.bg,.download-content{height:100%;max-width:100%}.bg{width:100%;display:block}.download-bottom{position:absolute;top:75%;width:100%;text-align:center;padding-bottom:20px}.download-bottom .download-btn{width:83%;height:45px;background:#fff;border-radius:28px 28px 28px 28px;opacity:1;margin:auto;line-height:45px;font-size:18px;font-weight:500;color:#ff690e}.download-bottom img{vertical-align:middle;margin-right:10px;width:25px;height:21px}