body.list_teacher .ddd{margin-bottom:0.4rem;}
body.list_teacher .col_r .news_list{
    overflow:hidden;
}
body.list_teacher .col_r .news{
    float:left;
    width:25%;
    margin-right:12.5%;
    margin-bottom:0.3rem;
}
body.list_teacher .col_r .news:nth-child(3n){margin-right:0;}
body.list_teacher .col_r .news_imgs{padding-top:140%;}
body.list_teacher .col_r .news_title{
    font-size:0.2rem;
    text-align:center;
    margin-top:0.15rem;
}
@media screen and (max-width:767px){
    body.list_teacher .col_r .news{
        width:44%;
        margin:20px 3%;
    }
    body.list_teacher .col_r .news_title{font-size:16px;}
}
@media screen and (max-width:479px){
    body.list_teacher .col_r .news{
        width:48%;
        margin:10px 1%;
    }
    body.list_teacher .col_r .news_title{font-size:14px;}
}