.aboutUs .con-box {
  width: 90%;
  margin: 0 auto;
}
.aboutUs .publicTitle {
  position: relative;
  line-height: 1.2;
  font-size: 35px;
  color: #454547;
  padding: 50px 30px;
  z-index: 2;
}
.aboutUs .publicTitle span {
  text-transform: uppercase;
  display: block;
}
.aboutUs .first {
  position: relative;
  background: #000011;
  color: #fff;
  height: 800px;
  overflow: hidden  ;
}
.aboutUs .first .con-box {
  position: relative;
  width: 1650px;
  height: 100%;
  min-height: 100%;
}
.aboutUs .first .top-con {
  position: relative;
  width: 100%;
  padding-top: 25vh;
  line-height: 1.6;
  z-index: 2;
  -webkit-transition: all 0.3s !important;
  -moz-transition: all 0.3s !important;
  -ms-transition: all 0.3s !important;
  -o-transition: all 0.3s !important;
  transition: all 0.3s !important;
}
.aboutUs .first .top-con h2,
.aboutUs .first .top-con p {
  position: relative;
}
.aboutUs .first .top-con h2 {
  font-size: 40px;
  font-weight: 300;
}
.aboutUs .first .top-con h2 span {
  font-family: UntitledSans, sans-serif;
}
.aboutUs .first .top-con p {
  font-size: 18px;
}
.aboutUs .first .top-con p span {
  display: none;
}
.aboutUs .first .timeline {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  top: auto;
  bottom: 10vh;
  z-index: 2;
  width: 100%;
}
.aboutUs .first .timeline .time-item {
  position: relative;
  float: left;
  text-align: center;
  font-size: 18px;
  margin-left: 96px;
}
.aboutUs .first .timeline .time-item::before {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  right: auto;
  left: -53px;
  content: '';
  width: 10px;
  height: 10px;
  display: block -webkit-border-radius: 50% !important; -moz-border-radius: 50% !important; border-radius: 50% !important;;
  background: #fff;
}
.aboutUs .first .timeline .time-item .time-title {
  position: relative;
  height: 50px;
  margin-bottom: 10px;
  min-width: 140px;
}
.aboutUs .first .timeline .time-item .time-title span {
  position: absolute;
  bottom: 0;
  display: block;
  line-height: 20px;
  height: 20px;
  width: 100%;
}
.aboutUs .first .timeline .time-item .time-title img {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  width: 140px;
}
.aboutUs .first .timeline .time-item p {
  width: 100%;
  padding-top: 8px;
  line-height: 24px;
}
.aboutUs .first .timeline .time-item p span {
  display: none;
}
.aboutUs .first .timeline .time-item.box1 {
  margin-left: 0;
}
.aboutUs .first .timeline .time-item.box1::before {
  display: none;
}
.aboutUs .first .timeline .time-item.box1 p,
.aboutUs .first .timeline .time-item.box5 p {
  padding-top: 0;
}
.aboutUs .first video {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  top: 50px;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.aboutUs .second {
  position: relative;
  background: url(../../img/about/bg1.jpg) top / cover fixed no-repeat;
}
.aboutUs .second .publicTitle {
  color: #fff;
}
.aboutUs .second::before {
  content: '';
  display: block;
  background: #000;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  opacity: 0.5;
  filter: alpha(opacity=50);
  -moz-opacity: 0.5;
  -khtml-opacity: 0.5;
  z-index: 1;
}
.aboutUs .second .second-con {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  height: 500px;
  z-index: 2;
}
.aboutUs .second .second-con p {
  position: relative;
  text-align: center;
  color: #fff;
  line-height: 100px;
  font-size: 34px;
  z-index: 2;
}
.aboutUs .second .second-con p span {
  display: none;
}
.aboutUs .our-perspective .our-box {
  width: 90%;
  max-width: 1050px;
  margin: 0 auto;
  text-align: center;
  padding: 100px 0 200px;
}
.aboutUs .our-perspective .our-box .our-text {
  font-size: 20px;
  color: #666;
  line-height: 1.5;
}
.aboutUs .our-perspective .our-box .our-text span {
  display: none;
}
.aboutUs .our-perspective .our-box .our-item {
  position: relative;
  float: left;
  width: 33.33%;
  margin-bottom: 50px;
  cursor: pointer;
}
.aboutUs .our-perspective .our-box .our-item .icon {
  width: 95px;
