:root {
            --bg-primary: #0a0c10;
            --bg-secondary: #161b22;
            --bg-tertiary: #21262d;
            --surface: #0d1117;
            --brand-primary: #ffbf00;
            --brand-hover: #e6ac00;
            --brand-secondary: #00a36c;
            --brand-accent: #ffd700;
            --success: #238636;
            --error: #f85149;
            --warning: #d29922;
            --info: #58a6ff;
            --text-primary: #ffffff;
            --text-secondary: #8b949e;
            --text-muted: #6e7681;
            --border-default: #30363d;
            --border-active: #ffbf00;
            --font-main: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-alt: 'Roboto', 'Arial', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            padding-bottom: 70px;
        }
        header {
            background-color: var(--surface);
            border-bottom: 1px solid var(--border-default);
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 15px;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-box { display: flex; align-items: center; gap: 8px; }
        header img { width: 25px; height: 25px; object-fit: contain; }
        header strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        header .actions { display: flex; gap: 10px; }
        .btn {
            padding: 6px 15px;
            border-radius: 6px;
            font-weight: 500;
            cursor: pointer;
            border: none;
            font-size: 0.875rem;
            transition: 0.3s;
        }
        .btn-login { background: transparent; border: 1px solid var(--brand-primary); color: var(--brand-primary); }
        .btn-register { background: var(--brand-primary); color: #000; }
        .btn-register:hover { background: var(--brand-hover); }
        main { max-width: 800px; margin: 0 auto; padding: 10px; }
        .banner {
            width: 100%;
            aspect-ratio: 2/1;
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 20px;
            cursor: pointer;
        }
        .banner img { width: 100%; height: 100%; object-fit: cover; }
        .jackpot-box {
            background: linear-gradient(135deg, #21262d 0%, #0d1117 100%);
            border: 2px solid var(--brand-primary);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            margin-bottom: 20px;
            position: relative;
            overflow: hidden;
        }
        .jackpot-box h2 { font-size: 1.2rem; color: var(--brand-accent); margin-bottom: 10px; }
        .jackpot-amount {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--brand-primary);
            font-family: var(--font-alt);
            display: flex;
            justify-content: center;
            gap: 5px;
        }
        .jackpot-amount span { display: inline-block; animation: countUp 2s ease-out; }
        @keyframes countUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
        .intro-card {
            background: var(--bg-secondary);
            padding: 25px;
            border-radius: 15px;
            margin-bottom: 25px;
            border-left: 4px solid var(--brand-primary);
        }
        .intro-card h1 { font-size: 1.5rem; margin-bottom: 15px; color: var(--brand-primary); }
        .intro-card p { color: var(--text-secondary); font-size: 0.95rem; }
        .section-title { margin: 20px 0 15px; font-size: 1.25rem; display: flex; align-items: center; gap: 10px; }
        .section-title::before { content: ''; width: 4px; height: 20px; background: var(--brand-primary); border-radius: 2px; }
        .game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 25px; }
        .game-card {
            background: var(--bg-tertiary);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            transition: transform 0.2s;
            border: 1px solid var(--border-default);
        }
        .game-card:active { transform: scale(0.97); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 {
            padding: 10px;
            font-size: 0.9rem;
            color: var(--text-primary);
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .payment-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 25px;
        }
        .payment-item {
            background: var(--surface);
            padding: 15px 5px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border-default);
        }
        .payment-item i { font-size: 1.5rem; color: var(--brand-primary); margin-bottom: 8px; }
        .payment-item span { display: block; font-size: 0.75rem; color: var(--text-secondary); }
        .guide-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 25px; }
        .guide-item { background: var(--bg-secondary); padding: 20px; border-radius: 12px; }
        .guide-item h3 { color: var(--brand-accent); margin-bottom: 10px; font-size: 1.1rem; }
        .guide-item p { font-size: 0.9rem; color: var(--text-secondary); }
        .win-record {
            background: var(--surface);
            border-radius: 12px;
            padding: 15px;
            margin-bottom: 25px;
        }
        .win-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-default);
        }
        .win-item:last-child { border-bottom: none; }
        .win-user { font-weight: 500; color: var(--text-primary); }
        .win-game { font-size: 0.85rem; color: var(--text-secondary); }
        .win-amount { color: var(--success); font-weight: 700; font-family: var(--font-alt); }
        .provider-wall { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 25px; }
        .provider-item {
            background: var(--bg-tertiary);
            padding: 12px;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            color: var(--brand-primary);
            border: 1px solid var(--border-default);
        }
        .review-grid { display: flex; flex-direction: column; gap: 15px; margin-bottom: 25px; }
        .review-card { background: var(--bg-secondary); padding: 20px; border-radius: 12px; }
        .review-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
        .review-user { display: flex; align-items: center; gap: 10px; }
        .review-user i { font-size: 1.2rem; color: var(--text-muted); }
        .review-rating { color: var(--brand-primary); font-size: 0.8rem; }
        .review-content { font-size: 0.9rem; color: var(--text-secondary); font-style: italic; }
        .review-date { font-size: 0.75rem; color: var(--text-muted); margin-top: 10px; display: block; }
        .faq-section { margin-bottom: 25px; }
        .faq-item { background: var(--bg-tertiary); border-radius: 8px; margin-bottom: 10px; padding: 15px; }
        .faq-item h3 { font-size: 1rem; color: var(--text-primary); margin-bottom: 8px; }
        .faq-item p { font-size: 0.9rem; color: var(--text-secondary); }
        .security-section {
            background: var(--surface);
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            border: 1px dashed var(--border-default);
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 1.5rem; color: var(--brand-secondary); }
        .security-text { font-size: 0.85rem; color: var(--text-muted); }
        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 65px;
            background: var(--surface);
            border-top: 1px solid var(--border-default);
            display: flex;
            justify-content: space-around;
            align-items: center;
            z-index: 1000;
        }
        .nav-item { text-decoration: none; text-align: center; color: var(--text-secondary); }
        .nav-item i { display: block; font-size: 1.25rem; margin-bottom: 4px; }
        .nav-item span { font-size: 0.7rem; }
        footer {
            background: var(--bg-secondary);
            padding: 30px 15px 100px;
            border-top: 1px solid var(--border-default);
        }
        .footer-contacts { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: 25px; }
        .footer-contacts a { color: var(--brand-primary); text-decoration: none; font-size: 0.9rem; }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 25px; text-align: center; }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; }
        .footer-copyright { text-align: center; font-size: 0.8rem; color: var(--text-muted); padding-top: 20px; border-top: 1px solid var(--border-default); }