:root {
            --brand-primary: #FFD700;
            --brand-secondary: #C0C0C0;
            --brand-accent: #FF4500;
            --brand-highlight: #00FF00;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-elevated: #2A2A2A;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --text-primary: #FFFFFF;
            --text-secondary: #BDBDBD;
            --text-muted: #757575;
            --text-inverted: #000000;
            --sem-success: #2ECC71;
            --sem-warning: #F1C40F;
            --sem-error: #E74C3C;
            --sem-info: #3498DB;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            line-height: 1.5;
            overflow-x: hidden;
        }
        header {
            background-color: var(--bg-surface);
            border-bottom: 1px solid var(--border-medium);
            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; border-radius: 4px; }
        .header-logo strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        .header-actions { display: flex; gap: 12px; }
        .btn-login { 
            background: transparent; border: 1px solid var(--brand-primary); color: var(--brand-primary); 
            padding: 6px 15px; border-radius: 20px; cursor: pointer; font-family: inherit; transition: 0.3s;
        }
        .btn-register { 
            background: var(--brand-primary); border: none; color: var(--text-inverted); 
            padding: 6px 15px; border-radius: 20px; cursor: pointer; font-family: inherit; font-weight: 600; transition: 0.3s;
        }
        .btn-login:hover, .btn-register:hover { opacity: 0.8; transform: translateY(-2px); }
        main { max-width: 1200px; margin: 0 auto; padding: 20px 15px; }
        .hero-banner { 
            width: 100%; aspect-ratio: 2/1; border-radius: 15px; overflow: hidden; 
            cursor: pointer; margin-bottom: 25px; border: 2px solid var(--border-medium);
        }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        .reward-section { 
            background: linear-gradient(135deg, #2A2A2A, #1A1A1A); 
            border-radius: 20px; padding: 30px; text-align: center; margin-bottom: 30px;
            border: 1px solid var(--border-strong); box-shadow: 0 0 20px rgba(255, 215, 0, 0.1);
        }
        .reward-section h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-cta { 
            background: var(--brand-accent); color: white; padding: 15px 40px; border-radius: 30px; 
            text-decoration: none; font-weight: bold; font-size: 18px; display: inline-block; 
            cursor: pointer; border: none; box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
        }
        .intro-card { 
            background: var(--bg-surface); padding: 30px; border-radius: 20px; 
            margin-bottom: 30px; border-left: 5px solid var(--brand-primary);
        }
        .intro-card h1 { font-size: 32px; color: var(--brand-primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 18px; }
        .section-title { 
            font-size: 24px; color: var(--text-primary); margin: 40px 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(--brand-primary); 
        }
        .game-grid { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 40px; 
        }
        .game-card { 
            background: var(--bg-elevated); border-radius: 15px; overflow: hidden; 
            text-decoration: none; color: inherit; 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; display: block; }
        .game-card h3 { padding: 12px; font-size: 16px; text-align: center; color: var(--text-primary); }
        .payment-grid { 
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 40px; 
        }
        .payment-item { 
            background: var(--bg-surface); padding: 15px; text-align: center; border-radius: 12px; 
            border: 1px solid var(--border-medium); font-size: 14px; color: var(--text-secondary);
        }
        .payment-item i { display: block; color: var(--brand-primary); font-size: 24px; margin-bottom: 8px; }
        .guidelines-grid { 
            display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 40px; 
        }
        .guideline-card { 
            background: var(--bg-surface); padding: 20px; border-radius: 15px; border: 1px solid var(--border-medium);
        }
        .guideline-card h3 { color: var(--brand-primary); margin-bottom: 10px; font-size: 18px; }
        .guideline-card p { color: var(--text-secondary); font-size: 14px; }
        .review-grid { 
            display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 40px; 
        }
        .review-card { 
            background: var(--bg-elevated); padding: 20px; border-radius: 15px; border: 1px solid var(--border-light);
        }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--brand-secondary); }
        .review-user { font-weight: bold; font-size: 16px; }
        .review-stars { color: var(--sem-warning); font-size: 14px; margin-left: 10px; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); }
        .lottery-list { 
            background: var(--bg-surface); border-radius: 15px; padding: 20px; margin-bottom: 40px; 
            border: 1px solid var(--border-medium);
        }
        .lottery-item { 
            display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; padding: 12px 0; 
            border-bottom: 1px solid var(--border-light); font-size: 14px;
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-item .win-amt { color: var(--brand-highlight); font-weight: bold; font-family: 'Oswald', sans-serif; }
        .provider-grid { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 40px; 
        }
        .provider-item { 
            background: var(--bg-elevated); padding: 15px; text-align: center; border-radius: 10px; 
            font-weight: bold; color: var(--brand-primary); border: 1px solid var(--border-light);
        }
        .faq-section { margin-bottom: 40px; }
        .faq-item { 
            background: var(--bg-surface); margin-bottom: 15px; border-radius: 12px; 
            overflow: hidden; border: 1px solid var(--border-medium);
        }
        .faq-question { 
            padding: 15px 20px; color: var(--brand-primary); font-weight: bold; 
            cursor: pointer; background: var(--bg-elevated);
        }
        .faq-answer { padding: 15px 20px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
        .security-section { 
            background: var(--bg-elevated); padding: 30px; border-radius: 20px; text-align: center; 
            border: 1px dashed var(--border-medium); margin-bottom: 40px;
        }
        .security-badges { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; flex-wrap: wrap; }
        .security-badges i { font-size: 40px; color: var(--brand-secondary); }
        .security-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 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: 2px solid var(--brand-primary); 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; transition: 0.3s;
        }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--brand-primary); }
        footer { 
            background: var(--bg-surface); border-top: 1px solid var(--border-medium); 
            padding: 40px 20px 100px; color: var(--text-secondary); text-align: center;
        }
        .footer-contact { margin-bottom: 30px; display: flex; flex-direction: column; align-items: center; gap: 15px; }
        .contact-links { display: flex; gap: 15px; flex-wrap: wrap; justify-content: center; }
        .contact-links a { color: var(--brand-primary); text-decoration: none; font-size: 14px; }
        .footer-links { 
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; 
            text-align: left; margin-bottom: 30px; max-width: 800px; margin-left: auto; margin-right: auto;
        }
        .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; display: block; margin-bottom: 8px; }
        .footer-links a:hover { color: var(--text-primary); }
        .footer-copy { font-size: 13px; color: var(--text-muted); margin-top: 20px; }
        @media (max-width: 768px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }