img{max-width:100%;}
.clearfix:before{content:'';display:table;}
.clearfix:after{content:'';display:table;clear:both;}
.news_show .intro{border-bottom:1px solid #dedede;margin-bottom:20px;padding-bottom:20px;}
.home_nav ul li a.on{color:#2384D5;border:1px solid #2384D5;}