example:
```mermaid
graph LR
A[1] --> B[2] --> C[3]
```
The HTML tag <details>
seems to break the used Mermaid support. Usually it’s discouraged to add HTML to Markdown as it kills the whole purpose of this format.
all right, maybe i need chage my mind, Not divided into compressed content, but made into box sub-pages.
Thank you. The right answer