.img_box{display:block;overflow:hidden;position:relative;margin:20px 0}.img_box,.img_box img{width:178px;height:178px}.img_box:hover .img_box_style{opacity:1;z-index:20}.img_box .img_box_style{position:absolute;width:100%;height:100%;left:0;top:0;text-align:center;color:#fff;opacity:0;background-color:rgba(0,0,0,.5);-webkit-transition:opacity .3s;transition:opacity .3s;line-height:178px}.img_box .img_box_style span{cursor:pointer}.inst_logo .upload_wrap{width:178px!important;height:178px}.inst_logo .avatar-uploader{margin:20px 0}.inst_logo .avatar-uploader .el-upload{border:1px dashed #d9d9d9!important;border-radius:6px;cursor:pointer;position:relative;overflow:hidden}.inst_logo .avatar-uploader .el-upload:hover{border-color:#409eff}.inst_logo .avatar-uploader-icon{font-size:28px;color:#8c939d;width:178px!important;height:178px;line-height:178px;text-align:center}.inst_logo .avatar{width:178px!important;height:178px;display:block}