.download-box{position:relative;display:flex;justify-content:center}.download-list{background:#fff;margin:20px;padding:0 20px;border-radius:10px;width:100%;box-sizing:border-box}.download-list li{cursor:pointer;outline:none;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #f1f0f5;line-height:60px}.download-list li:last-child{border-bottom:none}.mask-box{position:fixed;top:0;z-index:99;bottom:0;left:0;right:0;background:rgba(0,0,0,.7)}.mask-content{margin:30px}.mask-content img{width:100%}