更新 index.html 模板，將「彈出視窗」按鈕文字改為「新分頁」，並調整相關函式註解以反映功能變更。此次更新旨在提升用戶對功能的理解與使用體驗。

templates/index.html

@@ -1653,7 +1653,7 @@
                         </div>
                         <div class="flex gap-2">
                             <button onclick="openPreviewPopup()" class="text-sm" style="color: #A3E0C5;" onmouseover="this.style.color='#8FD4B3'" onmouseout="this.style.color='#A3E0C5'">
-                                <i class="fas fa-external-link-alt mr-1"></i>彈出視窗
+                                <i class="fas fa-external-link-alt mr-1"></i>新分頁
                             </button>
                             <button onclick="copyToClipboard()" class="text-sm" style="color: #A3E0C5;" onmouseover="this.style.color='#8FD4B3'" onmouseout="this.style.color='#A3E0C5'">
                                 <i class="fas fa-copy mr-1"></i>複製
@@ -2230,30 +2230,21 @@
             }
         }
         
-        // Open preview in popup window
+        // Open preview in new tab
         function openPreviewPopup() {
             if (!generatedHTML) {
                 showToast('請先生成 HTML！', 'error');
                 return;
             }
             
-            const width = 1200;
-            const height = 800;
-            const left = (window.screen.width - width) / 2;
-            const top = (window.screen.height - height) / 2;
-            
-            const previewWindow = window.open(
-                '', 
-                'preview_popup',
-                `width=${width},height=${height},left=${left},top=${top},resizable=yes,scrollbars=yes`
-            );
+            const previewWindow = window.open('', '_blank');
             
             if (previewWindow) {
                 previewWindow.document.write(generatedHTML);
                 previewWindow.document.close();
                 previewWindow.document.title = '預覽 - 樂寫網徵文比賽';
             } else {
-                showToast('無法開啟預覽視窗，請檢查瀏覽器的彈出視窗設定', 'error');
+                showToast('無法開啟新分頁，請檢查瀏覽器的彈出視窗設定', 'error');
             }
         }