.expressionGroup {
  position: relative;
  margin: 8px 0;
  padding-right: 23px;
  padding-left: 8px;
  background-color: #ffffff;
  border: 1px dashed #8c8c8c;
  border-right: 4px solid rgba(24, 144, 255, 0.35);

  .ant-collapse-header {
    display: inline-flex;
    width: 100%;
    padding: 0 !important;
    border-bottom: 1px solid #d9d9d9;

    &::before {
      display: none;
    }
  }

  .header {
    display: inline-flex;
    flex: 0.9;
    align-items: center;
    justify-content: space-between;
    height: auto;
    margin: 8px 0;
    padding: 0;
    font-weight: bold;
    font-size: 16px;

    .title {
      margin-left: 8px;
    }

    .typeLabel {
      display: inline-flex;
      font-size: 14px;
      white-space: nowrap;

      .typeName {
        max-width: 240px;
        overflow: hidden;
        text-overflow: ellipsis;
      }
    }
  }

  .addExpressionButton {
    width: 100%;
    margin: 8px 0;
  }

  .switchButton {
    @color: #1890ff;
    position: absolute;
    top: 40%;
    right: -25px;
    z-index: 9;
    background-color: @color;
    border-color: @color;
  }

  .expressonList {
    .item {
      width: 100%;
      margin: 8px 0;
    }
  }
}