:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #FFCC00;
            --main-bg: #0B0E11;
            --surface: #1E2329;
            --overlay: rgba(0, 0, 0, 0.7);
            --grad-start: #1A1A1A;
            --grad-end: #000000;
            --success: #00C853;
            --error: #FF5252;
            --warning: #FFB300;
            --info: #2196F3;
            --text-primary: #FFFFFF;
            --text-secondary: #B7BDC6;
            --text-disabled: #5E6673;
            --text-inverse: #000000;
            --border-light: #2B3139;
            --border-medium: #474D57;
            --border-strong: #FFD700;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background: linear-gradient(to bottom, var(--grad-start), var(--grad-end));
            background-attachment: fixed;
            color: var(--text-primary);
            font-family: 'Hind Siliguri', sans-serif;
            line-height: 1.5;
            overflow-x: hidden;
        }
        header {
            background-color: var(--surface);
            border-bottom: 2px solid var(--border-strong);
            padding: 0 15px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-section { display: flex; align-items: center; gap: 10px; }
        header .logo-section img { width: 25px; height: 25px; }
        header .logo-section strong { font-size: 16px; font-weight: normal; color: var(--primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn {
            padding: 8px 16px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
            transition: 0.3s;
            border: none;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }
        .btn-login { background: var(--border-medium); color: var(--text-primary); }
        .btn-register { background: var(--primary); color: var(--text-inverse); }
        .btn:hover { opacity: 0.8; transform: translateY(-2px); }

        main { padding: 20px 15px 100px; max-width: 1200px; margin: 0 auto; }
        .hero-banner {
            width: 100%;
            aspect-ratio: 2 / 1;
            border-radius: 15px;
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            cursor: pointer;
        }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }

        .reward-section {
            background: linear-gradient(135deg, var(--accent), #B22222);
            padding: 30px 20px;
            border-radius: 15px;
            text-align: center;
            margin-bottom: 30px;
            box-shadow: 0 8px 20px rgba(255, 69, 0, 0.3);
        }
        .reward-section h2 { font-size: 24px; margin-bottom: 10px; color: white; }
        .reward-section p { font-size: 16px; margin-bottom: 20px; color: #ffeaea; }
        .btn-big {
            background: var(--primary);
            color: var(--text-inverse);
            font-size: 20px;
            padding: 15px 40px;
            border-radius: 50px;
            font-weight: bold;
            text-transform: uppercase;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }

        .intro-card {
            background: var(--surface);
            padding: 25px;
            border-radius: 15px;
            border-left: 5px solid var(--primary);
            margin-bottom: 30px;
            text-align: center;
        }
        .intro-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }

        .section-title {
            font-size: 24px;
            margin: 30px 0 20px;
            text-align: center;
            color: var(--primary);
            position: relative;
            padding-bottom: 10px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--accent);
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .game-card {
            background: var(--surface);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            transition: 0.3s;
            border: 1px solid var(--border-light);
        }
        .game-card:hover { transform: scale(1.03); border-color: var(--primary); }
        .game-card img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
            display: block;
        }
        .game-card h3 {
            padding: 12px;
            font-size: 16px;
            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;
            margin-bottom: 30px;
        }
        .payment-item {
            background: var(--surface);
            padding: 15px 5px;
            border-radius: 10px;
            text-align: center;
            font-size: 12px;
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .payment-item i { font-size: 20px; color: var(--primary); }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .guide-item {
            background: var(--surface);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-light);
        }
        .guide-item h3 { color: var(--highlight); margin-bottom: 10px; font-size: 18px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .review-card {
            background: var(--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(--primary); }
        .review-header .user-info h4 { font-size: 16px; }
        .review-header .stars { color: var(--highlight); font-size: 12px; }
        .review-content { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-disabled); display: block; text-align: right; }

        .lottery-list {
            background: var(--surface);
            border-radius: 15px;
            overflow: hidden;
            margin-bottom: 30px;
        }
        .lottery-item {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            padding: 12px 15px;
            border-bottom: 1px solid var(--border-light);
            font-size: 13px;
            align-items: center;
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-item .user { font-weight: bold; }
        .lottery-item .amount { color: var(--success); font-weight: bold; }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .provider-box {
            background: linear-gradient(45deg, var(--surface), #2a313a);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            font-weight: bold;
            color: var(--primary);
            border: 1px solid var(--border-medium);
            font-size: 16px;
        }

        .faq-section { margin-bottom: 30px; }
        .faq-item {
            background: var(--surface);
            margin-bottom: 10px;
            border-radius: 10px;
            padding: 15px;
            border: 1px solid var(--border-light);
        }
        .faq-item h3 { font-size: 16px; color: var(--primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }

        .security-section {
            background: var(--surface);
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--border-medium);
            margin-bottom: 30px;
        }
        .security-icons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .security-icon { color: var(--success); font-size: 24px; }
        .security-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 15px; }
        .age-notice {
            background: var(--accent);
            color: white;
            padding: 5px 15px;
            border-radius: 5px;
            display: inline-block;
            font-weight: bold;
            margin-bottom: 15px;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--surface);
            height: 65px;
            display: flex;
            justify-content: space-around;
            align-items: center;
            border-top: 2px solid var(--primary);
            z-index: 2000;
            padding-bottom: env(safe-area-inset-bottom);
        }
        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 11px;
            gap: 4px;
        }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--primary); }

        footer {
            background: var(--surface);
            padding: 40px 15px 100px;
            border-top: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 14px;
        }
        footer .contact-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 15px;
            margin-bottom: 30px;
            text-align: center;
        }
        footer .contact-row a { color: var(--primary); text-decoration: none; }
        footer .links-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            text-align: center;
            margin-bottom: 30px;
        }
        footer .links-grid a { color: var(--text-secondary); text-decoration: none; }
        footer .links-grid a:hover { color: var(--primary); }
        footer .copyright {
            text-align: center;
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            font-size: 13px;
        }

        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .links-grid { grid-template-columns: repeat(3, 1fr); }
        }