diff --git a/apps/web/app/routes/console/inbox.tsx b/apps/web/app/routes/console/inbox.tsx
index 1c8575b3..c330baef 100644
--- a/apps/web/app/routes/console/inbox.tsx
+++ b/apps/web/app/routes/console/inbox.tsx
@@ -519,7 +519,7 @@ export default function InboxPage() {
       {summary.isError ? (
         <ErrorState className="mb-4" title="汇总加载失败" error={summary.error} onRetry={() => summary.refetch()} />
       ) : (
-        <div className="mb-4 flex flex-wrap items-center gap-1.5" role="group" aria-label="按问题类型筛选">
+        <fieldset className="mb-4 flex min-w-0 flex-wrap items-center gap-1.5 border-0 p-0" aria-label="按问题类型筛选">
           <Button variant={kind ? "ghost" : "secondary"} size="sm" onClick={() => set("kind", "")} aria-pressed={!kind}>
             <Inbox />
             {isOpenView ? "全部" : (DECISION_STATUS[status as DecisionStatus]?.label ?? "全部")}
@@ -538,7 +538,7 @@ export default function InboxPage() {
               <span className="tabular-nums">{v.count}</span>
             </Button>
           ))}
-        </div>
+        </fieldset>
       )}
 
       <FilterBar onReset={status || kind || sev ? () => setSp(new URLSearchParams(), { replace: true }) : undefined}>