  height: 95px;
  margin: 0 auto;
  -webkit-transition: background 0.3s !important;
  -moz-transition: background 0.3s !important;
  -ms-transition: background 0.3s !important;
  -o-transition: background 0.3s !important;
  transition: background 0.3s !important;
  background: url(../../img/about/perspective/our-bg.png) center / 100% no-repeat;
}
.aboutUs .our-perspective .our-box .our-item .title {
  color: #999;
  font-size: 18px;
  line-height: 2;
  -webkit-transition: color 0.3s !important;
  -moz-transition: color 0.3s !important;
  -ms-transition: color 0.3s !important;
  -o-transition: color 0.3s !important;
  transition: color 0.3s !important;
}
.aboutUs .our-perspective .our-box .our-item p {
  color: #999;
  font-size: 16px;
  line-height: 1.5;
  opacity: 0;
  filter: alpha(opacity=0);
  -moz-opacity: 0;
  -khtml-opacity: 0;
  -webkit-transition: opacity 0.3s !important;
  -moz-transition: opacity 0.3s !important;
  -ms-transition: opacity 0.3s !important;
  -o-transition: opacity 0.3s !important;
  transition: opacity 0.3s !important;
}
.aboutUs .our-perspective .our-box .our-item .add {
  position: absolute;
  width: 14px;
  height: 14px;
  top: 40px;
  right: -7px;
}
.aboutUs .our-perspective .our-box .our-item .add::before,
.aboutUs .our-perspective .our-box .our-item .add::after {
  content: '';
  background: #000;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
}
.aboutUs .our-perspective .our-box .our-item .add::before {
  height: 2px;
}
.aboutUs .our-perspective .our-box .our-item .add::after {
  width: 2px;
}
.aboutUs .our-perspective .our-box .our-item:hover .title,
.aboutUs .our-perspective .our-box .our-item.active .title {
  color: #47277A;
}
.aboutUs .our-perspective .our-box .our-item:hover p,
.aboutUs .our-perspective .our-box .our-item.active p {
  opacity: 1;
  filter: alpha(opacity=100);
  -moz-opacity: 1;
  -khtml-opacity: 1;
}
.aboutUs .our-perspective .our-box .our-item:hover .icon.img1,
.aboutUs .our-perspective .our-box .our-item.active .icon.img1 {
  background-image: url(../../img/about/perspective/our-color1.png);
}
.aboutUs .our-perspective .our-box .our-item:hover .icon.img2,
.aboutUs .our-perspective .our-box .our-item.active .icon.img2 {
  background-image: url(../../img/about/perspective/our-color2.png);
}
.aboutUs .our-perspective .our-box .our-item:hover .icon.img3,
.aboutUs .our-perspective .our-box .our-item.active .icon.img3 {
  background-image: url(../../img/about/perspective/our-color3.png);
}
.aboutUs .our-service {
  position: relative;
  background: url(../../img/about/bg2.jpg) top / cover fixed no-repeat;
  padding: 0 0 120px;
}
.aboutUs .our-service::before {
  content: '';
  display: block;
  background: #000;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  opacity: 0.5;
  filter: alpha(opacity=50);
  -moz-opacity: 0.5;
  -khtml-opacity: 0.5;
  z-index: 1;
}
.aboutUs .our-service .publicTitle {
  color: #fff;
  padding-bottom: 0;
}
.aboutUs .our-service .service-box {
  position: relative;
  width: 650px;
  height: 650px;
  margin: 50px auto 0;
  background: url(../../img/about/service.png) center / 100% auto no-repeat;
  z-index: 2;
  text-align: center;
  color: #fff;
}
.aboutUs .our-service .service-box .service-item {
  position: absolute;
  width: 150px;
  font-size: 18px;
}
.aboutUs .our-service .service-box .service-item.text1 {
  top: 100px;
  left: 0;
  right: 0;
  margin: auto;
}
.aboutUs .our-service .service-box .service-item.text2 {
  top: 215px;
  right: 30px;
}
.aboutUs .our-service .service-box .service-item.text3 {
  bottom: 105px;
  right: 17px;
}
.aboutUs .our-service .service-box .service-item.text4 {
  bottom: -15px;
  left: 0;
  right: 0;
  margin: auto;
}
.aboutUs .our-service .service-box .service-item.text5 {
  top: 215px;
  left: 36px;
}
.aboutUs .our-service .service-box .service-item.text6 {
  bottom: 105px;
  left: 23px;
}
.aboutUs .our-service .service-box .service-title {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  top: 380px;
