:root {
            --primary: #FFD700;
            --primary-hover: #FFC107;
            --secondary: #1A1A1A;
            --accent: #E91E63;
            --highlight: #00FF41;
            --main-bg: #0F0F0F;
            --surface-bg: #1E1E1E;
            --card-bg: #2A2A2A;
            --overlay-bg: rgba(0, 0, 0, 0.8);
            --success: #4CAF50;
            --warning: #FF9800;
            --error: #F44336;
            --info: #2196F3;
            --primary-text: #FFFFFF;
            --secondary-text: #B0B0B0;
            --muted-text: #757575;
            --inverse-text: #000000;
            --border-default: #333333;
            --border-active: #FFD700;
            --border-subtle: #252525;
            --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(--main-bg);
            color: var(--primary-text);
            font-family: var(--font-primary);
            line-height: 1.5;
            overflow-x: hidden;
        }

        header {
            background-color: var(--secondary);
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 15px;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--border-active);
        }

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

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

        .header-left strong {
            font-size: 16px;
            font-weight: normal;
            color: var(--primary);
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 5px 15px;
            border-radius: 20px;
            cursor: pointer;
            font-family: var(--font-primary);
            font-size: 14px;
            transition: 0.3s;
        }

        .btn-register {
            background: var(--primary);
            border: 1px solid var(--primary);
            color: var(--inverse-text);
            padding: 5px 15px;
            border-radius: 20px;
            cursor: pointer;
            font-family: var(--font-primary);
            font-size: 14px;
            font-weight: 600;
            transition: 0.3s;
        }

        .btn-login:hover, .btn-register:hover {
            background: var(--primary-hover);
            color: var(--inverse-text);
        }

        main {
            padding-bottom: 80px;
        }

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

        .reward-section {
            background: linear-gradient(45deg, #1a1a1a, #333);
            padding: 30px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-subtle);
        }

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

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

        .btn-big-reg {
            background: var(--highlight);
            color: var(--inverse-text);
            padding: 15px 40px;
            border-radius: 30px;
            font-size: 20px;
            font-weight: bold;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(0, 255, 65, 0.4);
            transition: 0.3s;
        }

        .btn-big-reg:hover {
            transform: scale(1.05);
            background: #00e63a;
        }

        .intro-card {
            margin: 20px;
            background: var(--surface-bg);
            padding: 25px;
            border-radius: 15px;
            border-left: 5px solid var(--primary);
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }

        .intro-card h1 {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 10px;
        }

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

        .section-title {
            padding: 0 20px;
            margin: 30px 0 15px;
            font-size: 24px;
            color: var(--primary);
            text-align: left;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            padding: 0 20px;
        }

        .game-card {
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            transition: 0.3s;
            border: 1px solid var(--border-subtle);
        }

        .game-card:hover {
            border-color: var(--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: 16px;
            color: var(--primary-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .payment-section {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 20px;
            background: var(--surface-bg);
            margin: 20px 0;
        }

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

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

        .guide-section {
            padding: 0 20px;
            display: grid;
            gap: 15px;
        }

        .guide-card {
            background: var(--surface-bg);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-subtle);
        }

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

        .guide-card p {
            color: var(--secondary-text);
            font-size: 14px;
        }

        .review-grid {
            display: grid;
            gap: 15px;
            padding: 0 20px;
        }

        .review-card {
            background: var(--card-bg);
            padding: 20px;
            border-radius: 15px;
            position: relative;
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

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

        .review-header .username {
            font-weight: bold;
            font-size: 16px;
        }

        .stars {
            color: var(--primary);
            font-size: 12px;
            margin-bottom: 8px;
        }

        .review-date {
            display: block;
            text-align: right;
            font-size: 12px;
            color: var(--muted-text);
            margin-top: 10px;
        }

        .lottery-section {
            background: var(--surface-bg);
            margin: 20px 0;
            padding: 20px;
        }

        .lottery-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 14px;
        }

        .lottery-row .win-amount {
            color: var(--highlight);
            font-weight: bold;
        }

        .provider-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            padding: 0 20px;
        }

        .provider-item {
            background: linear-gradient(135deg, var(--secondary), var(--card-bg));
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            font-weight: bold;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .faq-section {
            padding: 0 20px;
            display: grid;
            gap: 15px;
        }

        .faq-card {
            background: var(--surface-bg);
            padding: 15px;
            border-radius: 10px;
        }

        .faq-card h3 {
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .faq-card p {
            font-size: 14px;
            color: var(--secondary-text);
        }

        .security-section {
            background: var(--secondary);
            margin: 30px 20px;
            padding: 20px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--accent);
        }

        .security-badge {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 15px;
            font-size: 24px;
            color: var(--highlight);
        }

        .security-text {
            font-size: 14px;
            color: var(--secondary-text);
            line-height: 1.8;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--secondary);
            display: flex;
            justify-content: space-around;
            align-items: center;
            height: 65px;
            z-index: 2000;
            border-top: 2px solid var(--primary);
            padding-bottom: env(safe-area-inset-bottom);
        }

        .nav-item {
            text-decoration: none;
            color: var(--secondary-text);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 12px;
            gap: 4px;
        }

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

        footer {
            background-color: var(--secondary);
            padding: 30px 20px;
            border-top: 1px solid var(--border-subtle);
            color: var(--secondary-text);
            font-family: var(--font-secondary);
        }

        .footer-contact {
            text-align: center;
            margin-bottom: 25px;
        }

        .footer-contact p {
            color: var(--primary);
            margin-bottom: 10px;
            font-weight: bold;
        }

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

        .contact-links a {
            color: var(--secondary-text);
            text-decoration: none;
            font-size: 13px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 25px;
        }

        .footer-links a {
            color: var(--muted-text);
            text-decoration: none;
            font-size: 13px;
            display: block;
        }

        .copyright {
            text-align: center;
            font-size: 12px;
            color: var(--muted-text);
            border-top: 1px solid var(--border-subtle);
            padding-top: 15px;
        }