* {margin:0px; padding:0px; list-style: none;}

.adimg{width:100%;padding-top:0}

#ad_box {width:100%; height:500px; background:#fff; margin:0 auto; position: relative; overflow: hidden;z-index:5000;}

#ad_list {width:100%;position:absolute; left:0; top:0;}

#ad_list li {width:100%; cursor: pointer;}

#ad_list img{object-fit:cover;width:100%;height:500px;}

#ad_num {position: absolute; right:10px; bottom:10px;}

#ad_num li {width:16px; height:16px; float:left; margin-right:2px; color:#fff; cursor: pointer; font-size: 12px; font-family:'Arial'; line-height:16px; text-align: center; }

.ad_active {background:#ff6600;}