兼容低内核版本的浏览器

package.json

@@ -5,7 +5,10 @@
   "license": "MIT",
   "scripts": {
     "dev": "vite --host",
-    "build": "vite build",
+    "dev:legacy": "vite --config vite.legacy.config.ts --host",
+    "build": "pnpm build:legacy && pnpm build:modern",
+    "build:modern": "vite build",
+    "build:legacy": "vite build --config vite.legacy.config.ts",
     "start": "NODE_ENV=production tsx server/index.ts",
     "preview": "vite preview --host",
     "check": "tsc --noEmit",
@@ -82,6 +85,7 @@
     "postcss": "^8.4.47",
     "prettier": "^3.6.2",
     "tailwindcss": "^4.1.14",
+    "tailwindcss3": "npm:tailwindcss@^3.4.17",
     "terser": "^5.46.1",
     "tsx": "^4.19.1",
     "tw-animate-css": "^1.4.0",