:root {
            --primary: #FFD700;
            --primary-hover: #E6C200;
            --secondary: #1A1A1A;
            --accent: #FF4500;
            --main-bg: #0B0B0B;
            --surface: #1C1C1C;
            --card-bg: #262626;
            --overlay: rgba(0, 0, 0, 0.8);
            --success: #28A745;
            --error: #DC3545;
            --warning: #FFC107;
            --info: #17A2B8;
            --heading-text: #FFFFFF;
            --body-text: #E0E0E0;
            --muted-text: #A0A0A0;
            --inverse-text: #000000;
            --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(--main-bg); color: var(--body-text); font-family: var(--font-primary); line-height: 1.5; overflow-x: hidden; }
        header { background-color: var(--secondary); 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; border-radius: 50%; }
        header .logo-area strong { font-size: 16px; font-weight: normal; color: var(--primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { background: transparent; color: var(--primary); border: 1px solid var(--primary); padding: 6px 15px; border-radius: 5px; cursor: pointer; font-family: var(--font-primary); transition: 0.3s; }
        .btn-register { background: var(--primary); color: var(--inverse-text); border: none; padding: 6px 15px; border-radius: 5px; cursor: pointer; font-family: var(--font-primary); font-weight: 600; transition: 0.3s; }
        .btn-register:hover { background: var(--primary-hover); }
        main { max-width: 1200px; margin: 0 auto; padding: 20px 15px; }
        .banner-container { width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: 15px; margin-bottom: 25px; cursor: pointer; border: 2px solid var(--border-medium); }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }
        .reward-section { background: linear-gradient(135deg, var(--surface), var(--card-bg)); padding: 30px; border-radius: 20px; text-align: center; margin-bottom: 30px; border: 1px solid var(--border-light); }
        .reward-section h2 { color: var(--primary); font-size: 28px; margin-bottom: 15px; }
        .reward-section p { font-size: 18px; margin-bottom: 20px; color: var(--body-text); }
        .btn-main-reward { background: var(--accent); color: white; padding: 15px 40px; font-size: 20px; border-radius: 50px; border: none; cursor: pointer; font-weight: bold; box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4); transition: 0.3s; }
        .btn-main-reward:hover { transform: scale(1.05); opacity: 0.9; }
        .intro-card { background: var(--card-bg); padding: 30px; border-radius: 20px; border-left: 5px solid var(--primary); margin-bottom: 30px; box-shadow: 0 10px 20px rgba(0,0,0,0.3); }
        .intro-card h1 { color: var(--primary); font-size: 32px; margin-bottom: 15px; }
        .intro-card p { font-size: 18px; color: var(--body-text); line-height: 1.6; }
        .section-title { color: var(--heading-text); font-size: 24px; margin: 40px 0 20px; text-align: center; position: relative; }
        .section-title::after { content: ''; display: block; width: 60px; height: 3px; background: var(--primary); margin: 10px auto; }
        .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); }
        .game-card:hover { transform: translateY(-5px); border-color: var(--primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { color: var(--body-text); font-size: 16px; text-align: center; padding: 12px; font-weight: 500; }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 40px; }
        .payment-item { background: var(--surface); padding: 15px; border-radius: 12px; text-align: center; font-size: 14px; color: var(--muted-text); border: 1px solid var(--border-light); }
        .payment-item i { display: block; font-size: 24px; color: var(--primary); margin-bottom: 8px; }
        .guideline-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 40px; }
        .guideline-item { background: var(--card-bg); padding: 20px; border-radius: 15px; border-bottom: 3px solid var(--primary); }
        .guideline-item h3 { color: var(--primary); margin-bottom: 10px; font-size: 18px; }
        .guideline-item p { font-size: 14px; color: var(--muted-text); }
        .review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 40px; }
        .review-card { background: var(--surface); padding: 20px; border-radius: 15px; position: relative; 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(--primary); }
        .review-user { font-weight: bold; color: var(--heading-text); }
        .review-stars { color: var(--warning); font-size: 14px; }
        .review-text { font-size: 14px; color: var(--body-text); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--muted-text); }
        .lottery-list { background: var(--surface); border-radius: 15px; padding: 15px; border: 1px solid var(--border-light); }
        .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-user { color: var(--body-text); }
        .lottery-game { color: var(--muted-text); }
        .lottery-win { color: var(--primary); font-weight: bold; }
        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 40px; }
        .provider-box { background: var(--card-bg); padding: 15px; text-align: center; border-radius: 10px; font-weight: bold; color: var(--primary); border: 1px solid var(--border-medium); }
        .faq-section { display: grid; gap: 15px; margin-bottom: 40px; }
        .faq-item { background: var(--surface); padding: 20px; border-radius: 15px; border-left: 4px solid var(--primary); }
        .faq-item h3 { font-size: 18px; color: var(--heading-text); margin-bottom: 10px; }
        .faq-item p { font-size: 15px; color: var(--body-text); line-height: 1.6; }
        .security-banner { background: var(--secondary); padding: 25px; border-radius: 20px; text-align: center; border: 1px solid var(--border-strong); margin-bottom: 40px; }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 30px; color: var(--primary); }
        .security-text { font-size: 14px; color: var(--muted-text); }
        .navigator { position: fixed; bottom: 0; left: 0; right: 0; background: var(--secondary); display: flex; justify-content: space-around; padding: 10px 0; border-top: 2px solid var(--primary); z-index: 1000; }
        .nav-item { text-decoration: none; display: flex; flex-direction: column; align-items: center; color: var(--muted-text); font-size: 12px; transition: 0.3s; }
        .nav-item i { font-size: 20px; margin-bottom: 4px; }
        .nav-item:hover { color: var(--primary); }
        footer { background: var(--secondary); padding: 40px 20px 100px; border-top: 1px solid var(--border-medium); color: var(--muted-text); font-size: 14px; }
        .footer-contact { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-bottom: 30px; align-items: center; }
        .footer-contact a { color: var(--primary); text-decoration: none; }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 30px; }
        .footer-links a { color: var(--muted-text); text-decoration: none; display: block; transition: 0.3s; }
        .footer-links a:hover { color: var(--primary); }
        .footer-copy { text-align: center; 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); }
        }