body {
  background: #F2F2F2;
}
.about .about-nav {
  width: 1100px;
  margin: 0 auto;
  background: #FFFFFF;
  margin-top: 16px;
  margin-bottom: 50px;
}
.about .about-nav .pc-top .pc-one {
  float: left;
}
.about .about-nav .pc-top .pc-one span {
  margin-top: 16px;
  float: left;
  line-height: 22px;
  font-family: PingFangSC-Medium;
  font-size: 16px;
  color: #333333;
  letter-spacing: 0;
}
.about .about-nav .pc-top .pc-one span:first-child {
  margin-left: 14px;
}
.about .about-nav .pc-top .pc-one span:nth-child(2) {
  margin-left: 6px;
}
.about .about-nav .pc-top .pc-two {
  float: right;
  line-height: 22px;
  margin-top: 16px;
  margin-right: 24px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #BEBEBE;
  letter-spacing: 0;
}
.about .about-nav .pc-top .pc-two a {
  float: left;
  margin-right: 8px;
  background: #2D85AE;
  width: 160px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #fff;
  letter-spacing: 0;
}
.about .about-nav .pc-top .pc-two a:hover {
  text-decoration: underline;
  color: #00FFFE;
}
.about .about-nav .pc-top .pc-two a.active {
  text-decoration: underline;
  color: #00FFFE;
}
.about .about-nav .pc-top .keyl {
  margin-top: 16px;
  width: 100%;
  height: 1px;
  background: #E4E4E4;
}
.about .about-nav .pc-top .conxt {
  margin-top: 24px;
  padding-bottom: 27px;
}
.about .about-nav .pc-top .conxt h1 {
  text-align: center;
  line-height: 37px;
  font-family: PingFangSC-Semibold;
  font-size: 26px;
  color: #777777;
}
.about .about-nav .pc-top .conxt .you-nav {
  width: 800px;
  margin: 0 auto;
  margin-top: 30px;
  line-height: 26px;
  text-indent: 2em;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #777777;
  white-space: pre-line;
  text-align: Justify;
  text-justify: inter-ideograph;
}
.about .about-nav .pc-top .conxt .conxt-pic {
  width: 428px;
  height: 240px;
  line-height: 237px;
  text-align: center;
  margin: 0 auto;
  margin-top: 26px;
}
.about .about-nav .pc-top .conxt .conxt-pic img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  vertical-align: middle;
}