.problem #navTitle{border-bottom:.02rem solid #ebebeb}.problem{position:absolute;width:100%;height:100%;background:#fff}.problem .dv_list{overflow:hidden;width:7.5rem;background:#fff}.problem .dv_list ul li{overflow:hidden;width:6.9rem;margin:0 auto;padding:.4rem 0 .25rem;border-bottom:.02rem solid #e1e1e1}.problem .dv_list ul li .item{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.problem .dv_list ul li .itemCon{margin-top:.25rem}.problem .dv_list ul li:last-child{border-bottom:none}.problem .dv_list ul li span{overflow:hidden;font-size:.28rem}.problem .dv_list ul li p{overflow:hidden;display:block;line-height:.42rem;font-size:.24rem}.problem .dv_list ul li img{width:.3rem}.problem .chat{position:absolute;height:1rem;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;bottom:0;left:0}