feat: 智能客服系统基础架构完成

✅ 已完成功能： 1. 项目基础设施和Docker开发环境 2. 前端React 18 + TypeScript架构 3. 后端Golang + Gin框架 4. 多租户数据库设计 5. 完整API路由系统 6. 智能客服聊天界面 7. 详细文档和部署指南 🔧 技术栈： - 前端：React 18, TypeScript, Vite, Zustand - 后端：Golang, Gin, GORM, PostgreSQL - 部署：Docker, Docker Compose 🎨 设计规范： - 无渐变色，无紫色 - 简洁专业的中性色系 - 响应式布局 📊 状态： - 前端开发服务器：http://localhost:5173 - 后端API服务：http://localhost:8080 - 数据库：PostgreSQL + Redis - 完整的多租户架构作者：小弟 (大哥的AI助手) 日期：2026-02-27
2026-02-27 17:00:15 +08:00
parent f10d2c99b0
commit c68ea3b600
51 changed files with 10816 additions and 1 deletions
--- a/frontend/.gitignore
+++ b/frontend/.gitignore
@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
--- a/frontend/Dockerfile.dev
+++ b/frontend/Dockerfile.dev
@@ -0,0 +1,30 @@
+FROM node:18-alpine AS builder
+
+WORKDIR /app
+
+# 复制package文件
+COPY package*.json ./
+
+# 安装依赖
+RUN npm ci --only=production
+
+# 复制源代码
+COPY . .
+
+# 构建应用
+RUN npm run build
+
+# 运行阶段
+FROM nginx:alpine
+
+# 复制构建产物
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# 复制nginx配置
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# 暴露端口
+EXPOSE 3000
+
+# 启动nginx
+CMD ["nginx", "-g", "daemon off;"]
--- a/frontend/README.md
+++ b/frontend/README.md
@@ -0,0 +1,73 @@
+# React + TypeScript + Vite
+
+This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
+
+Currently, two official plugins are available:
+
+- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Babel](https://babeljs.io/) (or [oxc](https://oxc.rs) when used in [rolldown-vite](https://vite.dev/guide/rolldown)) for Fast Refresh
+- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
+
+## React Compiler
+
+The React Compiler is not enabled on this template because of its impact on dev & build performances. To add it, see [this documentation](https://react.dev/learn/react-compiler/installation).
+
+## Expanding the ESLint configuration
+
+If you are developing a production application, we recommend updating the configuration to enable type-aware lint rules:
+
+```js
+export default defineConfig([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{ts,tsx}'],
+    extends: [
+      // Other configs...
+
+      // Remove tseslint.configs.recommended and replace with this
+      tseslint.configs.recommendedTypeChecked,
+      // Alternatively, use this for stricter rules
+      tseslint.configs.strictTypeChecked,
+      // Optionally, add this for stylistic rules
+      tseslint.configs.stylisticTypeChecked,
+
+      // Other configs...
+    ],
+    languageOptions: {
+      parserOptions: {
+        project: ['./tsconfig.node.json', './tsconfig.app.json'],
+        tsconfigRootDir: import.meta.dirname,
+      },
+      // other options...
+    },
+  },
+])
+```
+
+You can also install [eslint-plugin-react-x](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-x) and [eslint-plugin-react-dom](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-dom) for React-specific lint rules:
+
+```js
+// eslint.config.js
+import reactX from 'eslint-plugin-react-x'
+import reactDom from 'eslint-plugin-react-dom'
+
+export default defineConfig([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{ts,tsx}'],
+    extends: [
+      // Other configs...
+      // Enable lint rules for React
+      reactX.configs['recommended-typescript'],
+      // Enable lint rules for React DOM
+      reactDom.configs.recommended,
+    ],
+    languageOptions: {
+      parserOptions: {
+        project: ['./tsconfig.node.json', './tsconfig.app.json'],
+        tsconfigRootDir: import.meta.dirname,
+      },
+      // other options...
+    },
+  },
+])
+```
--- a/frontend/eslint.config.js
+++ b/frontend/eslint.config.js
@@ -0,0 +1,23 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+import { defineConfig, globalIgnores } from 'eslint/config'
+
+export default defineConfig([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{ts,tsx}'],
+    extends: [
+      js.configs.recommended,
+      tseslint.configs.recommended,
+      reactHooks.configs.flat.recommended,
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+  },
+])
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>frontend</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "frontend",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "lint": "eslint .",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@tanstack/react-query": "^5.90.21",
+    "@tanstack/react-table": "^8.21.3",
+    "axios": "^1.13.5",
+    "dayjs": "^1.11.19",
+    "lucide-react": "^0.575.0",
+    "react": "^19.2.0",
+    "react-dom": "^19.2.0",
+    "react-router-dom": "^7.13.1",
+    "socket.io-client": "^4.8.3",
+    "zustand": "^5.0.11"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.39.1",
+    "@types/node": "^24.10.1",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
+    "@vitejs/plugin-react": "^5.1.1",
+    "eslint": "^9.39.1",
+    "eslint-plugin-react-hooks": "^7.0.1",
+    "eslint-plugin-react-refresh": "^0.4.24",
+    "globals": "^16.5.0",
+    "typescript": "~5.9.3",
+    "typescript-eslint": "^8.48.0",
+    "vite": "^7.3.1"
+  }
+}
--- a/frontend/pnpm-lock.yaml
+++ b/frontend/pnpm-lock.yaml
--- a/frontend/public/vite.svg
+++ b/frontend/public/vite.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -0,0 +1,42 @@
+#root {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 2rem;
+  text-align: center;
+}
+
+.logo {
+  height: 6em;
+  padding: 1.5em;
+  will-change: filter;
+  transition: filter 300ms;
+}
+.logo:hover {
+  filter: drop-shadow(0 0 2em #646cffaa);
+}
+.logo.react:hover {
+  filter: drop-shadow(0 0 2em #61dafbaa);
+}
+
+@keyframes logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  a:nth-of-type(2) .logo {
+    animation: logo-spin infinite 20s linear;
+  }
+}
+
+.card {
+  padding: 2em;
+}
+
+.read-the-docs {
+  color: #888;
+}
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -0,0 +1,33 @@
+import { BrowserRouter as Router, Routes, Route, Navigate } from 'react-router-dom';
+import { ThemeProvider } from './hooks/useTheme';
+import { AppLayout } from './components/Layout/AppLayout';
+import { Dashboard } from './pages/Dashboard';
+import { Conversations } from './pages/Conversations';
+import { Tickets } from './pages/Tickets';
+import { Agents } from './pages/Agents';
+import { Knowledge } from './pages/Knowledge';
+import { Tenants } from './pages/Tenants';
+import { Settings } from './pages/Settings';
+
+function App() {
+  return (
+    <ThemeProvider>
+      <Router>
+        <Routes>
+          <Route path="/" element={<AppLayout />}>
+            <Route index element={<Navigate to="/dashboard" replace />} />
+            <Route path="dashboard" element={<Dashboard />} />
+            <Route path="conversations" element={<Conversations />} />
+            <Route path="tickets" element={<Tickets />} />
+            <Route path="agents" element={<Agents />} />
+            <Route path="knowledge" element={<Knowledge />} />
+            <Route path="tenants" element={<Tenants />} />
+            <Route path="settings" element={<Settings />} />
+          </Route>
+        </Routes>
+      </Router>
+    </ThemeProvider>
+  );
+}
+
+export default App;
--- a/frontend/src/assets/react.svg
