@charset "utf-8";
/* CSS Document */

.go_top{width:49px; height:49px; position:fixed; right:2%; bottom:2%; z-index:555; background:url(../images/top.png) center no-repeat; cursor:pointer;}

.heading{width:100%; height:740px; position:fixed;}
.t_nan {width:100%; position:absolute; left: 0; top: 0; z-index: 222; }
.head{width:100%; height: 95px; }
.head_nav{max-width:1280px; margin: 0 auto; position:relative;}
.navBg { background: #fff !important }
.tn_logo {width:400px; height:95px; left: 0; top: 0px; position:absolute;}
.tn_logo_1 {width:160px; height:42px; left: 0; top: 42px; position:absolute; background:url(../images/logo_1.png) center no-repeat;}
.logo_img{ background:url(../images/logo.png) center no-repeat;}
.logo_img_1{ background:url(../images/logo_1.png) center no-repeat;}
.nav_f ul li a{ font:18px/32px ''; color: #fff; font-weight:bold; }
.nav_f ul li a:hover{color: #8a8989; }
.nav_h ul li a{ font:18px/32px ''; color: #8a8989; font-weight:bold; }
.nav_h ul li a:hover{color: #000000; }
.tn_daohang { height: 32px; right:60px; top: 32px; position:absolute;}
.tn_daohang ul li { display: block; width: 105px; height: 32px; float: left; text-align:left;}

.kuaijie{/*width:60px;*/ height:32px; right:0; top: 56px; position:absolute;}
.sousuo{width:40px; height:32px; float:left;}
.sousuo_img{ background:url(../images/sousuo_1.png) left center no-repeat;}
.sousuo_img_1{ background:url(../images/sousuo.png) left center no-repeat;}
.mb_nav{width:13px; height:32px; float:left; display:none;}
.mb_nav_img{ background:url(../images/nav.png) right center no-repeat;}
.mb_nav_img_1{ background:url(../images/nav_1.png) right center no-repeat;}
.sousou_k{width:100%; height:44px; background:#414141; display:none;}
.w_mr{width:1280px;}
.w_80{width:93%; padding:0 1%; height:30px; margin-top:7px; border:none; background:#3a3a3a; color:#999999; border-radius:5px 0 0 5px ; -moz-border-radius:5px 0 0 5px; /* Old Firefox */ cursor:pointer;}
.head_but{width:5%; height:30px; margin-top:7px; float:right;border:none; background:url(../images/sousuo.png) center no-repeat #373737; color:#999999; border-radius:0 5px 5px 0; -moz-border-radius:0 5px 5px 0; /* Old Firefox */}
.mb_nav_ul{ display:none;}