:root {
            --primary: #D4AF37;
            --primary-hover: #B8860B;
            --secondary: #C0C0C0;
            --secondary-hover: #A9A9A9;
            --accent: #FFD700;
            --bg-main: #0A0A0A;
            --bg-surface: #1A1A1A;
            --bg-elevated: #252525;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --text-primary: #FFFFFF;
            --text-secondary: #E0E0E0;
            --text-muted: #A0A0A0;
            --text-contrast: #000000;
            --text-link: #D4AF37;
            --text-link-hover: #FFD700;
            --btn-bg: #D4AF37;
            --btn-text: #000000;
            --btn-hover-bg: #FFD700;
            --success: #2ECC71;
            --error: #E74C3C;
            --warning: #F1C40F;
            --info: #3498DB;
            --border-default: #333333;
            --border-strong: #444444;
            --border-brand: #D4AF37;
            --font-headings: 'Hind Siliguri', sans-serif;
            --font-body: 'Noto Sans Bengali', sans-serif;
        }
        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font-body);
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-size: clamp(15px, 3.9vw, 16px);
            line-height: 1.65;
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-block: 12px;
            max-width: 1200px;
            margin-inline: auto;
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--bg-main);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            color: var(--text-primary);
        }
        .header-logo strong {
            font-size: 16px;
            font-weight: 400;
        }
        .header-actions {
            display: flex;
            gap: 10px;
        }
        .btn {
            min-height: 44px;
            min-inline-size: 44px;
            padding: 10px 20px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            font-family: var(--font-headings);
            font-weight: 600;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
        }
        .btn-primary { background-color: var(--btn-bg); color: var(--btn-text); }
        .btn-primary:hover { background-color: var(--btn-hover-bg); transform: translateY(-2px); }
        .btn-outline { background-color: transparent; color: var(--text-primary); border: 1px solid var(--border-brand); }
        .btn-outline:hover { background-color: var(--border-brand); color: var(--btn-text); }
        
        main { max-width: 1200px; margin-inline: auto; }
        
        .hero-banner {
            display: block;
            width: 100%;
            aspect-ratio: 2 / 1;
            overflow: hidden;
            border-radius: 0;
            margin-bottom: 20px;
        }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        
        h1 {
            font-family: var(--font-headings);
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin: 20px 0;
            color: var(--primary);
            text-align: center;
        }
        h2 {
            font-family: var(--font-headings);
            font-size: clamp(1.3rem, 5.2vw, 1.8rem);
            line-height: 1.25;
            margin-top: 2rem;
            margin-bottom: 1.2rem;
            border-left: 4px solid var(--primary);
            padding-left: 12px;
            color: var(--text-primary);
        }
        h3 {
            font-family: var(--font-headings);
            font-size: clamp(1.05rem, 4.2vw, 1.25rem);
            line-height: 1.3;
            margin-bottom: 10px;
        }
        
        .hero-intro {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 24px;
            color: var(--text-secondary);
        }
        
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .game-card {
            background-color: var(--bg-surface);
            border-radius: 16px;
            text-decoration: none;
            color: var(--text-primary);
            transition: transform 0.3s, box-shadow 0.3s;
            overflow: hidden;
            border: 1px solid var(--border-default);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover { transform: scale(1.03); box-shadow: 0 10px 20px rgba(0,0,0,0.5); }
        .game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .game-card h3 { padding: 12px; margin: 0; text-align: center; font-size: 1rem; }
        
        .fact-table-container {
            background-color: var(--bg-surface);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 30px;
            border: 1px solid var(--border-strong);
        }
        .fact-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 15px;
        }
        .fact-table td {
            padding: 12px;
            border-bottom: 1px solid var(--border-default);
        }
        .fact-table td:first-child {
            font-weight: 600;
            color: var(--primary);
            width: 40%;
        }
        .freshness-notice {
            font-style: italic;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
            display: block;
        }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 10px;
            padding-bottom: 10px;
            margin-bottom: 30px;
            scrollbar-width: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            white-space: nowrap;
            background-color: var(--bg-elevated);
            color: var(--text-secondary);
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            border: 1px solid var(--border-default);
        }
        .toc-link:hover { background-color: var(--primary); color: var(--btn-text); }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 30px;
        }
        .category-tile {
            background-color: var(--bg-surface);
            padding: 15px;
            border-radius: 16px;
            text-decoration: none;
            color: var(--text-primary);
            text-align: center;
            border: 1px solid var(--border-default);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .category-tile i { font-size: 24px; color: var(--primary); }
        .category-tile span { font-weight: 600; }
        .category-tile p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