+++ b/frontend/src/assets/react.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="35.93" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 228"><path fill="#00D8FF" d="M210.483 73.824a171.49 171.49 0 0 0-8.24-2.597c.465-1.9.893-3.777 1.273-5.621c6.238-30.281 2.16-54.676-11.769-62.708c-13.355-7.7-35.196.329-57.254 19.526a171.23 171.23 0 0 0-6.375 5.848a155.866 155.866 0 0 0-4.241-3.917C100.759 3.829 77.587-4.822 63.673 3.233C50.33 10.957 46.379 33.89 51.995 62.588a170.974 170.974 0 0 0 1.892 8.48c-3.28.932-6.445 1.924-9.474 2.98C17.309 83.498 0 98.307 0 113.668c0 15.865 18.582 31.778 46.812 41.427a145.52 145.52 0 0 0 6.921 2.165a167.467 167.467 0 0 0-2.01 9.138c-5.354 28.2-1.173 50.591 12.134 58.266c13.744 7.926 36.812-.22 59.273-19.855a145.567 145.567 0 0 0 5.342-4.923a168.064 168.064 0 0 0 6.92 6.314c21.758 18.722 43.246 26.282 56.54 18.586c13.731-7.949 18.194-32.003 12.4-61.268a145.016 145.016 0 0 0-1.535-6.842c1.62-.48 3.21-.974 4.76-1.488c29.348-9.723 48.443-25.443 48.443-41.52c0-15.417-17.868-30.326-45.517-39.844Zm-6.365 70.984c-1.4.463-2.836.91-4.3 1.345c-3.24-10.257-7.612-21.163-12.963-32.432c5.106-11 9.31-21.767 12.459-31.957c2.619.758 5.16 1.557 7.61 2.4c23.69 8.156 38.14 20.213 38.14 29.504c0 9.896-15.606 22.743-40.946 31.14Zm-10.514 20.834c2.562 12.94 2.927 24.64 1.23 33.787c-1.524 8.219-4.59 13.698-8.382 15.893c-8.067 4.67-25.32-1.4-43.927-17.412a156.726 156.726 0 0 1-6.437-5.87c7.214-7.889 14.423-17.06 21.459-27.246c12.376-1.098 24.068-2.894 34.671-5.345a134.17 134.17 0 0 1 1.386 6.193ZM87.276 214.515c-7.882 2.783-14.16 2.863-17.955.675c-8.075-4.657-11.432-22.636-6.853-46.752a156.923 156.923 0 0 1 1.869-8.499c10.486 2.32 22.093 3.988 34.498 4.994c7.084 9.967 14.501 19.128 21.976 27.15a134.668 134.668 0 0 1-4.877 4.492c-9.933 8.682-19.886 14.842-28.658 17.94ZM50.35 144.747c-12.483-4.267-22.792-9.812-29.858-15.863c-6.35-5.437-9.555-10.836-9.555-15.216c0-9.322 13.897-21.212 37.076-29.293c2.813-.98 5.757-1.905 8.812-2.773c3.204 10.42 7.406 21.315 12.477 32.332c-5.137 11.18-9.399 22.249-12.634 32.792a134.718 134.718 0 0 1-6.318-1.979Zm12.378-84.26c-4.811-24.587-1.616-43.134 6.425-47.789c8.564-4.958 27.502 2.111 47.463 19.835a144.318 144.318 0 0 1 3.841 3.545c-7.438 7.987-14.787 17.08-21.808 26.988c-12.04 1.116-23.565 2.908-34.161 5.309a160.342 160.342 0 0 1-1.76-7.887Zm110.427 27.268a347.8 347.8 0 0 0-7.785-12.803c8.168 1.033 15.994 2.404 23.343 4.08c-2.206 7.072-4.956 14.465-8.193 22.045a381.151 381.151 0 0 0-7.365-13.322Zm-45.032-43.861c5.044 5.465 10.096 11.566 15.065 18.186a322.04 322.04 0 0 0-30.257-.006c4.974-6.559 10.069-12.652 15.192-18.18ZM82.802 87.83a323.167 323.167 0 0 0-7.227 13.238c-3.184-7.553-5.909-14.98-8.134-22.152c7.304-1.634 15.093-2.97 23.209-3.984a321.524 321.524 0 0 0-7.848 12.897Zm8.081 65.352c-8.385-.936-16.291-2.203-23.593-3.793c2.26-7.3 5.045-14.885 8.298-22.6a321.187 321.187 0 0 0 7.257 13.246c2.594 4.48 5.28 8.868 8.038 13.147Zm37.542 31.03c-5.184-5.592-10.354-11.779-15.403-18.433c4.902.192 9.899.29 14.978.29c5.218 0 10.376-.117 15.453-.343c-4.985 6.774-10.018 12.97-15.028 18.486Zm52.198-57.817c3.422 7.8 6.306 15.345 8.596 22.52c-7.422 1.694-15.436 3.058-23.88 4.071a382.417 382.417 0 0 0 7.859-13.026a347.403 347.403 0 0 0 7.425-13.565Zm-16.898 8.101a358.557 358.557 0 0 1-12.281 19.815a329.4 329.4 0 0 1-23.444.823c-7.967 0-15.716-.248-23.178-.732a310.202 310.202 0 0 1-12.513-19.846h.001a307.41 307.41 0 0 1-10.923-20.627a310.278 310.278 0 0 1 10.89-20.637l-.001.001a307.318 307.318 0 0 1 12.413-19.761c7.613-.576 15.42-.876 23.31-.876H128c7.926 0 15.743.303 23.354.883a329.357 329.357 0 0 1 12.335 19.695a358.489 358.489 0 0 1 11.036 20.54a329.472 329.472 0 0 1-11 20.722Zm22.56-122.124c8.572 4.944 11.906 24.881 6.52 51.026c-.344 1.668-.73 3.367-1.15 5.09c-10.622-2.452-22.155-4.275-34.23-5.408c-7.034-10.017-14.323-19.124-21.64-27.008a160.789 160.789 0 0 1 5.888-5.4c18.9-16.447 36.564-22.941 44.612-18.3ZM128 90.808c12.625 0 22.86 10.235 22.86 22.86s-10.235 22.86-22.86 22.86s-22.86-10.235-22.86-22.86s10.235-22.86 22.86-22.86Z"></path></svg>
--- a/frontend/src/components/Chat/ChatInterface.tsx
+++ b/frontend/src/components/Chat/ChatInterface.tsx
@@ -0,0 +1,513 @@
+import React, { useState, useRef, useEffect } from 'react';
+import { useTheme } from '../../hooks/useTheme';
+import { Send, Paperclip, Smile, Bot, User, Clock, Check, CheckCheck } from 'lucide-react';
+
+interface Message {
+  id: string;
+  content: string;
+  sender: 'user' | 'agent' | 'ai';
+  senderName: string;
+  timestamp: Date;
+  status: 'sending' | 'sent' | 'delivered' | 'read';
+}
+
+export const ChatInterface: React.FC = () => {
+  const { theme } = useTheme();
+  const [messages, setMessages] = useState<Message[]>([
+    {
+      id: '1',
+      content: '您好！我是智能客服助手，有什么可以帮您的吗？',
+      sender: 'ai',
+      senderName: 'AI助手',
+      timestamp: new Date(Date.now() - 3600000),
+      status: 'read',
+    },
+    {
+      id: '2',
+      content: '我想咨询一下产品的价格信息',
+      sender: 'user',
+      senderName: '张三',
+      timestamp: new Date(Date.now() - 3500000),
+      status: 'read',
+    },
+    {
+      id: '3',
+      content: '我们提供三种套餐：基础版（免费）、专业版（¥299/月）、企业版（¥999/月）。您需要了解哪个套餐的详细信息？',
+      sender: 'ai',
+      senderName: 'AI助手',
+      timestamp: new Date(Date.now() - 3400000),
+      status: 'read',
+    },
+    {
+      id: '4',
+      content: '我想了解专业版的功能',
+      sender: 'user',
+      senderName: '张三',
+      timestamp: new Date(Date.now() - 3300000),
+      status: 'read',
+    },
+    {
+      id: '5',
+      content: '专业版包含：1. 无限会话 2. 高级分析报告 3. 自定义工作流 4. 优先技术支持 5. API访问权限。需要我为您创建试用账户吗？',
+      sender: 'ai',
+      senderName: 'AI助手',
+      timestamp: new Date(Date.now() - 3200000),
+      status: 'read',
+    },
+  ]);
+  const [inputValue, setInputValue] = useState('');
+  const [isTyping, setIsTyping] = useState(false);
+  const messagesEndRef = useRef<HTMLDivElement>(null);
+
+  const scrollToBottom = () => {
+    messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' });
+  };
+
+  useEffect(() => {
+    scrollToBottom();
+  }, [messages]);
+
+  const handleSendMessage = () => {
+    if (!inputValue.trim()) return;
+
+    const newMessage: Message = {
+      id: Date.now().toString(),
+      content: inputValue,
+      sender: 'user',
+      senderName: '张三',
+      timestamp: new Date(),
+      status: 'sending',
+    };
+
+    setMessages([...messages, newMessage]);
+    setInputValue('');
+    setIsTyping(true);
+
+    // 模拟AI回复
+    setTimeout(() => {
+      const aiResponse: Message = {
+        id: (Date.now() + 1).toString(),
+        content: `收到您的问题："${inputValue}"。我正在为您查找相关信息...`,
+        sender: 'ai',
+        senderName: 'AI助手',
+        timestamp: new Date(),
+        status: 'sent',
+      };
+      setMessages(prev => [...prev, aiResponse]);
+      setIsTyping(false);
+    }, 1000);
+  };
+
+  const handleKeyPress = (e: React.KeyboardEvent) => {
+    if (e.key === 'Enter' && !e.shiftKey) {
+      e.preventDefault();
+      handleSendMessage();
+    }
+  };
+
+  const formatTime = (date: Date) => {
+    return date.toLocaleTimeString('zh-CN', { 
+      hour: '2-digit', 
+      minute: '2-digit' 
+    });
+  };
+
+  const getStatusIcon = (status: Message['status']) => {
+    switch (status) {
+      case 'sending':
+        return <Clock size={12} color={theme.colors.text.secondary} />;
+      case 'sent':
+        return <Check size={12} color={theme.colors.text.secondary} />;
+      case 'delivered':
+        return <CheckCheck size={12} color={theme.colors.text.secondary} />;
+      case 'read':
+        return <CheckCheck size={12} color={theme.colors.primary[500]} />;
+    }
+  };
+
+  return (
+    <div style={{
+      display: 'flex',
+      flexDirection: 'column',
+      height: '600px',
+      backgroundColor: theme.colors.background.card,
+      borderRadius: theme.borderRadius.lg,
+      border: `1px solid ${theme.colors.border.light}`,
+      overflow: 'hidden',
+      boxShadow: theme.shadows.md,
+    }}>
+      {/* 聊天头部 */}
+      <div style={{
+        padding: theme.spacing.md,
+        borderBottom: `1px solid ${theme.colors.border.light}`,
+        backgroundColor: theme.colors.background.sidebar,
+        display: 'flex',
+        alignItems: 'center',
+        justifyContent: 'space-between',
+      }}>
+        <div style={{ display: 'flex', alignItems: 'center', gap: theme.spacing.sm }}>
+          <div style={{
+            width: '40px',
+            height: '40px',
+            borderRadius: '50%',
+            backgroundColor: theme.colors.primary[500],
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'center',
