完善站点运营设置：分路由管理、登录可见评论、邮件模板内联与关闭注册 SSR。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/components/admin/AdminSettingsLayout.tsx

@@ -95,7 +95,7 @@ export function AdminSettingsRow({
       <div className="admin-settings-row-control">
         {children}
         {hintBelow != null && hintBelow !== "" ? (
-          <p className="admin-settings-row-hint is-below">{hintBelow}</p>
+          <div className="admin-settings-row-hint is-below">{hintBelow}</div>
         ) : null}
         {error != null && error !== "" ? (
           <p className="admin-settings-row-error" id={errorId} role="alert">