.mainbody{margin-bottom: 30px;background: #fff;height: auto;overflow: hidden;_overflow: visible;min-height: 500px;height: auto!important; height: 800px;}
.mainleft{width:240px;background: #f2f2f2;float:left;margin-right:30px;}
.mainright{width:930px;float:right;}
.ld_dqname{width:100%;}
.list_nr li{width:100%;float:none;}
.list_nr span{float:right; }


.pic_list{margin-top: 25px;}
.pic_list li{margin-bottom: 15px;margin-right: 29px;width: calc( ( 100% - 60px )/3 );float:left;}
.pic_list li:nth-child(3n){margin-right: 0;}
.pic_list li a{display: block;}
.pic_list li .pic-img{width: 100%;height: 170px;overflow: hidden;}
.pic_list li .pic-img img{width: 100%;height: 100%;object-fit: cover;transition: 0.5s all;}
.pic_list li p{font-size: 16px;color: #434343;line-height: 40px;text-align: center;padding: 0 10px;width: 100%;display: block;white-space: nowrap;text-overflow: ellipsis;overflow: hidden;margin: 0;}
.pic_list li:hover .pic-img img{transform: scale(1.1,1.1);}
.pic_list li:hover p{color: #1d50a2;}


.teacher_list{margin-top: 25px;}
.teacher_list li{margin-bottom: 15px;margin-right: 30px;width: calc( ( 100% - 120px )/5 );float:left;}
.teacher_list li:nth-child(5n){margin-right: 0;}
.teacher_list li a{display: block;}
.teacher_list li .pic-img{width: 100%;height: 210px;border-radius:16px;overflow: hidden;}
.teacher_list li .pic-img img{width: 100%;height: 100%;object-fit: cover;transition: 0.5s all;}
.teacher_list li p{font-size: 16px;color: #434343;line-height: 40px;text-align: center;padding: 0 10px;display: block;white-space: nowrap;text-overflow: ellipsis;overflow: hidden;margin: 0;}
.teacher_list li:hover .pic-img img{transform: scale(1.1,1.1);}
.teacher_list li:hover p{color: #1d50a2;}