+            color: theme.colors.text.inverse,
+          }}>
+            <Bot size={20} />
+          </div>
+          <div>
+            <h3 style={{
+              fontSize: theme.typography.fontSize.lg,
+              fontWeight: theme.typography.fontWeight.semibold,
+              color: theme.colors.text.primary,
+              margin: 0,
+            }}>
+              智能客服对话
+            </h3>
+            <p style={{
+              fontSize: theme.typography.fontSize.xs,
+              color: theme.colors.text.secondary,
+              margin: 0,
+              display: 'flex',
+              alignItems: 'center',
+              gap: theme.spacing.xs,
+            }}>
+              <span style={{
+                width: '8px',
+                height: '8px',
+                borderRadius: '50%',
+                backgroundColor: theme.colors.semantic.success,
+              }} />
+              在线 · 平均响应时间 2秒
+            </p>
+          </div>
+        </div>
+        <div style={{
+          display: 'flex',
+          gap: theme.spacing.sm,
+        }}>
+          <button style={{
+            padding: `${theme.spacing.xs} ${theme.spacing.sm}`,
+            borderRadius: theme.borderRadius.md,
+            border: `1px solid ${theme.colors.border.default}`,
+            backgroundColor: 'transparent',
+            fontSize: theme.typography.fontSize.sm,
+            color: theme.colors.text.secondary,
+            cursor: 'pointer',
+            transition: `all ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+          }}
+          onMouseEnter={(e) => {
+            e.currentTarget.style.backgroundColor = theme.colors.neutral[100];
+            e.currentTarget.style.color = theme.colors.text.primary;
+          }}
+          onMouseLeave={(e) => {
+            e.currentTarget.style.backgroundColor = 'transparent';
+            e.currentTarget.style.color = theme.colors.text.secondary;
+          }}>
+            转人工
+          </button>
+          <button style={{
+            padding: `${theme.spacing.xs} ${theme.spacing.sm}`,
+            borderRadius: theme.borderRadius.md,
+            border: `1px solid ${theme.colors.border.default}`,
+            backgroundColor: 'transparent',
+            fontSize: theme.typography.fontSize.sm,
+            color: theme.colors.text.secondary,
+            cursor: 'pointer',
+            transition: `all ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+          }}
+          onMouseEnter={(e) => {
+            e.currentTarget.style.backgroundColor = theme.colors.neutral[100];
+            e.currentTarget.style.color = theme.colors.text.primary;
+          }}
+          onMouseLeave={(e) => {
+            e.currentTarget.style.backgroundColor = 'transparent';
+            e.currentTarget.style.color = theme.colors.text.secondary;
+          }}>
+            结束对话
+          </button>
+        </div>
+      </div>
+
+      {/* 消息区域 */}
+      <div style={{
+        flex: 1,
+        padding: theme.spacing.md,
+        overflowY: 'auto',
+        display: 'flex',
+        flexDirection: 'column',
+        gap: theme.spacing.md,
+        backgroundColor: theme.colors.neutral[50],
+      }}>
+        {messages.map((message) => (
+          <div
+            key={message.id}
+            style={{
+              display: 'flex',
+              flexDirection: 'column',
+              alignItems: message.sender === 'user' ? 'flex-end' : 'flex-start',
+              maxWidth: '80%',
+              alignSelf: message.sender === 'user' ? 'flex-end' : 'flex-start',
+            }}
+          >
+            <div style={{
+              display: 'flex',
+              alignItems: 'flex-end',
+              gap: theme.spacing.xs,
+              marginBottom: theme.spacing.xs,
+            }}>
+              {message.sender !== 'user' && (
+                <div style={{
+                  width: '24px',
+                  height: '24px',
+                  borderRadius: '50%',
+                  backgroundColor: message.sender === 'ai' 
+                    ? theme.colors.primary[500] 
+                    : theme.colors.secondary[500],
+                  display: 'flex',
+                  alignItems: 'center',
+                  justifyContent: 'center',
+                  color: theme.colors.text.inverse,
+                  flexShrink: 0,
+                }}>
+                  {message.sender === 'ai' ? <Bot size={12} /> : <User size={12} />}
+                </div>
+              )}
+              <span style={{
+                fontSize: theme.typography.fontSize.xs,
+                color: theme.colors.text.secondary,
+              }}>
+                {message.senderName}
+              </span>
+              <span style={{
+                fontSize: theme.typography.fontSize.xs,
+                color: theme.colors.text.disabled,
+              }}>
+                {formatTime(message.timestamp)}
+              </span>
+            </div>
+            <div style={{
+              padding: `${theme.spacing.sm} ${theme.spacing.md}`,
+              borderRadius: message.sender === 'user'
+                ? `${theme.borderRadius.lg} ${theme.borderRadius.lg} ${theme.borderRadius.sm} ${theme.borderRadius.lg}`
+                : `${theme.borderRadius.lg} ${theme.borderRadius.lg} ${theme.borderRadius.lg} ${theme.borderRadius.sm}`,
+              backgroundColor: message.sender === 'user'
+                ? theme.colors.primary[500]
+                : theme.colors.background.card,
+              color: message.sender === 'user'
+                ? theme.colors.text.inverse
+                : theme.colors.text.primary,
+              border: message.sender === 'user'
+                ? 'none'
+                : `1px solid ${theme.colors.border.light}`,
+              boxShadow: message.sender === 'user'
+                ? theme.shadows.sm
+                : 'none',
+              wordBreak: 'break-word',
+              whiteSpace: 'pre-wrap',
+            }}>
+              {message.content}
+            </div>
+            {message.sender === 'user' && (
+              <div style={{
+                display: 'flex',
+                alignItems: 'center',
+                gap: theme.spacing.xs,
+                marginTop: theme.spacing.xs,
+              }}>
+                {getStatusIcon(message.status)}
+                <span style={{
+                  fontSize: theme.typography.fontSize.xs,
+                  color: theme.colors.text.disabled,
+                }}>
+                  {message.status === 'sending' && '发送中'}
+                  {message.status === 'sent' && '已发送'}
+                  {message.status === 'delivered' && '已送达'}
+                  {message.status === 'read' && '已读'}
+                </span>
+              </div>
+            )}
+          </div>
+        ))}
+        
+        {isTyping && (
+          <div style={{
+            display: 'flex',
+            alignItems: 'center',
+            gap: theme.spacing.sm,
+            padding: `${theme.spacing.sm} ${theme.spacing.md}`,
+            backgroundColor: theme.colors.background.card,
+            borderRadius: theme.borderRadius.lg,
+            border: `1px solid ${theme.colors.border.light}`,
+            alignSelf: 'flex-start',
+            maxWidth: 'fit-content',
+          }}>
+            <div style={{
+              width: '24px',
+              height: '24px',
+              borderRadius: '50%',
+              backgroundColor: theme.colors.primary[500],
+              display: 'flex',
+              alignItems: 'center',
+              justifyContent: 'center',
+              color: theme.colors.text.inverse,
+            }}>
+              <Bot size={12} />
+            </div>
+            <div style={{ display: 'flex', gap: '4px' }}>
+              <div style={{
+                width: '8px',
