.category {
  padding: 70px 0;
  justify-content: center;
}
.category a {
  color: #333333;
  font-size: 20px;
  margin: 0 70px;
  padding: 0 5px 20px;
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}
.category a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  background: #45C25B;
  transition: all 0.3s ease;
  border-radius: 3px;
}
.category a.on,
.category a:hover {
  color: #45C25B;
}
.category a.on::after,
.category a:hover::after {
  width: 100%;
  left: 0;
}
.list_resource {
  display: flex;
  flex-wrap: wrap;
}
.list_resource li {
  width: 32%;
  margin-right: 2%;
  position: relative;
  margin-bottom: 60px;
}
.list_resource li:nth-child(3n) {
  margin-right: 0;
}
.list_resource li .imgs {
  width: 100%;
  height: max-content;
  position: relative;
  overflow: hidden;
  display: block;
}
.list_resource li .imgs > .img {
  width: 100%;
  vertical-align: bottom;
  transition: all 0.5s;
}
.list_resource li .cnt_mask {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}
.list_resource li .font13 {
  margin: 22px 0 10px;
}
.list_resource li .font20 {
  line-height: 30px;
  transition: all 0.3s;
}
.list_resource li:hover .imgs > .img {
  transform: scale(1.15);
}
.list_resource li:hover .font20 {
  color: #27A43C;
}
body > .container {
  padding-bottom: 70px;
}
@media screen and (max-width: 1024px) {
  .category {
    padding: 30px 0;
  }
  .category a {
    font-size: 15px!important;
    margin: 0 20px!important;
    padding-bottom: 10px;
  }
  .list_resource li {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }
  .list_resource li .cnt_mask img {
    width: 38px;
  }
  .list_resource li .font13 {
    margin: 15px 0 10px;
  }
  .list_resource li .font20 {
    font-size: 17px;
    line-height: 25px;
  }
  body > .container {
    padding-bottom: 50px;
  }
}