:root {
            --bg-primary: #0D1117;
            --bg-secondary: #161B22;
            --bg-surface: #21262D;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --brand-primary: #FFD700;
            --brand-hover: #FFC400;
            --brand-secondary: #1E90FF;
            --brand-accent: #B8860B;
            --success: #22C55E;
            --error: #EF4444;
            --warning: #F59E0B;
            --info: #3B82F6;
            --text-primary: #FFFFFF;
            --text-secondary: #9CA3AF;
            --text-muted: #6B7280;
            --text-inverse: #000000;
            --gold-gradient: linear-gradient(180deg, #FFD700 0%, #B8860B 100%);
            --border-default: #30363D;
            --border-active: #FFD700;
            --border-subtle: #21262D;
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-display: 'Montserrat', 'Inter', sans-serif;
        }

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

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        header {
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-default);
            padding: 0.75rem 1rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo {
            width: 25px;
            height: 25px;
            object-fit: contain;
        }

        .brand-name {
            font-size: 16px;
            font-weight: 400;
            color: var(--brand-primary);
        }

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

        .btn {
            padding: 6px 16px;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            font-size: 0.875rem;
            transition: background 0.2s;
        }

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

        .btn-register {
            background: var(--gold-gradient);
            color: var(--text-inverse);
        }

        main {
            padding-bottom: 80px;
        }

        .hero-banner {
            width: 100%;
            aspect-ratio: 2 / 1;
            background-color: var(--bg-surface);
            cursor: pointer;
            display: block;
        }

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

        .jackpot-container {
            background: var(--bg-surface);
            margin: 15px;
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--brand-accent);
        }

        .jackpot-label {
            color: var(--brand-primary);
            font-size: 0.875rem;
            text-transform: uppercase;
            font-weight: 700;
            letter-spacing: 1px;
        }

        #jackpot-amount {
            font-family: var(--font-display);
            font-size: 2.25rem;
            font-weight: 900;
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: block;
        }

        .intro-section {
            padding: 20px 15px;
            text-align: center;
        }

        h1 {
            font-size: 1.5rem;
            color: var(--brand-primary);
            margin-bottom: 10px;
        }

        .intro-p {
            color: var(--text-secondary);
            font-size: 0.875rem;
        }

        .section-title {
            padding: 0 15px;
            margin: 20px 0 10px;
            font-size: 1.25rem;
            border-left: 4px solid var(--brand-primary);
            margin-left: 15px;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            padding: 0 15px;
        }

        .game-card {
            background: var(--bg-secondary);
            border-radius: 8px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-default);
            transition: transform 0.2s;
        }

        .game-card:active {
            transform: scale(0.97);
        }

        .game-image-wrapper {
            aspect-ratio: 1 / 1;
            width: 100%;
            background: var(--bg-surface);
        }

        .game-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .game-info {
            padding: 8px;
            text-align: center;
        }

        .game-info h3 {
            font-size: 0.875rem;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-list {
            padding: 15px;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .article-card {
            display: flex;
            gap: 12px;
            background: var(--bg-secondary);
            border-radius: 8px;
            overflow: hidden;
            text-decoration: none;
            color: inherit;
        }

        .article-img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .article-content {
            padding: 10px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-content h3 {
            font-size: 0.9rem;
            margin-bottom: 5px;
            color: var(--brand-primary);
        }

        .article-content p {
            font-size: 0.75rem;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .trust-section {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 15px;
            background: var(--bg-secondary);
            margin: 20px 0;
        }

        .trust-item {
            text-align: center;
            font-size: 0.65rem;
            color: var(--text-secondary);
        }

        .trust-item i {
            display: block;
            font-size: 1.5rem;
            color: var(--brand-primary);
            margin-bottom: 5px;
        }

        .winning-records {
            padding: 15px;
        }

        .record-item {
            background: var(--bg-surface);
            padding: 10px;
            border-radius: 6px;
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8125rem;
            border-left: 3px solid var(--success);
        }

        .record-user {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .record-amount {
            color: var(--success);
            font-weight: 700;
        }

        .providers-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            padding: 15px;
        }

        .provider-block {
            background: var(--bg-secondary);
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            font-weight: bold;
            color: var(--text-secondary);
            border: 1px solid var(--border-default);
        }

        .review-grid {
            padding: 15px;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .review-card {
            background: var(--bg-secondary);
            padding: 15px;
            border-radius: 12px;
            border-bottom: 2px solid var(--brand-accent);
        }

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

        .user-avatar {
            font-size: 1.5rem;
            color: var(--brand-primary);
        }

        .stars {
            color: var(--warning);
            font-size: 0.75rem;
        }

        .review-text {
            font-size: 0.8125rem;
            color: var(--text-secondary);
            font-style: italic;
        }

        .review-date {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 10px;
            display: block;
        }

        .faq-section {
            padding: 15px;
        }

        .faq-item {
            margin-bottom: 15px;
            background: var(--bg-secondary);
            padding: 15px;
            border-radius: 8px;
        }

        .faq-item h3 {
            font-size: 1rem;
            color: var(--brand-primary);
            margin-bottom: 8px;
        }

        .faq-item p {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .security-section {
            padding: 20px 15px;
            background: var(--bg-surface);
            text-align: center;
        }

        .security-badge {
            font-size: 2rem;
            color: var(--brand-primary);
            margin-bottom: 10px;
        }

        .security-text {
            font-size: 0.75rem;
            color: var(--text-secondary);
            max-width: 300px;
            margin: 0 auto 15px;
        }

        .age-limit {
            display: inline-block;
            border: 2px solid var(--error);
            color: var(--error);
            border-radius: 50%;
            width: 35px;
            height: 35px;
            line-height: 31px;
            font-weight: 900;
            font-size: 0.8rem;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 65px;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-default);
            display: flex;
            justify-content: space-around;
            align-items: center;
            z-index: 1001;
        }

        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 0.7rem;
        }

        .nav-item i {
            font-size: 1.25rem;
            margin-bottom: 4px;
        }

        .nav-item.active {
            color: var(--brand-primary);
        }

        footer {
            padding: 30px 15px 100px;
            background: var(--bg-primary);
            border-top: 1px solid var(--border-default);
            text-align: center;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }

        .footer-link {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.8rem;
        }

        .copyright {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        @media (min-width: 768px) {
            .game-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .article-list {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
            }
        }