chore(web): 清理四项未使用的前端开发依赖

web/package.json

@@ -27,14 +27,10 @@
     "vue-sonner": "^2.0.9"
   },
   "devDependencies": {
-    "@tailwindcss/forms": "^0.5.11",
-    "@tailwindcss/typography": "^0.5.20",
     "@tailwindcss/vite": "^4.3.3",
     "@types/node": "^24.13.3",
     "@vitejs/plugin-vue": "^6.0.8",
     "@vue/tsconfig": "^0.8.1",
-    "autoprefixer": "^10.5.4",
-    "postcss": "^8.5.19",
     "tailwindcss": "^4.3.3",
     "typescript": "~5.9.3",
     "vite": "^7.3.6",