/* 筛选容器 */
  .sonsort {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* 筛选按钮 默认灰色未选中 */
.filter-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: #f5f5f5;
    color: #666;
    font-size: 15px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
}

/* 数字标签 默认态 */
.filter-num {
    display: inline-block;
    min-width: 22px;
    height: 20px;
    line-height: 20px;
    padding: 0 6px;
    text-align: center;
    font-size: 12px;
    background: #fff;
    color: #999;
    border-radius: 4px;
    font-weight: normal;
}

/* hover效果 */
.filter-item:hover {
    color: #e60012;
    background: #fff1f2;
    text-decoration: none;
}
.filter-item:hover .filter-num {
    color: #e60012;
}

/* 选中状态 红色高亮突出 */
.filter-item.active {
    background: #e60012;
    color: #fff;
}
.filter-item.active .filter-num {
    background: #fff;
    color: #e60012;
    font-weight: bold;
}

@media (max-width:768px) {
    .sonsort {
        gap: 10px;
    }
    
    .filter-item {
        gap: 6px;
        padding: 8px 15px;
    }
    .filter-num {
        display: none;
    }
}