@charset "utf-8"
*{
    -webkit-animation-duration: 2.5s;
    animation-duration: 2.5s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}
/*头部+尾部*/
.head{width: 100%;position: fixed;top: 0;left: 0;z-index: 9;height: 82px;background:rgba(0,0,0,.8);}
.head .logo{display: block;height: 82px;line-height: 82px;width: 34px;float: left;}
.logo img{width: 100%;}
.head .search_div{float: right;position: relative;margin-top: 30px;}
.search_div .search_icon{
    display: block;height: 52px;width:30px;cursor: pointer;
    background: url("../images/search_01.png") right center no-repeat;
}
.search_div .search_box{
    position: relative;right: 0;top:-44px;width: 0;overflow: hidden;height: 36px;transition: all 1s;z-index: 11;
}
.search_div .search_box.openS{width: 400px;}
.search_box input[type="text"]{
    width: calc(100% - 40px);height: 36px;padding-left: 10px;float: left;
}
.search_box input[type="button"]{
    width: 40px;height: 36px;cursor: pointer;float: left;
    background: #666 url("../images/search_00.png") center no-repeat;
}
.nav_btn{display: none;width:0.8rem;padding: 0.34rem 0;height:1rem;box-sizing: border-box;float:right;}
.nav_btn span{display: block;margin:0.1rem auto;}
.nav_btn:after,.nav_btn:before{content:" ";margin: auto;}
.nav_btn span,.nav_btn:after,.nav_btn:before{
    display: block;width: 0.4rem;height:0.04rem;transition: all .3s;
    background-color:#efefef;border-radius: 0.05rem;position: relative;
}
.nav_btn.openNav span{opacity: 0;}
.nav_btn.openNav:before{transform: rotate(45deg);top:0.14rem;}
.nav_btn.openNav:after{transform: rotate(-45deg);bottom:0.14rem;}
.close_div{position: fixed;width: 100%;height: 100%;top: 0;;left: 0;display: none;z-index: 10;background: rgba(0,0,0,.5);}
.nothing_top{height: 82px;}
.head .nav{float: right;margin-top: 30px;position: relative;z-index: 13;}
.nav li{float: left;}
.nav li.nav_search{display: none;}
.nav li>a{display: block;padding: 0 14px;line-height: 52px;font-size: 15px;color:#efefef;}
.foot{background: #f4f4f4;padding: 60px 0;}
.foot .foot_nav{margin-bottom: 60px;}
.foot_nav dl{float: left;margin-right: 140px;}
.foot_nav dl dt>a{display: block;line-height: 38px;font-size: 14px;color:#727171;font-weight: bold;}
.foot_nav dl dd>a{display: block;font-size: 13px;color:#727171;line-height: 30px;}
.foot .foot_other{font-size: 12px;color:#666;line-height: 28px;}
.foot_other span,.foot_other a{color:#e37600;}
.foot .bottom{line-height: 30px;border-top: 1px solid #d3d3d3;}
.bottom .copyright{font-size: 12px;color:#666;float: left;}
.bottom .net_nav{margin-left: 20px;font-size: 14px;color:#bfbfbf;float: left;}
.net_nav a{font-size: 12px;color:#666;display: inline-block;padding: 0 5px;}
.bottom .language{
    float: right;font-size: 12px;color:#666;padding-left: 25px;
    background: url("../images/icon_CN.png") left center no-repeat;
}
.to_top{
    width: 30px;height: 30px;position: absolute;right:0;top: 0;
    background:url("../images/to_top.png") center no-repeat;cursor: pointer;
}