Nano Banana Prompt: What If Geschichtsumkehr-Plakat Generator

Create a full 4K vertical 3:4 historical hypothesis infographic poster titled 'What if · 历史逆转计划'.
- Background: [Background Description, e.g., Aged, textured kraft paper (light brown, slightly yellowed, with subtle creases and stains for a vintage, historical feel)]
- Art Style: [Art Style Description, e.g., All illustrations and icons are in a soft, watercolor and ink hand-drawn style, with delicate lines and muted, earthy tones. Avoid any digital or 3D effects]
- Color Palette: [Color Palette Description, e.g., Dominated by warm, earthy tones (beige, terracotta, burnt sienna, deep indigo) to match the background. Avoid bright, saturated colors to keep the mood warm and nostalgic, not oppressive]
- Layout: [Layout Description, e.g., Clean, block-based layout, with clear visual separation between sections]

### Content & Structure (Top to Bottom):
1. Header Section (Full Width):
- Main Title: 'What if · 历史逆转计划' (in a [font style 1], centered).
- Subtitle: '[Subtitle Theme, e.g., 中外历史碰撞 | {title}]' (in a smaller, [font style 2], centered below the title).
- Corner Accent: A small, hand-drawn silhouette of [left corner element, e.g., a Chinese treasure ship] on the left, and a stylized [right corner element, e.g., compass] on the right, both in [accent art style, e.g., a faded, ink-wash style].

2. Core Character Profile (Full Width):
- [{title}]
- Header: A [shape]-shaped, hand-drawn [decorative element] with a tiny emblem hinting the theme.
- Title: '[事件相关荣誉称号/标识]' ([事件官方/通用英文表述]).
- Content:
  - Basic Info: [事件相关主体/年代] ([发生年代区间]), [基本属性].
  - Core Traits: [事件核心特征].
  - Key Experiences: [事件关键过程].
  - Legacy: [事件潜在影响/意义].
- Visuals: A hand-drawn scene of the core moment with small hand-drawn icons next to each bullet.

3. The Turning Point (Full Width):
- Title: '[转折点标题]' ([转折点英文标题]).
- Content:
  - Trigger: [触发事件].
  - Key Event: [关键事件].
  - Outcome: [转折点结果].
- Visuals: A wide hand-drawn ocean/landscape scene that shows the pivotal action.

4. Core Duel Section (Full Width):
- Title: '[对比主题标题]' ([对比主题英文标题]).
- Content: A 2x2 comparison grid with icons:
  - [对比类别1]: A vs B
  - [对比类别2]: A vs B
  - [对比类别3]: A vs B
  - [对比类别4]: A vs B
- Visuals: A hand-drawn 'VS' made from crossed symbols representing the two sides.

5. What If Scenario (Full Width):
- Title: 'WHAT IF · [{title}]'.
- Content: 3 short evocative scenarios:
  - [场景1标题]: [场景1描述]
  - [场景2标题]: [场景2描述]
  - [场景3标题]: [场景3描述]
- Visuals: A small atmospheric sketch for each scenario.

6. Footer (Full Width):
- Text: '[页脚主文本, e.g., 历史没有如果，但每一次假设，都是对文明走向的深度思考.]'
- Subtext: 'What if · Historical Reversal Plan | Next episode: [下一集主题]'.
- Visuals: A faint hand-drawn old map + route line as subtle background.

### Final Notes:
- The entire infographic should feel like a sealed historical hypothesis manuscript, imaginative but thoughtful.
- All text is clear and legible, slightly handwritten texture.
- Mood: reflective and curious about civilization exchange; avoid heavy, oppressive, or one-sided interpretations.

Vertical 4K poster, direct output without extra explanation.