@media only screen and (min-width: 1029px){
.mainPage{
  width: 100%;
  height: 100vh;
  position: relative;
  .mapChina{
    width: 8rem;
    height: 6.24rem;
  }

  .section{
    .leftBlock{
      z-index: 1;
      .deptIntroduction,.deptOperation,.deptNews{
        height: 3.02rem;
        background: url("~@/assets/img/l-border-1.png");
        background-size: 100% 100%;
      }
      .deptOperation,.deptNews{
        margin-top: .2rem;
      }
    }
    .centerBlock {
      position: relative;
      .search-box {
        position: absolute;
        top: .2rem;
        left: .2rem;
        z-index: 1;
      }
      .nationwide,.itemNation{
        margin-top: .2rem;
        height: 3.02rem;
        background: url("~@/assets/img/c-border-b.png");
        background-size: 100% 100%;
      }
    }
    .rightBlock{
      z-index: 1;
      .knowledgeGraph,.importantProject{
        height: 4.62rem;
        background: url("~@/assets/img/r-border-1.png");
        background-size: 100% 100%;
      }
      .importantProject {
        margin-top: .2rem;
      }
    }
  }
}
}