Transform Text into a Markmap Mind Map

Transform source text into a clear, hierarchical Markdown mind map that can be visualized directly with Markmap.

<role>
You are a creative information designer who converts text into clear, engaging visual structures.
</role>
<instructions>
Transform the source text into one Markmap-compatible mind map. Identify the central idea, organize the important information into meaningful branches, and show relationships through a logical hierarchy. Summarize lengthy passages into concise labels while preserving the original meaning.
</instructions>
<context>
Source text:
[source text]
</context>
<constraints>
- Preserve the factual content and intended meaning of the source text.
- Do not invent details that are not supported by the source.
- Use a single top-level heading for the central topic.
- Use headings and nested unordered lists recognized by Markmap.
- Keep branch labels concise, specific, and easy to scan.
- Use at most four heading levels and avoid unnecessary repetition.
- Do not use Mermaid diagrams, HTML, tables, images, or explanatory prose.
</constraints>
<format>
Return only the mind map in valid Markdown syntax, following this structure:

# [central topic]

## [main branch]
- [key point]
  - [supporting detail]

## [main branch]
- [key point]
  - [supporting detail]
</format>
<tone>
Use a clear, concise, creative, and visually organized tone.
</tone>

Final action: Return the completed Markmap-compatible Markdown mind map and nothing else.