.topBg{background: url(../images/lbBg.png) no-repeat;}

.products{padding-bottom: 40px;}
.products ul {
  display: flex;
  display: flex;
   flex-wrap: wrap;
   justify-content: space-between;
  color: #454545;margin: 40px 0;
}
.products ul::after{
  content: "";
  width: 32%;
}
.products ul > li {
  width: 32%;
  margin-bottom: 40px;
  background: #fff;
  padding: 25px;
  box-sizing: border-box;
  box-shadow: -4px -4px 8px 0 rgba(1, 1, 2, 0.1),
    4px 4px 8px 0 rgba(1, 1, 2, 0.1);
  border-radius: 15px;
}
.products ul > li h4 {
  margin-top:20px;margin-bottom:20px;font-size:23px;color:#080c1a;font-family: 'SourceHanSansCN-Bold';
}
.products ul > li p {
  font-size: 20px;
  line-height: 32px;color:#949494;
}
.products ul > li .src1 {
  height:44px;width:auto;
}
.products ul > li .src2{
  height:250px;width:100%;display:block;margin-top:20px;
}