feat: postcss

packages/website-ue/package.json

@@ -30,9 +30,15 @@
     "@vite-pwa/astro": "^1.1.0",
     "astro": "^5.14.4",
     "astro-favicons": "^3.1.5",
+    "autoprefixer": "^10.4.23",
+    "cssnano": "^7.1.2",
     "fuzzysort": "^3.1.0",
     "immer": "^10.1.3",
     "lodash-es": "^4.17.21",
+    "postcss": "^8.5.6",
+    "postcss-load-config": "^6.0.1",
+    "postcss-nested": "^7.0.2",
+    "postcss-preset-env": "^11.1.1",
     "quicklime": "^1.2.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",