.key {
  height: 1px;
  background: #BABABA;
}
.about .about-nav {
  width: 1100px;
  padding-bottom: 60px;
  margin: 0 auto;
  min-height: 440px;
}
.about .about-nav .conxt-dow {
  width: 97%;
  margin: 0 auto;
  margin-top: 45px;
}
.about .about-nav .conxt-dow .app {
  display: block;
  width: 32%;
  float: left;
  margin-left: 1%;
}
.about .about-nav .conxt-dow .app .pki {
  float: left;
  width: 60%;
  height: 31px;
}
.about .about-nav .conxt-dow .app .pki p {
  width: 60%;
  margin-left: 25px;
  line-height: 25px;
  margin-top: 6px;
  font-family: PingFangSC-Regular;
  font-size: 18px;
  color: #535353;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.about .about-nav .conxt-dow .app .news-img {
  float: right;
  margin-right: 10px;
  margin-top: 11px;
  width: 20px;
  height: 20px;
  line-height: 17px;
  text-align: center;
}
.about .about-nav .conxt-dow .app .news-img img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  vertical-align: middle;
}
.about .about-nav .conxt-dow .key {
  height: 1px;
  margin-bottom: 40px;
  margin-top: 12px;
  background: #D3D3D3;
}
.about .about-nav .conxt-dow .app:hover .pki p {
  margin-top: 0;
  color: #ffbd41;
}
.about .about-nav .conxt-dow .fenye {
  margin-top: 50px;
}