  bottom: auto;
  width: 400px;
  font-size: 20px;
}
.aboutUs .our-system .system-box {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.aboutUs .our-system .system-box .system-text {
  font-size: 20px;
  color: #333;
  line-height: 1.5;
  text-align: center;
  padding: 50px 0 100px;
}
.aboutUs .our-system .system-box .system-text span {
  color: #47277A;
}
.aboutUs .our-system .system-box .system-list {
  position: relative;
}
.aboutUs .our-system .system-box .system-item {
  position: relative;
  float: left;
  width: 25%;
  margin-bottom: 180px;
  text-align: center;
  cursor: pointer;
}
.aboutUs .our-system .system-box .system-item .icon {
  width: 97px;
  height: 85px;
  margin: 0 auto;
}
.aboutUs .our-system .system-box .system-item p {
  color: #999;
  font-size: 18px;
  line-height: 2;
  -webkit-transition: color 0.3s !important;
  -moz-transition: color 0.3s !important;
  -ms-transition: color 0.3s !important;
  -o-transition: color 0.3s !important;
  transition: color 0.3s !important;
}
.aboutUs .our-system .system-box .system-item span {
  color: #999;
  font-size: 15px;
  line-height: 2;
  display: block;
  opacity: 0;
  filter: alpha(opacity=0);
  -moz-opacity: 0;
  -khtml-opacity: 0;
  -webkit-transition: opacity 0.3s !important;
  -moz-transition: opacity 0.3s !important;
  -ms-transition: opacity 0.3s !important;
  -o-transition: opacity 0.3s !important;
  transition: opacity 0.3s !important;
}
.aboutUs .our-system .system-box .system-item:hover p,
.aboutUs .our-system .system-box .system-item.active p {
  color: #47277A;
}
.aboutUs .our-system .system-box .system-item:hover span,
.aboutUs .our-system .system-box .system-item.active span {
  opacity: 1;
  filter: alpha(opacity=100);
  -moz-opacity: 1;
  -khtml-opacity: 1;
}
.aboutUs .our-qualifications {
  position: relative;
  background: url(../../img/about/bg3.jpg) top / cover fixed no-repeat;
}
.aboutUs .our-qualifications::before {
  content: '';
  display: block;
  background: #000;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  opacity: 0.5;
  filter: alpha(opacity=50);
  -moz-opacity: 0.5;
  -khtml-opacity: 0.5;
  z-index: 1;
}
.aboutUs .our-qualifications .publicTitle {
  color: #fff;
}
.aboutUs .our-qualifications .box {
  position: relative;
  width: 84%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 50px 0 140px;
  color: #fff;
  z-index: 2;
}
.aboutUs .our-qualifications .box .icon {
  margin: auto;
}
.aboutUs .our-qualifications .box .left {
  float: right;
  text-align: center;
}
.aboutUs .our-qualifications .box .left .img {
  width: 500px;
  margin: -20px auto 0;
}
.aboutUs .our-qualifications .box .left .icon {
  width: 280px;
}
.aboutUs .our-qualifications .box .left .icon-text {
  padding: 20px 0 60px;
}
.aboutUs .our-qualifications .box .left .icon-text span {
  position: relative;
  font-size: 24px;
  display: inline-block;
  padding: 0 40px;
}
.aboutUs .our-qualifications .box .left .icon-text span::before {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  right: auto;
  left: -4px;
  content: '';
  width: 8px;
  height: 8px;
  -webkit-border-radius: 50% !important;
  -moz-border-radius: 50% !important;
  border-radius: 50% !important;
  background: #fff;
}
.aboutUs .our-qualifications .box .left .icon-text span:first-child::before {
  display: none;
}
.aboutUs .our-qualifications .box .left .more-text {
  position: relative;
  padding: 10px 0;
  line-height: 1.5;
  font-size: 18px;
}
.aboutUs .our-qualifications .box .left .more-text::before,
.aboutUs .our-qualifications .box .left .more-text::after {
  position: absolute;
  left: 0;
  content: '';
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.5);
}
.aboutUs .our-qualifications .box .left .more-text::before {
  top: 0;
}
.aboutUs .our-qualifications .box .left .more-text::after {
  bottom: 0;
}
.aboutUs .our-qualifications .box .right {
  float: left;
  text-align: center;
}
