*{padding:0;margin:0; font-family: Microsoft Yahei;}
ul,li,a{list-style:none;text-decoration: none;}
.mask{ width: 100%;height: 100%; position: fixed;top: 0;display: none;background:#000;opacity:0.6;z-index:10}
.head{width: 100%;height: 1.8rem;position: fixed; z-index: 10;background: #fff;}
.head .logo{float:left;}
.head .logo .bsIcon{display:block; background:url(../../phone/images/logo.png) no-repeat;float:left; width:1.4rem; height:1.4rem; background-size:100%;}
.topLogo{width: 5rem;height: 1.4rem;float: left;margin-left: 0.35rem;margin-top: 0.3rem;}
.topLogo .txt{float:right; width:3.4rem;}
.txt span{display:block;float:left; width:2.8rem; font-size:0.4375rem;}
.bs_nav{float: right;width: 1.1rem;height: 1.4rem;margin-right: 0.35rem;padding-top: 0.3rem;}
.bs_nav span{display: block;float: left;height: 0.154rem;width: 1rem;background: #878787;margin-top: 0.16rem;border-radius: 10px; }
.headerNav{display: none; position: absolute;right: 0rem;top: 1.79rem; z-index: 10;text-align: center;width:5.45rem;height:auto;}
.headerNav ul{ background: #fff;border-radius: 0 0 0.1rem .1rem;}
.headerNav li{width:100%;}
.headerNav li a{border-bottom:1px solid #ddd; font-size: 0.5rem;color: #333;display: block;width: 100%;line-height: 1.25rem;height: 1.25rem;}
.headerNav li:last-child a{border:none;}
.headerAera{height:1.8rem;}