:root {
            --brand-primary: #FFD700;
            --brand-secondary: #C0C0C0;
            --brand-accent: #FF4500;
            --brand-highlight: #FFCC00;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --bg-gradient-start: #1A1A1A;
            --bg-gradient-end: #000000;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #666666;
            --text-inverse: #000000;
            --success: #28A745;
            --error: #DC3545;
            --warning: #FFC107;
            --info: #17A2B8;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: 'Hind Siliguri', sans-serif;
            line-height: 1.5;
            overflow-x: hidden;
        }
        header {
            background: var(--bg-surface);
            border-bottom: 2px solid var(--border-strong);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .logo-area { display: flex; align-items: center; gap: 8px; }
        .logo-area img { width: 25px; height: 25px; }
        .logo-area strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        .auth-buttons { display: flex; gap: 10px; }
        .btn-login { 
            background: transparent; color: var(--text-primary); 
            border: 1px solid var(--border-medium); padding: 6px 15px; 
            border-radius: 5px; cursor: pointer; font-family: 'Poppins', sans-serif;
        }
        .btn-register { 
            background: var(--brand-accent); color: #fff; 
            border: none; padding: 6px 15px; border-radius: 5px; 
            cursor: pointer; font-weight: bold; font-family: 'Poppins', sans-serif;
        }
        main { padding-bottom: 80px; }
        .main-banner { 
            width: 100%; aspect-ratio: 2/1; 
            cursor: pointer; object-fit: cover; 
            display: block;
        }
        .reward-section {
            background: linear-gradient(45deg, var(--bg-gradient-start), var(--brand-accent));
            padding: 30px 20px; text-align: center;
            margin: 20px 0; border-radius: 0 0 20px 20px;
        }
        .reward-section h2 { font-size: 24px; margin-bottom: 15px; }
        .btn-big-reward {
            background: var(--brand-primary); color: var(--text-inverse);
            padding: 15px 30px; font-size: 20px; font-weight: bold;
            border: none; border-radius: 50px; cursor: pointer;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
        }
        .intro-card {
            background: var(--bg-surface); margin: 20px;
            padding: 25px; border-radius: 15px;
            border: 1px solid var(--border-light);
            text-align: center;
        }
        .intro-card h1 { color: var(--brand-primary); font-size: 32px; margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .section-title { 
            text-align: center; font-size: 24px; color: var(--brand-primary); 
            margin: 30px 0 20px; padding: 0 10px;
        }
        .game-grid {
            display: grid; grid-template-columns: repeat(2, 1fr);
            gap: 15px; padding: 0 15px;
        }
        .game-card {
            background: var(--bg-surface); border-radius: 12px;
            overflow: hidden; text-decoration: none;
            border: 1px solid var(--border-medium);
            transition: transform 0.2s;
        }
        .game-card:active { transform: scale(0.95); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { 
            padding: 10px; font-size: 14px; text-align: center; 
            color: var(--text-primary); font-weight: 500;
        }
        .payment-grid {
            display: grid; grid-template-columns: repeat(4, 1fr);
            gap: 10px; padding: 15px;
        }
        .payment-item {
            background: var(--bg-surface); text-align: center;
            padding: 15px 5px; border-radius: 10px;
            font-size: 12px; color: var(--text-secondary);
            border: 1px solid var(--border-light);
        }
        .payment-item i { 
            display: block; font-size: 20px; margin-bottom: 8px; 
            color: var(--brand-primary); 
        }
        .article-list { padding: 0 15px; }
        .article-card {
            display: flex; gap: 15px; background: var(--bg-surface);
            margin-bottom: 15px; border-radius: 12px;
            overflow: hidden; text-decoration: none;
            border: 1px solid var(--border-medium);
        }
        .article-card img { width: 100px; height: 100px; object-fit: cover; }
        .article-info { padding: 10px; }
        .article-info h3 { font-size: 15px; color: var(--text-primary); margin-bottom: 5px; }
        .article-info p { font-size: 12px; color: var(--text-secondary); line-height: 1.3; }
        .guidelines-grid {
            display: grid; grid-template-columns: repeat(2, 1fr);
            gap: 15px; padding: 15px;
        }
        .guideline-box {
            background: var(--bg-surface); padding: 15px;
            border-radius: 10px; border-left: 3px solid var(--brand-primary);
            font-size: 13px; color: var(--text-secondary);
        }
        .review-grid {
            display: grid; grid-template-columns: 1fr;
            gap: 15px; padding: 15px;
        }
        .review-card {
            background: var(--bg-surface); padding: 15px;
            border-radius: 12px; border: 1px solid var(--border-light);
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { color: var(--brand-primary); font-size: 24px; }
        .review-username { font-weight: bold; font-size: 14px; }
        .review-stars { color: var(--brand-highlight); font-size: 12px; }
        .review-text { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 11px; color: var(--text-muted); }
        .lottery-list { padding: 15px; }
        .lottery-item {
            display: flex; justify-content: space-between; align-items: center;
            background: var(--bg-surface); padding: 10px 15px;
            margin-bottom: 8px; border-radius: 8px;
            border: 1px dashed var(--border-medium);
            font-size: 13px;
        }
        .lottery-item .win-amount { color: var(--brand-primary); font-weight: bold; }
        .provider-wall {
            display: grid; grid-template-columns: repeat(2, 1fr);
            gap: 10px; padding: 15px;
        }
        .provider-tag {
            background: linear-gradient(135deg, var(--bg-surface), #252525);
            padding: 15px; text-align: center; border-radius: 8px;
            font-weight: bold; color: var(--brand-primary);
            border: 1px solid var(--border-medium);
        }
        .faq-section { padding: 15px; }
        .faq-item {
            background: var(--bg-surface); margin-bottom: 10px;
            border-radius: 10px; padding: 15px;
            border: 1px solid var(--border-light);
        }
        .faq-item h3 { font-size: 16px; color: var(--brand-primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }
        .security-box {
            background: var(--bg-surface); margin: 20px 15px;
            padding: 20px; border-radius: 15px; text-align: center;
            border: 1px solid var(--border-medium);
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; }
        .security-icons i { font-size: 30px; color: var(--success); }
        .security-box p { font-size: 12px; color: var(--text-muted); }
        .navigator {
            position: fixed; bottom: 0; left: 0; right: 0;
            background: var(--bg-surface); display: flex;
            justify-content: space-around; padding: 10px 0;
            border-top: 2px solid var(--brand-primary); z-index: 2000;
        }
        .nav-item { 
            text-decoration: none; color: var(--text-secondary); 
            text-align: center; font-size: 11px; display: flex; 
            flex-direction: column; gap: 5px; 
        }
        .nav-item i { font-size: 20px; color: var(--text-primary); }
        footer {
            background: var(--bg-gradient-end); padding: 30px 15px;
            border-top: 1px solid var(--border-light);
        }
        .footer-links {
            display: grid; grid-template-columns: repeat(3, 1fr);
            gap: 10px; margin-bottom: 20px;
        }
        .footer-links a { 
            color: var(--text-muted); text-decoration: none; 
            font-size: 12px; text-align: center; 
        }
        .copyright { 
            text-align: center; font-size: 12px; color: var(--text-muted); 
            border-top: 1px solid var(--border-light); padding-top: 20px;
        }