*{margin:0; padding:0;}
em{font-style:normal;}
li{list-style:none;}
a{ text-decoration:none; }
body{ width:100%;font-size:14px;line-height:1.75;font-family: "Microsoft YaHei",Arial, Helvetica, sans-serif; background:url(../images/bg.png) center top no-repeat #151c2d;}
.clearfix:after {content:".";display:block;height:0;visibility:hidden;clear:both;}
.clearfix {zoom:1;}
.body{ width:100%; }

.left{float:left}
.right{float:right}


.logo{position: fixed;width:420px;height:86px;background:url(../images/logo.png) left center no-repeat;top:300px;left:calc(50% - 210px);background-size:auto 100%;padding-left:86px;color:#fff;font-size:50px}

.p{position: fixed;width:1000px;color:#ffffff;left:calc(50% - 500px);top:420px;text-align: center;font-size:60px;text-align: center;}
.downbtn{position: fixed;width:188px;height:54px;line-height:54px;top:548px;left:calc(50% - 210px);background-size:100% 100%;border:1px solid #fff;font-size:18px;color:#fff;text-align:center;}
.downbtn2{position: fixed;width:188px;height:54px;line-height:54px;top:548px;right:calc(50% - 210px);background-size:100% 100%;border:1px solid #fff;font-size:18px;color:#fff;text-align:center;}

.foot{position: fixed;width:100%;text-align: center;color:#ffffff;font-size: 14px;bottom:24px}
.foot span,.foot a{margin:0px 10px}