.facePhoto{background:#000;height:100vh}.facePhoto .top{text-align:center;color:#fff;background:#000;line-height:44px}.facePhoto .top span{font-size:14px}.facePhoto .demo{padding-top:64px;text-align:center}.facePhoto .demo p{font-size:14px;font-weight:400;color:#666;line-height:14px}.facePhoto .bottom{position:fixed;bottom:30px;-webkit-box-shadow:0 0 4px 0 rgba(0,0,0,.08);box-shadow:0 0 4px 0 rgba(0,0,0,.08);text-align:center;vertical-align:middle;line-height:18px}.facePhoto .bottom,.facePhoto .bottom .btu{display:-webkit-box;display:-ms-flexbox;display:flex;width:100%}.facePhoto .bottom .btu{-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.facePhoto .bottom .btu .smbtu{width:10%;background-color:#999;padding:3px}.facePhoto .bottom .btu .pd_r{margin-right:20px}.facePhoto .bottom .btu .pd_l{margin-left:20px}