html,body {line-height:0;}
body {background:#253E6E;}
body,h1,h2,h3,h4,h5,h6,ul,ol,dl,dd,p {margin:0;}
body,h1,input,button,select,textarea {font-family:"Microsoft Yahei","PingFang SC","Helvetica Neue",serif;font-size:.28rem;color:#272727;}
input,button,select,textarea {border:none;outline:none;}
input,button,textarea,th,td {padding:0;}
i,em,cite {font-style:normal;}
ul,ol {padding:0;list-style:none;}
img {vertical-align:top;border:none;}
a {text-decoration:none;color:inherit;}

.warp,.header{margin:0 auto;width:7.5rem;}
.warp:after{content:'';display:table;clear:both;}
.header{position:fixed;display:table;background:rgba(40,40,40,.5);z-index:3;}
.soft-logo,.soft-name,.soft-down{display:table-cell;height:1rem;vertical-align:middle;}
.soft-logo{width:.9rem;text-align:right;}
.soft-logo img{border-radius:.15rem;width:.7rem;height:.7rem;}
.soft-name{padding:0 .17rem;line-height:.2rem;font-size:.18rem;font-weight:300;color:#fff;}
.soft-name p:first-child{line-height:.4rem;font-size:.3rem;font-weight:bold;}
.soft-down{width:1.66rem;}
.soft-btn{border-radius:.5rem;width:1.5rem;height:.6rem;background:#fff;text-align:center;}
.soft-btn img{margin:.04rem 0 0 .05rem;width:1.3rem;}
.soft-cont{position:relative;}
.soft-cont img{width:100%;}
.down-btn{position:absolute;top:5.5rem;right:.4rem;padding:.5rem 0 0.1rem .5rem;width:2.05rem!important;height:.48rem;}

/*setp and weixin*/
.step{margin:0 auto;width:7.5rem;background:#000 url("../images/step/step-header.jpg") no-repeat top / contain;text-align:center;}
.step-header{padding:.5rem 0;font-size:.36rem;color:#fff;}
.step img{margin-bottom:.3rem;width:6.9rem;}
.weixin{position:fixed;top:0;right:0;bottom:0;left:0;text-align:center;background:rgba(0,0,0,.8);z-index:9;}
.weixin img{margin:.3rem 0 0 .4rem;width:5.73rem;height:2.65rem;}