.three-bg{width:100%;height:100%;background-size:cover;background-position:50%;position:relative}#mc,.container{width:100%;height:80%}#mc{position:absolute;left:0;top:0}.btn-box{position:absolute;right:calc(50% - 58px);bottom:16px;justify-content:flex-end}.btn,.btn-box{display:flex;align-items:center}.btn{width:117px;height:38px;background:#fff;border-radius:19px;justify-content:space-between;box-shadow:0 0 12px rgba(0,0,0,.2)}.btn img{margin-left:18px;width:16px;height:16px}.btn span{font-size:11px;font-family:PingFang SC;font-weight:500;color:#1b1b1b;margin-right:18px}.progress-box{position:absolute;top:45%;left:calc(50% - 100px);width:200px;padding:10px;box-sizing:border-box}.progress-box .progress-bg{width:180px;height:12px;border-radius:6px;overflow:hidden;background-color:#f8f8f8}.progress-box .progress{display:flex;align-items:center;justify-content:flex-end;font-size:8px;height:100%;background-color:#f2e0b8}