.aboutUs .our-qualifications .box .right .icon {
  margin-bottom: 25px;
}
.aboutUs .our-qualifications .box .right .text {
  position: relative;
  padding: 10px 0;
  line-height: 1.5;
  font-size: 18px;
}
.aboutUs .our-qualifications .box .right .text::before,
.aboutUs .our-qualifications .box .right .text::after {
  position: absolute;
  left: 0;
  content: '';
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.5);
}
.aboutUs .our-qualifications .box .right .text::before {
  top: 0;
}
.aboutUs .our-qualifications .box .right .text::after {
  bottom: 0;
}
.aboutUs .our-qualifications .box .right .top {
  margin-bottom: 50px;
}
.aboutUs .our-qualifications .box .right .top .icon {
  width: 180px;
}
.aboutUs .our-qualifications .box .right .bottom .icon {
  width: 380px;
}
.aboutUs .join {
  position: relative;
  background: url(../../img/about/bg4.jpg) top / cover no-repeat;
}
.aboutUs .join .join-con {
  padding: 100px 0 240px;
  text-align: center;
}
.aboutUs .join .join-con p {
  position: relative;
  font-size: 24px;
  color: #333;
}
.aboutUs .join .join-con .btn {
  position: relative;
  width: 170px;
  height: 46px;
  text-align: center;
  font-size: 18px;
  outline: none;
  background-color: transparent;
  border: 2px solid #333;
  margin: 40px auto 0;
  -webkit-transition: all 0.3s !important;
  -moz-transition: all 0.3s !important;
  -ms-transition: all 0.3s !important;
  -o-transition: all 0.3s !important;
  transition: all 0.3s !important;
  overflow: hidden;
}
.aboutUs .join .join-con .btn .con {
  position: absolute;
  top: 0;
  width: 100%;
  -webkit-transition: all 0.3s !important;
  -moz-transition: all 0.3s !important;
  -ms-transition: all 0.3s !important;
  -o-transition: all 0.3s !important;
  transition: all 0.3s !important;
  cursor: pointer;
}
.aboutUs .join .join-con .btn .con a {
  width: 100%;
  color: #333;
  line-height: 42px;
  display: block;
  -webkit-transition: all 0.3s !important;
  -moz-transition: all 0.3s !important;
  -ms-transition: all 0.3s !important;
  -o-transition: all 0.3s !important;
  transition: all 0.3s !important;
}
.aboutUs .join .join-con .btn:hover {
  background: #000;
  color: #fff;
}
.aboutUs .join .join-con .btn:hover .con {
  top: -42px;
}
.aboutUs .join .join-con .btn:hover .con a {
  color: #fff;
}
@media screen and (max-width: 1700px) {
  .aboutUs .first .con-box {
    width: 1320px;
  }
  .aboutUs .first .timeline .time-item {
    margin-left: 50px;
  }
  .aboutUs .first .timeline .time-item::before {
    left: -29px;
    width: 8px;
    height: 8px;
  }
  .aboutUs .first .timeline .time-item p {
    padding-top: 0;
  }
  .aboutUs .first .timeline .time-item.box3 {
    width: 270px;
  }
  .aboutUs .first .timeline .time-item.box4 {
    width: 230px;
  }
}
@media screen and (max-width: 1400px) {
  .aboutUs .first .con-box {
    width: 1160px;
  }
  .aboutUs .first .timeline .time-item {
    margin-left: 60px;
  }
  .aboutUs .first .timeline .time-item::before {
    left: -34px;
  }
  .aboutUs .first .timeline .time-item.box2 {
    width: 130px;
  }
  .aboutUs .first .timeline .time-item.box3 {
    width: 200px;
  }
  .aboutUs .first .timeline .time-item.box4 {
    width: 200px;
  }
  .aboutUs .our-qualifications .box {
    padding: 50px 0 130px;
  }
  .aboutUs .our-qualifications .box .left .img {
    width: 450px;
    margin: 0 auto;
  }
  .aboutUs .our-qualifications .box .left .icon {
    width: 240px;
  }
  .aboutUs .our-qualifications .box .left .icon-text {
    padding: 15px 0 50px;
  }
  .aboutUs .our-qualifications .box .left .icon-text span {
    padding: 0 30px;
  }
  .aboutUs .our-qualifications .box .left .more-text {
    font-size: 17px;
    line-height: 1.3;
  }
  .aboutUs .our-qualifications .box .right .text {
    font-size: 17px;
    line-height: 1.3;
  }
  .aboutUs .our-qualifications .box .right .top .icon {
    width: 155px;
  }
  .aboutUs .our-qualifications .box .right .bottom .icon {
    width: 335px;
  }
}
