.about .about-nav {
  width: 1100px;
  margin: 0 auto;
  margin-top: 20px;
}
.about .about-nav .you {
  float: left;
  width: 826px;
  margin-left: 24px;
}
.about .about-nav .you .conxt {
  margin-top: 44px;
}
.about .about-nav .you .conxt h1 {
  margin-left: 15px;
  margin-right: 15px;
  line-height: 42px;
  font-family: PingFangSC-Semibold;
  font-size: 30px;
  color: #111111;
  text-align: center;
}
.about .about-nav .you .conxt .conxt-nav {
  margin-top: 43px;
  font-family: PingFangSC-Regular;
  line-height: 26px;
  font-size: 14px;
  color: #111111;
  text-align: Justify;
  text-justify: inter-ideograph;
}
.about .about-nav .you .conxt .conxt-nav .conxt-pic {
  float: left;
  width: 462px;
  height: 286px;
  line-height: 283px;
  text-align: center;
  margin-right: 24px;
}
.about .about-nav .you .conxt .conxt-nav .conxt-pic img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  vertical-align: middle;
}