二级
{category module=share pid=$cat.pid}
</if}>{$t.name}</>
{/category}

三级
{category module=share pid=$catid return=c1}
<a href="{$c1.url}">{$c1.name}</a>
{/category}

一级

二级

一级:
{category module=share pid=1 return=c1}
<a class="mr-3 {if $cat.pid == $c1.id}  text-red{/if}" href="{$c1.url}">{$c1.name}</a>
{/category}
二级:
{category module=share pid=$cat.pid}
<a class="mr-3 {if IS_SHARE && $catid && in_array($catid, $t.catids)} text-red{/if}" href="{$t.url}" title="{$t.name}" {if $t.tid==2} target="_blank"{/if}>{$t.name}</a>
{/category}