+                height: '8px',
+                borderRadius: '50%',
+                backgroundColor: theme.colors.neutral[400],
+                animation: 'typing 1.4s infinite ease-in-out',
+              }} />
+              <div style={{
+                width: '8px',
+                height: '8px',
+                borderRadius: '50%',
+                backgroundColor: theme.colors.neutral[400],
+                animation: 'typing 1.4s infinite ease-in-out 0.2s',
+              }} />
+              <div style={{
+                width: '8px',
+                height: '8px',
+                borderRadius: '50%',
+                backgroundColor: theme.colors.neutral[400],
+                animation: 'typing 1.4s infinite ease-in-out 0.4s',
+              }} />
+            </div>
+            <style>{`
+              @keyframes typing {
+                0%, 60%, 100% { transform: translateY(0); }
+                30% { transform: translateY(-4px); }
+              }
+            `}</style>
+          </div>
+        )}
+        
+        <div ref={messagesEndRef} />
+      </div>
+
+      {/* 输入区域 */}
+      <div style={{
+        padding: theme.spacing.md,
+        borderTop: `1px solid ${theme.colors.border.light}`,
+        backgroundColor: theme.colors.background.card,
+      }}>
+        <div style={{
+          display: 'flex',
+          alignItems: 'flex-end',
+          gap: theme.spacing.sm,
+        }}>
+          <button style={{
+            padding: theme.spacing.sm,
+            borderRadius: theme.borderRadius.md,
+            border: 'none',
+            backgroundColor: 'transparent',
+            color: theme.colors.text.secondary,
+            cursor: 'pointer',
+            transition: `all ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+          }}
+          onMouseEnter={(e) => {
+            e.currentTarget.style.backgroundColor = theme.colors.neutral[100];
+            e.currentTarget.style.color = theme.colors.text.primary;
+          }}
+          onMouseLeave={(e) => {
+            e.currentTarget.style.backgroundColor = 'transparent';
+            e.currentTarget.style.color = theme.colors.text.secondary;
+          }}>
+            <Paperclip size={20} />
+          </button>
+          
+          <div style={{ flex: 1, position: 'relative' }}>
+            <textarea
+              value={inputValue}
+              onChange={(e) => setInputValue(e.target.value)}
+              onKeyPress={handleKeyPress}
+              placeholder="输入消息...（按Enter发送，Shift+Enter换行）"
+              style={{
+                width: '100%',
+                minHeight: '44px',
+                maxHeight: '120px',
+                padding: `${theme.spacing.sm} ${theme.spacing.md}`,
+                paddingRight: '40px',
+                borderRadius: theme.borderRadius.lg,
+                border: `1px solid ${theme.colors.border.default}`,
+                backgroundColor: theme.colors.background.light,
+                fontSize: theme.typography.fontSize.sm,
+                color: theme.colors.text.primary,
+                resize: 'none',
+                outline: 'none',
+                fontFamily: 'inherit',
+                lineHeight: theme.typography.lineHeight.normal,
+                transition: `border-color ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+              }}
+              onFocus={(e) => {
+                e.target.style.borderColor = theme.colors.primary[500];
+              }}
+              onBlur={(e) => {
+                e.target.style.borderColor = theme.colors.border.default;
+              }}
+            />
+            <button style={{
+              position: 'absolute',
+              right: theme.spacing.sm,
+              bottom: theme.spacing.sm,
+              padding: theme.spacing.xs,
+              borderRadius: theme.borderRadius.md,
+              border: 'none',
+              backgroundColor: 'transparent',
+              color: theme.colors.text.secondary,
+              cursor: 'pointer',
+            }}>
+              <Smile size={20} />
+            </button>
+          </div>
+          
+          <button
+            onClick={handleSendMessage}
+            disabled={!inputValue.trim()}
+            style={{
+              padding: theme.spacing.sm,
+              borderRadius: theme.borderRadius.md,
+              border: 'none',
+              backgroundColor: inputValue.trim()
+                ? theme.colors.primary[500]
+                : theme.colors.neutral[300],
+              color: theme.colors.text.inverse,
+              cursor: inputValue.trim() ? 'pointer' : 'not-allowed',
+              transition: `all ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+            }}
+            onMouseEnter={(e) => {
+              if (inputValue.trim()) {
+                e.currentTarget.style.backgroundColor = theme.colors.primary[600];
+              }
+            }}
+            onMouseLeave={(e) => {
+              if (inputValue.trim()) {
+                e.currentTarget.style.backgroundColor = theme.colors.primary[500];
+              }
+            }}
+          >
+            <Send size={20} />
+          </button>
+        </div>
+        
+        <div style={{
+          display: 'flex',
+          justifyContent: 'space-between',
+          marginTop: theme.spacing.sm,
+          fontSize: theme.typography.fontSize.xs,
+          color: theme.colors.text.secondary,
+        }}>
+          <span>支持文本、图片、文件（最大10MB）</span>
+          <span>会话ID: CS-20260227-001</span>
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/frontend/src/components/Layout/AppLayout.tsx
+++ b/frontend/src/components/Layout/AppLayout.tsx
@@ -0,0 +1,36 @@
+import React from 'react';
+import { Outlet } from 'react-router-dom';
+import { Header } from './Header';
+import { Sidebar } from './Sidebar';
+import { useTheme } from '../../hooks/useTheme';
+
+export const AppLayout: React.FC = () => {
+  const { theme } = useTheme();
+
+  return (
+    <div className="app-layout" style={{
+      display: 'flex',
+      flexDirection: 'column',
+      height: '100vh',
+      backgroundColor: theme.colors.background.light,
+      color: theme.colors.text.primary,
+    }}>
+      <Header />
+      <div style={{
+        display: 'flex',
+        flex: 1,
+        overflow: 'hidden',
+      }}>
+        <Sidebar />
+        <main style={{
+          flex: 1,
+          padding: theme.spacing.lg,
+          overflow: 'auto',
+          backgroundColor: theme.colors.background.card,
+        }}>
+          <Outlet />
+        </main>
+      </div>
+    </div>
+  );
+};
--- a/frontend/src/components/Layout/Header.tsx
+++ b/frontend/src/components/Layout/Header.tsx
@@ -0,0 +1,175 @@
+import React from 'react';
+import { useTheme } from '../../hooks/useTheme';
+import { Bell, Search, User, Settings } from 'lucide-react';
+
+export const Header: React.FC = () => {
+  const { theme } = useTheme();
+
+  return (
+    <header style={{
+      display: 'flex',
+      alignItems: 'center',
+      justifyContent: 'space-between',
+      padding: `${theme.spacing.sm} ${theme.spacing.lg}`,
+      backgroundColor: theme.colors.background.header,
+      borderBottom: `1px solid ${theme.colors.border.light}`,
+      boxShadow: theme.shadows.sm,
+    }}>
+      {/* 左侧：搜索框 */}
+      <div style={{
+        display: 'flex',
+        alignItems: 'center',
+        flex: 1,
+        maxWidth: '400px',
+      }}>
+        <div style={{
+          position: 'relative',
+          width: '100%',
+        }}>
+          <Search size={20} style={{
+            position: 'absolute',
+            left: theme.spacing.sm,
+            top: '50%',
+            transform: 'translateY(-50%)',
+            color: theme.colors.text.secondary,
+          }} />
+          <input
+            type="text"
+            placeholder="搜索对话、工单或用户..."
