Update app.py

app.py

@@ -222,7 +222,7 @@ intro_css = """
    -------------------------------------------------- */
 .introduction-wrapper, .introduction-section {
     font-family: Georgia, serif;
-    font-size: 1.4rem !important;  /* ≈22–23 px */
+    font-size: 1.6rem !important;  /* ≈22–23 px */
     line-height: 1.75;
     color: #344054;
     text-align: center;