feat(web): 新增 Landing 页面与 UI 优化\n\n- 新增 LandingPage、CryptoFeatureCard 等组件\n- 登录/注册页面与样式优化\n- 静态资源 images/main.png

web/package.json

@@ -8,13 +8,17 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@radix-ui/react-slot": "^1.2.3",
+    "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
+    "framer-motion": "^12.23.24",
     "lucide-react": "^0.552.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "recharts": "^2.15.2",
     "swr": "^2.2.5",
+    "tailwind-merge": "^3.3.1",
     "zustand": "^5.0.2"
   },
   "devDependencies": {