.au_div .upload_btn{width: 9rem;height: 9rem;background: #FFFFFF;border: 0.1rem dashed #EAEAEA;display: inline-block}
.au_div .upload_btn img{margin:2.2rem 0 0 3.3rem;width: 2.4rem;height: 2.4rem;}
.au_div .upload_btn div{margin:1rem 0 0 2.1rem;height: 1.7rem;font-size: 1.2rem;color: #A6A6A6;line-height: 1.7rem;}

.au_div span{display:block;float:left;width:8.53rem;height:8.8rem;margin-right:2.1rem;position:relative;margin-bottom:1.9rem;}
.au_div span img{width:100%;height:100%;object-fit:contain;}
.au_div span em{background:#333333;opacity: 0.80;color:#fff;width:1.8rem;height:1.8rem;line-height:1.8rem;vertical-align:text-top;
    border-radius:100%;position:absolute;top:-0.7rem;right:-0.9rem;z-index:3;text-align: center;cursor: pointer;}
.au_div span em div{margin-top: -0.1rem}