:root {
            --bg-primary: #0F172A;
            --bg-secondary: #1E293B;
            --bg-accent: #0F172A;
            --brand-primary: #FFD700;
            --brand-secondary: #C5A000;
            --brand-highlight: #FF4500;
            --success: #10B981;
            --warning: #F59E0B;
            --error: #EF4444;
            --info: #3B82F6;
            --text-main: #FFFFFF;
            --text-muted: #94A3B8;
            --text-contrast: #000000;
            --border-default: #334155;
            --border-strong: #475569;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { background-color: var(--bg-primary); color: var(--text-main); font-family: var(--font-primary); line-height: 1.5; overflow-x: hidden; }
        a { text-decoration: none; color: inherit; }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 20px;
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-default);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-section { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; object-fit: cover; }
        header strong { font-size: 16px; font-weight: normal; }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { background: transparent; color: var(--text-main); border: 1px solid var(--brand-primary); padding: 6px 15px; border-radius: 5px; cursor: pointer; font-family: var(--font-primary); }
        .btn-register { background: var(--brand-primary); color: var(--text-contrast); border: none; padding: 6px 15px; border-radius: 5px; cursor: pointer; font-family: var(--font-primary); font-weight: 500; }

        main { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .banner-container { margin-top: 10px; cursor: pointer; }
        .banner-container img { width: 100%; aspect-ratio: 2/1; border-radius: 12px; object-fit: cover; }

        .reward-card {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-accent));
            border: 2px solid var(--brand-primary);
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            margin: 20px 0;
        }
        .reward-card h2 { color: var(--brand-primary); margin-bottom: 10px; font-size: 24px; }
        .reward-card p { color: var(--text-muted); margin-bottom: 20px; }
        .btn-main { background: var(--brand-highlight); color: white; border: none; padding: 15px 30px; font-size: 18px; font-weight: bold; border-radius: 8px; cursor: pointer; box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4); }

        .intro-card {
            background: var(--bg-secondary);
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 30px;
            border-left: 5px solid var(--brand-primary);
        }
        .intro-card h1 { font-size: 32px; color: var(--brand-primary); margin-bottom: 15px; }
        .intro-card p { font-size: 16px; color: var(--text-muted); line-height: 1.8; }

        .section-title {
            font-size: 24px;
            margin: 30px 0 20px;
            color: var(--text-main);
            border-bottom: 2px solid var(--brand-secondary);
            display: inline-block;
            padding-bottom: 5px;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .game-card {
            background: var(--bg-secondary);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-default);
            transition: transform 0.2s;
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--brand-primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 12px; font-size: 16px; text-align: center; color: var(--text-main); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            gap: 10px;
            margin-bottom: 30px;
        }
        .payment-item {
            background: var(--bg-secondary);
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid var(--border-default);
        }
        .payment-item i { display: block; font-size: 24px; color: var(--brand-primary); margin-bottom: 8px; }
        .payment-item span { font-size: 14px; color: var(--text-muted); }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .guide-item {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-default);
        }
        .guide-item h3 { color: var(--brand-primary); margin-bottom: 10px; font-size: 18px; }
        .guide-item p { font-size: 14px; color: var(--text-muted); }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .review-card {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-strong);
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--brand-primary); }
        .review-header span { font-weight: bold; }
        .stars { color: var(--brand-primary); margin-bottom: 10px; display: block; }
        .review-date { font-size: 12px; color: var(--text-muted); display: block; margin-top: 10px; }

        .win-record {
            background: var(--bg-secondary);
            border-radius: 12px;
            padding: 10px 0;
            margin-bottom: 30px;
            overflow-x: auto;
        }
        .win-item {
            display: grid;
            grid-template-columns: 1fr 2fr 1fr 1fr;
            padding: 12px 20px;
            border-bottom: 1px solid var(--border-default);
            font-size: 14px;
        }
        .win-item:nth-child(even) { background: rgba(255,255,255,0.02); }
        .win-amount { color: var(--brand-primary); font-weight: bold; }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .provider-box {
            background: linear-gradient(45deg, var(--bg-secondary), var(--border-strong));
            padding: 20px;
            text-align: center;
            border-radius: 10px;
            font-weight: bold;
            color: var(--brand-primary);
            border: 1px solid var(--border-default);
        }

        .faq-section { margin-bottom: 30px; }
        .faq-item {
            background: var(--bg-secondary);
            margin-bottom: 10px;
            border-radius: 8px;
            border: 1px solid var(--border-default);
        }
        .faq-question { padding: 15px; font-weight: bold; color: var(--brand-primary); cursor: pointer; }
        .faq-answer { padding: 0 15px 15px; color: var(--text-muted); font-size: 14px; }

        .security-card {
            background: var(--bg-secondary);
            border-radius: 15px;
            padding: 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(--brand-primary); }
        .security-card p { font-size: 14px; color: var(--text-muted); }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-secondary);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 10px 0;
            border-top: 2px solid var(--brand-primary);
            z-index: 2000;
        }
        .nav-item { text-align: center; color: var(--text-muted); font-size: 12px; text-decoration: none; }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 5px; }

        footer {
            background: var(--bg-secondary);
            padding: 40px 20px;
            border-top: 1px solid var(--border-default);
            margin-bottom: 70px;
            text-align: center;
        }
        .footer-contact { margin-bottom: 20px; display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; align-items: center; }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 30px;
            text-align: left;
        }
        .footer-links a { font-size: 13px; color: var(--text-muted); display: block; padding: 5px 0; }
        .copyright { font-size: 13px; color: var(--text-muted); border-top: 1px solid var(--border-default); padding-top: 20px; }

        @media (max-width: 768px) {
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }