.banner{z-index:-1;margin-top:-485px;width:100%;height:500px;overflow:hidden;position:absolute;cursor:pointer}.banner .img{width:30000px;position:absolute;left:0;top:0}.banner .img li{float:left;list-style:none}.banner .img li img{width:1366px}.banner_mask{z-index:1;width:927px;height:497px;position:absolute;cursor:pointer;margin-left:246px;margin-top:-483px}.banner_btn .num{cursor:pointer;z-index:10;position:absolute;width:100%;bottom:-120px;left:0;text-align:center;font-size:0}.banner_btn .num li{z-index:20;border:2px solid #a2a2a2;opacity:.5;filter:alpha(opacity=50);-moz-opacity:.5;width:18px;height:18px;background:#a2a2a2;border-radius:50%;display:inline-block;margin:10px 10px;cursor:pointer}.banner_btn .num li.on{background:#fff}.lunbo_up_img{position:absolute;margin-top:290px;margin-left:942px}.lunbo_up_img div{background-color:#fff;opacity:.9;width:220px;height:235px;margin-bottom:10px;cursor:pointer}.lunbo_up_img div:hover{opacity:1;background-color:#ff1493;transition:all .4s ease-in}.lunbo_up_img div img{width:220px;height:235px}