.business_support_banner{width:100%;margin:0 auto}.business_support_banner .banner_list{width:100%;height:540px;position:relative}.business_support_banner .abstract_banner{background:url(../images/wzbanner1.png) no-repeat center center}.business_support_banner .team_banner{background:url(../images/wzbanner02.png) no-repeat center center}.business_support_banner .trends_banner{background:url(../images/wzbanner03.png) no-repeat center center}.business_support_banner .culture_banner{background:url(../images/banner01.png) no-repeat center center}.business_support_banner .active_banner{background:url(../images/banner02.png) no-repeat center center}.business_support_banner .about_us_banner{background:url(../images/joinbanner.png) no-repeat center center}.business_support_banner .join_us_banner{background:url(../images/banner02.png) no-repeat center center}.business_support_nav{background:#fff;width:100%;height:76px}.business_support_nav .nav_con{margin:0 auto;}.business_support_nav .nav_con .nav_list{width:100%;margin-top:44px;margin-left:62px;overflow:hidden}.business_support_nav .nav_con .nav_list li{float:left;margin-left:20px}.business_support_nav .nav_con .nav_list li.active{border-bottom-style:solid;border-bottom-color:#025ee3;border-bottom-width:1.6px}.business_support_nav .nav_con .nav_list li.active a{color:#025ee3}.business_support_nav .nav_con .nav_list li a{height:44px;line-height:44px;display:block;font-size:18px;color:#4b6a99;text-align:center}.business_support_nav .nav_con .nav_list li a:hover{color:#025ee3}.business_support_nav .nav_con .nav_list #join_one{border-left-style:none}.business_support_nav .nav_con .nav_list .join_line{width:1px;height:32px;background-color:#e5e8ed;margin-top:10px}