body {
  background: #fff;
}
.key {
  height: 1px;
  background: #D3D3D3;
}
.xian {
  height: 1px;
  background: #0D548F;
}
.about .about-nav {
  width: 1100px;
  padding-bottom: 60px;
  margin: 0 auto;
}
.about .about-nav h1 {
  text-align: center;
  margin-top: 25px;
  line-height: 31px;
  font-family: MicrosoftYaHei;
  font-size: 24px;
  color: #515151;
  letter-spacing: 0;
}
.about .about-nav .key {
  margin-top: 26px;
}
.about .about-nav .conxt .conxt-zuo {
  float: left;
}
.about .about-nav .conxt .conxt-zuo .zuo-to {
  margin-left: 26px;
}
.about .about-nav .conxt .conxt-zuo .zuo-to a {
  margin-top: 23px;
  display: inline-block;
  margin-right: 36px;
}
.about .about-nav .conxt .conxt-zuo .zuo-to a span {
  display: block;
  line-height: 24px;
  font-family: MicrosoftYaHei;
  font-size: 18px;
  color: #515151;
  letter-spacing: 0;
}
.about .about-nav .conxt .conxt-zuo .zuo-to a:last-child {
  margin-right: 16px;
}
.about .about-nav .conxt .conxt-zuo .zuo-to a.active {
  margin-top: 19px;
  margin-right: 20px;
  line-height: 29px;
}
.about .about-nav .conxt .conxt-zuo .zuo-to a.active span {
  font-family: MicrosoftYaHei;
  font-size: 22px;
  color: #0D548F;
  letter-spacing: 0;
}
.about .about-nav .conxt .conxt-zuo .key {
  margin-top: 23px;
  margin-left: 25px;
}
.about .about-nav .conxt .conxt-zuo .conxt-dow {
  margin-top: 12px;
}
.about .about-nav .conxt .conxt-zuo .conxt-dow a {
  display: block;
  background: #FFFFFF;
}
.about .about-nav .conxt .conxt-zuo .conxt-dow a p {
  float: left;
  width: 60%;
  margin-left: 25px;
  line-height: 25px;
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #535353;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.about .about-nav .conxt .conxt-zuo .conxt-dow a .news-img {
  float: right;
  margin-right: 24px;
  margin-top: 1px;
  width: 20px;
  height: 20px;
  line-height: 17px;
  text-align: center;
}
.about .about-nav .conxt .conxt-zuo .conxt-dow a .news-img img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  vertical-align: middle;
}
.about .about-nav .conxt .conxt-zuo .conxt-dow .key {
  height: 1px;
  margin-left: 25px;
  margin-bottom: 10px;
  margin-top: 10px;
  background: #D3D3D3;
}
.about .about-nav .conxt .conxt-zuo .conxt-dow .fenye {
  margin-top: 50px;
}
.about .about-nav .conxt .conxt-pic {
  float: left;
  margin-left: 8px;
  width: 530px;
  height: 470px;
  margin-top: 70px;
  line-height: 465px;
  text-align: center;
  border: 1px solid #d5d5d5;
  box-sizing: border-box;
}
.about .about-nav .conxt .conxt-pic img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  vertical-align: middle;
}