@media screen and (max-width: 1250px) {
  .aboutUs .publicTitle {
    font-size: 32px;
  }
  .aboutUs .first .con-box {
    width: 1020px;
  }
  .aboutUs .first .timeline .time-item {
    margin-left: 50px;
  }
  .aboutUs .first .timeline .time-item::before {
    left: -29px;
  }
  .aboutUs .first .timeline .time-item.box2 {
    width: 130px;
  }
  .aboutUs .first .timeline .time-item.box3 {
    width: 200px;
  }
  .aboutUs .first .timeline .time-item.box4 {
    width: 200px;
  }
  .aboutUs .first .timeline .time-item p span {
    display: block;
  }
  .aboutUs .second .second-con p {
    font-size: 32px;
  }
  .aboutUs .our-qualifications .box {
    width: 82%;
    padding: 30px 0 130px;
  }
  .aboutUs .our-qualifications .box .left .img {
    width: 400px;
    margin: 0 auto;
  }
  .aboutUs .our-qualifications .box .left .icon {
    width: 200px;
  }
  .aboutUs .our-qualifications .box .left .icon-text {
    padding: 10px 0 40px;
  }
  .aboutUs .our-qualifications .box .left .icon-text span {
    padding: 0 30px;
    font-size: 22px;
  }
  .aboutUs .our-qualifications .box .left .more-text {
    padding: 8px 0;
    font-size: 16px;
  }
  .aboutUs .our-qualifications .box .right .text {
    padding: 8px 0;
    font-size: 16px;
  }
  .aboutUs .our-qualifications .box .right .top .icon {
    width: 115px;
  }
  .aboutUs .our-qualifications .box .right .bottom .icon {
    width: 295px;
  }
  .aboutUs .join .join-con {
    padding: 80px 0 220px;
  }
  .aboutUs .join .join-con p {
    font-size: 22px;
  }
  .aboutUs .join .join-con .btn {
    margin-top: 30px;
  }
}
@media screen and (max-width: 1100px) {
  .aboutUs .publicTitle {
    padding: 40px 25px;
    font-size: 30px;
  }
  .aboutUs .first .con-box {
    width: 870px;
  }
  .aboutUs .first .timeline .time-item {
    font-size: 16px;
    margin-left: 40px;
  }
  .aboutUs .first .timeline .time-item .time-title {
    min-width: auto;
  }
  .aboutUs .first .timeline .time-item .time-title img {
    width: 100%;
  }
  .aboutUs .first .timeline .time-item::before {
    left: -23px;
    width: 6px;
    height: 6px;
  }
  .aboutUs .first .timeline .time-item.box1,
  .aboutUs .first .timeline .time-item.box5 {
    min-width: 130px;
  }
  .aboutUs .first .timeline .time-item.box3,
  .aboutUs .first .timeline .time-item.box4,
  .aboutUs .first .timeline .time-item.box2 {
    width: auto;
  }
  .aboutUs .first .timeline .time-item p {
    line-height: 20px;
  }
  .aboutUs .second .second-con {
    height: 450px;
  }
  .aboutUs .second .second-con p {
    font-size: 30px;
    line-height: 90px;
  }
  .aboutUs .our-qualifications .box {
    width: 90%;
  }
  .aboutUs .join .join-con {
    padding: 70px 0 200px;
  }
  .aboutUs .join .join-con p {
    font-size: 20px;
  }
}
@media screen and (max-width: 950px) {
  .aboutUs .publicTitle {
    padding: 35px 20px;
    font-size: 26px;
  }
  .aboutUs .first .con-box {
    width: 800px;
  }
  .aboutUs .first .top-con h2 {
    font-size: 35px;
  }
  .aboutUs .first .top-con p {
    font-size: 17px;
  }
  .aboutUs .first .timeline .time-item {
    font-size: 15px;
    margin-left: 40px;
  }
  .aboutUs .first .timeline .time-item::before {
    left: -23px;
    width: 6px;
    height: 6px;
  }
  .aboutUs .first .timeline .time-item .time-title {
    margin-bottom: 6px;
  }
  .aboutUs .first .timeline .time-item.box1,
  .aboutUs .first .timeline .time-item.box5 {
    min-width: 110px;
  }
  .aboutUs .first .timeline .time-item p {
    line-height: 18px;
  }
  .aboutUs .second .second-con {
    height: 400px;
  }
  .aboutUs .second .second-con p {
    font-size: 28px;
    line-height: 80px;
  }
  .aboutUs .our-system .system-box {
    width: 90%;
    margin: auto;
  }
  .aboutUs .our-system .system-box .system-text i {
    display: block;
  }
  .aboutUs .our-qualifications .box {
    width: 600px;
    padding: 0px 0 120px;
  }
  .aboutUs .our-qualifications .box .left {
    width: 100%;
    float: none;
  }
