Add "Blank" description & Update default template

main.py

@@ -32,6 +32,9 @@ def convert_markdown_to_ppt(markdown_file, markdown_text, input_type, template_f
     if template_file is not None:
         template_path = template_file.name
         command_pptx += f" --reference-doc='{template_path}'"
+    else:
+        # 使用預設樣式轉換
+        command_pptx += " --reference-doc=template.pptx"
     
     try:
         # result = subprocess.run(command_pptx, shell=True, check=True)
@@ -69,7 +72,7 @@ with gr.Blocks() as iface:
     2. **上傳或輸入 Markdown 檔案**：根據選擇進行上傳或輸入。
     3. **選擇性上傳 PPT 模板**：如需指定模板，可點擊「PPT Template (Optional)」欄位上傳 PPT 模板檔案。否則將使用預設樣式轉換。<br>
     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a. **模板格式要求**：PPT 模板檔案需為 PPTX 格式的檔案。<br>
-    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. **模板名稱要求**：模板中的樣式名稱需符合 Pandoc 的樣式名稱，如「Title Slide」、「Section Header」、「Title and Content」、「Two Content」、「Comparison」、「Content with Caption」等。<br>
+    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. **模板名稱要求**：模板中的樣式名稱需符合 Pandoc 的樣式名稱，如「Title Slide」、「Section Header」、「Title and Content」、「Two Content」、「Comparison」、「Content with Caption」、「Blank」。<br>
     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c. **模板範例參考**: [PPT 模板範例](https://huggingface.co/spaces/u5ername/markdown2ppt-docker/blob/main/template.pptx) (可以在範例的 PPT 中查看模板的命名方式)<br>
     4. **點擊提交**：點擊「Submit」按鈕進行轉換。
     5. **下載轉換結果**：轉換完成後，下載生成的 PPT 文件。
@@ -79,7 +82,7 @@ with gr.Blocks() as iface:
     2. **Upload or Enter Markdown File**: Proceed with upload or text input based on your choice.
     3. **Optionally upload a PPT template**: If you want to use a specific template, click on the "PPT Template (Optional)" field to upload a PPT template file. Otherwise, the default style will be used.<br>
     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a. **Template Format Requirements**: The PPT template file must be in PPTX format.<br>
-    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. **Template Naming Requirements**: The style names in the template must conform to Pandoc's style naming conventions, such as "Title Slide", "Section Header", "Title and Content", "Two Content", "Comparison", "Content with Caption", etc.<br>
+    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. **Template Naming Requirements**: The style names in the template must conform to Pandoc's style naming conventions, such as "Title Slide", "Section Header", "Title and Content", "Two Content", "Comparison", "Content with Caption", "Blank".<br>
     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c. **Template Example Reference**: [PPT Template Example](https://huggingface.co/spaces/u5ername/markdown2ppt-docker/blob/main/template.pptx) (You can check the naming conventions in the example PPT)<br>
     4. **Click Submit**: Press the "Submit" button to start the conversion.
     5. **Download the result**: Once the conversion is complete, download the generated PPT file.