@media screen and (max-width: 500px) {
  .top-about .top-style h3 {
    font-size: 3.1rem;
    color: #ffffff;
    font-family: "Ping Fang";
    padding-bottom: 1rem;
  }
  .top-about .top-style h4 {
    padding-top: 1.2rem;
    margin-top: 0;
    font-size: 1.4rem;
    color: #ffffff;
    font-weight: 500;
    font-family: "Ping Fang";
    padding-bottom: .8rem;
  }
  .top-about .top-style .p {
    font-size: 1.4rem;
    line-height: 2rem;
    color: #ffffff;
    font-weight: 500;
    font-family: "Ping Fang";
    padding-bottom: 2rem;
    padding-top: 0;
  }
  .top-about .top-style .p.ev-tiielin {
    font-size: 1.5rem;
    color: #ffffff;
    font-family: "Source Han Sans CN";
    padding-top: 2.3rem;
  }
  .top-about .top-style {
    padding-bottom: 5rem;
  }
  .top-about .top-style p {
    font-size: .9rem;
    line-height: 2rem;
    color: #ffffff;
    font-weight: 500;
    font-family: "Ping Fang";
    padding-bottom: 0;
    padding-top: 0;
  }
  .paragarph h5 {
    font-size: 1.4rem !important;
  }
  .bottom-szie {
    font-size: 1.3rem;
    line-height: 2.2rem;
    font-weight: normal;
  }
  .paragarph p {
    text-indent: 2.5rem;
    line-height: 2.2rem !important;
  }
  .top-about .top-style .line {
    margin-top: 0;
  }
  .listss-ijn {
    padding-top: 2.2rem;
  }
  .div-Cooperation .paragarph .listss-ijn h4 {
    font-size: 1.3rem;
    color: #333333;
    font-family: "Source Han Sans CN";
    text-align: left;
  }
  .div-Cooperation .paragarph .pc-h4-spans h4 span {
    font-size: 1.3rem;
    color: #333333;
    font-weight: 500;
    font-family: "Source Han Sans CN";
    text-align: left;
  }
  .div-Cooperation .paragarph .listss-ijn h4 span {
    font-size: 1.3rem;
    color: #333333;
    font-weight: 600;
    font-family: "Source Han Sans CN";
    text-align: left;
  }
  .div-Cooperation .right img {
    width: 100% !important;
    height: 22.1rem !important;
    margin-top: 2rem;
    object-fit: cover;
    object-position: center;
  }
  .zshzsss.Cooperation-english-lyd h3 {
    margin: 2.3rem 0;
  }
  .paragarph h5.pc-h5-title {
    font-size: 1.4rem;
    letter-spacing: 0px !important;
    line-height: 1.8rem;
    color: #262626;
    font-weight: 500;
    font-family: "Source Han Sans CN";
    margin: 2.3rem 0 2rem;
    padding: 0;
  }
  .English-style-size .top-about .top-style h3,
  .English-style-size .top-about .top-style .p.ev-tiielin,
  .English-style-size .zshzsss.Cooperation-english-lyd h3,
  .English-style-size .paragarph p,
  .English-style-size .paragarph h5.pc-h5-title,
  .English-style-size .bottom-szie {
    font-family: "Helvetica";
  }
}