.header {
  position: relative;
  z-index: 201;
  padding-left: 30px;
  padding-right: 30px;
  display: flex;
  align-items: center;
  height: 56px;
  background: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  .logoArea {
    width: 300px;
    .backBtn {
      display: inline-block;
      padding: 12px 10px;
      margin-right: 22px;
      cursor: pointer;
    }
    .logo {
      display: inline-block;
      width: 100px;
      overflow: hidden;
      border-radius: 3px;
      vertical-align: middle;
      font-size: 20px;
      font-weight: bold;
    }
  }
  .controlArea {
    flex: 1;
    text-align: center;
  }
  .btnArea {
    width: 320px;
    text-align: left;
  }
}