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

 功能：头部样式表
 技术支持：深圳互航科技(申剑宏 QQ1355365789) 
 
 ******************************************************/
.header{}
.head_a{ background:url(../images/pic_02.png); height:32px;}
.head_b{ overflow:hidden;}
.head_b h1{ float:left; width:222px; height:76px; padding:22px 0 0 0;}
.head_b .link{ height:25px; line-height:25px; float:right; padding-top:5px; padding-right:15px;}
.head_b .link a{ display:block; height:25px; float:left; padding-left:18px; margin-left:10px;}
.head_b .link .t1{ background:url(../images/pic_09.png) left center no-repeat;}
.head_b .link .t2{ background:url(../images/pic_06.png) left center no-repeat;}
.head_b .link .t3{ background:url(../images/cn.gif) left center no-repeat;}
.head_b .link .t4{ background:url(../images/us.gif) left center no-repeat;}
.nav{ height:74px; line-height:74px; float:right;}
.nav ul li{ float:left; height:74px;}
.nav ul li a{ display:block; height:74px; padding:0 31px; font-size:14px;}
.nav ul li a.active,.nav ul li a:hover{ background:url(../images/pic_17.png) center no-repeat; color:#fff;}