Files

flying-hero 96f6318101 📦 添加虚拟环境和启动脚本

新增:
- backend/venv/ - Python 虚拟环境
- backend/start.sh - 启动脚本（使用虚拟环境）
- backend/requirements.txt - 依赖列表
- .gitignore - 忽略虚拟环境和缓存文件

说明:
- 每个项目使用独立虚拟环境
- 避免依赖冲突
- 启动脚本自动创建和激活虚拟环境

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CHANGELOG.md

📦 添加虚拟环境和启动脚本

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LICENSE.md

📦 添加虚拟环境和启动脚本

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package.json

📦 添加虚拟环境和启动脚本

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README.md

📦 添加虚拟环境和启动脚本

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README.md

PostCSS Overflow Shorthand

PostCSS Overflow Shorthand lets you use the overflow shorthand in CSS, following the CSS Overflow specification.

html {
  overflow: hidden auto;
}

/* becomes */

html {
  overflow-x: hidden;
  overflow-y: auto;
  overflow: hidden auto;
}

Usage

Add PostCSS Overflow Shorthand to your project:

npm install postcss postcss-overflow-shorthand --save-dev

Use it as a PostCSS plugin:

const postcss = require('postcss');
const postcssOverflowShorthand = require('postcss-overflow-shorthand');

postcss([
  postcssOverflowShorthand(/* pluginOptions */)
]).process(YOUR_CSS /*, processOptions */);

PostCSS Overflow Shorthand runs in all Node environments, with special instructions for:

Node	PostCSS CLI	Webpack	Create React App	Gulp	Grunt

Options

preserve

The preserve option determines whether the original overflow declaration is preserved. By default, it is preserved.

postcssOverflowShorthand({ preserve: false })

html {
  overflow: hidden auto;
}

/* becomes */

html {
  overflow-x: hidden;
  overflow-y: auto;
}