:root {
            --primary: #FFD700;
            --primary-dark: #C5A000;
            --secondary: #1A1A1A;
            --accent: #FF4500;
            --bg-main: #0F0F0F;
            --bg-surface: #1E1E1E;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #757575;
            --text-inverse: #000000;
            --success: #00C851;
            --warning: #FFBB00;
            --error: #FF3B30;
            --info: #007AFF;
            --border-default: #333333;
            --border-highlight: #FFD700;
            --border-subtle: #262626;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'Hind Siliguri', sans-serif;
            background-color: var(--bg-main);
            color: var(--text-primary);
            line-height: 1.5;
            overflow-x: hidden;
        }
        header {
            background-color: var(--bg-surface);
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 15px;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-default);
        }
        .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; }
        .auth-buttons { display: flex; gap: 10px; }
        .btn {
            padding: 8px 16px;
            border-radius: 8px;
            cursor: pointer;
            font-family: 'Roboto', sans-serif;
            font-weight: 500;
            border: none;
            transition: 0.3s;
        }
        .btn-login { background-color: transparent; color: var(--text-primary); border: 1px solid var(--primary); }
        .btn-register { background-color: var(--primary); color: var(--text-inverse); }
        .btn-register:hover { background-color: var(--primary-dark); }

        main { padding-bottom: 80px; }
        .banner-container {
            width: 100%;
            aspect-ratio: 2 / 1;
            overflow: hidden;
            cursor: pointer;
        }
        .banner-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .reward-section {
            background: linear-gradient(45deg, #1a1a1a, #333);
            padding: 30px 20px;
            text-align: center;
            border-bottom: 2px solid var(--primary);
        }
        .reward-section h2 { color: var(--primary); margin-bottom: 15px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-large {
            background-color: var(--accent);
            color: white;
            padding: 15px 30px;
            font-size: 20px;
            font-weight: bold;
            border-radius: 50px;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
        }

        .intro-card {
            margin: 20px;
            padding: 25px;
            background-color: var(--bg-surface);
            border-radius: 15px;
            border-left: 5px solid var(--primary);
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        }
        .intro-card h1 { color: var(--primary); font-size: 30px; margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }

        .section-title {
            text-align: center;
            font-size: 24px;
            margin: 30px 0 20px;
            color: var(--primary);
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            padding: 0 15px;
        }
        .game-card {
            background-color: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-subtle);
            transition: transform 0.2s;
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--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-primary);
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 20px 15px;
        }
        .payment-item {
            background-color: var(--bg-surface);
            padding: 15px 5px;
            border-radius: 10px;
            text-align: center;
            font-size: 12px;
            border: 1px solid var(--border-default);
        }
        .payment-item i {
            display: block;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .article-list {
            padding: 0 15px;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .article-card {
            display: flex;
            background-color: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-subtle);
        }
        .article-card img { width: 100px; height: 100px; object-fit: cover; }
        .article-content { padding: 12px; flex: 1; }
        .article-content h3 { font-size: 16px; color: var(--primary); margin-bottom: 5px; }
        .article-content p { font-size: 13px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        .guideline-grid {
            padding: 20px 15px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        .guideline-item {
            background-color: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            font-size: 13px;
            color: var(--text-secondary);
            border-bottom: 2px solid var(--border-subtle);
        }

        .review-container {
            padding: 20px 15px;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .review-card {
            background-color: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-subtle);
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { color: var(--primary); font-size: 20px; }
        .review-user { font-weight: bold; font-size: 14px; }
        .review-stars { color: var(--warning); font-size: 12px; margin-left: auto; }
        .review-text { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
        .review-date { font-size: 11px; color: var(--text-muted); }

        .lottery-list {
            padding: 20px 15px;
            background: var(--bg-surface);
            margin: 20px 15px;
            border-radius: 15px;
        }
        .lottery-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 13px;
        }
        .lottery-user { color: var(--text-secondary); }
        .lottery-game { color: var(--text-primary); font-weight: 500; }
        .lottery-win { color: var(--primary); font-weight: bold; }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            padding: 20px 15px;
        }
        .provider-item {
            background: linear-gradient(135deg, var(--bg-surface), #2a2a2a);
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            font-weight: bold;
            color: var(--primary);
            border: 1px solid var(--border-highlight);
        }

        .faq-section { padding: 20px 15px; }
        .faq-item {
            background-color: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 10px;
            padding: 15px;
            border: 1px solid var(--border-subtle);
        }
        .faq-item h3 { font-size: 16px; color: var(--primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }

        .security-footer {
            padding: 30px 15px;
            background-color: #000;
            text-align: center;
            border-top: 1px solid var(--border-default);
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; }
        .security-icons i { font-size: 30px; color: var(--primary); }
        .security-text { font-size: 12px; color: var(--text-muted); line-height: 1.8; }

        .navigator {
            position: fixed;
            bottom: 0;
            width: 100%;
            height: 65px;
            background-color: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            align-items: center;
            border-top: 1px solid var(--border-default);
            z-index: 2000;
        }
        .nav-item {
            text-decoration: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            color: var(--text-secondary);
            font-size: 11px;
            gap: 5px;
        }
        .nav-item i { font-size: 20px; color: var(--primary); }

        footer {
            background-color: var(--bg-surface);
            padding: 40px 15px 100px;
            border-top: 1px solid var(--border-default);
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 13px;
            display: block;
            text-align: center;
        }
        .footer-copyright {
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
        }