ul#topnav li a:hover{color:#fff;}
.rotaion_list{width:100%;height:auto;}
.rotaion_list li{right:0;}
.yx-rotaion{height:auto !important;padding-top:23%;}
.rotaion_list .rotaion_img{height:auto;}
.tplj{width: 620px;float: left;margin-top: 30px;}
.tplj li{width: 50%;float: left;}
.tplj li img{max-width:100%;}