.layout_group .top-box .top-title{
  font-size: 24px !important;
  font-family: PingFang SC;
  font-weight: 500;
  color: #1D1D1D;
  line-height: 32px;
  text-align: center;
}
.layout_group .top-box {
  margin-top: 80px;
  margin-bottom: 50px;
}
.layout_group .top-box .top-text{
  font-size: 16px !important;
  font-family: PingFang SC;
  font-weight: 300;
  color: #1D1D1D;
  line-height: 32px;
  text-align: center;

}
.layout_group .center-box .nav-box{
  display: flex;
  flex-wrap: wrap;
  width: 80%;
  margin: 0 auto;
  justify-content: space-around;
}
.layout_group .center-box .item {
  width: 24%;
  margin-bottom: 40px;
}
.layout_group .center-box .item .img {
  /*width: 360px;*/
  /*height: 360px;*/
  /*background-color: #f00;*/
  margin: 0 auto;
}
.layout_group .center-box .item .title {
  font-size: 16px;
  font-family: PingFang SC;
  font-weight: 500;
  color: #1D1D1D;
  line-height: 24px;
  text-align: center;
  margin: 20px 0 !important;
}
.layout_group .center-box .item .text {
  /*width: 360px;*/
  margin: 0 auto;
}