        .announcement-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 30px;
        }
        .announcement-card {
            background-color: var(--bg-surface);
            padding: 15px;
            border-radius: 16px;
            display: flex;
            gap: 15px;
            align-items: flex-start;
            border-left: 4px solid var(--primary);
        }
        .announcement-card i { color: var(--primary); margin-top: 4px; }
        .announcement-content h3 { margin: 0 0 8px; font-size: 1.1rem; }
        .announcement-content p { margin: 0 0 8px; font-size: 0.9rem; color: var(--text-secondary); }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); }

        .usp-bar {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 30px;
        }
        .usp-card {
            background-color: var(--bg-surface);
            padding: 20px;
            border-radius: 16px;
            display: flex;
            gap: 15px;
            align-items: center;
            border: 1px solid var(--border-default);
        }
        .usp-card i { font-size: 30px; color: var(--primary); min-width: 40px; text-align: center; }
        .usp-info h3 { margin: 0; font-size: 1.1rem; }
        .usp-info p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }

        .promo-card {
            background-color: var(--bg-surface);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 15px;
            border: 1px solid var(--border-brand);
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .promo-card h3 { color: var(--primary); margin: 0; }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 30px;
        }
        .payment-card {
            background-color: var(--bg-surface);
            padding: 15px;
            border-radius: 16px;
            text-align: center;
            border: 1px solid var(--border-default);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .payment-card i { font-size: 24px; color: var(--secondary); }
        .payment-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

        .step-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 30px;
        }
        .step-item {
            display: flex;
            gap: 15px;
            align-items: flex-start;
            background-color: var(--bg-surface);
            padding: 20px;
            border-radius: 16px;
        }
        .step-number {
            min-width: 36px;
            height: 36px;
            background-color: var(--primary);
            color: var(--btn-text);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .step-item a { text-decoration: none; color: inherit; }

        .provider-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 30px;
        }
        .provider-card {
            background-color: var(--bg-elevated);
            padding: 15px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-default);
        }
        .provider-card h3 { font-size: 1rem; margin-bottom: 5px; }
        .provider-card p { font-size: 0.8rem; margin: 0; color: var(--text-muted); }

        .guide-card {
            background-color: var(--bg-surface);
            padding: 20px;
            border-radius: 16px;
            margin-bottom: 15px;
            border: 1px solid var(--border-default);
        }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; display: block; }

        .vip-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .vip-card {
            background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--border-default);
            text-align: center;
        }
        .vip-card h3 { color: var(--primary); }

        .faq-section {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 30px;
        }
        details {
            background-color: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-default);
        }
        summary {
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        summary::after { content: '▼'; font-size: 0.8rem; color: var(--primary); }
        details[open] summary::after { content: '▲'; }

        .about-box {
            background-color: var(--bg-surface);
            padding: 25px;
            border-radius: 16px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .team-card {
            background-color: var(--bg-elevated);
            padding: 20px;
            border-radius: 12px;
            margin-top: 20px;
            border: 1px dashed var(--primary);
        }

        .security-box {
            background-color: var(--bg-surface);
            padding: 20px;
            border-radius: 16px;
            margin-bottom: 30px;
            border: 1px solid var(--border-strong);
        }
        .rg-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 15px 0;
        }
        .rg-links a {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.9rem;
            border: 1px solid var(--primary);
            padding: 5px 10px;
            border-radius: 5px;
        }

        footer {
            background-color: var(--bg-surface);
            padding: 40px 14px 100px;
            margin-top: 40px;
            border-top: 1px solid var(--border-strong);
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .footer-sitemap a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
        }
        .footer-legal {
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-default);
            padding-top: 20px;
        }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-strong);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom, 0px);
            z-index: 1000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: var(--text-muted);
            font-size: 0.7rem;
            gap: 4px;
        }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--primary); }

        section {
            content-visibility: auto;
            contain-intrinsic-size: 1px 500px;
        }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .category-grid { grid-template-columns: repeat(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .provider-grid { grid-template-columns: repeat(4, 1fr); }
            .vip-grid { grid-template-columns: repeat(4, 1fr); }
            .usp-bar { flex-direction: row; flex-wrap: wrap; }
            .usp-card { flex: 1 1 calc(25% - 15px); }
            .navigator { display: none; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
        }