.head{width:100%;height:420px;overflow:hidden;background-image:url(../img/bgPro.png);}.head>div{width:1200px;margin:auto;margin-top:67px;}.head_a_a{font-size:42px;font-family:Microsoft YaHei;font-weight:400;color:#FFFFFF;line-height:30px;margin-bottom:40px;margin-top:20px;}.head_a_b{font-size:22px;font-family:Microsoft YaHei;font-weight:400;color:#FFFFFF;line-height:30px;opacity:0.64;margin-top:10px;width:554px;}.head_a{float:left;}.head_b{float:left;margin-left:220px;width:358px;height:293px;}.con{width:100%;height:650px;}.con_a{width:1200px;margin:auto;}.con_a>div{width:600px;float:left;}.con_a>img{width:600px;float:left;}.con_a_a{font-size:26px;font-family:Microsoft YaHei;font-weight:400;color:#333333;line-height:30px;margin-top:210px;}.con_a_b{font-size:16px;font-family:Microsoft YaHei;font-weight:400;color:#333333;width:420px;line-height:22px;margin-top:30px;}.con_a_c{margin-top:65px;width:287px;height:80px;}#con1{height:580px;background-image:url(../img/bgproi.png);}#con_a_img{height:580px;}#con_a_img>img{margin-top:100px;}#con_a_a{margin-top:120px;}