# P3 Module 1 — 输出契约 Output Contract

A vertical infographic card (3:4 aspect ratio) for Xiaohongshu. Dark tech style.

## Visual Design

**Background**: Dark solid (#1a1a24) with faint circuit trace decorations.

**Header** (top 15%):
- Module number "01" in large cyan (#00e5ff) display font
- Title "输出契约" in bold white, subtitle "Output Contract" in muted gray
- One-line summary: "控制模型说什么、怎么说、说多少" in small cyan text

**Main content** (middle 65%):
A code block area styled like a dark IDE/terminal:
- Background slightly lighter (#1e1e2e) with rounded corners
- Monospace font, syntax-highlighted XML:

```
<output_contract>
· 只返回要求的章节
· 按要求的顺序排列
· 长度限制只应用于指定章节
· 格式要求严格遵循
</output_contract>

<verbosity_controls>
· 简洁、信息密集
· 不要重复用户请求
· 进度更新保持简短
</verbosity_controls>
```

XML tags in cyan (#00e5ff), content in white, bullets in blue (#326DF5).

**Bottom callout** (bottom 20%):
A highlighted box: "几乎所有 production prompt 都该加" with a small rocket icon.
Text in white on a dark card with blue border glow.

**Watermark**: "栗子KK" bottom-right.

**Style**: Dark tech, code-focused. NO realistic human figures.