Merge version_3 into main

Merge version_3 into main

src/app/layout.tsx

@@ -1384,4 +1384,4 @@ export default function RootLayout({
       </body>
     </html>
   );
-}
+}

src/app/page.tsx

@@ -47,7 +47,7 @@ export default function LandingPage() {
           title="Master English Vocabulary with AI"
           description="Discover definitions, examples, synonyms, and related images for any English word. Build your vocabulary effortlessly with our intelligent learning companion."
           buttons={[
-            { text: "Search Your First Word", href: "#search" },
+            { text: "Search a Word Free", href: "#search" },
             { text: "Explore Examples", href: "#tips" }
           ]}
           dashboard={{
@@ -207,4 +207,4 @@ export default function LandingPage() {
       </div>
     </ThemeProvider>
   );
-}
+}