/*关于我们*/
.about_box{
  background-color: #f5f5f5;
margin-top:60px;
margin-bottom:60px;
}
.index_title {
  padding-top:60px;
  padding-bottom:20px;
  text-align:center;
}
.title_p1 {
  font-size:32px;
  color:#000;
}
.title_line {
  width:36px;
  height:2px;
  background:#000;
  margin: 12px auto;
}
.title_p2 {
  font-size:14px;
  color:#666;
  text-transform:uppercase;
}
.about_conts{
padding:0px 40px 40px 40px;
}
.about_conts p{
font-size:16px;
  line-height:1.7;
  color: #000;
}

.about_conts h4{text-align: center;font-weight: 400;margin-top: 10px;}

.gglist{
  display: flex;
  flex-wrap: wrap;
  margin-top: 20px;
}
.gglist .proitem{
  width:calc((100% - 60px)/4);
  margin-right:20px;
  margin-bottom: 2%;
  border: 1px solid #eee;
}
.gglist .proitem:nth-of-type(4n) {
  margin-right: 0px !important;
  overflow: hidden;
}
.gglist .proitem img{
  width: 100%;
}
.gglist .proitem p{
  text-align: center;
  height: 40px;
  line-height: 40px;
  font-size: 20px;
  color: #333;
  /* display: none; */
}

@media screen and (max-width: 992px){
  .about_box{
    margin-top:40px;
    margin-bottom:40px;
    }
  .about_conts {
      padding: 0px 15px 25px 15px;
  }
  .index_title {
      padding-top: 35px;
      padding-bottom: 10px;
  }
  .title_p1 {
      font-size: 20px;
  }
  .title_line{
      margin: 7px auto;
  }
  .about_conts p {
      font-size: 13px;
  }

  .gglist .proitem {
      width:calc(50% - 5px);
      margin-right: 10px;
  }
  .gglist :nth-of-type(2n){
      margin-right: 0% !important;
  }
  .gglist .proitem p{
      font-size: 15px;
  }
  
}