@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes fadeInLeft{from{transform:translateX(-200px)}to{transform:translateY(0)}}@keyframes fadeInRight{from{transform:translateX(200px)}to{transform:translateY(0)}}@keyframes fadeInUp{from{transform:translateY(100px)}to{transform:translateY(0)}}.aboutUs{overflow:hidden;visibility:hidden}.aboutUs .about-us-section{width:1110px;margin:auto}.aboutUs #header{background-color:#fcfcfd}.aboutUs .about-us-section1{height:1200px;width:100%;overflow:hidden;background-color:#fcfcfd}.aboutUs .about-us-section1 .title{letter-spacing:5px;text-align:center;line-height:64px;margin:209px 0 66px;font-family:PingFangSC-Medium;font-size:64px;color:#23262f;font-weight:500;animation:fadeInLeft .6s linear}.aboutUs .about-us-section1 .desc{width:755px;margin:auto;letter-spacing:1px;line-height:28px;font-family:PingFangSC-Regular;font-size:16px;color:#353945;font-weight:400;animation:fadeInRight .6s linear}.aboutUs .about-us-section1 .img-wrap{height:598px;margin-top:89px;display:flex}.aboutUs .about-us-section1 .img-wrap img{width:453px;height:100%}.aboutUs .about-us-section1 .img-wrap .img-right-wrap{display:flex;flex-wrap:wrap;margin-left:46px}.aboutUs .about-us-section1 .img-wrap .img-right-wrap img{width:282px;height:282px}.aboutUs .about-us-section1 .img-wrap .img-right-wrap img:nth-child(2),.aboutUs .about-us-section1 .img-wrap .img-right-wrap img:nth-child(4){margin-left:37px}.aboutUs .about-us-section1 .img-wrap .img-right-wrap img:nth-child(3),.aboutUs .about-us-section1 .img-wrap .img-right-wrap img:nth-child(4){margin-top:34px}.aboutUs .about-us-section2{margin-top:100px;overflow:hidden;position:relative}.aboutUs .about-us-section2 .title{text-align:center;line-height:58px;font-family:PingFangSC-Regular;font-size:48px;color:#333;font-weight:400}.aboutUs .about-us-section2 .card{width:602px;display:flex;flex-wrap:wrap;justify-content:space-between;position:absolute;top:173px}.aboutUs .about-us-section2 .card .time-wrap{background:rgba(242,246,255,.3);border-radius:10px;position:relative;width:285px;height:131px;padding:35px 20px;box-sizing:border-box}.aboutUs .about-us-section2 .card .time-wrap:nth-of-type(2) p:last-child{letter-spacing:1px;margin-top:8px;font-family:PingFangSC-Medium;font-size:14px;color:#858a8f;font-weight:500}.aboutUs .about-us-section2 .card .time-wrap:nth-of-type(3){margin-top:50px}.aboutUs .about-us-section2 .card .time-wrap .time{position:absolute;letter-spacing:1px;text-align:center;background:#377dff;border-radius:4px;width:84px;height:38px;line-height:38px;top:-19px;left:20px;font-family:PingFangSC-Medium;font-size:14px;color:#fff;font-weight:500}.aboutUs .about-us-section2 .card .time-wrap .desc{letter-spacing:1.12px;text-align:justify;line-height:28px;font-family:PingFangSC-Medium;font-size:18px;color:#23262f;font-weight:500}.aboutUs .about-us-section2 .step-img{width:100%;margin-top:95px}.aboutUs .about-us-section2 .code-img{width:175px;height:80px;float:right;margin-bottom:107px}.aboutUs .about-us-section3{width:100%;background:#fcfcfd;overflow:hidden}.aboutUs .about-us-section3 .title{text-align:center;line-height:58px;margin:112px 0 118px;font-family:PingFangSC-Regular;font-size:48px;color:#333;font-weight:400}.aboutUs .about-us-section3 .map-wrap{width:1110px;height:497px;margin:auto;background:#fff;box-shadow:0 54px 50px 0 rgba(67,67,68,.02);border-radius:16px}.aboutUs .about-us-section3 .map-wrap .map{height:389px;border-radius:16px 16px 0 0}.aboutUs .about-us-section3 .map-wrap .address{height:108px;letter-spacing:1.12px;text-align:justify;line-height:108px;margin-left:60px;font-family:PingFangSC-Regular;font-size:18px;color:#353945;font-weight:400}.aboutUs .about-us-section4{background:#fcfcfd;width:100%;height:448px;overflow:hidden}.aboutUs .about-us-section4 .title{letter-spacing:1px;text-align:center;line-height:28px;margin:150px 0 36px;font-family:PingFangSC-Medium;font-size:16px;color:#353945;font-weight:500}.aboutUs .about-us-section4 .desc{width:731px;margin:auto;letter-spacing:1px;text-align:justify;line-height:28px;font-family:PingFangSC-Regular;font-size:16px;color:#353945;font-weight:500}.aboutUs .about-us-section4 .intro{display:block;width:1110px;margin:0 auto}.aboutUs .about-us-section4 .intro p{text-indent:32px}