:root {
            --brand-primary: #FFD700;
            --brand-primary-dark: #B8860B;
            --brand-secondary: #E60000;
            --brand-accent: #00FFB3;
            --bg-main: #0B0E11;
            --bg-surface: #1E2329;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --bg-grad-start: #1A1A2E;
            --bg-grad-end: #0B0E11;
            --success: #00C853;
            --warning: #FFAB00;
            --error: #FF5252;
            --info: #2196F3;
            --text-primary: #FFFFFF;
            --text-secondary: #B7B7B7;
            --text-muted: #848E9C;
            --text-highlight: #FFD700;
            --border-light: #30363D;
            --border-medium: #484F58;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
            --font-accent: 'Poppins', sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background: linear-gradient(135deg, var(--bg-grad-start), var(--bg-grad-end));
            background-attachment: fixed;
            color: var(--text-primary);
            font-family: var(--font-primary);
            line-height: 1.5;
            overflow-x: hidden;
        }

        header {
            background-color: 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;
        }

        .header-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-primary);
        }

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

        .header-brand strong {
            font-size: 16px;
            font-weight: normal;
        }

        .header-auth {
            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: var(--font-primary);
            font-size: 14px;
            transition: 0.3s;
        }

        .btn-register {
            background: var(--brand-primary);
            color: #000;
            border: none;
            padding: 6px 15px;
            border-radius: 5px;
            cursor: pointer;
            font-family: var(--font-primary);
            font-weight: 600;
            font-size: 14px;
            transition: 0.3s;
        }

        .btn-register:hover, .btn-login:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }

        main {
            max-width: 1000px;
            margin: 0 auto;
            padding: 20px 15px;
        }

        .banner-container {
            width: 100%;
            aspect-ratio: 2/1;
            border-radius: 15px;
            overflow: hidden;
            margin-bottom: 25px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            cursor: pointer;
        }

        .banner-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .reward-section {
            background: linear-gradient(45deg, var(--brand-secondary), #8B0000);
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            margin-bottom: 25px;
            border: 2px solid var(--brand-primary);
        }

        .reward-section h2 {
            font-size: 28px;
            margin-bottom: 15px;
            color: var(--brand-primary);
        }

        .reward-section p {
            font-size: 18px;
            margin-bottom: 20px;
            color: #fff;
        }

        .btn-big-reg {
            background: var(--brand-primary);
            color: #000;
            font-size: 22px;
            font-weight: bold;
            padding: 15px 40px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
            transition: 0.3s;
        }

        .btn-big-reg:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
        }

        .intro-card {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--border-medium);
            margin-bottom: 30px;
        }

        .intro-card h1 {
            font-size: 40px;
            color: var(--brand-primary);
            margin-bottom: 15px;
        }

        .intro-card p {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .section-title {
            font-size: 32px;
            margin-bottom: 20px;
            text-align: center;
            color: var(--text-primary);
            position: relative;
            padding-bottom: 10px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--brand-primary);
        }

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

        .game-card {
            background: var(--bg-surface);
            border-radius: 15px;
            overflow: hidden;
            text-decoration: none;
            transition: 0.3s;
            border: 1px solid var(--border-light);
        }

        .game-card:hover {
            border-color: var(--brand-primary);
            transform: translateY(-5px);
        }

        .game-card img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
            display: block;
        }

        .game-info {
            padding: 12px;
            text-align: center;
        }

        .game-info h3 {
            font-size: 18px;
            color: var(--text-primary);
            font-weight: 500;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }

        .payment-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 14px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .payment-item i {
            font-size: 24px;
            color: var(--brand-primary);
        }

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

        .guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 15px;
            border-left: 4px solid var(--brand-primary);
        }

        .guide-item h3 {
            font-size: 20px;
            color: var(--brand-primary);
            margin-bottom: 10px;
        }

        .guide-item p {
            color: var(--text-secondary);
            font-size: 15px;
        }

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

        .review-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-light);
        }

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

        .review-header i {
            font-size: 40px;
            color: var(--text-muted);
        }

        .review-user {
            font-weight: 600;
            color: var(--text-primary);
        }

        .review-rating {
            color: var(--brand-primary);
            font-size: 14px;
        }

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

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

        .lottery-list {
            background: var(--bg-surface);
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 30px;
            border: 1px solid var(--border-medium);
        }

        .lottery-item {
            display: grid;
            grid-template-columns: 1fr 2fr 1fr 1fr;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            align-items: center;
        }

        .lottery-item:last-child { border-bottom: none; }
        .win-amount { color: var(--brand-accent); font-weight: bold; }

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

        .provider-box {
            background: linear-gradient(45deg, #2c3e50, #000);
            padding: 15px;
            text-align: center;
            border-radius: 10px;
            font-weight: bold;
            color: var(--brand-primary);
            border: 1px solid var(--border-light);
        }

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

        .faq-item {
            background: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 10px;
            overflow: hidden;
        }

        .faq-question {
            padding: 15px 20px;
            cursor: pointer;
            background: #252d35;
            font-weight: 600;
            color: var(--brand-primary);
            display: flex;
            justify-content: space-between;
        }

        .faq-answer {
            padding: 15px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.6;
            border-top: 1px solid var(--border-light);
        }

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

        .safety-badges {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .badge {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .badge i { color: var(--success); font-size: 20px; }

        .safety-text {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 2px solid var(--brand-primary);
            z-index: 1001;
            box-shadow: 0 -5px 20px rgba(0,0,0,0.5);
        }

        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 12px;
            gap: 5px;
            transition: 0.3s;
        }

        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--brand-primary); }

        footer {
            background: var(--bg-surface);
            padding: 40px 20px 100px 20px;
            border-top: 1px solid var(--border-medium);
            color: var(--text-secondary);
            font-size: 14px;
        }

        .footer-contact {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .footer-contact a {
            color: var(--text-primary);
            text-decoration: none;
            transition: 0.3s;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            text-align: center;
            margin-bottom: 30px;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            display: block;
            padding: 5px 0;
        }

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

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
        }

        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
            .lottery-item { grid-template-columns: 1fr 1fr; gap: 5px; }
            .lottery-item div:nth-child(3), .lottery-item div:nth-child(4) { text-align: right; }
        }