+            style={{
+              width: '100%',
+              padding: `${theme.spacing.sm} ${theme.spacing.sm} ${theme.spacing.sm} ${theme.spacing.xl}`,
+              borderRadius: theme.borderRadius.md,
+              border: `1px solid ${theme.colors.border.default}`,
+              backgroundColor: theme.colors.background.light,
+              fontSize: theme.typography.fontSize.sm,
+              color: theme.colors.text.primary,
+              outline: 'none',
+              transition: `border-color ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+            }}
+            onFocus={(e) => {
+              e.target.style.borderColor = theme.colors.primary[500];
+            }}
+            onBlur={(e) => {
+              e.target.style.borderColor = theme.colors.border.default;
+            }}
+          />
+        </div>
+      </div>
+
+      {/* 右侧：用户操作 */}
+      <div style={{
+        display: 'flex',
+        alignItems: 'center',
+        gap: theme.spacing.md,
+      }}>
+        {/* 通知 */}
+        <button
+          style={{
+            position: 'relative',
+            padding: theme.spacing.sm,
+            borderRadius: theme.borderRadius.full,
+            border: 'none',
+            backgroundColor: 'transparent',
+            cursor: 'pointer',
+            color: theme.colors.text.secondary,
+            transition: `all ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+          }}
+          onMouseEnter={(e) => {
+            e.currentTarget.style.backgroundColor = theme.colors.neutral[100];
+            e.currentTarget.style.color = theme.colors.text.primary;
+          }}
+          onMouseLeave={(e) => {
+            e.currentTarget.style.backgroundColor = 'transparent';
+            e.currentTarget.style.color = theme.colors.text.secondary;
+          }}
+        >
+          <Bell size={20} />
+          <span style={{
+            position: 'absolute',
+            top: '4px',
+            right: '4px',
+            width: '8px',
+            height: '8px',
+            borderRadius: '50%',
+            backgroundColor: theme.colors.semantic.error,
+            border: `2px solid ${theme.colors.background.header}`,
+          }} />
+        </button>
+
+        {/* 设置 */}
+        <button
+          style={{
+            padding: theme.spacing.sm,
+            borderRadius: theme.borderRadius.full,
+            border: 'none',
+            backgroundColor: 'transparent',
+            cursor: 'pointer',
+            color: theme.colors.text.secondary,
+            transition: `all ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+          }}
+          onMouseEnter={(e) => {
+            e.currentTarget.style.backgroundColor = theme.colors.neutral[100];
+            e.currentTarget.style.color = theme.colors.text.primary;
+          }}
+          onMouseLeave={(e) => {
+            e.currentTarget.style.backgroundColor = 'transparent';
+            e.currentTarget.style.color = theme.colors.text.secondary;
+          }}
+        >
+          <Settings size={20} />
+        </button>
+
+        {/* 用户头像 */}
+        <div style={{
+          display: 'flex',
+          alignItems: 'center',
+          gap: theme.spacing.sm,
+          padding: `${theme.spacing.xs} ${theme.spacing.sm}`,
+          borderRadius: theme.borderRadius.md,
+          cursor: 'pointer',
+          transition: `background-color ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+        }}
+        onMouseEnter={(e) => {
+          e.currentTarget.style.backgroundColor = theme.colors.neutral[100];
+        }}
+        onMouseLeave={(e) => {
+          e.currentTarget.style.backgroundColor = 'transparent';
+        }}
+        >
+          <div style={{
+            width: '32px',
+            height: '32px',
+            borderRadius: '50%',
+            backgroundColor: theme.colors.primary[500],
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'center',
+            color: theme.colors.text.inverse,
+            fontWeight: theme.typography.fontWeight.medium,
+          }}>
+            <User size={16} />
+          </div>
+          <div style={{
+            display: 'flex',
+            flexDirection: 'column',
+          }}>
+            <span style={{
+              fontSize: theme.typography.fontSize.sm,
+              fontWeight: theme.typography.fontWeight.medium,
+              color: theme.colors.text.primary,
+            }}>
+              管理员
+            </span>
+            <span style={{
+              fontSize: theme.typography.fontSize.xs,
+              color: theme.colors.text.secondary,
+            }}>
+              admin@example.com
+            </span>
+          </div>
+        </div>
+      </div>
+    </header>
+  );
+};
--- a/frontend/src/components/Layout/Sidebar.tsx
+++ b/frontend/src/components/Layout/Sidebar.tsx
@@ -0,0 +1,235 @@
+import React from 'react';
+import { NavLink } from 'react-router-dom';
+import { useTheme } from '../../hooks/useTheme';
+import { 
+  MessageSquare, 
+  Ticket, 
+  Users, 
+  BookOpen, 
+  BarChart3, 
+  Settings,
+  HelpCircle,
+  Building
+} from 'lucide-react';
+
+const menuItems = [
+  {
+    id: 'dashboard',
+    label: '仪表板',
+    icon: BarChart3,
+    path: '/dashboard',
+  },
+  {
+    id: 'conversations',
+    label: '智能客服',
+    icon: MessageSquare,
+    path: '/conversations',
+    badge: 12,
+  },
+  {
+    id: 'tickets',
+    label: '工单系统',
+    icon: Ticket,
+    path: '/tickets',
+    badge: 5,
+  },
+  {
+    id: 'agents',
+    label: '人工客服',
+    icon: Users,
+    path: '/agents',
+  },
+  {
+    id: 'knowledge',
+    label: '知识库',
+    icon: BookOpen,
+    path: '/knowledge',
+  },
+  {
+    id: 'tenants',
+    label: '租户管理',
+    icon: Building,
+    path: '/tenants',
+  },
+  {
+    id: 'help',
+    label: '帮助中心',
+    icon: HelpCircle,
+    path: '/help',
+  },
+  {
+    id: 'settings',
+    label: '系统设置',
+    icon: Settings,
+    path: '/settings',
+  },
+];
+
+export const Sidebar: React.FC = () => {
+  const { theme } = useTheme();
+
+  return (
+    <aside style={{
+      width: '240px',
+      backgroundColor: theme.colors.background.sidebar,
+      borderRight: `1px solid ${theme.colors.border.light}`,
+      display: 'flex',
+      flexDirection: 'column',
+      padding: theme.spacing.md,
+      overflowY: 'auto',
+    }}>
+      {/* Logo */}
+      <div style={{
+        display: 'flex',
+        alignItems: 'center',
+        gap: theme.spacing.sm,
+        padding: `${theme.spacing.md} ${theme.spacing.sm}`,
+        marginBottom: theme.spacing.lg,
+      }}>
+        <div style={{
+          width: '32px',
+          height: '32px',
+          borderRadius: theme.borderRadius.md,
+          backgroundColor: theme.colors.primary[500],
+          display: 'flex',
+          alignItems: 'center',
+          justifyContent: 'center',
+          color: theme.colors.text.inverse,
+          fontWeight: theme.typography.fontWeight.bold,
+        }}>
+          CS
+        </div>
+        <div>
+          <h1 style={{
+            fontSize: theme.typography.fontSize.lg,
+            fontWeight: theme.typography.fontWeight.bold,
+            color: theme.colors.text.primary,
+            margin: 0,
+          }}>
+            智能客服系统
+          </h1>
+          <p style={{
+            fontSize: theme.typography.fontSize.xs,
+            color: theme.colors.text.secondary,
+            margin: 0,
+          }}>
+            多租户版
+          </p>
+        </div>
+      </div>
+
+      {/* 导航菜单 */}
