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 .keyl {
  margin-top: 16px;
  width: 100%;
  height: 1px;
  background: #E4E4E4;
}
.about .about-nav .pc-top .conxt {
  margin-top: 24px;
  padding-bottom: 80px;
}
.about .about-nav .pc-top .conxt h1 {
  text-align: center;
  line-height: 33px;
  font-family: PingFangSC-Semibold;
  font-size: 24px;
  color: #414141;
}
.about .about-nav .pc-top .conxt .key {
  width: 1030px;
  height: 1px;
  margin: 0 auto;
  margin-top: 26px;
  border-top: 1px dashed #AAAAAA;
}
.about .about-nav .pc-top .conxt .you-nav ul {
  margin-left: 32px;
  margin-top: 30px;
}
.about .about-nav .pc-top .conxt .you-nav ul li {
  float: left;
  width: 248px;
  line-height: 22px;
  margin-bottom: 10px;
}
.about .about-nav .pc-top .conxt .you-nav ul li p {
  font-family: PingFangSC-Medium;
  font-size: 16px;
  color: #A1A1A1;
  letter-spacing: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.about .about-nav .pc-top .conxt .oiu {
  margin-top: 34px;
  line-height: 28px;
  height: 28px;
  margin-left: 32px;
  font-family: PingFangSC-Medium;
  font-size: 20px;
  color: #A1A1A1;
  letter-spacing: 0;
}
.about .about-nav .pc-top .conxt .conxt-pic {
  width: 1058px;
  margin: 0 auto;
  margin-top: 20px;
}