Merge branch '2.6.9' into wvp-28181-2.0

648540858

2024-01-04 a2cac5ca12f100d052cb31122a84de4bba829bca

 web_src/.postcssrc.js

@@ -5,6 +5,10 @@
    "postcss-import": {},
    "postcss-url": {},
    // to edit target browsers: use "browserslist" field in package.json
    "autoprefixer": {}
    "autoprefixer": {},
    'postcss-pxtorem': {
      rootValue: 16,
      propList: ['font-size'] // 只转化font-size
    }
  }
}