.center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}#app,body,html{background:#162656}#app,#app .con_pc,#app .con_pc .con_t{position:relative}#app .con_pc .con_t .logo{position:absolute;top:.6rem;left:1.6rem;width:2.2rem;z-index:10}#app .con_pc .con_t .img_b{position:absolute;right:0;top:.4rem;width:4.3rem;z-index:30}#app .con_pc .con_t .download{position:absolute;left:2rem;top:2.4rem;z-index:33}#app .con_pc .con_t .download a{display:-ms-flexbox;display:flex;-ms-flex-pack:center;justify-content:center;-ms-flex-align:center;align-items:center;width:1.56rem;height:.312rem;font-size:.12rem;font-family:PingFangSC-Medium,PingFang SC;font-weight:500;color:#fff;text-align:center;background-image:url(../images/officialWebsite/btn_pc.9bb3c54e.png);background-repeat:no-repeat;background-size:100% 100%}#app .con_pc .con_t .emsCnpl{position:absolute;left:2.4rem;top:2.85rem;width:.75rem;z-index:33}#app .con_pc .con_t .group{position:absolute;left:1.9rem;top:3.85rem;height:.264rem;background-image:url(../images/officialWebsite/qqBG_pc.90a630c0.png);background-repeat:no-repeat;background-size:100% 100%;z-index:33}#app .con_pc .con_t .group .qq{display:-ms-flexbox;display:flex;-ms-flex-pack:center;justify-content:center;-ms-flex-align:center;align-items:center;height:.264rem;font-size:.08rem;font-family:PingFangSC-Medium,PingFang SC;font-weight:500;color:#fff}#app .con_pc .con_t .group .qq input{position:absolute;bottom:-100%;opacity:0}#app .con_pc .con_t .group .qq .icon_copy_b{position:relative;width:.13rem;height:.13rem;margin-left:10px;z-index:30}#app .con_pc .con_t .mask{padding:20px;background:#443939;font-size:.12rem;font-family:PingFangSC-Medium,PingFang SC;font-weight:500;color:#fff;border-radius:.3rem;text-align:center;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:99}#app .con_pc .con_b{position:relative;padding-top:.2rem}#app .con_pc .con_b .bannerBox{width:96%;margin:0 auto;display:-ms-flexbox;display:flex;-ms-flex-pack:center;justify-content:center}#app .con_pc .con_b .bannerBox .item{width:24%;margin-right:1.3%}#app .con_pc .con_b .bannerBox .item:nth-child(4){margin-right:0}#app .con_pc .con_b .introduce{width:92%;margin:.2rem auto}#app .con_pc .con_b .introduce,#app .con_pc .con_b .sign{font-size:.07rem;font-family:PingFangSC-Medium,PingFang SC;font-weight:500;color:#fff}#app .con_pc .con_b .sign{width:100%;height:.2rem;background:rgba(0,0,0,.4);line-height:.2rem;text-align:center}#app .con_pc .con_b .sign a{position:relative;color:#fff}#app .con_pc .con_b .sign .police{padding-left:.12rem}#app .con_pc .con_b .sign .police img{position:absolute;left:0;top:0;width:.1rem;height:.1rem}