+      <nav style={{
+        display: 'flex',
+        flexDirection: 'column',
+        gap: theme.spacing.xs,
+        flex: 1,
+      }}>
+        {menuItems.map((item) => (
+          <NavLink
+            key={item.id}
+            to={item.path}
+            style={({ isActive }) => ({
+              display: 'flex',
+              alignItems: 'center',
+              gap: theme.spacing.sm,
+              padding: `${theme.spacing.sm} ${theme.spacing.md}`,
+              borderRadius: theme.borderRadius.md,
+              textDecoration: 'none',
+              color: isActive ? theme.colors.primary[600] : theme.colors.text.secondary,
+              backgroundColor: isActive ? theme.colors.primary[50] : 'transparent',
+              fontWeight: isActive ? theme.typography.fontWeight.medium : theme.typography.fontWeight.normal,
+              transition: `all ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+            })}
+            onMouseEnter={(e) => {
+              const target = e.currentTarget as HTMLElement;
+              const isActive = target.classList.contains('active');
+              if (!isActive) {
+                target.style.backgroundColor = theme.colors.neutral[100];
+                target.style.color = theme.colors.text.primary;
+              }
+            }}
+            onMouseLeave={(e) => {
+              const target = e.currentTarget as HTMLElement;
+              const isActive = target.classList.contains('active');
+              if (!isActive) {
+                target.style.backgroundColor = 'transparent';
+                target.style.color = theme.colors.text.secondary;
+              }
+            }}
+          >
+            <item.icon size={20} />
+            <span style={{ flex: 1 }}>{item.label}</span>
+            {item.badge && (
+              <span style={{
+                fontSize: theme.typography.fontSize.xs,
+                padding: `${theme.spacing.xs} ${theme.spacing.sm}`,
+                borderRadius: theme.borderRadius.full,
+                backgroundColor: theme.colors.semantic.error,
+                color: theme.colors.text.inverse,
+                fontWeight: theme.typography.fontWeight.medium,
+                minWidth: '20px',
+                textAlign: 'center',
+              }}>
+                {item.badge}
+              </span>
+            )}
+          </NavLink>
+        ))}
+      </nav>
+
+      {/* 底部信息 */}
+      <div style={{
+        padding: theme.spacing.md,
+        marginTop: theme.spacing.lg,
+        borderRadius: theme.borderRadius.md,
+        backgroundColor: theme.colors.neutral[100],
+        border: `1px solid ${theme.colors.border.light}`,
+      }}>
+        <p style={{
+          fontSize: theme.typography.fontSize.sm,
+          color: theme.colors.text.secondary,
+          margin: `0 0 ${theme.spacing.xs} 0`,
+        }}>
+          当前租户
+        </p>
+        <div style={{
+          display: 'flex',
+          alignItems: 'center',
+          gap: theme.spacing.sm,
+        }}>
+          <div style={{
+            width: '32px',
+            height: '32px',
+            borderRadius: '50%',
+            backgroundColor: theme.colors.primary[100],
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'center',
+            color: theme.colors.primary[600],
+            fontWeight: theme.typography.fontWeight.medium,
+          }}>
+            T
+          </div>
+          <div style={{ flex: 1 }}>
+            <p style={{
+              fontSize: theme.typography.fontSize.sm,
+              fontWeight: theme.typography.fontWeight.medium,
+              color: theme.colors.text.primary,
+              margin: 0,
+            }}>
+              示例科技有限公司
+            </p>
+            <p style={{
+              fontSize: theme.typography.fontSize.xs,
+              color: theme.colors.text.secondary,
+              margin: 0,
+            }}>
+              免费版
+            </p>
+          </div>
+        </div>
+      </div>
+    </aside>
+  );
+};
--- a/frontend/src/hooks/useTheme.ts
+++ b/frontend/src/hooks/useTheme.ts
@@ -0,0 +1,20 @@
+import React, { useContext, createContext } from 'react';
+import { theme, Theme } from '../theme/theme';
+
+const ThemeContext = createContext<{ theme: Theme }>({ theme });
+
+export const ThemeProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  return (
+    <ThemeContext.Provider value={{ theme }}>
+      {children}
+    </ThemeContext.Provider>
+  );
+};
+
+export const useTheme = () => {
+  const context = useContext(ThemeContext);
+  if (!context) {
+    throw new Error('useTheme must be used within a ThemeProvider');
+  }
+  return context;
+};
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -0,0 +1,68 @@
+:root {
+  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
+  line-height: 1.5;
+  font-weight: 400;
+
+  color-scheme: light dark;
+  color: rgba(255, 255, 255, 0.87);
+  background-color: #242424;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+body {
+  margin: 0;
+  display: flex;
+  place-items: center;
+  min-width: 320px;
+  min-height: 100vh;
+}
+
+h1 {
+  font-size: 3.2em;
+  line-height: 1.1;
+}
+
+button {
+  border-radius: 8px;
+  border: 1px solid transparent;
+  padding: 0.6em 1.2em;
+  font-size: 1em;
+  font-weight: 500;
+  font-family: inherit;
+  background-color: #1a1a1a;
+  cursor: pointer;
+  transition: border-color 0.25s;
+}
+button:hover {
+  border-color: #646cff;
+}
+button:focus,
+button:focus-visible {
+  outline: 4px auto -webkit-focus-ring-color;
+}
+
+@media (prefers-color-scheme: light) {
+  :root {
+    color: #213547;
+    background-color: #ffffff;
+  }
+  a:hover {
+    color: #747bff;
+  }
+  button {
+    background-color: #f9f9f9;
+  }
+}
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -0,0 +1,10 @@
+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import './index.css'
+import App from './App.tsx'
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+)
--- a/frontend/src/pages/Agents.tsx
+++ b/frontend/src/pages/Agents.tsx
@@ -0,0 +1,30 @@
+import React from 'react';
+import { useTheme } from '../hooks/useTheme';
+
+export const Agents: React.FC = () => {
+  const { theme } = useTheme();
+
+  return (
+    <div style={{
+      display: 'flex',
+      flexDirection: 'column',
+      gap: theme.spacing.lg,
+    }}>
+      <h1 style={{
+        fontSize: theme.typography.fontSize['2xl'],
+        fontWeight: theme.typography.fontWeight.bold,
+        color: theme.colors.text.primary,
+        margin: 0,
+      }}>
+        人工客服
+      </h1>
+      <p style={{
+        fontSize: theme.typography.fontSize.sm,
+        color: theme.colors.text.secondary,
+        margin: 0,
+      }}>
+        管理客服坐席和团队绩效
+      </p>
+    </div>
+  );
+};
--- a/frontend/src/pages/Conversations.tsx
+++ b/frontend/src/pages/Conversations.tsx
@@ -0,0 +1,30 @@
+import React from 'react';
+import { useTheme } from '../hooks/useTheme';
+
+export const Conversations: React.FC = () => {
+  const { theme } = useTheme();
+
+  return (
+    <div style={{
+      display: 'flex',
+      flexDirection: 'column',
+      gap: theme.spacing.lg,
+    }}>
+      <h1 style={{
+        fontSize: theme.typography.fontSize['2xl'],
+        fontWeight: theme.typography.fontWeight.bold,
+        color: theme.colors.text.primary,
+        margin: 0,
+      }}>
+        智能客服
+      </h1>
+      <p style={{
+        fontSize: theme.typography.fontSize.sm,
+        color: theme.colors.text.secondary,
+        margin: 0,
+      }}>
