@media screen and (min-width: 1200px) {
    .zhaoping_750{
      display: none;
    }
    /* banner */
    .banner {
      min-width: 1200px;
      height: 500px;
      background-image: url("/img/about.png");
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      display: flex;
      flex-direction: column;
      justify-content: end;
      align-items: center;
      margin-bottom: 80px;
    }

    .banner_title {
      width: 1200px;
      margin: 0 auto;
      font-size: 60px;
      color: #FFFFFF;
      margin-bottom: 140px;
    }

    .content_text {
      display: flex;
      margin-bottom: 80px;
    }

    .content_options {
      padding: 40px;
      width: 400px;
    }

    .content_options:hover {
      background: url("/img/about_bac.png");
    }

    .content_options:hover .content_options_title,
    .content_options:hover .content_options_title_en,
    .content_options:hover .content_option .text {
      color: #fff;
    }

    .content_options_title {
      font-weight: 400;
      font-size: 20px;
      color: #333333;
      margin-bottom: 40px;
    }

    .content_options_title_en {
      font-weight: 300;
      font-size: 20px;
      color: #999999;
      margin-bottom: 40px;
    }

    .content_option {
      display: flex;
      margin-bottom: 20px;
    }

    .svg {
      width: 20px;
      height: 20px;
      margin-right: 12px;
    }

    .text {
      font-weight: 400;
      font-size: 16px;
      color: #777777;
    }

  }

  @media screen and (max-width: 1199px) {
    .contact {
      display: none;
    }

    .banner_750 {
      background-image: url("/img/zhaoping_banner_750.png");
      height: 306px;
      background-repeat: no-repeat;
      background-size: cover;
      background-position: center;
      padding-top: 124px;
      padding-left: 16px;
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 500;
      font-size: 27px;
      color: #FFFFFF;
    }

    .content_750 {
      padding: 30px 16px;
      background: #f8f8f8;
    }

    .content_title_750 {
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 500;
      font-size: 20px;
      color: #333333;
      text-align: center;
    }

    .content_title_750_en {
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 400;
      font-size: 14px;
      color: #999999;
      text-align: center;
    }

    .content_title_750_line {
      width: 150px;
      height: 1px;
      background: #B6B6B6;
      margin: 0 auto;
      margin-top: 12px;
      margin-bottom: 8px;
    }

    .content_750_contrainer {
      padding: 20px;
      background-image: url("/img/zhaoping_img_750.png");
      background-repeat: no-repeat;
      background-size: cover;
      background-position: center;
      height: 193px;
      margin: 12px auto 0;
    }

    .city_750 {
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 400;
      font-size: 16px;
      color: #FFFFFF;
    }

    .city_750_en {
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 300;
      font-size: 14px;
      color: #EDEDED;
    }

    .contact_750 {
      display: flex;
      font-family: Source Han Sans CN, Source Han Sans CN;
      font-weight: 400;
      font-size: 14px;
      color: #EDEDED;
      margin-top: 12px;
    }

    .contact_750 img {
      margin-right: 4px;
    }

    .extra {
      align-items: start;
    }
  }