@media (max-width: 1199px) {
    .brand-content {
        padding: 16px;
    }

    .brand-search-form {
        flex-direction: column;
        padding: 4px;
    }
    
    .btn-search {
        width: 100%;
        padding: 12px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stats-section {
        flex-direction: column;
    }
    
    .stat-item {
        min-width: 100%;
    }

    .trend-ranking-section {
        margin-top: 24px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .section-header h2 {
        font-size: 20px;
    }

    .refresh-control {
        width: 100%;
        justify-content: space-between;
    }

    .platform-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .platform-card {
        min-height: 300px;
    }

    .card-header {
        padding: 12px;
    }

    .card-header h3 {
        font-size: 15px;
    }

    .platform-logo {
        width: 28px;
        height: 28px;
    }

    .ranking-list-container {
        padding: 12px;
        max-height: 500px;
    }

    .rank-item {
        padding: 10px;
        gap: 10px;
    }

    .rank-badge {
        width: 28px;
        height: 28px;
        min-width: 28px;
        font-size: 12px;
    }

    .item-thumb {
        width: 50px;
        height: 50px;
        min-width: 50px;
    }

    .item-brand {
        font-size: 10px;
    }

    .item-name {
        font-size: 12px;
        min-height: 32px;
        -webkit-line-clamp: 2;
    }

    .item-price {
        font-size: 14px;
    }

    .btn-refresh {
        padding: 6px 12px;
        font-size: 12px;
    }

    .btn-refresh span {
        display: none;
    }

    .update-time {
        font-size: 12px;
    }
}