app/node_modules/ng-zorro-antd/anchor/style/patch.less

@import '../../style/themes/index';

nz-link {
  display: block;
}

.@{ant-prefix}-anchor {
  &-wrapper {
    // This is a feature of Antd 5, so we need add in the patch file.
    &-horizontal {
      margin-left: unset;
      padding-left: unset;
      margin-bottom: -4px;
      padding-bottom: 4px;

      .ant-anchor {
        display: flex;

        &-ink {
          top: unset;
          bottom: 0;
          width: 100%;
          height: unset;

          &:before {
            width: 100%;
            height: 2px;
          }

          &-ball {
            transform: translate(-50%, -50%);
          }
        }

        &-link {
          &:first-of-type {
            padding-inline: 0;
          }
        }
      }
    }
  }
}