.main {
  overflow: hidden;
}
.main .box_title {
  font-size: 24px;
  font-weight: 700;
  font-style: italic;
  letter-spacing: 2px;
  color: #0062b1;
  padding-bottom: 4px;
  display: flex;
}
.main .box_title.white {
  color: #ffffff;
}
.main .box_title.white span::after {
  background-color: #45a5e6;
}
.main .box_title span {
  position: relative;
}
.main .box_title span::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background-color: #0062B1;
}
.section1 {
  margin-top: 89px;
}
.section1 .section_title {
  font-size: 34px;
  font-weight: 700;
  font-style: italic;
  letter-spacing: 2px;
  color: #0062b1;
}
.section1 > .box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 32px;
}
.section1 > .box .lb {
  flex: 1;
  min-width: 30rem;
}
.section1 > .box .lb .bb {
  margin: 42px 0 8px;
  font-size: 0.875rem;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #373737;
  line-height: 2.5rem;
}
.section1 > .box .lb .fb {
  float: right;
  color: #e5f4ff;
  font-size: 28px;
  font-weight: 700;
}
.section1 > .box .video {
  width: 30rem;
  height: 16.875rem;
  margin-left: 3.6875rem;
}
.section2 {
  margin-top: 105px;
}
.section2 > .item {
  width: 100%;
  position: relative;
}
.section2 > .item a {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
}
.section2 > .item:nth-child(n+2) {
  margin-top: 9px;
}
.section2 > .item .pic {
  display: block;
  width: 100%;
}
.section3 {
  display: flex;
  margin-top: 123px;
  flex-wrap: wrap;
}
.section3 .lb {
  flex: 1;
  min-width: 34.9375rem;
}
.section3 .lb .title .img {
  display: block;
  width: 6.4375rem;
}
.section3 .lb .intros {
  width: 80%;
  line-height: 38px;
  text-indent: 2px;
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #373737;
}
.section3 .lb .fb {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
}
.section3 .lb .fb .item {
  height: 100%;
  max-width: 25%;
  flex: 1 1 25%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-left: 1rem;
  border-left: 2px solid #00AFEC;
}
.section3 .lb .fb .item:nth-child(n+5) {
  margin-top: 61px;
}
.section3 .lb .fb .item:nth-child(7) {
  max-width: 50%;
  flex: 1 1 50%;
}
.section3 .lb .fb .item .bigsize {
  font-size: 30px;
}
.section3 .lb .fb .item .bigsize.more {
  position: relative;
}
.section3 .lb .fb .item .bigsize.more::after {
  content: '+';
  display: block;
  position: absolute;
  top: -3px;
  right: -13px;
  font-size: 17px;
}
.section3 .lb .fb .item .blod {
  color: #0062B1;
  font-size: 14px;
}
.section3 .lb .fb .item .normal {
  color: #373737;
  font-size: 14px;
}
.section3 .rb {
  display: flex;
  justify-content: center;
  align-items: center;
}
.section3 .rb .map {
  display: block;
  width: 38.1875rem;
  height: 30rem;
}
.section4 {
  margin-top: 64px;
  background-color: #0062B1;
  padding-top: 32px;
  padding-bottom: 32px;
}
.section4 .box {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.section4 .box .lb {
  flex-shrink: 0;
  width: 24rem;
}
.section4 .box .lb .title .img {
  display: block;
  width: 6.4375rem;
}
.section4 .box .lb .intros {
  margin-top: 16px;
  width: 100%;
  line-height: 38px;
  text-indent: 2px;
  font-size: 14px;
  font-family: MicrosoftYaHei;
  font-weight: 400;
  color: #ffffff;
}
.section4 .box .lb .fb {
  display: flex;
  flex-wrap: wrap;
  margin-top: 32px;
}
.section4 .box .lb .fb .item {
  height: 100%;
  max-width: 48%;
  flex: 1 1 48%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-left: 1rem;
  border-left: 1px solid #ffffff;
}
.section4 .box .lb .fb .item:nth-child(n+3) {
  margin-top: 32px;
}
.section4 .box .lb .fb .item .bigsize {
  font-size: 30px;
}
.section4 .box .lb .fb .item .blod {
  color: #ffffff;
  font-size: 14px;
}
.section4 .box .lb .fb .item .normal {
  color: #ffffff;
  font-size: 14px;
}
.section4 .box .rb {
  margin-left: 64px;
  flex: 1;
  width: 100%;
}
.section5 {
  margin-top: 53px;
}
.section5 .item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.section5 .item .swiper-con {
  width: 646px;
}
.section5 .item .swiper-con .img-list {
  position: relative;
}
.section5 .item .swiper-con .img-list .swiper-wrapper .swiper-slide img {
  width: 646px;
  height: 427px;
}
.section5 .item .detail {
  flex: 1;
  min-width: 450px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.section5 .item .detail .intro {
  margin-top: 48px;
  font-size: 14px;
  color: #373737;
  line-height: 38px;
}
.section5 .item:nth-child(1) .detail {
  margin-left: 4.125rem;
}
.section5 .item:nth-child(1) .detail .title .img {
  width: 14.25rem;
}
.section5 .item:nth-child(2) {
  margin-top: 158px;
}
.section5 .item:nth-child(2) .detail {
  margin-right: 2.9375rem;
}
.section5 .item:nth-child(2) .detail .title .img {
  width: 6.875rem;
}
.section6 {
  margin-top: 147px;
  background: url(https://cksfile.keshun.com.cn/keshunWeb2024/keshunEN/PC/Introduce/img-bg-1.jpg) no-repeat left top;
  background-size: cover;
  height: 758px;
  position: relative;
}
.section6 .intro {
  position: absolute;
  top: 20%;
  left: 60%;
  right: 10%;
  font-size: 14px;
  line-height: 38px;
  color: #ffffff;
}
#footer {
  margin-top: -10rem;
}
@media screen and (max-width: 1170px) {
  html .section1 .box .video {
    margin-top: 32px;
    margin-left: 0;
  }
  html .section3 .rb {
    margin-top: 32px;
  }
}
@media screen and (max-width: 1600px) {
  .section6 .intro {
    left: 70%;
    right: 10%;
  }
}
@media screen and (max-width: 1400px) {
  .section6 .intro {
    right: 5%;
  }
}