css: one-per-row Open-release cards on mobile (fix char-wrapped labels)

app.py

@@ -1226,6 +1226,11 @@ footer { display: none !important; }
     white-space: nowrap !important;
     border-radius: 12px !important;
   }
+  /* Open-release cards: one per row on mobile. The 2-up grid squeezes each
+     card to ~87px, char-wrapping the Paper / Code / Data / Model labels. */
+  .resource-grid {
+    grid-template-columns: 1fr !important;
+  }
 }
 """