.ly_develop_100 .dev_title{text-align: center}.ly_develop_100 .about_cont .section_two .two_title{font-weight:bold;font-size: 48px;color: #111111;line-height: 60px;text-align: center;letter-spacing: 1px}.ly_develop_100 .about_cont .section_two .two_list{padding-top: 0;margin-top: 21px;padding-bottom: 0;position: relative}.ly_develop_100 .about_cont .section_two .two_list::before{position: absolute;left: 50%;content: '';top:0;width: 1px;height: 100%;background: #666666;display: none}.ly_develop_100 .about_cont .section_two .two_list .list{width: 100%;margin-bottom: 30px}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(odd) .item{float: left}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(even) .item{float: right;flex-direction: row-reverse}.ly_develop_100 .about_cont .section_two .two_list .item{width:59.667%;background: #f2f2f2;box-sizing: border-box;padding: 2.2% 2.4% 2%;position: relative;display: flex;justify-content: space-between;min-height: 260px}.ly_develop_100 .about_cont .section_two .two_list .item{transition: all 0.4s ease-out;-moz-transition: all 0.4s ease-out;-ms-transition: all 0.4s ease-out;-o-transition: all 0.4s ease-out;-webkit-transition: all 0.4s ease-out}.ly_develop_100 .about_cont .section_two .two_list .item_title{color: #111111;font-size: 32px;line-height: 1;margin-bottom: 11px}.ly_develop_100 .about_cont .section_two .two_list .item_cont{color: #555555;font-size: 16px;line-height: 30px}.ly_develop_100 .about_cont .section_two .two_list .item .pic_box{width: 48.5%;position: relative}.ly_develop_100 .about_cont .section_two .two_list .item .pic_box_in{position: absolute;bottom: 0;left: 0;width: 100%}.ly_develop_100 .develop_box .dev_item .item_content{line-height: 1.5}.ly_develop_100 .develop_box .dev_item .item_subtitle{line-height: 1.3}.ly_develop_100 .about_cont .section_two .two_list .item .text_box{flex: 1}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(even) .text_box{margin-right: 33px}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(odd) .item::before{position: absolute;content: '';right: -20%;width: 20%;height: 1px;background: #666666;top:50%;z-index: 2;display: none}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(odd) .item::after{position: absolute;content: '';right: -23.2%;width: 13px;height: 13px;border:10px solid #f0f0f0;background: #666666;top:calc(50% - 16px);border-radius: 50%;display: none}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(even) .item::before{position: absolute;content: '';left: -20%;width: 20%;height: 1px;background: #666666;top:50%;display: none}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(even) .item::after{position: absolute;content: '';left: -23.2%;width: 13px;height: 13px;border:10px solid #f0f0f0;background: #666666;top:calc(50% - 16px);border-radius: 50%;display: none}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(odd) .text_box{margin-left: 27px}
.clear{margin:0px auto;clear:both;height:0px;font-size:0px;overflow:hidden}.ly_develop_100 .box_subtitle{margin-top: 5px}.ly_develop_100 .box_content{padding: 22px 12%;line-height: 1.4}@media screen and (max-width: 1290px){
}
@media screen and (max-width: 1220px){.ly_develop_100 .about_cont .section_one .left{width: 50%}.ly_develop_100 .about_cont .section_one .left_title{font-size: 36px;line-height: 50px}.ly_develop_100 .about_cont .section_one .left_cont{font-size: 18px;line-height: 28px}.ly_develop_100 .box_content{padding: 10px 5%;line-height: 1.3}} 
@media (max-width: 1000px){.ly_develop_100 .about_cont .section_two{margin-top: 8vw}.ly_develop_100 .about_cont .section_two .two_title{font-size: 5.333333vw;line-height: 8.0vw}.ly_develop_100 .about_cont .section_two .two_list{margin-top: 6vw;padding: 0}.ly_develop_100 .about_cont .section_two .two_list .item_title{font-size: 5.866667vw;line-height: 8.0vw;margin-bottom: 2vw}
    .ly_develop_100 .about_cont .section_two .two_list .item{padding: 10px;width:100%;flex-direction: column-reverse}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(odd) .item::after{right: -12vw;width: 2.266667vw;height: 2.266667vw;border-width: 2.266667vw;top:calc(50% - 3.266667vw)}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(even) .item::after{left: -11vw;width: 2.266667vw;height: 2.266667vw;border-width: 2.266667vw;top:calc(50% - 3.266667vw)}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(even) .item{flex-direction: column-reverse}.ly_develop_100 .about_cont .section_two .two_list .item_cont{font-size: 3.466667vw;line-height: 5.333333vw}.ly_develop_100 .about_cont .section_two .two_list .item .pic_box{width: 100%}.ly_develop_100 .about_cont .section_two .two_list .item .text_box{width: 100%}.ly_develop_100 .about_cont .section_two .two_list .item .pic_box_in{position: static}.ly_develop_100 .about_cont .section_two .two_list .list{margin-bottom: 16px}.about_cont{margin-bottom: 10.666667vw}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(odd) .text_box{margin-left: 0}.ly_develop_100 .about_cont .section_two .two_list .list:nth-child(even) .text_box{margin-right: 0}.ly_develop_100 .about_cont .section_two .two_list .item .pic_box_in{top: 0;transform: none}}