:root {
            --brand-primary: #FFD700;
            --brand-secondary: #C5A059;
            --brand-accent: #FF4500;
            --brand-highlight: #FFFFFF;
            --bg-main: #0B0B0B;
            --bg-surface: #1A1A1A;
            --bg-alt: #121212;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-muted: #757575;
            --text-inverse: #000000;
            --border-light: #333333;
            --border-medium: #444444;
            --border-gold: #D4AF37;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
            --font-accent: 'Roboto', sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--border-gold);
            padding: 10px 20px;
            position: sticky;
            top: 0;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-section {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-section img {
            width: 25px;
            height: 25px;
        }

        .logo-section strong {
            font-size: 16px;
            font-weight: normal;
            color: var(--brand-primary);
        }

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

        .btn-auth {
            padding: 8px 16px;
            border-radius: 5px;
            cursor: pointer;
            font-family: var(--font-primary);
            font-weight: 500;
            transition: 0.3s;
            border: none;
        }

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

        .btn-register {
            background-color: var(--brand-accent);
            color: var(--brand-highlight);
        }

        .btn-auth:hover {
            opacity: 0.8;
            transform: translateY(-2px);
        }

        main {
            padding-bottom: 80px;
        }

        .banner-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            cursor: pointer;
        }

        .banner-container img {
            width: 100%;
            aspect-ratio: 2 / 1;
            object-fit: cover;
            border-radius: 0 0 15px 15px;
        }

        .section-container {
            max-width: 1200px;
            margin: 20px auto;
            padding: 0 15px;
        }

        .reward-card {
            background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
            border: 2px solid var(--border-gold);
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            margin: 20px 0;
        }

        .reward-card h2 {
            color: var(--brand-primary);
            margin-bottom: 15px;
            font-size: 28px;
        }

        .reward-card p {
            color: var(--text-secondary);
            margin-bottom: 25px;
        }

        .btn-large {
            background-color: var(--brand-primary);
            color: var(--text-inverse);
            padding: 15px 40px;
            font-size: 20px;
            font-weight: bold;
            border-radius: 50px;
            cursor: pointer;
            border: none;
            transition: 0.3s;
            text-transform: uppercase;
        }

        .btn-large:hover {
            background-color: #fff;
            transform: scale(1.05);
            box-shadow: 0 0 20px var(--brand-primary);
        }

        .intro-card {
            background-color: var(--bg-surface);
            border-left: 5px solid var(--brand-primary);
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }

        .intro-card h1 {
            font-size: 32px;
            color: var(--brand-primary);
            margin-bottom: 10px;
        }

        .intro-card p {
            color: var(--text-secondary);
            font-size: 18px;
        }

        .grid-title {
            font-size: 24px;
            color: var(--brand-primary);
            margin: 30px 0 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-medium);
            padding-bottom: 10px;
        }

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

        .game-card {
            background-color: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            transition: 0.3s;
            border: 1px solid var(--border-light);
        }

        .game-card:hover {
            border-color: var(--brand-primary);
            transform: translateY(-5px);
        }

        .game-card img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
            background-color: var(--bg-alt);
        }

        .game-card h3 {
            padding: 12px;
            font-size: 16px;
            text-align: center;
            color: var(--text-primary);
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin: 20px 0;
        }

        .payment-item {
            background-color: var(--bg-surface);
            padding: 15px;
            text-align: center;
            border-radius: 10px;
            border: 1px solid var(--border-medium);
            color: var(--text-secondary);
            font-size: 14px;
        }

        .payment-item i {
            display: block;
            font-size: 24px;
            color: var(--brand-primary);
            margin-bottom: 8px;
        }

        .article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .article-card {
            background-color: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }

        .article-card:hover {
            border-color: var(--brand-secondary);
        }

        .article-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .article-content {
            padding: 15px;
        }

        .article-content h3 {
            color: var(--brand-primary);
            font-size: 18px;
            margin-bottom: 8px;
        }

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

        .guideline-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 20px 0;
        }

        .guideline-item {
            background-color: var(--bg-alt);
            padding: 20px;
            border-radius: 10px;
            border-top: 3px solid var(--brand-secondary);
        }

        .guideline-item h3 {
            color: var(--brand-primary);
            margin-bottom: 10px;
        }

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

        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .review-card {
            background-color: var(--bg-surface);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-medium);
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

        .review-header i {
            font-size: 30px;
            color: var(--brand-primary);
        }

        .review-user {
            font-weight: bold;
            color: var(--text-primary);
        }

        .star-rating {
            color: var(--warning);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .review-text {
            font-size: 14px;
            color: var(--text-secondary);
            font-style: italic;
        }

        .review-date {
            display: block;
            margin-top: 10px;
            font-size: 12px;
            color: var(--text-muted);
            text-align: right;
        }

        .win-record-table {
            width: 100%;
            border-collapse: collapse;
            background-color: var(--bg-surface);
            border-radius: 10px;
            overflow: hidden;
            margin: 20px 0;
        }

        .win-record-table th, .win-record-table td {
            padding: 12px;
            text-align: center;
            border-bottom: 1px solid var(--border-medium);
        }

        .win-record-table th {
            background-color: var(--bg-alt);
            color: var(--brand-primary);
        }

        .win-amount {
            color: var(--success);
            font-weight: bold;
        }

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

        .provider-item {
            background: linear-gradient(45deg, var(--bg-surface), var(--bg-alt));
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            font-weight: bold;
            color: var(--brand-primary);
            border: 1px solid var(--border-gold);
        }

        .faq-section {
            margin: 30px 0;
        }

        .faq-item {
            background-color: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 8px;
            overflow: hidden;
        }

        .faq-question {
            padding: 15px;
            color: var(--brand-primary);
            font-weight: bold;
            cursor: pointer;
            border-bottom: 1px solid var(--border-medium);
        }

        .faq-answer {
            padding: 15px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }

        .security-section {
            background-color: var(--bg-alt);
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            border: 1px dashed var(--border-gold);
        }

        .security-grid {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .security-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 13px;
        }

        .security-badge i {
            font-size: 30px;
            color: var(--success);
        }

        .age-notice {
            color: var(--error);
            font-weight: bold;
            margin: 15px 0;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: var(--bg-surface);
            border-top: 2px solid var(--border-gold);
            display: flex;
            justify-content: space-around;
            padding: 12px 0;
            z-index: 2000;
        }

        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 12px;
            gap: 5px;
        }

        .nav-item i {
            font-size: 20px;
            color: var(--brand-primary);
        }

        footer {
            background-color: var(--bg-surface);
            padding: 40px 20px 100px;
            border-top: 1px solid var(--border-medium);
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: 0.3s;
        }

        .footer-links a:hover {
            color: var(--brand-primary);
        }

        .copyright {
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
            border-top: 1px solid var(--border-medium);
            padding-top: 20px;
        }

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