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Original

English

🇨🇳

Translation

Chinese

<instructions> <instructions>

<instructions> <instructions>

PDF Professional Suite

PDF专业工具套件

🛠 High-Fidelity Creation

🛠 高保真生成

When generating polished reports:

Generate: Use Reportlab (programmatic) or Platypus (templated) as the primary engine.
Preview: Convert every page to PNG for inspection:
- ```
pdftoppm -png -r 150 document.pdf page
```
Inspect: Verify that charts, tables, and typography are sharp and well-aligned.

生成精美报告时：

生成：使用Reportlab（编程式）或Platypus（模板式）作为核心引擎。
预览：将每一页转换为PNG格式以便检查：
- ```
pdftoppm -png -r 150 document.pdf page
```
检查：确认图表、表格和排版清晰且对齐规整。

📋 Common Operations

📋 常见操作

1. Form Filling

1. 表单填写

Identify fillable fields using
```
scripts/extract_form_field_info.py
```
.
Reference: See
```
references/forms.md
```
for detailed instructions on filling PDF forms.
Populate fields programmatically and verify using the Render loop.

使用
```
scripts/extract_form_field_info.py
```
识别可填写字段。
参考文档：详见
```
references/forms.md
```
获取PDF表单填写的详细说明。
通过编程方式填充字段，并使用渲染循环进行校验。

2. Manipulation (pypdf)

2. 文档编辑（pypdf）

Merge: Use
```
PdfWriter
```
to combine multiple documents.
Split: Extract individual pages into new files.
Secure: Add passwords or watermarks using
```
PdfWriter.encrypt()
```
.
Reference: See
```
references/reference.md
```
for advanced features and JS library alternatives.

合并：使用
```
PdfWriter
```
合并多个文档。
拆分：提取单页保存为新文件。
加密：使用
```
PdfWriter.encrypt()
```
添加密码或水印。
参考文档：详见
```
references/reference.md
```
获取高级功能及JS库替代方案。

3. Extraction (pdfplumber)

3. 内容提取（pdfplumber）

Extract text with layout preservation.
Extract complex tables directly into Pandas DataFrames for analysis.

提取文本并保留原排版。
将复杂表格直接提取为Pandas DataFrames以便分析。

💎 Quality Expectations

💎 质量要求

Legibility: Text must be readable at 100% zoom; avoid walls of dense text.
Polish: Maintain intentional visual design—consistent margins and color palettes.
Verification: Zero defects (black squares, clipped text) permitted in final output.

</instructions>

可读性：文本在100%缩放比例下必须清晰可读；避免密集的大段文本。
美观度：保持统一的视觉设计——一致的页边距和配色方案。
校验标准：最终输出不允许存在任何缺陷（如黑块、文本截断）。

</instructions>