diff --git a/index.html b/index.html
index a7d402b..60e86c1 100644
--- a/index.html
+++ b/index.html
@@ -10,7 +10,7 @@
     html, body { margin: 0; padding: 0; max-width: 100%; overflow-x: hidden; }
     body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans TC", Arial, sans-serif; line-height: 1.6; }
     img { max-width: 100%; height: auto; display: block; }
-    .container { max-width: 960px; margin: 0 auto; padding: 16px; }
+    .container { width: 960px; margin: 0 auto; padding: 16px; }
     nav a { margin-right: 12px; text-decoration: none; }
     .grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
     .col-12 { grid-column: span 12; }
@@ -63,4 +63,4 @@ <h3>待辦清單 App</h3>
     <img src="https://source.unsplash.com/600x200/?technology,abstract" alt="科技感的抽象頁尾裝飾圖">
   </footer>
 </body>
-</html>
\ No newline at end of file
+</html>