#nav-banner {
  width: 100%;
  height: 5rem;
  background: url(../images/about-banner.png) repeat;
  background-size: 100% auto;
}

.company_introduction {
  width: 13.6rem;
  height: 5.2rem;
  background: #ffffff;
  box-shadow: 0px 0px 0.2rem 0px #5a59a824;
  border-radius: 0.2rem;
  margin: 0 auto;
  position: relative;
  top: -2.8rem;
  background: url(../images/company_introduction_bg.png) no-repeat;
  background-size: 4.4rem 2.8rem;
  background-color: #fff;
  background-position: 100% 100%;
}

.title_box {
  padding: 0.6rem 0 0.16rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.title_box > .title {
  width: 3.2rem;
  height: 0.33rem;
  font-size: 0.3rem;
  font-family: Arial-BoldMT, Arial;
  font-weight: normal;
  color: #6a61ff;
  padding-bottom: 0.16rem;
}

.company_introduction > .content {
  padding: 0.4rem 0.5rem;
}
.company_introduction > .content > p {
  font-size: 0.18rem;
  font-family: ArialMT;
  color: #303133;
  line-height: 0.21rem;
  margin-bottom: 0.4rem;
}

.list {
  width: 13.6rem;
  position: relative;
  top: -2rem;
  margin: 0 auto;
  padding: 0 0.4rem;
}

.list > .item {
  margin-bottom: 0.8rem;
}

.list > .item > .title {
  font-size: 0.3rem;
  font-family: Helvetica-Bold, Helvetica;
  font-weight: bold;
  color: #6a61ff;
  line-height: 0.3rem;
  margin-bottom: 0.2rem;
}

.list > .item > .content {
  font-size: 0.18rem;
  font-family: ArialMT;
  color: #000000;
  line-height: 0.21rem;
}

.list > .item > .subtitle {
  font-size: 0.24rem;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #000000;
  line-height: 0.3rem;
  margin-bottom: 0.14rem;
}

.list > .item > .subtitle_content {
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #77789a;
  font-size: 0.14rem;
  line-height: 0.2rem;
  margin-bottom: 0.1rem;
}

.list > .item > .email {
  font-size: 0.14rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #5a33fe;
  line-height: 0.2rem;
  cursor: pointer;
  margin-bottom: 0.2rem;
}

.map {
  /* height: 4.8rem; */
  margin: 0 auto;
}

.map > img {
  width: 70%;
  height: 70%;
}

@media screen and (max-width: 1024px) {
  .company_introduction {
    width: auto;
    height: auto;
    margin: 0 24px;
    top: -1.7rem;
  }

  .company_introduction > .content > p {
    font-size: 15px;
    font-family: ArialMT;
    color: #303133;
    line-height: 22px;
  }

  .company_introduction .title {
    font-size: 26px;
    font-family: Arial-BoldMT, Arial;
    font-weight: normal;
    color: #6a61ff;
    line-height: 32px;
    width: auto;
    height: auto;
  }

  #nav-banner {
    background-size: 100% 240px;
    background-position: 32% 0%;
    height: 240px;
  }

  .list {
    width: auto;
    padding: 0 24px;
    top: -0.6rem;
  }

  .list > .item > .title {
    font-size: 26px;
  }

  .list > .item > .content {
    font-size: 16px;
    line-height: 24px;
  }

  .list > .item {
    margin-bottom: 80px;
  }

  .list > .item > .subtitle_content {
    line-height: 20px;
    font-size: 14px;
  }

  .list > .item > .email {
    line-height: 20px;
    font-size: 14px;
  }

  .list > .item > .subtitle {
    font-size: 20px;
    line-height: 30px;
  }

  .map > img{
    width: 100%;
    height: auto;
  }
}

@media screen and (max-width: 768px) {
  #nav-banner {
    background-size: auto 240px;
    background-position: 32% 0%;
    height: 240px;
  }
}