.case_cont2 {overflow: hidden; margin:0 auto;width:1200px;}
.sv_mu2 {width:250px; height:690px; margin:0px auto; float:left;}

.sv_mu2 li { height:40px;color:#fff;font-family:"Microsoft Yahei"; font-size:22px; width:230px; text-align:center; margin:10px auto;}
.sv_mu2 li a {display: block; color:#fff;height:40px;width:230px; display:block; background:#505050; font-size:18px; text-decoration:none; line-height:40px;list-style-type:none;transition:all 0.6s linear 0s;}
.sv_mu2 li a:hover, .sv_mu2 .cur2 a {text-decoration: none;color: #fff; background:#239245;height:50px;width:230px; line-height:50px;}

.sv_info2 {width:876px;height:656px; margin:0 auto;float:left; background:#fff; padding:20px; font-size:16px; color:#333; line-height:30px; margin-left:30px; border:solid 2px #ddd;}



/* -- ҳ�����岼�� -- */
.header , .content2 , .content2, .footer { width:100%; margin:0 auto; height:690px; padding:30px 0px;}



.case_cont3 { margin:0 auto;width:1200px;}
.sv_mu3 {width:500px; height:45px; margin:10px auto 10px auto;}

.sv_mu3 li {float:left; height:45px;line-height:45px;color:#000;font-family:"Microsoft Yahei"; font-size:20px; width:150px; text-align:center; margin:0px 8px;}
.sv_mu3 li a {display: block; color:#000;height:45px;line-height:45px;  width:150px; display:block; border:solid 2px #dadada; text-decoration:none;}
.sv_mu3 li a:hover, .sv_mu3 .cur a {text-decoration: none;color: #fff;background:#028729;}

.sv_info3 {width:1200px;height:470px; margin:30px auto;}



/* -- ҳ�����岼�� -- */
 .content2 { width:100%; margin:0 auto;}