chore: 降级react及相关依赖到18.x版本

将项目的react、react-dom版本从19.x降级到18.3.1，同步更新对应的类型定义包，修正依赖匹配问题

package.json

@@ -12,14 +12,14 @@
   "dependencies": {
     "@arco-design/web-react": "^2.66.15",
     "axios": "^1.18.1",
-    "react": "^19.2.7",
-    "react-dom": "^19.2.7",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
     "react-router-dom": "^7.18.0"
   },
   "devDependencies": {
     "@types/node": "^24.13.2",
-    "@types/react": "^19.2.17",
-    "@types/react-dom": "^19.2.3",
+    "@types/react": "^18.3.18",
+    "@types/react-dom": "^18.3.5",
     "@vitejs/plugin-react": "^6.0.2",
     "typescript": "~6.0.2",
     "vite": "^8.1.0"