.index_focus { position: relative; width: 100%; height: 620px; margin: 0 auto; overflow: hidden;}
.index_focus .bd li { display: none; position: absolute; width: 100%; height: 620px; left: 0; top: 0;}
.index_focus_post { z-index: 10;}
.index_focus .pic { height: auto; display: block;}
.index_focus .pic:hover { text-decoration: none;}
.index_focus .slide_nav { position: absolute; left:50%; bottom:10px; margin-left:-36px; }
.index_focus .slide_nav a { cursor:pointer; float:left; font-size:28px; font-family: arial; color: #fff; padding:5px;}
.index_focus .slide_nav li:hover,.index_focus .slide_nav .on{text-decoration: none;color: #5098ca;filter: alpha(opacity=80);opacity: 0.9;}
.index_focus_pre,.index_focus_next { display: none; position: absolute;
    top: 50%; margin-top: -36px; width: 72px; height: 72px; text-indent: 100%; white-space: nowrap;
    overflow: hidden; z-index: 10; background: url(../images/ico_sliding.png) no-repeat;
}
.index_focus_pre { left: 30px; background-position: 0 0;}
.index_focus_pre:hover { background-position: 0 -144px; }
.index_focus_next { right: 30px; background-position: 0 -72px;}
.index_focus_next:hover { background-position: 0 -216px;}