更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/postcss-env-function/CHANGELOG.md

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+# Changes to PostCSS Environment Variables
+
+### 4.0.6 (March 19, 2022)
+
+- Add deprecation notice for `postcss-env-function`
+
+[see the discussion](https://github.com/csstools/postcss-plugins/discussions/192)
+
+### 4.0.5 (February 5, 2022)
+
+- Improved `es module` and `commonjs` compatibility
+
+### 4.0.4 (January 2, 2022)
+
+- Removed Sourcemaps from package tarball.
+- Moved CLI to CLI Package. See [announcement](https://github.com/csstools/postcss-plugins/discussions/121).
+
+### 4.0.3 (December 13, 2021)
+
+- Changed: now uses `postcss-value-parser` for parsing.
+- Updated: documentation
+
+### 4.0.2 (November 18, 2021)
+
+- Added: Safeguards against postcss-values-parser potentially throwing an error.
+
+### 4.0.1 (October 28, 2021)
+
+- Updated: Enforcing styling consistency
+- Updated: `postcss-values-parser` to 6.0.1 (patch).
+
+### 4.0.0 (September 17, 2021)
+
+- Updated: Support for PostCS 8+ (major).
+- Updated: Support for Node 12+ (major).
+
+### 3.0.0 (June 13, 2019)
+
+- Updated: `postcss-values-parser` to 3.2.0 (major)
+- Updated: `postcss` to 7.0.27 (patch)
+- Updated: Support for Node 10+ (major)
+
+### 2.0.2 (September 20, 2018)
+
+- Updated: Do not break on an empty importFrom object
+
+### 2.0.1 (September 18, 2018)
+
+- Updated: Support for PostCSS Values Parser 2
+
+### 2.0.0 (September 17, 2018)
+
+- Updated: Support for PostCSS 7+
+- Updated: Support for Node 6+
+- Updated: Changed `variables` option to `importFrom` option
+
+### 1.0.0 (April 28, 2018)
+
+- Initial version

frontend/node_modules/postcss-env-function/LICENSE.md

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+# CC0 1.0 Universal
+
+## Statement of Purpose
+
+The laws of most jurisdictions throughout the world automatically confer
+exclusive Copyright and Related Rights (defined below) upon the creator and
+subsequent owner(s) (each and all, an “owner”) of an original work of
+authorship and/or a database (each, a “Work”).
+
+Certain owners wish to permanently relinquish those rights to a Work for the
+purpose of contributing to a commons of creative, cultural and scientific works
+(“Commons”) that the public can reliably and without fear of later claims of
+infringement build upon, modify, incorporate in other works, reuse and
+redistribute as freely as possible in any form whatsoever and for any purposes,
+including without limitation commercial purposes. These owners may contribute
+to the Commons to promote the ideal of a free culture and the further
+production of creative, cultural and scientific works, or to gain reputation or
+greater distribution for their Work in part through the use and efforts of
+others.
+
+For these and/or other purposes and motivations, and without any expectation of
+additional consideration or compensation, the person associating CC0 with a
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+   7. other similar, equivalent or corresponding rights throughout the world
+      based on applicable law or treaty, and any national implementations
+      thereof.
+
+2. Waiver. To the greatest extent permitted by, but not in contravention of,
+   applicable law, Affirmer hereby overtly, fully, permanently, irrevocably and
+   unconditionally waives, abandons, and surrenders all of Affirmer’s Copyright
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+   makes the Waiver for the benefit of each member of the public at large and
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+   enjoyment of the Work by the public as contemplated by Affirmer’s express
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+
+3. Public License Fallback. Should any part of the Waiver for any reason be
+   judged legally invalid or ineffective under applicable law, then the Waiver
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+   Waiver is so judged Affirmer hereby grants to each affected person a
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+   Related Rights in the Work (i) in all territories worldwide, (ii) for the
+   maximum duration provided by applicable law or treaty (including future time
+   extensions), (iii) in any current or future medium and for any number of
+   copies, and (iv) for any purpose whatsoever, including without limitation
+   commercial, advertising or promotional purposes (the “License”). The License
+   shall be deemed effective as of the date CC0 was applied by Affirmer to the
+   Work. Should any part of the License for any reason be judged legally
+   invalid or ineffective under applicable law, such partial invalidity or
+   ineffectiveness shall not invalidate the remainder of the License, and in
+   such case Affirmer hereby affirms that he or she will not (i) exercise any
+   of his or her remaining Copyright and Related Rights in the Work or (ii)
+   assert any associated claims and causes of action with respect to the Work,
+   in either case contrary to Affirmer’s express Statement of Purpose.
+
+4. Limitations and Disclaimers.
+   1. No trademark or patent rights held by Affirmer are waived, abandoned,
+      surrendered, licensed or otherwise affected by this document.
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+http://creativecommons.org/publicdomain/zero/1.0/.

