Update app.py

app.py

@@ -239,6 +239,13 @@ with gr.Blocks(css="""
   white-space: normal !important;
   box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);  /* 可选美化 */
 }
+@media screen and (max-width: 768px) {
+  #chatbox .message {
+    font-size: 13px !important;
+    max-width: 92% !important;
+  }
+}
+
 
 footer { display: none !important; }
 .svelte-1ipelgc { display: none !important; }