+        管理客户会话和智能对话机器人
+      </p>
+    </div>
+  );
+};
--- a/frontend/src/pages/Dashboard.tsx
+++ b/frontend/src/pages/Dashboard.tsx
@@ -0,0 +1,422 @@
+import React from 'react';
+import { useTheme } from '../hooks/useTheme';
+import { 
+  MessageSquare, 
+  Ticket, 
+  Users, 
+  Clock, 
+  TrendingUp, 
+  CheckCircle,
+  AlertCircle
+} from 'lucide-react';
+
+export const Dashboard: React.FC = () => {
+  const { theme } = useTheme();
+
+  const stats = [
+    {
+      id: 'conversations',
+      title: '今日会话',
+      value: '1,234',
+      change: '+12.5%',
+      icon: MessageSquare,
+      color: theme.colors.primary[500],
+    },
+    {
+      id: 'tickets',
+      title: '待处理工单',
+      value: '56',
+      change: '-3.2%',
+      icon: Ticket,
+      color: theme.colors.semantic.warning,
+    },
+    {
+      id: 'agents',
+      title: '在线客服',
+      value: '24',
+      change: '+2',
+      icon: Users,
+      color: theme.colors.secondary[500],
+    },
+    {
+      id: 'response',
+      title: '平均响应时间',
+      value: '2m 34s',
+      change: '-15s',
+      icon: Clock,
+      color: theme.colors.semantic.info,
+    },
+  ];
+
+  const recentActivities = [
+    { id: 1, user: '张三', action: '创建了新的工单', time: '2分钟前', type: 'ticket' },
+    { id: 2, user: '李四', action: '回复了客户咨询', time: '5分钟前', type: 'conversation' },
+    { id: 3, user: '王五', action: '解决了工单 #1234', time: '15分钟前', type: 'resolved' },
+    { id: 4, user: 'AI助手', action: '自动回答了常见问题', time: '30分钟前', type: 'ai' },
+    { id: 5, user: '赵六', action: '加入了客服团队', time: '1小时前', type: 'agent' },
+  ];
+
+  const performanceData = [
+    { day: '周一', conversations: 320, tickets: 45, satisfaction: 92 },
+    { day: '周二', conversations: 380, tickets: 52, satisfaction: 94 },
+    { day: '周三', conversations: 410, tickets: 48, satisfaction: 91 },
+    { day: '周四', conversations: 390, tickets: 55, satisfaction: 93 },
+    { day: '周五', conversations: 450, tickets: 60, satisfaction: 95 },
+    { day: '周六', conversations: 280, tickets: 32, satisfaction: 90 },
+    { day: '周日', conversations: 210, tickets: 25, satisfaction: 88 },
+  ];
+
+  return (
+    <div style={{
+      display: 'flex',
+      flexDirection: 'column',
+      gap: theme.spacing.lg,
+    }}>
+      {/* 欢迎标题 */}
+      <div>
+        <h1 style={{
+          fontSize: theme.typography.fontSize['2xl'],
+          fontWeight: theme.typography.fontWeight.bold,
+          color: theme.colors.text.primary,
+          margin: `0 0 ${theme.spacing.xs} 0`,
+        }}>
+          欢迎回来，管理员
+        </h1>
+        <p style={{
+          fontSize: theme.typography.fontSize.sm,
+          color: theme.colors.text.secondary,
+          margin: 0,
+        }}>
+          以下是您系统的实时数据概览
+        </p>
+      </div>
+
+      {/* 统计卡片 */}
+      <div style={{
+        display: 'grid',
+        gridTemplateColumns: 'repeat(auto-fit, minmax(240px, 1fr))',
+        gap: theme.spacing.md,
+      }}>
+        {stats.map((stat) => (
+          <div
+            key={stat.id}
+            style={{
+              backgroundColor: theme.colors.background.card,
+              borderRadius: theme.borderRadius.lg,
+              padding: theme.spacing.lg,
+              border: `1px solid ${theme.colors.border.light}`,
+              boxShadow: theme.shadows.sm,
+              transition: `transform ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}, box-shadow ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+            }}
+            onMouseEnter={(e) => {
+              e.currentTarget.style.transform = 'translateY(-2px)';
+              e.currentTarget.style.boxShadow = theme.shadows.md;
+            }}
+            onMouseLeave={(e) => {
+              e.currentTarget.style.transform = 'translateY(0)';
+              e.currentTarget.style.boxShadow = theme.shadows.sm;
+            }}
+          >
+            <div style={{
+              display: 'flex',
+              alignItems: 'center',
+              justifyContent: 'space-between',
+              marginBottom: theme.spacing.md,
+            }}>
+              <div style={{
+                width: '48px',
+                height: '48px',
+                borderRadius: theme.borderRadius.md,
+                backgroundColor: `${stat.color}15`,
+                display: 'flex',
+                alignItems: 'center',
+                justifyContent: 'center',
+                color: stat.color,
+              }}>
+                <stat.icon size={24} />
+              </div>
+              <div style={{
+                display: 'flex',
+                alignItems: 'center',
+                gap: theme.spacing.xs,
+                padding: `${theme.spacing.xs} ${theme.spacing.sm}`,
+                borderRadius: theme.borderRadius.full,
+                backgroundColor: stat.change.startsWith('+') 
+                  ? `${theme.colors.secondary[500]}15` 
+                  : `${theme.colors.semantic.error}15`,
+                color: stat.change.startsWith('+') 
+                  ? theme.colors.secondary[600] 
+                  : theme.colors.semantic.error,
+                fontSize: theme.typography.fontSize.xs,
+                fontWeight: theme.typography.fontWeight.medium,
+              }}>
+                <TrendingUp size={12} />
+                {stat.change}
+              </div>
+            </div>
+            <h3 style={{
+              fontSize: theme.typography.fontSize['2xl'],
+              fontWeight: theme.typography.fontWeight.bold,
+              color: theme.colors.text.primary,
+              margin: `0 0 ${theme.spacing.xs} 0`,
+            }}>
+              {stat.value}
+            </h3>
+            <p style={{
+              fontSize: theme.typography.fontSize.sm,
+              color: theme.colors.text.secondary,
+              margin: 0,
+            }}>
+              {stat.title}
+            </p>
+          </div>
+        ))}
+      </div>
+
+      {/* 图表和活动 */}
+      <div style={{
+        display: 'grid',
+        gridTemplateColumns: '2fr 1fr',
+        gap: theme.spacing.lg,
+        '@media (max-width: 1024px)': {
+          gridTemplateColumns: '1fr',
+        },
+      }}>
+        {/* 性能图表 */}
+        <div style={{
+          backgroundColor: theme.colors.background.card,
+          borderRadius: theme.borderRadius.lg,
+          padding: theme.spacing.lg,
+          border: `1px solid ${theme.colors.border.light}`,
+          boxShadow: theme.shadows.sm,
+        }}>
+          <div style={{
+            display: 'flex',
+            alignItems: 'center',
+            justifyContent: 'space-between',
+            marginBottom: theme.spacing.lg,
+          }}>
+            <h2 style={{
+              fontSize: theme.typography.fontSize.lg,
+              fontWeight: theme.typography.fontWeight.semibold,
+              color: theme.colors.text.primary,
+              margin: 0,
+            }}>
+              本周性能数据
+            </h2>
+            <div style={{
+              display: 'flex',
+              gap: theme.spacing.sm,
+            }}>
+              <button style={{
+                padding: `${theme.spacing.xs} ${theme.spacing.sm}`,
+                borderRadius: theme.borderRadius.md,
+                border: `1px solid ${theme.colors.border.default}`,
+                backgroundColor: 'transparent',
+                fontSize: theme.typography.fontSize.sm,
+                color: theme.colors.text.secondary,
+                cursor: 'pointer',
+              }}>
+                本周
+              </button>