frontend/node_modules/postcss-env-function/README.md

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+# PostCSS Environment Variables [<img src="https://postcss.github.io/postcss/logo.svg" alt="PostCSS Logo" width="90" height="90" align="right">][postcss]
+
+[<img alt="NPM Version" src="https://img.shields.io/npm/v/postcss-env-function.svg" height="20">][npm-url]
+[<img alt="CSS Standard Status" src="https://cssdb.org/images/badges/environment-variables.svg" height="20">][css-url]
+[<img alt="Build Status" src="https://github.com/csstools/postcss-plugins/actions/workflows/test.yml/badge.svg" height="20">][cli-url]
+[<img alt="Discord" src="https://shields.io/badge/Discord-5865F2?logo=discord&logoColor=white">][discord]
+
+[PostCSS Environment Variables] lets you use `env()` variables in CSS, following the [CSS Environment Variables] specification.
+
+```pcss
+@media (max-width: env(--branding-small)) {
+  body {
+    padding: env(--branding-padding);
+  }
+}
+
+/* becomes */
+
+@media (min-width: 600px) {
+  body {
+    padding: 20px;
+  }
+}
+
+/* when the `importFrom` option is: {
+  "environmentVariables": {
+    "--branding-small": "600px",
+    "--branding-padding": "20px"
+  }
+} */
+```
+
+## Usage
+
+Add [PostCSS Environment Variables] to your project:
+
+```bash
+npm install postcss postcss-env-function --save-dev
+```
+
+Use it as a [PostCSS] plugin:
+
+```js
+const postcss = require('postcss')
+const postcssEnvFunction = require('postcss-env-function')
+
+postcss([
+  postcssEnvFunction(/* pluginOptions */)
+]).process(YOUR_CSS /*, processOptions */)
+```
+
+[PostCSS Environment Variables] runs in all Node environments, with special instructions for:
+
+| [Node](INSTALL.md#node) | [PostCSS CLI](INSTALL.md#postcss-cli) | [Webpack](INSTALL.md#webpack) | [Create React App](INSTALL.md#create-react-app) | [Gulp](INSTALL.md#gulp) | [Grunt](INSTALL.md#grunt) |
+| --- | --- | --- | --- | --- | --- |
+
+## Options
+
+### importFrom
+
+The `importFrom` option specifies sources where Environment Variables can be imported from, which might be JS and JSON files, functions, and directly passed objects.
+
+```js
+postcssEnvFunction({
+  importFrom: 'path/to/file.js' /* module.exports = {
+      environmentVariables: {
+        '--branding-padding': '20px',
+        '--branding-small': '600px'
+      }
+    } */
+})
+```
+
+```pcss
+@media (max-width: env(--branding-small)) {
+  body {
+    padding: env(--branding-padding);
+  }
+}
+
+/* becomes */
+
+@media (min-width: 600px) {
+  body {
+    padding: 20px;
+  }
+}
+```
+
+Multiple sources can be passed into this option, and they will be parsed in the order they are received. JavaScript files, JSON files, functions, and objects will need to namespace Custom Properties using the `environmentVariables` or `environment-variables` key.
+
+```js
+postcssEnvFunction({
+  importFrom: [
+    /* Import from a CommonJS file:
+    
+    module.exports = {
+      environmentVariables: {
+        '--branding-padding': '20px'
+      }
+    } */
+    'path/to/file.js',
+
+    /* Import from a JSON file:
+
+    {
+      "environment-variables": {
+        "--branding-padding": "20px"
+      }
+    } */
+    'and/then/this.json',
+
+    /* Import from an JavaScript Object: */
+    {
+      environmentVariables: { '--branding-padding': '20px' }
+    },
+
+    /* Import from a JavaScript Function: */
+    () => {
+      const environmentVariables = { '--branding-padding': '20px' }
+
+      return { environmentVariables }
+    }
+  ]
+})
+```
+
+See example imports written in [JS](test/import-variables.js) and [JSON](test/import-variables.json).
+Currently only valid [custom property names] (beginning with `--`) are accepted.
+Not all valid [declaration value names] are accepted.
+
+### disableDeprecationNotice
+
+Silence the deprecation notice that is printed to the console when using `importFrom``.
+
+> postcss-env-function is deprecated and will be removed.
+> Check the discussion on github for more details. https://github.com/csstools/postcss-plugins/discussions/192
+
+[cli-url]: https://github.com/csstools/postcss-plugins/actions/workflows/test.yml?query=workflow/test
+[css-url]: https://cssdb.org/#environment-variables
+[discord]: https://discord.gg/bUadyRwkJS
+[npm-url]: https://www.npmjs.com/package/postcss-env-function
+
+[CSS Environment Variables]: https://drafts.csswg.org/css-env-1/
+[PostCSS]: https://github.com/postcss/postcss
+[PostCSS Environment Variables]: https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-env-function
+
+[custom property names]: https://drafts.csswg.org/css-variables-1/#typedef-custom-property-name
+[declaration value names]: https://drafts.csswg.org/css-syntax-3/#typedef-declaration-value

