# Welcome

<figure><img src="https://801247724-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZPPobIUdTfaJO2e4ZRwo%2Fuploads%2Fgit-blob-d8108d1de2e368cf0ef050bf973057e00edca7a4%2FAcss.svg?alt=media" alt=""><figcaption></figcaption></figure>

> Avalonia Version：11.0.0

{% hint style="success" %}
**NOTE**

This documentation is translated from chinese by [DeepL](https://www.deepl.com/translator#zh/en/). That's awesome! :thumbsup:
{% endhint %}

Avalonia Css, also named Acss, is an extension for Avalonia UI, providing ability to seperate the structure and style.

{% hint style="info" %}
Abount Avalonia, please see [here](https://www.avaloniaui.net/).
{% endhint %}

Get started about Acss here.

{% content-ref url="cong-zhe-li-kai-shi" %}
[cong-zhe-li-kai-shi](https://docs.en.avalonia.css.nlnet.net/documentation/cong-zhe-li-kai-shi)
{% endcontent-ref %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.en.avalonia.css.nlnet.net/documentation/readme.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.