[bugfix] sort by dropdown fixed

src/components/CardGrid.astro

@@ -187,7 +187,7 @@ import BackToTop from "./BackToTop.astro"
 
   // ── Sort dropdown ─────────────────────────────────────────────────────────
   document.addEventListener('click', (e) => {
-    const btn = e.target.closest('#sortBy [data-bs-toggle="dropdown"]');
+    const btn = e.target.closest('#sortBy [data-toggle="sort-dropdown"]');
     if (btn) {
       e.preventDefault();
       e.stopPropagation();