img {
  width: 100%;
  height: 100%;
}
.introduce_aftersales img {
  height: auto;
}
.concenter_text > h2 {
  color: #005946;
  font-size: 2.5rem;
  line-height: 3.125rem;
  margin-top: 3.75rem;
}
.concenter_text > h3 {
  color: #005946;
  font-weight: 100;
  font-size: 1.25rem;
  line-height: 1.25rem;
  margin-top: .625rem;
  margin-bottom: 5rem;
}
.concenter_text > p {
  color: #969696;
  font-size: 1.125rem;
  line-height: 1.875rem;
}

/* 内容 */
.concenter_top > div {
  width: 37.5rem;
  height: 19.375rem;
  background-color: #005946;
  float: left;
  overflow: hidden;
}
.top_text > p {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 100;
  margin-top: 1.25rem;
}
.top_text div:first-child {
  width: 1.875rem;
  margin: 0 auto;
  height: 1.875rem;
}
.concenter_top_address {
  padding: 2.5rem 8.375rem 0 8.375rem;
  box-sizing: border-box;
}
.concenter_top_address div:first-child {
  background: url('../assets/img/contactus1.png');
}
.concenter_top_address > span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: #fff;
  margin-top: 1.25rem;
}
.concenter_top_address p {
  line-height: 2.5rem;
}
.concenter_top_phone {
  padding-top: 3.75rem;
  box-sizing: border-box;
}
.concenter_top_phone div:first-child {
  background: url('../assets/img/contactus1.png');
}



.concenter_bottom {
  height: 16.25rem;
  margin-top: 5rem;
  margin-bottom: 9.375rem;
}
.concenter_bottom > div {
  float: left;
  overflow: hidden;
}
.concenter_bottom_qrimg {
  width: 15.625rem;
  height: 16.25rem;
  background-color: #fff;
  box-sizing: border-box;
  padding: 1.25rem;
}
.concenter_bottom_img {
  width: 40.625rem;
  height: 16.25rem;
}
.concenter_bottom_text {
  width: 18.75rem;
  height: 16.25rem;
  background-color: #005946;
  padding-top: 2.5rem;
  box-sizing: border-box;
}
.concenter_bottom_text div:first-child {
  background: url('../assets/img/contactus1.png');
}


@media screen and (max-width:1620px){
  .concenter_top_address div:first-child {
    background-size: 320%;
    background-position: 132px 0px;
  }
  .concenter_top_phone div:first-child {
    background-size: 320%;
    background-position: 24px 0px;
  }
  .concenter_bottom_text div:first-child {
    background-size: 330%;
  }
}

@media screen and (min-width:1620px){
  .concenter_top_address div:first-child {
    background-position: 68px 0px;
  }
  .concenter_top_phone div:first-child {
    background-position: 30px 0px;
  }
}