.ly_develop_3{overflow: hidden;position: relative;z-index: 1}.ly_develop_3 .content_po{position: absolute;top: 0;left: 0;z-index: 99;width: 100%}.ly_develop_3 .container{width: 1440px;max-width: 1440px;margin: 0 auto}.ly_develop_3 .t_title{text-align: left;line-height: 1.2}.ly_develop_3 .container .dev_title .box_content{margin-top: 17px;line-height: 1.5;width: 55%}.ly_develop_3 .container .dev_title{height: 430px;max-height: 430px;display: flex;flex-direction: column;justify-content: center}.ly_develop_3 .dev_title .img{height: 430px;border-radius: 14px;max-height: 430px;overflow: hidden;width: max-content}.ly_develop_3 .container .dev_title h2{font-weight: bold}.ly_develop_3 .container .develop_box{width: 75%;margin: 100px auto 0;font-size: 0;position: relative;}.ly_develop_3 .container .develop_box .dev_item{width: 100%;display: inline-block;vertical-align: top}.ly_develop_3 .container .develop_box .dev_item .box{display: flex;align-items: center;justify-content: space-between}.ly_develop_3 .container .develop_box .dev_item .box .pic_box{width: 480px}.ly_develop_3 .container .develop_box .dev_item .box .text_box{width: 45.83%}.ly_develop_3 .container .develop_box .dev_item .box .text_box .item_content{margin-top: 15px;line-height: 1.5}.ly_develop_3 .container .develop_box .srcoll_list>a{width: 50px;height: 50px;position: absolute;top: 50%;border-radius: 3px;background-color: #7f7f7f;transform: translateY(-50%);font-family: "iconfont" !important;font-size: 24px;font-style: normal;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;transition: .4s}.ly_develop_3 .container .develop_box .srcoll_list>a:before,
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@media screen and (max-width: 1480px){.ly_develop_3 .container{width: 1200px;max-width: 1200px}.ly_develop_3 .container .develop_box .dev_item .box .pic_box{width: 450px}}

@media screen and (max-width: 1220px){.ly_develop_3 .container{width: 100%;max-width: 980px}.ly_develop_3 .container .time_box .dev_item .item_subtitle span{padding: 10px 20px}.ly_develop_3 .container .develop_box .dev_item .box .pic_box{width: 360px}}
@media screen and (max-width: 1000px){.ly_develop_3 .img_box .develop_box .dev_item .pointer{margin-top: 15px;margin-left: 15px;width: 15px;height: 15px;outline: 6px solid #fff}.ly_develop_3 .develop_box .dev_item .item_content{margin-top: 10px;margin-left: 5px}.ly_develop_3 .develop_box .dev_item .item_content b{font-size: 14px}.ly_develop_3 .container{max-width: 89%}.ly_develop_3 .container .dev_title .box_content{margin-top: 12px;width: 100%}.ly_develop_3 .container .develop_box{margin: 50px auto 0;width: 100%}.ly_develop_3 .container .develop_box .dev_item .box{flex-wrap: wrap}.ly_develop_3 .container .develop_box .dev_item .box .pic_box{margin: 0 auto;width: 450px;max-width: 75%}.ly_develop_3 .container .develop_box .dev_item .box .text_box{margin-top: 45px;width: 100%}.ly_develop_3 .container .time_box{margin-top: 36px;width: 100%}.ly_develop_3 .container .time_box .dev_item .item_subtitle{margin-top: 18px}.ly_develop_3 .container .time_box .dev_item .pointer:before{width: 12px;height: 12px}.ly_develop_3 .container .button{margin-top: 35px}.ly_develop_3 .container .develop_box .srcoll_list>a{width: 35px;height: 35px}.ly_develop_3 .container .develop_box .srcoll_list>a:before, 
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    .ly_develop_3 .dev_title .img{width: 100%;height: 100%;max-height: 100%}.ly_develop_3 .img_box .public_img{width: 100%}.ly_develop_3 .container .dev_title{height: 100%;max-height: 100%}.ly_develop_3 .dev_title .img img{width: 100%}.ly_develop_3 .img_box{overflow: hidden;overflow-x: none;margin-top: 0}}