@media only screen and (min-width:1200px){.yjfx .nv-list{float:left;width:295px;background-color:#f5f6f7;padding:20px 30px;padding-bottom:80px}.yjfx .nv-list li{position:relative;border-bottom:1px solid #c3c4c7}.yjfx .nv-list li.on a{color:#023c7e}.yjfx .nv-list li.on ::after{content:'';position:absolute;top:50%;transform:translateY(-50%);left:-30px;width:8px;height:24px;background-color:#023c7e}.yjfx .nv-list li a{color:#333;padding:30px 0;display:block;font-size:18px}.yjfx .nv-list li a:hover{color:#023c7e}.yjfx .yj-cont{width:calc(100% - 345px);float:right}.yjfx .yj-cont .item{margin-bottom:50px}.yjfx .yj-cont .item .item-name{width:100%;height:90px;font-size:24px;font-weight:600;margin-bottom:35px;color:#fff;line-height:90px;background:url(../images/images/img2.jpg) no-repeat center;text-align:center}.yjfx .yj-cont .item .item-img{margin-bottom:35px}.yjfx .yj-cont .item .item-img img{width:100%}.yjfx .yj-cont .item .item-desc{font-size:16px;line-height:1.75;margin-bottom:35px}.yjfx .yj-cont .item .teacher-list li{margin-right:30px;float:left;width:calc(25% - 23px);margin-bottom:20px}.yjfx .yj-cont .item .teacher-list li:nth-child(4n){margin-right:0}.yjfx .yj-cont .item .teacher-list li .img_content{width:100%;height:15.5vw}.yjfx .yj-cont .item .teacher-list li .img_content img{width:100%;height:100%;object-fit:cover}.yjfx .yj-cont .item .teacher-list li .name{font-size:20px;line-height:1.75;margin:20px 0}}@media only screen and (max-width:1200px){.yjfx .nv-list{display:none;float:left;width:295px;background-color:#f5f6f7;padding:20px 30px;padding-bottom:80px}.yjfx .nv-list li{position:relative;border-bottom:1px solid #c3c4c7}.yjfx .nv-list li.on a{color:#023c7e}.yjfx .nv-list li.on ::after{content:'';position:absolute;top:50%;transform:translateY(-50%);left:-30px;width:8px;height:24px;background-color:#023c7e}.yjfx .nv-list li a{color:#333;padding:30px 0;display:block;font-size:18px}.yjfx .nv-list li a:hover{color:#023c7e}.yjfx .yj-cont{width:calc(100%)}.yjfx .yj-cont .item{margin-bottom:40px}.yjfx .yj-cont .item .item-name{width:100%;height:70px;font-size:20px;font-weight:600;margin-bottom:25px;color:#fff;line-height:70px;background:url(../images/images/img2.jpg) no-repeat center;background-size:cover;text-align:center}.yjfx .yj-cont .item .item-img{margin-bottom:25px}.yjfx .yj-cont .item .item-img img{width:100%}.yjfx .yj-cont .item .item-desc{font-size:16px;line-height:1.75;margin-bottom:25px}.yjfx .yj-cont .item .teacher-list li{margin-right:30px;float:left;width:calc(50% - 15px);margin-bottom:20px}.yjfx .yj-cont .item .teacher-list li:nth-child(2n){margin-right:0}.yjfx .yj-cont .item .teacher-list li .img_content{width:100%;height:60vw}.yjfx .yj-cont .item .teacher-list li .img_content img{width:100%;height:100%;object-fit:cover}.yjfx .yj-cont .item .teacher-list li .name{font-size:18px;line-height:1.75;margin:10px 0}}