:root {
            --primary: #FFD700;
            --secondary: #B22222;
            --accent: #FFC107;
            --highlight: #00FF00;
            --bg-main: #1A1A1A;
            --bg-surface: #2C2C2C;
            --bg-elevated: #3D3D3D;
            --overlay: rgba(0, 0, 0, 0.8);
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-muted: #808080;
            --text-inverse: #000000;
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
            --border-light: #444444;
            --border-medium: #666666;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
            --font-numeric: '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;
        }
        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--primary);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header .logo-area img { width: 25px; height: 25px; object-fit: cover; }
        header .logo-area strong { font-size: 16px; font-weight: normal; color: var(--primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 5px 15px; cursor: pointer; border-radius: 5px; font-family: var(--font-primary); }
        .btn-register { background: var(--primary); border: 1px solid var(--primary); color: var(--text-inverse); padding: 5px 15px; cursor: pointer; border-radius: 5px; font-family: var(--font-primary); font-weight: 600; }
        main { max-width: 1200px; margin: 0 auto; padding: 20px 15px; }
        .banner-container { width: 100%; margin-bottom: 20px; cursor: pointer; }
        .banner-container img { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: 15px; display: block; }
        .reward-section {
            background: linear-gradient(135deg, var(--secondary), #4a0000);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            margin-bottom: 30px;
            border: 2px solid var(--primary);
        }
        .reward-section h2 { color: var(--primary); font-size: 24px; margin-bottom: 15px; }
        .reward-section p { color: var(--text-primary); margin-bottom: 20px; font-size: 18px; }
        .btn-main-action { background: var(--primary); color: var(--text-inverse); padding: 15px 40px; font-size: 20px; font-weight: bold; border: none; border-radius: 50px; cursor: pointer; transition: transform 0.3s; }
        .btn-main-action:hover { transform: scale(1.05); }
        .intro-card {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--border-medium);
            margin-bottom: 40px;
        }
        .intro-card h1 { color: var(--primary); font-size: 32px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 18px; }
        .section-title { color: var(--primary); font-size: 24px; margin: 30px 0 20px; border-left: 5px solid var(--primary); padding-left: 15px; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { background: var(--bg-surface); border-radius: 15px; overflow: hidden; text-decoration: none; transition: 0.3s; border: 1px solid var(--border-light); }
        .game-card:hover { border-color: var(--primary); transform: translateY(-5px); }
        .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: 30px; }
        .payment-item { background: var(--bg-elevated); padding: 15px; text-align: center; border-radius: 10px; border: 1px solid var(--border-light); }
        .payment-item i { display: block; font-size: 24px; color: var(--primary); margin-bottom: 8px; }
        .payment-item span { font-size: 12px; color: var(--text-secondary); }
        .guideline-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
        .guideline-card { background: var(--bg-surface); padding: 20px; border-radius: 15px; border: 1px solid var(--border-medium); }
        .guideline-card h3 { color: var(--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; }
        .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 { font-size: 30px; color: var(--primary); }
        .review-user { font-weight: bold; color: var(--text-primary); }
        .review-rating { color: var(--primary); font-size: 14px; margin-bottom: 10px; }
        .review-content { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { color: var(--text-muted); font-size: 12px; }
        .lottery-table { width: 100%; border-collapse: collapse; background: var(--bg-surface); border-radius: 15px; overflow: hidden; }
        .lottery-table th, .lottery-table td { padding: 12px; text-align: center; border-bottom: 1px solid var(--border-light); }
        .lottery-table th { background: var(--bg-elevated); color: var(--primary); }
        .lottery-table td { color: var(--text-primary); font-family: var(--font-numeric); }
        .winner-amount { color: var(--highlight); font-weight: bold; }
        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .provider-item { background: var(--bg-elevated); padding: 15px; text-align: center; border-radius: 10px; border: 1px solid var(--primary); font-weight: bold; color: var(--primary); }
        .faq-section { margin-bottom: 30px; }
        .faq-item { background: var(--bg-surface); margin-bottom: 10px; border-radius: 10px; overflow: hidden; }
        .faq-question { padding: 15px; color: var(--primary); font-weight: bold; cursor: pointer; display: flex; justify-content: space-between; }
        .faq-answer { padding: 15px; color: var(--text-secondary); border-top: 1px solid var(--border-light); }
        .security-section { background: var(--bg-surface); padding: 25px; border-radius: 20px; text-align: center; border: 1px solid var(--border-medium); }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; font-size: 30px; color: var(--primary); }
        .security-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 15px; }
        .age-limit { background: var(--secondary); color: white; display: inline-block; padding: 5px 15px; border-radius: 5px; font-weight: bold; }
        .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(--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; color: var(--primary); }
        footer {
            background: var(--bg-surface);
            padding: 40px 20px 100px;
            border-top: 2px solid var(--primary);
            text-align: center;
        }
        .footer-contact { margin-bottom: 30px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 15px; }
        .footer-contact a { color: var(--primary); text-decoration: none; font-size: 14px; }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 30px; text-align: left; }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; display: block; padding: 5px 0; }
        .copyright { color: var(--text-muted); font-size: 13px; border-top: 1px solid var(--border-light); padding-top: 20px; }
        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }