.case_cont3 {overflow: hidden; margin:30px auto; width:1200px;}
.sv_mu3 {width: 298px; height:600px; float:left; background:url(images/44.png) left repeat-y;}

.sv_mu3 li { width:298px;height:50px;color:#000;font-size:18px;overflow: hidden;display:block;}
.sv_mu3 li a {display: block;width:278px; line-height:50px; height:50px; text-align:left;color: #fff;font-family: "Microsoft Yahei"; font-weight: normal; text-decoration: none; padding-left:20px;}
.sv_mu3 li a:hover, .sv_mu .cur a {text-decoration: none;color: #fff; font-weight:bold; height:50px;background:url(images/33.jpg) left repeat-y;}

.sv_info3 { float:left; width:860px; height:550px; padding:20px;}

.sv_info3 h2 {font-size:20px; font-family:"Microsoft YaHei";color: #c90304; line-height:40px;}
.sv_info3 { font-size:16px; font-family:"Microsoft YaHei";color: #333; line-height:26px;}






/* -- 页面整体布局 -- */
.header , .content3 , .footer { width:1200px; margin:0 auto;}