frontend/node_modules/postcss-env-function/package.json

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+{
+	"name": "postcss-env-function",
+	"description": "Use env() variables in CSS",
+	"version": "4.0.6",
+	"author": "Jonathan Neal <jonathantneal@hotmail.com>",
+	"license": "CC0-1.0",
+	"engines": {
+		"node": "^12 || ^14 || >=16"
+	},
+	"main": "dist/index.cjs",
+	"module": "dist/index.mjs",
+	"exports": {
+		".": {
+			"import": "./dist/index.mjs",
+			"require": "./dist/index.cjs",
+			"default": "./dist/index.mjs"
+		}
+	},
+	"files": [
+		"CHANGELOG.md",
+		"LICENSE.md",
+		"README.md",
+		"dist"
+	],
+	"dependencies": {
+		"postcss-value-parser": "^4.2.0"
+	},
+	"peerDependencies": {
+		"postcss": "^8.4"
+	},
+	"scripts": {
+		"build": "rollup -c ../../rollup/default.js",
+		"clean": "node -e \"fs.rmSync('./dist', { recursive: true, force: true });\"",
+		"docs": "node ../../.github/bin/generate-docs/install.mjs",
+		"lint": "npm run lint:eslint && npm run lint:package-json",
+		"lint:eslint": "eslint ./src --ext .js --ext .ts --ext .mjs --no-error-on-unmatched-pattern",
+		"lint:package-json": "node ../../.github/bin/format-package-json.mjs",
+		"prepublishOnly": "npm run clean && npm run build && npm run test",
+		"test": "node .tape.cjs && npm run test:exports",
+		"test:exports": "node ./test/_import.mjs && node ./test/_require.cjs",
+		"test:rewrite-expects": "REWRITE_EXPECTS=true node .tape.cjs"
+	},
+	"homepage": "https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-env-function#readme",
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/csstools/postcss-plugins.git",
+		"directory": "plugins/postcss-env-function"
+	},
+	"bugs": "https://github.com/csstools/postcss-plugins/issues",
+	"keywords": [
+		"constants",
+		"css",
+		"environments",
+		"envs",
+		"functions",
+		"postcss",
+		"postcss-plugin",
+		"variables"
+	],
+	"csstools": {
+		"exportName": "postcssEnvFunction",
+		"humanReadableName": "PostCSS Environment Variables"
+	},
+	"volta": {
+		"extends": "../../package.json"
+	}
+}