html{font-family:'Microsoft YaHei',  Arial, sans-serif;height:100%;outline:0;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-webkit-tap-highlight-color:rgba(0, 0, 0, 0);}
body{font-family:'Microsoft YaHei',  Arial, sans-serif;max-width:750px;height:100%;margin:0 auto;-webkit-user-select:auto;-webkit-text-size-adjust:100% !important;-moz-text-size-adjust:100% !important;background-color: #fff;}
.fl{float:left;}
.fr{float:right;}
.clearfix{clear:both;overflow:hidden;_zoom:1;}
.clearfix:before,.clearfix:after{display:table;content:'';}
.clearfix:after{clear:both;}
.img-responsive{display:block;width:100%;vertical-align:middle;}
.img-common{display:block;width:100%;}

/**
 * 首页CSS
 */
.index{position:relative;overflow-y:scroll;width:7.5rem;height:auto;-webkit- -webkit-overflow-scroll:touch;}
.invite-btn{
  position: absolute;
  top: 11.95rem;
  left: 50%;
  z-index: 10;
  margin-left: -3.245rem;
  display: block;
  width: 6.49rem;
  height: 1.1rem;
}