/* tab */
.tab{width:638px;height:216px;overflow:hidden;margin:40px auto 0 auto;}
.tab .tab_pic ul{height:216px;width:999em;position:relative;}
.tab .tab_pic ul li{float:left;}
.tab .tab_pic ul li a{display:block;}
.tab_pic{float:left;width:216px;height:216px;overflow:hidden;position:relative;}
.tab_txt{float:right;width:413px;height:216px;overflow:hidden;position:relative;background:#faf9f9;}
.tab .tab_pic .prev,.tab .tab_pic .next{display:block;width:31px;height:31px;float:right;margin:0 0 0 1px;overflow:hidden;cursor:pointer;background:url(../images/company/tab_btn.png);}
.tab .tab_pic .next{background-position:31px 0px;}
.tab .tab_txt ul{position:relative;}
.tab .tab_txt ul li{width:95px;height:263px;float:left;}
.tab_san{display:block;width:17px;height:34px;position:absolute;top:29px;right:0;}
.btn_ct{width:216px;height:31px;padding:1px;display:block;position:absolute;left:0;bottom:0;z-index:2;}