.case_cont {overflow: hidden; width:840px;}
.sv_mu {width: 840px; height:45px;background:url(../images/bq11.jpg) repeat-x;}

.sv_mu li { width:150px;height:45px;color:#000;font-family: "Microsoft Yahei"; font-weight:bold; font-size:16px;overflow: hidden; float:left;}
.sv_mu li a {display: block;width:150px; line-height:45px; height:45px; text-align:center;color: #000;background:url(../images/bq11.jpg) repeat-x;width:150px;}
.sv_mu li a:hover, .sv_mu .cur a {text-decoration: none;color: #fff;background:url(../images/bq22.jpg) repeat-x;width:150px;}

.sv_info {width: 798px;height:345px;border: 1px solid #ddd; padding:10px 20px;}

.sv_info h2 {font: bold 18px "Microsoft YaHei";color: #d90400; line-height:40px;}
.sv_info {font: normal 14px "Microsoft YaHei";color: #666; line-height:26px;}







/* -- 页面整体布局 -- */
.header , .content , .footer { width:840px; margin:0 auto; }