  .aboutUs .our-qualifications .box .left .img {
    width: 350px;
    margin: 0 auto;
  }
  .aboutUs .our-qualifications .box .left .icon {
    width: 160px;
  }
  .aboutUs .our-qualifications .box .left .icon-text {
    padding: 10px 0 20px;
  }
  .aboutUs .our-qualifications .box .left .icon-text span {
    padding: 0 20px;
    font-size: 20px;
  }
  .aboutUs .our-qualifications .box .left .more-text {
    width: 560px;
    margin: auto;
  }
  .aboutUs .our-qualifications .box .right {
    width: 100%;
    float: none;
  }
  .aboutUs .our-qualifications .box .right .text {
    margin: auto  ;
  }
  .aboutUs .our-qualifications .box .right .icon {
    margin-bottom: 10px;
  }
  .aboutUs .our-qualifications .box .right .top {
    margin: 50px;
  }
  .aboutUs .our-qualifications .box .right .top .text {
    width: 280px;
  }
  .aboutUs .our-qualifications .box .right .top .icon {
    width: 100px;
  }
  .aboutUs .our-qualifications .box .right .bottom .text {
    width: 465px;
  }
  .aboutUs .our-qualifications .box .right .bottom .icon {
    width: 270px;
  }
}
@media screen and (max-width: 880px) {
  .aboutUs .first .con-box {
    width: 92%;
  }
  .aboutUs .first .top-con {
    position: absolute;
    top: -60px;
    padding-top: 0;
    margin-top: 50%;
    width: 350px;
    height: 120px;
  }
  .aboutUs .first .top-con p span {
    display: block;
  }
  .aboutUs .first .timeline {
    width: 290px;
    height: 600px;
    left: auto;
  }
  .aboutUs .first .timeline .time-item {
    float: none;
    width: 100% !important;
    font-size: 15px;
    margin-left: 0;
    margin-bottom: 60px;
  }
  .aboutUs .first .timeline .time-item::before {
    top: -33px;
    left: 0;
    right: 0;
    bottom: auto;
  }
  .aboutUs .first .timeline .time-item .time-title {
    height: auto;
  }
  .aboutUs .first .timeline .time-item .time-title span {
    position: relative;
  }
  .aboutUs .first .timeline .time-item .time-title img {
    position: relative;
    width: 140px;
  }
  .aboutUs .first .timeline .time-item p {
    line-height: 18px;
  }
  .aboutUs .first .timeline .time-item p span {
    display: none;
  }
}
@media screen and (max-width: 800px) {
  .aboutUs .first .timeline {
    width: 200px;
    height: 580px;
  }
  .aboutUs .first .timeline .time-item p span {
    display: block;
  }
  .aboutUs .our-perspective .our-box {
    padding: 80px 0 160px;
  }
  .aboutUs .our-perspective .our-box .our-text span {
    display: block;
  }
  .aboutUs .our-service {
    padding: 0 0 100px;
  }
  .aboutUs .our-service .service-box {
    position: relative;
    width: 450px;
    height: 450px;
    margin: 20px auto 0;
  }
  .aboutUs .our-service .service-box .service-item {
    width: 90px;
    font-size: 16px;
  }
  .aboutUs .our-service .service-box .service-item.text1 {
    top: 70px;
  }
  .aboutUs .our-service .service-box .service-item.text2 {
    top: 148px;
    right: 26px;
  }
  .aboutUs .our-service .service-box .service-item.text3 {
    bottom: 68px;
    right: 17px;
  }
  .aboutUs .our-service .service-box .service-item.text4 {
    bottom: -13px;
  }
  .aboutUs .our-service .service-box .service-item.text5 {
    top: 148px;
    left: 32px;
  }
  .aboutUs .our-service .service-box .service-item.text6 {
    bottom: 68px;
    left: 23px;
  }
  .aboutUs .our-service .service-box .service-title {
    top: 255px;
    width: 100%;
    font-size: 18px;
  }
  .aboutUs .our-system .system-box .system-text {
    padding: 40px 0 70px;
    font-size: 18px;
  }
  .aboutUs .our-system .system-box .system-item {
    margin-bottom: 140px;
  }
  .aboutUs .our-system .system-box .system-item .icon {
    width: 80px;
    height: auto;
  }
  .aboutUs .our-system .system-box .system-item p {
    font-size: 16px;
  }
  .aboutUs .our-system .system-box .system-item span {
    line-height: 1.8;
  }
}
@media screen and (max-width: 680px) {
  .aboutUs .publicTitle {
    padding: 30px 15px;
    font-size: 24px;
  }
  .aboutUs .first {
