .review-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .review-card { 
            background: var(--bg-elevated); 
            padding: 20px; 
            border-radius: 15px; 
            position: relative; 
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { color: var(--brand-primary); font-size: 20px; }
        .review-user { font-weight: bold; color: var(--text-primary); }
        .review-stars { color: var(--sem-warning); font-size: 12px; margin-left: 10px; }
        .review-content { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); text-align: right; }

        .lottery-list { 
            background: var(--bg-surface); 
            border-radius: 15px; 
            overflow: hidden; 
            border: 1px solid var(--brand-primary); 
        }
        .lottery-item { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            padding: 12px 20px; 
            border-bottom: 1px solid var(--border-light); 
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-user { font-size: 14px; color: var(--text-secondary); }
        .lottery-game { font-size: 14px; font-weight: 500; color: var(--text-primary); }
        .lottery-win { color: var(--sem-success); font-weight: bold; }
        .lottery-time { font-size: 12px; color: var(--text-muted); }

        .provider-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .provider-item { 
            background: var(--brand-secondary); 
            color: var(--text-inverse); 
            padding: 15px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            font-size: 14px; 
        }

        .faq-section { margin-bottom: 30px; }
        .faq-item { 
            background: var(--bg-surface); 
            margin-bottom: 10px; 
            border-radius: 10px; 
            border: 1px solid var(--border-medium); 
            overflow: hidden; 
        }
        .faq-question { 
            padding: 15px; 
            color: var(--brand-primary); 
            font-weight: bold; 
            cursor: pointer; 
            display: flex; 
            justify-content: space-between; 
        }
        .faq-answer { padding: 15px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; border-top: 1px solid var(--border-light); }

        .security-section { 
            text-align: center; 
            background: var(--bg-elevated); 
            padding: 30px; 
            border-radius: 20px; 
            border: 1px solid var(--border-medium); 
        }
        .security-icons { display: flex; justify-content: center; gap: 30px; margin-bottom: 20px; flex-wrap: wrap; }
        .security-item i { font-size: 30px; color: var(--brand-primary); display: block; margin-bottom: 5px; }
        .security-item span { font-size: 12px; color: var(--text-secondary); }
        .security-notice { font-size: 14px; color: var(--text-muted); margin-top: 15px; }
        .security-links a { color: var(--brand-primary); text-decoration: none; font-size: 14px; margin: 0 10px; }

        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            padding: 12px 0; 
            border-top: 2px solid var(--brand-primary); 
            z-index: 2000; 
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--text-secondary); 
            text-align: center; 
            font-size: 12px; 
            display: flex; 
            flex-direction: column; 
            gap: 5px; 
        }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--brand-primary); }

        footer { 
            background: var(--bg-surface); 
            padding: 40px 20px; 
            border-top: 1px solid var(--border-medium); 
            text-align: center; 
        }
        .footer-contact { margin-bottom: 30px; }
        .footer-contact p { color: var(--text-primary); margin-bottom: 10px; font-weight: bold; }
        .footer-contact-links { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }
        .footer-contact-links a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
        
        .footer-links-grid { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
            text-align: left; 
        }
        .footer-links-grid a { 
            color: var(--text-muted); 
            text-decoration: none; 
            font-size: 13px; 
            display: block; 
            padding: 5px 0; 
        }
        .footer-links-grid a:hover { color: var(--brand-primary); }
        .footer-copy { color: var(--text-muted); font-size: 12px; }

        @media (max-width: 600px) {
            .footer-links-grid { grid-template-columns: repeat(2, 1fr); }
        }