.download{position:relative;height:100%;width:100%}.download-mask{position:absolute;bottom:0;left:0;right:0;top:0;background:#1e1e1e;opacity:.3}.download-android{bottom:125px}.download-android,.download-ios{position:absolute;left:60px;right:60px}.download-ios{bottom:80px}.download-powered{position:absolute;text-align:center;bottom:50px;left:20px;right:20px}.download-nvr{background:url(../../assets/img/download_bg.bdc78a5d.png) no-repeat;background-size:100% 100%}.download-nvr-chat{background:url(../../assets/img/download_bg2.daf69a73.png) no-repeat;background-size:100% 100%}.download-lgmg{background:url(../../assets/img/lgmg-download_bg.c1c426c4.jpg) no-repeat;background-size:100% 100%}.download-lgmg-chat{background:url(../../assets/img/lgmg-download_bg2.b7ef37dd.jpg) no-repeat;background-size:100% 100%}