    height: auto !important;
  }
  .aboutUs .first .con-box {
    height: auto !important;
  }
  .aboutUs .first .top-con {
    position: relative;
    top: 0;
    padding-top: 120px;
    margin: 0 auto 50px;
    width: 90%;
    height: auto;
    line-height: 1.5;
  }
  .aboutUs .first .top-con h2 {
    font-size: 30px;
  }
  .aboutUs .first .top-con p {
    font-size: 16px;
  }
  .aboutUs .first .timeline {
    position: relative;
    bottom: auto;
    width: 100%;
    height: auto;
    margin: 0 auto;
    padding-bottom: 30px;
    z-index: 2;
  }
  .aboutUs .first .timeline .time-item p span {
    display: block;
  }
  .aboutUs .second {
    background-position: center;
    background-size: auto 100%;
  }
  .aboutUs .second .second-con {
    height: 360px;
  }
  .aboutUs .second .second-con p {
    font-size: 24px;
    line-height: 60px;
  }
  .aboutUs .second .second-con p span {
    display: block;
  }
  .aboutUs .our-perspective .our-box {
    padding: 50px 0 130px;
  }
  .aboutUs .our-perspective .our-box .our-item {
    margin-bottom: 40px;
  }
  .aboutUs .our-perspective .our-box .our-item .icon {
    width: 85px;
    height: 85px;
  }
  .aboutUs .our-perspective .our-box .our-item .title {
    font-size: 16px;
  }
  .aboutUs .our-perspective .our-box .our-item p {
    font-size: 14px;
  }
  .aboutUs .our-perspective .our-box .our-item .add {
    width: 10px;
    height: 10px;
  }
  .aboutUs .our-perspective .our-box .our-text {
    font-size: 18px;
  }
  .aboutUs .our-service {
    background-position: center;
    background-size: auto 100%;
  }
  .aboutUs .our-system .system-box .system-text {
    padding: 20px 0 50px;
    font-size: 17px;
  }
  .aboutUs .our-system .system-box .system-item {
    margin-bottom: 120px;
  }
  .aboutUs .our-system .system-box .system-item .icon {
    width: 75px;
  }
  .aboutUs .our-system .system-box .system-item p {
    font-size: 16px;
  }
  .aboutUs .our-system .system-box .system-item span {
    font-size: 14px;
    line-height: 1.8;
    letter-spacing: 1px;
  }
  .aboutUs .our-qualifications {
    background-position: center;
    background-size: auto 100%;
  }
  .aboutUs .our-qualifications .box {
    width: 400px;
    padding: 20px 0 100px;
  }
  .aboutUs .our-qualifications .box .left {
    padding-bottom: 30px;
  }
  .aboutUs .our-qualifications .box .left .img {
    width: 300px;
    margin: 0 auto;
  }
  .aboutUs .our-qualifications .box .left .icon {
    width: 120px;
  }
  .aboutUs .our-qualifications .box .left .icon-text {
    padding: 5px 0 10px;
  }
  .aboutUs .our-qualifications .box .left .icon-text span {
    padding: 0 10px;
    font-size: 18px;
  }
  .aboutUs .our-qualifications .box .left .icon-text span::before {
    width: 6px;
    height: 6px;
    left: -3px;
  }
  .aboutUs .our-qualifications .box .left .more-text {
    width: 100%;
    font-size: 14px;
  }
  .aboutUs .our-qualifications .box .left .more-text span {
    display: block;
  }
  .aboutUs .our-qualifications .box .right .text {
    font-size: 14px;
  }
  .aboutUs .our-qualifications .box .right .top {
    margin: 30px 0 35px;
  }
  .aboutUs .our-qualifications .box .right .top .text {
    width: 225px;
  }
  .aboutUs .our-qualifications .box .right .top .icon {
    width: 70px;
  }
  .aboutUs .our-qualifications .box .right .bottom .text {
    width: 100%;
    padding: 8px 5px;
  }
  .aboutUs .our-qualifications .box .right .bottom .icon {
    width: 220px;
  }
  .aboutUs .join .join-con {
    padding: 60px 0 180px;
  }
  .aboutUs .join .join-con p {
    font-size: 18px;
  }
  .aboutUs .join .join-con .btn {
    margin-top: 26px;
    font-size: 16px;
  }
}
@media screen and (max-width: 480px) {
  .aboutUs .publicTitle {
    padding: 25px 10px;
    font-size: 18px;
  }
  .aboutUs .second {
    height: 600px !important;
  }
  .aboutUs .second .second-con {
    height: 240px;
  }
  .aboutUs .second .second-con p {
    font-size: 20px;
    line-height: 40px;
  }
