@keyframes scrollUp {
  0% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  100% {
    transform: translateY(-1150px);
  }
}
.wrap {
  display: block;
  position: relative;
  width: 1200px;
  margin: 0 auto;
}
.header {
  width: 100%;
  height: 65px;
  position: sticky;
  top: 0;
  left: 0;
  background: #067dc1;
  z-index: 2;
}
.nav {
  height: 100%;
  display: flex;
  align-items: center;
}
.nva-item {
  margin-right: 45px;
  font-family: SourceHanSansCN-Normal;
  font-size: 20px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 37.404px;
  letter-spacing: 2px;
  color: #ffffff;
}
.nva-item:hover {
  color: #fff;
}
.nva-item:visited {
  color: #fff;
}
.banner {
  width: 100%;
  height: 723px;
  background: url('../images/banner.jpg') no-repeat center center / cover;
}
.title-wrap {
  display: flex;
  align-items: center;
  box-sizing: border-box;
  padding-left: 19px;
  position: relative;
}
.title-wrap:after {
  content: '';
  display: block;
  width: 7px;
  height: 48px;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  background-color: #117dd8;
  border-top-right-radius: 7px;
  border-bottom-right-radius: 7px;
}
.title-zh {
  margin-right: 16px;
  font-family: SourceHanSansCN-Light;
  font-size: 50px;
  font-stretch: normal;
  line-height: 1;
  letter-spacing: 1px;
  color: #076dc1;
}
.title-en-wrap {
  flex: 1;
}
.title-en {
  margin-bottom: 12px;
  font-family: SourceHanSansCN-Light;
  font-size: 20px;
  font-stretch: normal;
  line-height: 1;
  letter-spacing: 0.4px;
  color: #585858;
}
.title-line {
  width: 252px;
  height: 4px;
  background-image: linear-gradient(to left, rgba(255, 255, 255, 0) 0%, #117dd8 100%);
  border-radius: 1px;
}
.introduce {
  padding-top: 62px;
  padding-bottom: 90px;
}
.introduce .title-wrap {
  margin-bottom: 70px;
}
.introduce-text {
  margin-bottom: 18px;
  font-family: SourceHanSansCN-Regular;
  font-size: 18px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 1;
  letter-spacing: 0.4px;
  color: #000000;
  text-align: center;
}
.xs-wrap {
  margin-top: 38px;
  display: flex;
}
.xs-item:nth-child(1) {
  box-sizing: border-box;
  width: 376px;
  padding-top: 33px;
}
.xs-item:nth-child(3) {
  box-sizing: border-box;
  width: 376px;
  padding-top: 33px;
}
.xs-item:nth-child(2) {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  height: 336px;
  background-color: #117dd8;
  border-radius: 20px;
}
.xs-item:nth-child(2) p {
  font-family: SourceHanSansCN-Normal;
  font-size: 40px;
  font-stretch: normal;
  line-height: 60.404px;
  letter-spacing: 0.8px;
  color: #ffffff;
  text-align: center;
}
.xs-item-icon {
  display: block;
  margin: -57.5px auto 0;
}
.xs-item-text {
  margin-top: 14px;
  font-family: SourceHanSansCN-Regular;
  font-size: 18px;
  font-stretch: normal;
  line-height: 1;
  letter-spacing: 0.4px;
  color: #000000;
  text-align: center;
}
.about {
  width: 100%;
  box-sizing: border-box;
  padding: 96px 0 53px;
  background: url('../images/bg-about.png') no-repeat center center / cover;
}
.about .title-wrap {
  margin-bottom: 44px;
}
.about-wrap {
  font-size: 18px;
  font-stretch: normal;
  line-height: 31.404px;
  letter-spacing: -0.4px;
  color: #000000;
}
.about-text {
  margin-bottom: 47px;
}
.about-tip {
  margin: 5px 0;
  line-height: 34.404px;
  letter-spacing: 0px;
  color: #117dd8;
}
.hzqy {
  padding: 93px 0 0;
}
.hzqy .title-wrap {
  margin-bottom: 25px;
}
.scrolling-background {
  height: 600px;
  overflow: hidden;
}
.scrolling-background img {
  width: 100%;
  animation: scrollUp 11s linear infinite;
}
.hzmt {
  padding: 90px 0 66px;
}
.hzmt .title-wrap {
  margin-bottom: 25px;
}
.footer {
  width: 100%;
  height: 370px;
  background: url('../images/footer.png?v=20240527') no-repeat center center / cover;
}