.container {
  padding: 0;
}
.column_banner img {
  width: 100%;
  height: auto;
}
.inner_container {
  max-width: 1400px;
  width: auto;
  height: 4rem;
  line-height: 4rem;
  text-align: right;
  margin: 0 auto;
  color: #666;
}
.inner_container a {
  font-size: 0.8rem;
  color: #999;
}

.project_article {
  padding: 8vh 0;
  background-color: #f0f0f0;
}
.project_article .column {
  width: 23%;
  height: 350px;
  background-color: #fff;
  border-radius: 10px;
  padding: 70px 30px 0 30px;
  position: relative;
  text-align: center;
  margin: 1% 1%;
}
.project_article .column img {
  position: absolute;
  width: 86px;
  height: 80px;
  top: 60px;
  left: 50%;
  margin-left: -43px;
}
.project_article .column img:nth-child(1) {
  display: block;
}
.project_article .column img:nth-child(2) {
  display: none;
}
.project_article .column h4 {
  font-size: 1.8rem;
  margin-top: 100px;
  color: #000;
}
.project_article .column p {
  font-size: 1rem;
  color: #333;
  margin-top: 20px;
  line-height: 24px;
}
.project_article .column:hover {
  background-color: #0053a6;
}
.project_article .column:hover img:nth-child(1) {
  display: none;
}
.project_article .column:hover img:nth-child(2) {
  display: block;
}
.project_article .column:hover h4 {
  color: #fff;
}
.project_article .column:hover p {
  color: #fff;
}

.page_show{
  height: auto;
  overflow: hidden;
}
.page_show img{
  width: 100%;
  height: auto;
}
@media(max-width:768px){
  .project_article .column p{
    display: none;
  }
  .project_article .row{
    width: 100%;
    margin: 0;
  }
  .project_article .column{
    width: 25%;
    margin: 0;
    padding: 0;
    height: auto;
    margin-bottom: 20px;
    background: none;
  }
  .project_article .column h4{
    font-size: 16px;
    margin-top: 150px;
  }
}