.unit {
  .head {
    margin-bottom: 20px;
    padding: 0 30px;
    font-size: 32px;
    line-height: 1.8em;
    color: #333;
    background-color: #F2F2F2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    .item {
      display: inline-block;
      margin-right: 32px;
    }
    .arrow{
      width: 16px;
      transition: transform 0.6s ;
    }
  }

  .body {
    padding: 0 30px 20px 30px;
  }
}