:root {
            --primary: #FFD700;
            --primary-hover: #E6C200;
            --secondary: #C0C0C0;
            --accent: #FF4D4D;
            --bg-default: #0B0E11;
            --bg-paper: #161A1E;
            --bg-elevated: #1E2329;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --border-default: #2B3139;
            --font-main: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            background-color: var(--bg-default);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            overflow-x: hidden;
            padding-bottom: 70px;
        }

        header {
            background-color: var(--bg-paper);
            border-bottom: 1px solid var(--border-default);
            padding: 10px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        header .brand {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            color: var(--text-primary);
        }

        header img {
            width: 25px;
            height: 25px;
            border-radius: 4px;
        }

        header strong {
            font-size: 16px;
            font-weight: 400;
        }

        header .auth-btns {
            display: flex;
            gap: 10px;
        }

        .btn {
            border: none;
            border-radius: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
        }

        .btn-login {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-register {
            background-color: var(--primary);
            color: #000;
        }

        .btn-register:hover {
            background-color: var(--primary-hover);
        }

        main {
            max-width: 600px;
            margin: 0 auto;
        }

        .banner {
            width: 100%;
            aspect-ratio: 2 / 1;
            cursor: pointer;
            display: block;
        }

        .banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .jackpot-box {
            background: linear-gradient(135deg, #1e2329 0%, #0b0e11 100%);
            margin: 15px;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--primary);
            text-align: center;
            box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
        }

        .jackpot-title {
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .jackpot-amount {
            font-size: 30px;
            font-weight: 800;
            color: #FFFFFF;
            font-family: 'Inter', sans-serif;
        }

        .intro-card {
            background-color: var(--bg-paper);
            margin: 15px;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-default);
        }

        .intro-card h1 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .intro-card p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .section-title {
            font-size: 18px;
            margin: 20px 15px 15px;
            padding-left: 10px;
            border-left: 4px solid var(--primary);
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            padding: 0 15px;
        }

        .game-card {
            background-color: var(--bg-paper);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-default);
            transition: transform 0.2s;
        }

        .game-card:active {
            transform: scale(0.95);
        }

        .game-card img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
            display: block;
        }

        .game-card h3 {
            padding: 10px;
            font-size: 14px;
            color: var(--text-primary);
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 15px;
        }

        .payment-item {
            background-color: var(--bg-elevated);
            padding: 15px 5px;
            border-radius: 8px;
            text-align: center;
            font-size: 12px;
            border: 1px solid var(--border-default);
        }

        .payment-item i {
            display: block;
            font-size: 20px;
            margin-bottom: 5px;
            color: var(--primary);
        }

        .guidelines {
            padding: 15px;
        }

        .guide-item {
            background-color: var(--bg-paper);
            padding: 15px;
            border-radius: 12px;
            margin-bottom: 15px;
            border-left: 4px solid var(--accent);
        }

        .guide-item h2 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--primary);
        }

        .guide-item p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .marquee-container {
            background-color: var(--bg-paper);
            margin: 15px;
            padding: 10px;
            border-radius: 8px;
            overflow: hidden;
            height: 150px;
            border: 1px solid var(--border-default);
        }

        .marquee-content {
            animation: scrollUp 20s linear infinite;
        }

        .marquee-item {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-default);
            display: flex;
            justify-content: space-between;
            font-size: 13px;
        }

        .marquee-item .user { color: var(--primary); }
        .marquee-item .win { color: var(--semantic-success, #00C853); font-weight: bold; }

        @keyframes scrollUp {
            0% { transform: translateY(0); }
            100% { transform: translateY(-100%); }
        }

        .provider-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            padding: 15px;
        }

        .provider-item {
            background-color: var(--bg-elevated);
            padding: 12px;
            text-align: center;
            border-radius: 8px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--border-default);
        }

        .review-container {
            padding: 0 15px;
        }

        .review-card {
            background-color: var(--bg-paper);
            padding: 15px;
            border-radius: 12px;
            margin-bottom: 15px;
            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(--secondary);
        }

        .stars {
            color: #FFAB00;
            font-size: 12px;
        }

        .faq-section {
            padding: 15px;
        }

        .faq-item {
            margin-bottom: 15px;
            background-color: var(--bg-paper);
            border-radius: 8px;
            padding: 15px;
        }

        .faq-item h3 {
            font-size: 15px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .faq-item p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .security-section {
            padding: 20px 15px;
            text-align: center;
            background-color: var(--bg-elevated);
            margin: 20px 0;
        }

        .security-icons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 15px;
            font-size: 24px;
            color: var(--primary);
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--bg-paper);
            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: 20px;
            margin-bottom: 4px;
        }

        .nav-item:active {
            color: var(--primary);
        }

        footer {
            padding: 30px 15px 100px;
            background-color: var(--bg-paper);
            text-align: center;
        }

        .footer-contact {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 20px;
        }

        .footer-contact a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            padding: 8px;
            background-color: var(--bg-elevated);
            border-radius: 4px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 20px;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 13px;
        }

        .copyright {
            font-size: 12px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-default);
            padding-top: 20px;
        }