  .aboutUs .our-perspective .our-box {
    padding: 40px 0 100px;
  }
  .aboutUs .our-perspective .our-box .our-item {
    margin-bottom: 30px;
  }
  .aboutUs .our-perspective .our-box .our-item .icon {
    width: 70px;
    height: 70px;
  }
  .aboutUs .our-perspective .our-box .our-item .title {
    font-size: 15px;
  }
  .aboutUs .our-perspective .our-box .our-item p {
    font-size: 13px;
  }
  .aboutUs .our-perspective .our-box .our-item .add {
    top: 30px;
  }
  .aboutUs .our-perspective .our-box .our-text {
    font-size: 16px;
  }
  .aboutUs .our-service {
    padding: 0 0 70px;
  }
  .aboutUs .our-service .service-box {
    position: relative;
    width: 320px;
    height: 320px;
    margin: 0 auto;
  }
  .aboutUs .our-service .service-box .service-item {
    width: 70px;
    font-size: 13px;
  }
  .aboutUs .our-service .service-box .service-item.text1 {
    top: 45px;
  }
  .aboutUs .our-service .service-box .service-item.text2 {
    top: 103px;
    right: 17px;
  }
  .aboutUs .our-service .service-box .service-item.text3 {
    bottom: 47px;
    right: 10px;
  }
  .aboutUs .our-service .service-box .service-item.text4 {
    bottom: -13px;
  }
  .aboutUs .our-service .service-box .service-item.text5 {
    top: 103px;
    left: 20px;
  }
  .aboutUs .our-service .service-box .service-item.text6 {
    bottom: 47px;
    left: 13px;
  }
  .aboutUs .our-service .service-box .service-title {
    top: 180px;
    font-size: 13px;
  }
  .aboutUs .our-system .system-box .system-text {
    padding: 10px 0 40px;
    font-size: 16px;
  }
  .aboutUs .our-system .system-box .system-text b {
    display: block;
  }
  .aboutUs .our-system .system-box .system-item {
    margin-bottom: 80px;
  }
  .aboutUs .our-system .system-box .system-item .icon {
    width: 60px;
  }
  .aboutUs .our-system .system-box .system-item p {
    font-size: 15px;
    line-height: 1.8;
  }
  .aboutUs .our-system .system-box .system-item span {
    font-size: 13px;
    line-height: 1.6;
    letter-spacing: 0;
  }
  .aboutUs .join .join-con {
    padding: 50px 0 120px;
  }
  .aboutUs .join .join-con p {
    font-size: 17px;
  }
  .aboutUs .join .join-con p span {
    display: block;
  }
  .aboutUs .join .join-con .btn {
    margin-top: 24px;
    font-size: 14px;
    height: 40px;
    width: 130px;
  }
  .aboutUs .join .join-con .btn .con a {
    line-height: 36px;
  }
  .aboutUs .join .join-con .btn:hover .con {
    top: -36px;
  }
}
@media screen and (max-width: 400px) {
  .aboutUs .publicTitle {
    padding: 20px 7px;
    font-size: 20px;
  }
  .aboutUs .con-box {
    width: 96%;
  }
  .aboutUs .first .top-con {
    width: 100%;
    padding-top: 110px;
    margin-bottom: 35px;
  }
  .aboutUs .first .top-con h2 {
    font-size: 26px;
  }
  .aboutUs .first .top-con p {
    font-size: 14px;
  }
  .aboutUs .first .timeline {
    padding-bottom: 20px;
    z-index: 2;
  }
  .aboutUs .first .timeline .time-item {
    margin-bottom: 40px;
  }
  .aboutUs .first .timeline .time-item::before {
    top: -23px;
  }
  .aboutUs .first .timeline .time-item .time-title img {
    width: 110px;
  }
  .aboutUs .first .timeline .time-item p {
    font-size: 13px;
    line-height: 1.2;
  }
  .aboutUs .first .timeline .time-item p span {
    display: block;
  }
  .aboutUs .our-perspective .our-box {
    padding: 20px 0 70px;
  }
  .aboutUs .our-perspective .our-box .our-item {
    margin-bottom: 20px;
  }
  .aboutUs .our-perspective .our-box .our-item .icon {
    width: 60px;
    height: 60px;
  }
  .aboutUs .our-perspective .our-box .our-text {
    font-size: 15px;
  }
  .aboutUs .our-system .system-box .system-text {
    padding: 10px 0 30px;
    font-size: 15px;
  }
  .aboutUs .our-system .system-box .system-item {
    margin-bottom: 60px;
  }
  .aboutUs .our-system .system-box .system-item .icon {
    width: 50px;
  }
  .aboutUs .our-system .system-box .system-item p {
    font-size: 14px;
  }
  .aboutUs .our-qualifications .box {
    width: 94%;
  }
}