.certification section {
  margin-bottom: 70px;
}

/* 证明图片 */
.certification section .bg_cont {
  width: 100%;
}

/* 证明列表 */
.certification section ul {
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
  -webkit-box-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  align-items: center;
  padding: 80px 80px 0;
}

.certification section ul li {
  margin-bottom: 110px;
}

.certification section ul li+li {
  margin-left: 70px;
}

.certification section ul li div {
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  align-items: center;
  width: 172px;
  height: 224px;
}

.certification section ul li div img {
  width: 100%;
  -webkit-transform: scale(1);
  transform: scale(1);
  -webkit-transition: -webkit-transform 0.5s ease 0s;
  transition: -webkit-transform 0.5s ease 0s;
  transition: transform 0.5s ease 0s;
  transition: transform 0.5s ease 0s, -webkit-transform 0.5s ease 0s;
  max-height: 100%;
}

.certification section ul li div:hover img {
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}

@media screen and (max-width: 1024px) {
  .certification section ul {
    padding: 20px;
  }

  .certification section ul li div {
    margin: 20px;
    height: 60px;
    width: auto;
  }

  .certification section ul li {
    margin-bottom: 0;
    margin-left: 0 !important;
  }
}