.mian_contain ul{
    display: flex;
    /*justify-content: space-between;*/
    flex-wrap: wrap;
    padding: 0 0.3rem
}
.mian_contain ul li{
    /*width: 30%;*/
    margin: 0.1rem 0.05rem;
}
.mian_contain ul li img{
    width: 1.93rem;
    height: 1.32rem;
}
.itemTitle_cer{
    font-size:0.28rem;
    font-weight:400;
    text-align: left;
    color:rgba(51,51,51,1);
    line-height:0.56rem;
    margin-left: 0.3rem;
    margin-top: 0.1rem;
}