html,body{width:100%;height:100%;min-width:1200px}.Download{width:100%;height:100%}.Download .head{position:relative;width:100%;height:325px;background:url('../../img/product/Download/head.jpg') no-repeat center;background-size:cover}.Download .head_content{width:1200px;margin:0 auto;position:absolute;left:50%;top:0;margin-left:-600px}.Download .head_content .text{position:absolute;left:56px;top:100px;font-size:50px;color:#fff;text-align:center}.Download .head_content .img{position:absolute;right:20px;top:80px;width:64%}.Download .bx{width:1200px;margin:0 auto}.Download .Download_list{padding-bottom:60px}.Download .Download_list ul{margin:0 -6px;margin-top:190px;font-size:0}.Download .Download_list li{width:229px;height:229px;margin:0 6px;display:inline-block;vertical-align:top}.Download .Download_list li .download-item{border:1px solid #dfdfdf;-webkit-box-sizing:border-box;box-sizing:border-box;-webkit-transition:all 1s;position:relative;text-align:center;transition:all 1s;display:block;height:100%}.Download .Download_list li:hover .download-item{transform:rotateY(180deg);-moz-transform:rotateY(180deg);-o-transform:rotateY(180deg);-webkit-transform:rotateY(180deg)}.Download .Download_list li:hover .back{z-index:2}.Download .Download_list li .face{position:absolute;width:100%;height:100%;background:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;z-index:1}.Download .Download_list li .face p{font-size:20px;color:#999999;margin-top:10px}.Download .Download_list li .back{transform:rotateY(180deg);-moz-transform:rotateY(180deg);-o-transform:rotateY(180deg);-webkit-transform:rotateY(180deg);background-color:#f5f5f4;width:100%;height:100%;position:absolute;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.Download .Download_list li .back .ewm{width:135px;height:135px;background:#999}.Download .Download_list li .back .ewm img{width:100%}.Download .Download_list li .back p{margin-top:14px;font-size:16px;color:#363434}.Download .Download_list li .last_back .ewm{background:none;margin:0 auto}