:root {
            --primary: #FFD700;
            --primary-hover: #E6C200;
            --secondary: #00C853;
            --accent: #FF3D00;
            --bg-main: #0D1117;
            --bg-card: #161B22;
            --bg-overlay: #010409;
            --bg-highlight: #21262D;
            --text-primary: #F0F6FC;
            --text-secondary: #8B949E;
            --border-default: #30363D;
            --win: #FFD700;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            line-height: 1.5;
            padding-bottom: 70px;
        }
        header {
            background-color: var(--bg-overlay);
            padding: 12px 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-default);
        }
        .header-brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--primary); }
        .header-brand img { width: 25px; height: 25px; border-radius: 4px; }
        .header-brand strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        .header-auth { display: flex; gap: 10px; }
        .btn {
            padding: 8px 16px;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            font-size: 14px;
            transition: 0.3s;
        }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-default); }
        .btn-register { background: var(--primary); color: var(--bg-main); }
        .banner { width: 100%; aspect-ratio: 2/1; cursor: pointer; display: block; }
        .banner img { width: 100%; height: 100%; object-fit: cover; }
        .jackpot-container {
            margin: 20px 16px;
            padding: 20px;
            background: linear-gradient(135deg, #161B22 0%, #21262D 100%);
            border-radius: 12px;
            text-align: center;
            border: 2px solid var(--primary);
            box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
        }
        .jackpot-label { color: var(--primary); font-size: 14px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
        .jackpot-amount { font-size: 32px; font-weight: 700; color: var(--win); font-family: 'Inter', sans-serif; }
        .intro-card { margin: 20px 16px; padding: 20px; background: var(--bg-card); border-radius: 12px; border: 1px solid var(--border-default); }
        .intro-card h1 { font-size: 24px; color: var(--primary); margin-bottom: 12px; }
        .intro-card p { color: var(--text-secondary); font-size: 14px; }
        .section-title { margin: 24px 16px 16px; font-size: 20px; border-left: 4px solid var(--primary); padding-left: 12px; }
        .game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 0 16px; }
        .game-card { background: var(--bg-card); border-radius: 10px; overflow: hidden; text-decoration: none; color: inherit; transition: 0.3s; border: 1px solid var(--border-default); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { padding: 10px; font-size: 14px; text-align: center; color: var(--text-primary); }
        .payment-section { margin: 24px 16px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
        .payment-item { background: var(--bg-highlight); padding: 12px 5px; border-radius: 8px; text-align: center; font-size: 10px; border: 1px solid var(--border-default); }
        .payment-item i { font-size: 20px; margin-bottom: 6px; display: block; color: var(--primary); }
        .guidelines { padding: 0 16px; display: grid; gap: 16px; }
        .guide-item { background: var(--bg-card); padding: 16px; border-radius: 10px; }
        .guide-item h2 { font-size: 18px; margin-bottom: 8px; color: var(--secondary); }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }
        .lottery-section { margin: 24px 16px; background: var(--bg-overlay); border-radius: 12px; padding: 16px; border: 1px solid var(--border-default); }
        .lottery-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--bg-highlight); font-size: 13px; }
        .lottery-row:last-child { border-bottom: none; }
        .lottery-user { color: var(--primary); }
        .lottery-amount { color: var(--secondary); font-weight: 700; }
        .provider-wall { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 0 16px; }
        .provider-item { background: var(--bg-card); padding: 15px; text-align: center; border-radius: 8px; font-weight: 700; color: var(--primary); border: 1px solid var(--border-default); }
        .reviews { padding: 0 16px; display: flex; flex-direction: column; gap: 16px; }
        .review-card { background: var(--bg-card); padding: 16px; border-radius: 12px; border: 1px solid var(--border-default); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--text-secondary); }
        .review-user { font-weight: 600; font-size: 15px; }
        .review-rating { color: var(--primary); font-size: 12px; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; }
        .review-date { font-size: 11px; color: var(--border-default); }
        .faq-section { padding: 0 16px; margin-bottom: 24px; }
        .faq-item { background: var(--bg-card); margin-bottom: 10px; border-radius: 8px; border: 1px solid var(--border-default); }
        .faq-question { padding: 15px; cursor: pointer; font-weight: 600; font-size: 15px; color: var(--primary); }
        .faq-answer { padding: 0 15px 15px; color: var(--text-secondary); font-size: 14px; }
        .security-section { margin: 24px 16px; padding: 20px; background: var(--bg-card); border-radius: 12px; text-align: center; border-top: 3px solid var(--accent); }
        .security-icons { display: flex; justify-content: center; gap: 15px; margin-bottom: 15px; font-size: 24px; color: var(--secondary); }
        .navigator {
            position: fixed;
            bottom: 0;
            width: 100%;
            background: var(--bg-overlay);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-default);
            z-index: 1000;
        }
        .nav-item { text-decoration: none; color: var(--text-secondary); text-align: center; font-size: 12px; }
        .nav-item i { display: block; font-size: 18px; margin-bottom: 4px; }
        footer { background: var(--bg-overlay); padding: 30px 16px; text-align: center; border-top: 1px solid var(--border-default); }
        .footer-contacts { display: flex; justify-content: center; gap: 15px; margin-bottom: 25px; flex-wrap: wrap; }
        .footer-contacts a { color: var(--text-primary); text-decoration: none; font-size: 14px; padding: 5px 10px; background: var(--bg-highlight); border-radius: 5px; }
        .footer-links { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 15px; margin-bottom: 25px; text-align: left; }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; }
        .footer-copy { font-size: 12px; color: var(--text-secondary); border-top: 1px solid var(--border-default); padding-top: 20px; }