.act_nav{background:url(../images/bottom.png) no-repeat top center; height: 74px; position: fixed; left: 0; bottom: 0; z-index: 500; width: 100%;}
.act_nav .event_content{height: 74px;width:985px; margin:0 auto; text-align:left; position:relative; }
.act_nav .event_content a,.act_nav .event_content p{ display: block;height: 61px; float: left; text-indent: -9999px; outline: none; }
.act_nav .event_content p {width:170px; margin-left:10px;}
.act_nav .event_content p a{ width: 77px; height: 20px; margin-left:5px;}

/*右侧悬浮*/
.left_nav{width:109px; height:503px; position:fixed; left:50%; margin-left:-760px; z-index:1000; display:none; background:url(../images/left.png) no-repeat}
.left_nav a{display:block}