.aboutus_page .middle_part{
  position: relative;
}
.aboutus_page .middle_part .yh{
  position: absolute;
  top: 18.66vw;
  left: 4.26vw;
  width: 22.4vw;
  height: 19.2vw; 
}
.aboutus_page .middle_part .left .txt{
  color:  #000;
  font-family: "PingFang SC";
  font-size: 3.73vw;
  font-weight: 400;
  line-height:6.93vw; 
}
.aboutus_page .middle_part .group{
  margin-top:10.66vw
}
.aboutus_page .middle_part .group .group_item{
  position: relative;
  padding: 8vw;
  border-radius: 2.66vw;
}
.aboutus_page .middle_part .group .group_item .f_20_b{
  text-align: left;
}
.aboutus_page .middle_part .group .icon{
  width: 37.6vw ;
  position: absolute;
  bottom: 0;
  right: 0;
}
.aboutus_page .middle_part .group .group_item .text_l{
  color: #000;
  font-family: "PingFang SC";
  font-size: 3.46vw;
  font-weight: 400;
  line-height: 8vw;
  width: 31.2vw;
}
.aboutus_page .map_box{
  padding-top: 33.33vw;
  position: relative;
}
.aboutus_page .map_box .img{
  width: 100%;
  display: block;
}
.aboutus_page .map_box  .contact_box{
  position: absolute;
  top: 0vw;
  left: 4.26vw;
  right: 4.26vw;
  background: #FFF;
  box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.06);
  padding:  5.33vw 0px  5.33vw  5.33vw; 
}
.aboutus_page .map_box  .contact_box .contact_item{
  border-top: 1px solid #eeefea;
  padding-bottom:  2.66vw;
  padding-top: 5.6vw;
}
.aboutus_page .map_box  .contact_box .contact_item .code_img{
  width: 26.4vw;
  height: 26.4vw;
  background: pink;
}