.act{width:100%;float:left;z-index:0;padding:0 20px;padding-bottom:10px;-webkit-box-sizing:border-box;box-sizing:border-box}.act_content{width:100%;max-width:1200px;margin:auto}.act_content_no{width:100%;height:50px}.act_content_block{width:calc((100% - 10px * 4) / 3);height:390px;margin-top:10px;margin-left:10px;float:left;-webkit-box-sizing:border-box;box-sizing:border-box;border:1px solid #eee}.act_content_block_img{width:300px;height:225px;margin:auto;margin-top:20px;display:block}.act_content_block_title{width:300px;height:50px;margin:auto;margin-top:20px}.act_content_block_btn{width:150px;height:50px;border:2px solid #2ea3f2;-webkit-box-sizing:border-box;box-sizing:border-box;border-radius:5px;margin:auto;cursor:pointer}.act_content_detail{width:calc(100% - 10px * 2);margin-left:10px;margin-top:10px;float:left;-webkit-box-sizing:border-box;box-sizing:border-box;border:1px solid #eee;display:none;padding-bottom:20px}.act_content_detail_title{width:100%;height:50px;margin:auto;margin-top:20px}.act_content_detail_title_left{width:calc(100% - 50px * 2 - 20px * 2);margin-left:50px;float:left}.act_content_detail_title_right{width:50px;height:50px;float:left}.act_content_detail_img{width:calc(300px * 1.5);height:calc(225px * 1.5);margin:auto;margin-top:20px;display:block}.act_content_detail_imgs{width:calc(300px * 0.5 * 4 + 10px * 5);height:calc(225px * 2 * 0.5 + 10px * 3);margin:auto;margin-top:20px;overflow:hidden}.act_content_detail_imgs_icon{width:calc(300px * 0.5);height:calc(225px * 0.5);margin-left:10px;margin-top:10px;float:left;display:block}.act_content_detail_text{width:70%;height:100px;margin:auto;margin-top:20px}.act_content_detail_btn{width:150px;height:50px;border:2px solid #2ea3f2;-webkit-box-sizing:border-box;box-sizing:border-box;border-radius:5px;margin:auto;margin-top:20px;display:block;cursor:pointer;text-decoration:none}.largeImage{position:absolute;top:0;left:0;width:100%;height:100%;display:none}.largeImage_background{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5)}.largeImage_content{position:absolute;width:1200px;height:calc(1200px / 4 * 3);left:calc((100% - 1200px) / 2);top:calc((100% - (1200px / 4 * 3)) / 2);display:block}