:root {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-accent: #0f172a;
            --brand-primary: #ffbc00;
            --brand-secondary: #ffcc00;
            --brand-accent: #eab308;
            --success: #22c55e;
            --error: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            --text-primary: #ffffff;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-on-brand: #000000;
            --border-primary: #334155;
            --border-secondary: #475569;
            --border-highlight: #ffbc00;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

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

        header {
            background-color: var(--bg-secondary);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-primary);
            box-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }

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

        header .logo-area img {
            width: 25px;
            height: 25px;
            border-radius: 4px;
        }

        header .logo-area strong {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-primary);
        }

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

        .btn {
            padding: 8px 16px;
            border-radius: 8px;
            font-family: var(--font-primary);
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all 0.3s ease;
            text-decoration: none;
            font-size: 14px;
        }

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

        .btn-register {
            background-color: var(--brand-primary);
            color: var(--text-on-brand);
        }

        .btn:hover {
            opacity: 0.9;
            transform: translateY(-1px);
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 15px 100px 15px;
        }

        .banner-container {
            width: 100%;
            margin-bottom: 20px;
            border-radius: 15px;
            overflow: hidden;
            border: 2px solid var(--border-primary);
            cursor: pointer;
        }

        .banner-container img {
            width: 100%;
            aspect-ratio: 2/1;
            display: block;
            object-fit: cover;
        }

        .reward-section {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 30px 20px;
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--border-highlight);
            margin-bottom: 25px;
        }

        .reward-section h2 {
            color: var(--brand-primary);
            font-size: 24px;
            margin-bottom: 15px;
        }

        .reward-section p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 16px;
        }

        .btn-huge {
            display: inline-block;
            background-color: var(--brand-primary);
            color: var(--text-on-brand);
            padding: 15px 40px;
            font-size: 20px;
            font-weight: 700;
            border-radius: 50px;
            text-decoration: none;
            box-shadow: 0 0 20px rgba(255, 188, 0, 0.4);
        }

        .intro-card {
            background-color: var(--bg-secondary);
            padding: 30px;
            border-radius: 20px;
            border-left: 5px solid var(--brand-primary);
            margin-bottom: 30px;
        }

        .intro-card h1 {
            font-size: 30px;
            color: var(--brand-primary);
            margin-bottom: 15px;
        }

        .intro-card p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
        }

        .section-title {
            font-size: 24px;
            margin: 30px 0 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title::before {
            content: "";
            width: 4px;
            height: 24px;
            background-color: var(--brand-primary);
            display: inline-block;
            border-radius: 2px;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }

        .game-card {
            background-color: var(--bg-secondary);
            border-radius: 15px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-primary);
            transition: transform 0.3s ease;
        }

        .game-card:hover {
            transform: scale(1.03);
            border-color: var(--brand-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;
            font-weight: 500;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }

        .payment-item {
            background-color: var(--bg-secondary);
            padding: 15px 5px;
            border-radius: 10px;
            text-align: center;
            font-size: 12px;
            border: 1px solid var(--border-primary);
            color: var(--text-secondary);
        }

        .payment-item i {
            display: block;
            font-size: 20px;
            color: var(--brand-primary);
            margin-bottom: 8px;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .guide-item {
            background-color: var(--bg-secondary);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-primary);
        }

        .guide-item h3 {
            color: var(--brand-primary);
            margin-bottom: 10px;
            font-size: 18px;
        }

        .guide-item p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }

        .comment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .comment-card {
            background-color: var(--bg-secondary);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-primary);
        }

        .comment-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

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

        .comment-user {
            font-weight: 600;
            font-size: 15px;
        }

        .comment-stars {
            color: #facc15;
            font-size: 12px;
            margin-bottom: 10px;
        }

        .comment-body {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 10px;
            line-height: 1.6;
        }

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

        .lottery-list {
            background-color: var(--bg-secondary);
            border-radius: 15px;
            padding: 10px;
            margin-bottom: 30px;
            border: 1px solid var(--border-primary);
        }

        .lottery-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 15px;
            border-bottom: 1px solid var(--border-primary);
            font-size: 14px;
        }

        .lottery-item:last-child {
            border-bottom: none;
        }

        .lottery-user {
            color: var(--text-primary);
            font-weight: 500;
        }

        .lottery-game {
            color: var(--text-secondary);
        }

        .lottery-amount {
            color: var(--brand-primary);
            font-weight: 700;
        }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }

        .provider-item {
            background: linear-gradient(45deg, var(--bg-secondary), #2d3748);
            padding: 20px;
            text-align: center;
            border-radius: 10px;
            font-weight: 600;
            color: var(--brand-primary);
            border: 1px solid var(--border-primary);
        }

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

        .faq-item {
            background-color: var(--bg-secondary);
            margin-bottom: 15px;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-primary);
        }

        .faq-question {
            padding: 15px 20px;
            font-weight: 600;
            color: var(--brand-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 0 20px 15px 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }

        .safety-section {
            background-color: var(--bg-secondary);
            padding: 25px;
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--border-primary);
            margin-bottom: 30px;
        }

        .safety-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 20px;
        }

        .badge {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .badge i {
            color: var(--success);
        }

        .safety-text {
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.6;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--bg-secondary);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 12px 0;
            border-top: 1px solid var(--border-primary);
            z-index: 2000;
            box-shadow: 0 -2px 15px rgba(0,0,0,0.5);
        }

        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 12px;
            gap: 5px;
            flex: 1;
        }

        .nav-item i {
            font-size: 20px;
        }

        footer {
            background-color: var(--bg-secondary);
            padding: 40px 20px 120px 20px;
            border-top: 1px solid var(--border-primary);
            text-align: center;
        }

        .footer-contact {
            margin-bottom: 30px;
        }

        .footer-contact p {
            color: var(--brand-primary);
            margin-bottom: 15px;
            font-weight: 600;
        }

        .contact-links {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

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

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

        .footer-cols {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            text-align: left;
            margin-bottom: 30px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .col-links a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            margin-bottom: 8px;
            transition: color 0.3s;
        }

        .col-links a:hover {
            color: var(--text-primary);
        }

        .footer-bottom {
            color: var(--text-muted);
            font-size: 12px;
            border-top: 1px solid var(--border-primary);
            padding-top: 20px;
        }

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