@charset "utf-8";
#cases{width:1200px;margin:0 auto;position: relative;overflow: hidden;}
#cases_top{margin:0 auto;height:123px;text-align:center;}
#cases_title{font-size:23px; color:#333; font-weight:600;  line-height:68px;font-family: 微软雅黑;}
#cases_top p{font-size:17px;color:#888;}
.cases_nav{height:88px;padding-left: 193px;padding-top:18px;}
.cases_nav li{float:left;margin-right:12px;list-style-type: none;}
.cases_nav li a{display: block;padding:8px 15px;text-align: center;background:#999;color:#fff;text-decoration:none;}
.cases_nav li a:hover{background:#0075C4;}
#cases_list li{float:left;margin-right:12px;width:285px;height:280px;margin-bottom: 28px;}
#cases_list li a{text-decoration: none;}
#cases_list li a img{width:285px;height:240px;}
#cases_list li a span{display:block;background:#efefef;color:#333;text-align:center;line-height:38px;}
#cases_list li a:hover span{background:#B5E1FF;color:#333;}