.our-advantage-img{width:100%;background:#DBDBDB}.develop-box{margin-right:11%;margin-left:16%;padding-top:98px;margin-bottom:109px;position:relative}.develop-box .develop-title{font-size:20px;font-weight:700;color:#073B66;line-height:32px}.develop-box .develop-title span:last-of-type{font-size:16px;font-weight:400;margin-left:16px}.develop-history-map{position:relative}.world-history-map{width:1162px;position:absolute;right:0;top:139px}.develop-history-map .year-event{position:relative;z-index:3;display:flex}.year-event .left-year{font-size:110px;line-height:1.15;color:#073B66}.year-event .year{cursor:pointer}.left-year .active-year{color:#fff;margin-right:10px}.year-event .right-event{margin-top:156px;margin-left:80px;color:#073B66}.right-event .event-icon{width:40px;margin-bottom:10px}.right-event .event-title{font-size:18px;line-height:24px}.right-event .event-sub{font-size:16px;font-weight:400;line-height:24px}.opacity-hide .active-year{opacity:0!important}