@media (min-width:1400px){.sk-container{width:1430px}}.main-body{position:relative;width:100%}.main-body .floor1{position:relative;width:100%;margin-top:45px;margin-bottom:20px}.main-body .floor1:last-child{margin-bottom:40px}.common_top{position:relative;display:-webkit-box;display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;line-height:64px;background-color:#ebf8ff;border-left:9px solid #478fe6;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding:0 14px 0 40px;-webkit-box-pack:justify;-webkit-justify-content:space-between;-moz-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.common_top .title_2 h2 a{font-size:28px}.common_down{position:relative;margin-top:35px;display:-webkit-box;display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap}.common_down .item_sub{position:relative;width:-webkit-calc((100% - 100px)/ 5);width:-moz-calc((100% - 100px)/ 5);width:calc((100% - 100px)/ 5);height:130px;overflow:hidden;margin-bottom:28px;margin-right:25px}.common_down .item_sub .ztemzt_img{position:relative;width:100%;height:100%}.common_down .item_sub .ztemzt_img img{width:100%;height:100%;object-fit:cover;-webkit-transition:all .3s;-moz-transition:all .3s;transition:all .3s}.common_down .item_sub .topic_layer{position:absolute;width:100%;height:100%;top:0;left:0;background:rgba(0,0,0,.3);z-index:9}.common_down .item_sub .topic_layer img{position:absolute;z-index:9;bottom:0;left:0}.common_down .item_sub:hover .ztemzt_img img{-webkit-transform:scale(1.1);-moz-transform:scale(1.1);-ms-transform:scale(1.1);transform:scale(1.1);-webkit-transition:all .3s;-moz-transition:all .3s;transition:all .3s}.common_down .item_sub:nth-child(5n){margin-right:0}@media screen and (max-width:1400px){.common_down .item_sub{width:-webkit-calc((100% - 75px)/ 4);width:-moz-calc((100% - 75px)/ 4);width:calc((100% - 75px)/ 4)}.common_down .item_sub:nth-child(5n){margin-right:25px}.common_down .item_sub:nth-child(4n){margin-right:0}}@media screen and (max-width:992px){.common_down .item_sub{width:-webkit-calc((100% - 50px)/ 3);width:-moz-calc((100% - 50px)/ 3);width:calc((100% - 50px)/ 3)}.common_down .item_sub:nth-child(5n){margin-right:25px}.common_down .item_sub:nth-child(4n){margin-right:25px}.common_down .item_sub:nth-child(3n){margin-right:0}}@media screen and (max-width:768px){.common_top{padding:0 14px 0 20px;line-height:54px}.common_top .title_2 h2 a{font-size:22px}.common_down{margin-top:25px}.common_down .item_sub{width:-webkit-calc((100% - 15px)/ 2);width:-moz-calc((100% - 15px)/ 2);width:calc((100% - 15px)/ 2);margin-right:15px;margin-bottom:15px}.common_down .item_sub:nth-child(5n){margin-right:15px}.common_down .item_sub:nth-child(4n){margin-right:15px}.common_down .item_sub:nth-child(3n){margin-right:15px}.common_down .item_sub:nth-child(2n){margin-right:0}}@media screen and (max-width:500px){.common_down .item_sub{width:-webkit-calc((100% - 15px)/ 1);width:-moz-calc((100% - 15px)/ 1);width:calc((100% - 15px)/ 1);margin-right:15px;margin-bottom:15px}}