:root {
            --primary: #FFD700; --secondary: #C0C0C0; --accent: #FF4500; --highlight: #FFC107;
            --main-bg: #0B0D17; --sec-bg: #1A1D29; --surface: #242838; --overlay: rgba(0, 0, 0, 0.8);
            --txt-primary: #FFFFFF; --txt-secondary: #B0B3B8; --txt-disabled: #6C728B; --txt-inverse: #0B0D17;
            --success: #28A745; --warning: #FFC107; --error: #DC3545; --info: #17A2B8;
            --border-light: #343A40; --border-medium: #495057; --border-strong: #6C757D;
            --font-primary: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { background-color: var(--main-bg); color: var(--txt-primary); font-family: var(--font-primary); line-height: 1.5; overflow-x: hidden; }
        header { background: var(--sec-bg); padding: 10px 20px; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 1000; border-bottom: 2px solid var(--primary); }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; border-radius: 4px; }
        header strong { font-size: 16px; font-weight: normal; color: var(--primary); }
        header .auth-btns { display: flex; gap: 10px; }
        .btn-login { background: transparent; color: var(--primary); border: 1px solid var(--primary); padding: 6px 15px; cursor: pointer; border-radius: 5px; font-family: var(--font-primary); transition: 0.3s; }
        .btn-reg { background: var(--primary); color: var(--txt-inverse); border: none; padding: 6px 15px; cursor: pointer; border-radius: 5px; font-family: var(--font-primary); font-weight: bold; transition: 0.3s; }
        .btn-login:hover, .btn-reg:hover { opacity: 0.8; transform: translateY(-2px); }
        main { max-width: 1000px; margin: 0 auto; padding: 20px 15px; }
        .banner-wrap { width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: 15px; cursor: pointer; border: 2px solid var(--border-light); }
        .banner-wrap img { width: 100%; height: 100%; object-fit: cover; }
        .reward-section { background: linear-gradient(135deg, var(--surface), var(--sec-bg)); padding: 30px 20px; border-radius: 20px; text-align: center; margin: 20px 0; border: 1px solid var(--highlight); }
        .reward-section h2 { color: var(--primary); margin-bottom: 15px; }
        .reward-section p { color: var(--txt-secondary); margin-bottom: 20px; }
        .btn-big-reg { background: var(--accent); color: white; font-size: 20px; padding: 15px 40px; border: none; border-radius: 50px; cursor: pointer; font-weight: bold; box-shadow: 0 5px 15px rgba(255, 69, 0, 0.4); }
        .intro-card { background: var(--surface); padding: 25px; border-radius: 20px; margin: 20px 0; border-left: 5px solid var(--primary); }
        .intro-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 10px; }
        .intro-card p { color: var(--txt-secondary); font-size: 16px; }
        .section-title { color: var(--primary); margin: 30px 0 20px; font-size: 24px; 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(--primary); }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { background: var(--surface); border-radius: 15px; overflow: hidden; text-decoration: none; transition: 0.3s; border: 1px solid var(--border-light); display: flex; flex-direction: column; }
        .game-card:hover { transform: scale(1.03); border-color: var(--primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 12px; font-size: 16px; color: var(--txt-primary); text-align: center; }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 30px; }
        .payment-item { background: var(--surface); padding: 15px; border-radius: 12px; text-align: center; font-size: 13px; color: var(--txt-secondary); border: 1px solid var(--border-medium); }
        .payment-item i { display: block; font-size: 24px; color: var(--primary); margin-bottom: 8px; }
        .guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
        .guide-card { background: var(--surface); padding: 20px; border-radius: 15px; border-top: 3px solid var(--primary); }
        .guide-card h3 { color: var(--primary); margin-bottom: 10px; }
        .guide-card p { font-size: 14px; color: var(--txt-secondary); }
        .review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
        .review-card { background: var(--surface); padding: 20px; border-radius: 15px; border: 1px solid var(--border-light); }
        .rev-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .rev-header i { font-size: 30px; color: var(--primary); }
        .rev-user { font-weight: bold; color: var(--txt-primary); }
        .rev-stars { color: var(--highlight); font-size: 14px; margin-left: 10px; }
        .rev-date { font-size: 12px; color: var(--txt-disabled); display: block; margin-top: 10px; }
        .lottery-list { background: var(--surface); border-radius: 15px; padding: 15px; }
        .lottery-item { display: flex; justify-content: space-between; padding: 12px; border-bottom: 1px solid var(--border-light); font-size: 14px; }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-item .win-amt { color: var(--primary); font-weight: bold; }
        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .provider-box { background: var(--highlight); color: var(--txt-inverse); padding: 15px; text-align: center; border-radius: 10px; font-weight: bold; font-size: 15px; }
        .faq-section { margin-bottom: 30px; }
        .faq-item { background: var(--surface); margin-bottom: 10px; border-radius: 10px; overflow: hidden; }
        .faq-q { padding: 15px; color: var(--primary); font-weight: bold; cursor: pointer; border-bottom: 1px solid var(--border-light); }
        .faq-a { padding: 15px; color: var(--txt-secondary); font-size: 14px; line-height: 1.8; }
        .security-box { background: var(--sec-bg); padding: 20px; border-radius: 15px; text-align: center; border: 1px dashed var(--primary); }
        .security-box i { font-size: 40px; color: var(--success); margin-bottom: 10px; }
        .security-box p { font-size: 14px; color: var(--txt-secondary); }
        .navigator { position: fixed; bottom: 0; left: 0; right: 0; background: var(--sec-bg); display: flex; justify-content: space-around; padding: 10px 0; border-top: 2px solid var(--primary); z-index: 1001; }
        .nav-item { text-decoration: none; color: var(--txt-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(--sec-bg); padding: 40px 20px 100px; border-top: 1px solid var(--border-medium); }
        .footer-contact { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-bottom: 30px; align-items: center; }
        .footer-contact a { color: var(--txt-secondary); text-decoration: none; font-size: 14px; transition: 0.3s; }
        .footer-contact a:hover { color: var(--primary); }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; text-align: center; margin-bottom: 30px; }
        .footer-links a { color: var(--txt-disabled); text-decoration: none; font-size: 13px; display: block; padding: 5px 0; }
        .footer-links a:hover { color: var(--primary); }
        .footer-copy { text-align: center; font-size: 13px; color: var(--txt-disabled); }
        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }