[dep] upgrade tailwindcss v4

package.json

@@ -40,7 +40,7 @@
     "@types/throttle-debounce": "^5.0.2",
     "ahooks": "^3.9.6",
     "framer-motion": "^12.23.24",
-    "next": "15.2.3",
+    "next": "16.0.1",
     "next-themes": "^0.4.6",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
@@ -50,6 +50,7 @@
     "tauri-plugin-system-info-api": "^2.0.10"
   },
   "devDependencies": {
+    "@tailwindcss/postcss": "^4.1.16",
     "@tauri-apps/cli": "^2.9.2",
     "@testing-library/dom": "^10.4.1",
     "@testing-library/jest-dom": "^6.9.1",
@@ -72,7 +73,7 @@
     "postcss-import": "^16.1.1",
     "postcss-nesting": "^13.0.2",
     "tailwind-merge": "3.0.2",
-    "tailwindcss": "3.4.17",
+    "tailwindcss": "^4.1.16",
     "typescript": "^5.9.3"
   },
   "browserslist": {