@charset "utf-8";
body{min-width:840px;font-size: 12px;overflow-x:hidden;} 
img {border:0;}

.nav{width:840px;float:right;}
.nav ul{width:840px;list-style:none;margin:0 auto;padding:0px;}
.nav li{width:105px;list-style:none;margin:0 5px 0 6px;float:left;text-align:center;/*position:relative;*/}
.nav a{width:105px;height:40px;padding-top:30px;display:block;font-size:18px;font-weight:bold;/*overflow:hidden;*/}

.nav li a:after{content: "";display: block;position: absolute;left: 50%;right: 50%;
	bottom: -3px;height: 3px;opacity: 0;background-color: #dc6103;-webkit-transition: all .5s;
	-o-transition: all .5s;-ms-transition: all .5s;transition: all .5s;}
.nav li a:hover:after{left: 1%;right: 1%;opacity: 1;-webkit-transition: all .5s;-o-transition: all .5s;
	-ms-transition: all .5s;transition: all .5s;}

.nav .sub{display:none;width:100%;padding:0;position:fixed;top:135px;overflow:hidden;
	text-align:left;z-index:50;left:0px;background-color:#f5f5f5;}
.nav .sub .nav_xiao{width:840px;overflow:hidden;padding-top:5px;margin:0 auto;padding-bottom:5px;}

.nav .sub .nav_xiao .xiao_three{width:840px;float:right;overflow:hidden;}
.nav .sub .nav_xiao .xiao_three ul{width:840px;}
.nav .sub .nav_xiao .xiao_three ul li{float:left;display:inline;width:40px;height:160px;overflow:hidden;
	margin-right:19px;text-align:center;position:inherit;line-height:46px;margin-left:0px;}
.nav .sub .nav_xiao .xiao_three ul li img{width:100%;height:100px;display:block;}
.nav .sub .nav_xiao .xiao_three ul li a{color:#686868;width:100%;font-size:14px;height:100%;padding-top:17px;}
.nav .sub .nav_xiao .xiao_three ul li a:hover{color:#f3782a;}
.nav .sub .nav_xiao .xiao_three ul li:hover img{opacity: 0.8;filter: alpha(opacity=80);}
.nav .sub .nav_xiao .xiao_three ul.nav_wechat li{width:195px;}
.nav .sub .nav_xiao .xiao_three ul.nav_wechat li img{width:195px;height:138px;}