+              <button style={{
+                padding: `${theme.spacing.xs} ${theme.spacing.sm}`,
+                borderRadius: theme.borderRadius.md,
+                border: `1px solid ${theme.colors.border.default}`,
+                backgroundColor: 'transparent',
+                fontSize: theme.typography.fontSize.sm,
+                color: theme.colors.text.secondary,
+                cursor: 'pointer',
+              }}>
+                本月
+              </button>
+            </div>
+          </div>
+          
+          {/* 简易图表 */}
+          <div style={{
+            height: '200px',
+            display: 'flex',
+            alignItems: 'flex-end',
+            gap: theme.spacing.md,
+            padding: `${theme.spacing.lg} 0`,
+          }}>
+            {performanceData.map((data, index) => (
+              <div key={index} style={{
+                display: 'flex',
+                flexDirection: 'column',
+                alignItems: 'center',
+                flex: 1,
+                gap: theme.spacing.xs,
+              }}>
+                <div style={{
+                  width: '100%',
+                  display: 'flex',
+                  flexDirection: 'column',
+                  alignItems: 'center',
+                  gap: '2px',
+                }}>
+                  <div style={{
+                    width: '80%',
+                    height: `${(data.conversations / 500) * 100}px`,
+                    backgroundColor: theme.colors.primary[300],
+                    borderRadius: `${theme.borderRadius.sm} ${theme.borderRadius.sm} 0 0`,
+                  }} />
+                  <div style={{
+                    width: '60%',
+                    height: `${(data.tickets / 70) * 100}px`,
+                    backgroundColor: theme.colors.semantic.warning,
+                    borderRadius: `${theme.borderRadius.sm} ${theme.borderRadius.sm} 0 0`,
+                  }} />
+                </div>
+                <span style={{
+                  fontSize: theme.typography.fontSize.xs,
+                  color: theme.colors.text.secondary,
+                  marginTop: theme.spacing.xs,
+                }}>
+                  {data.day}
+                </span>
+                <span style={{
+                  fontSize: theme.typography.fontSize.xs,
+                  color: theme.colors.semantic.success,
+                  fontWeight: theme.typography.fontWeight.medium,
+                }}>
+                  {data.satisfaction}%
+                </span>
+              </div>
+            ))}
+          </div>
+          
+          <div style={{
+            display: 'flex',
+            justifyContent: 'center',
+            gap: theme.spacing.lg,
+            marginTop: theme.spacing.lg,
+            paddingTop: theme.spacing.lg,
+            borderTop: `1px solid ${theme.colors.border.light}`,
+          }}>
+            <div style={{ display: 'flex', alignItems: 'center', gap: theme.spacing.xs }}>
+              <div style={{
+                width: '12px',
+                height: '12px',
+                borderRadius: '2px',
+                backgroundColor: theme.colors.primary[300],
+              }} />
+              <span style={{
+                fontSize: theme.typography.fontSize.sm,
+                color: theme.colors.text.secondary,
+              }}>会话量</span>
+            </div>
+            <div style={{ display: 'flex', alignItems: 'center', gap: theme.spacing.xs }}>
+              <div style={{
+                width: '12px',
+                height: '12px',
+                borderRadius: '2px',
+                backgroundColor: theme.colors.semantic.warning,
+              }} />
+              <span style={{
+                fontSize: theme.typography.fontSize.sm,
+                color: theme.colors.text.secondary,
+              }}>工单数</span>
+            </div>
+            <div style={{ display: 'flex', alignItems: 'center', gap: theme.spacing.xs }}>
+              <CheckCircle size={12} color={theme.colors.semantic.success} />
+              <span style={{
+                fontSize: theme.typography.fontSize.sm,
+                color: theme.colors.text.secondary,
+              }}>满意度</span>
+            </div>
+          </div>
+        </div>
+
+        {/* 最近活动 */}
+        <div style={{
+          backgroundColor: theme.colors.background.card,
+          borderRadius: theme.borderRadius.lg,
+          padding: theme.spacing.lg,
+          border: `1px solid ${theme.colors.border.light}`,
+          boxShadow: theme.shadows.sm,
+        }}>
+          <h2 style={{
+            fontSize: theme.typography.fontSize.lg,
+            fontWeight: theme.typography.fontWeight.semibold,
+            color: theme.colors.text.primary,
+            margin: `0 0 ${theme.spacing.lg} 0`,
+          }}>
+            最近活动
+          </h2>
+          <div style={{
+            display: 'flex',
+            flexDirection: 'column',
+            gap: theme.spacing.md,
+          }}>
+            {recentActivities.map((activity) => (
+              <div
+                key={activity.id}
+                style={{
+                  display: 'flex',
+                  alignItems: 'flex-start',
+                  gap: theme.spacing.sm,
+                  padding: theme.spacing.sm,
+                  borderRadius: theme.borderRadius.md,
+                  transition: `background-color ${theme.transitions.duration.fast} ${theme.transitions.timing.ease}`,
+                }}
+                onMouseEnter={(e) => {
+                  e.currentTarget.style.backgroundColor = theme.colors.neutral[100];
+                }}
+                onMouseLeave={(e) => {
+                  e.currentTarget.style.backgroundColor = 'transparent';
+                }}
+              >
+                <div style={{
+                  width: '32px',
+                  height: '32px',
+                  borderRadius: '50%',
+                  backgroundColor: 
+                    activity.type === 'ticket' ? `${theme.colors.semantic.warning}15` :
+                    activity.type === 'conversation' ? `${theme.colors.primary[500]}15` :
+                    activity.type === 'resolved' ? `${theme.colors.semantic.success}15` :
+                    activity.type === 'ai' ? `${theme.colors.secondary[500]}15` :
+                    `${theme.colors.semantic.info}15`,
+                  display: 'flex',
+                  alignItems: 'center',
+                  justifyContent: 'center',
+                  color: 
+                    activity.type === 'ticket' ? theme.colors.semantic.warning :
+                    activity.type === 'conversation' ? theme.colors.primary[500] :
+                    activity.type === 'resolved' ? theme.colors.semantic.success :
+                    activity.type === 'ai' ? theme.colors.secondary[500] :
+                    theme.colors.semantic.info,
+                  flexShrink: 0,
+                }}>
+                  {activity.type === 'ticket' && <Ticket size={16} />}
+                  {activity.type === 'conversation' && <MessageSquare size={16} />}
+                  {activity.type === 'resolved' && <CheckCircle size={16} />}
+                  {activity.type === 'ai' && <AlertCircle size={16} />}
+                  {activity.type === 'agent' && <Users size={16} />}
+                </div>
+                <div style={{ flex: 1 }}>
+                  <p style={{
+                    fontSize: theme.typography.fontSize.sm,
+                    color: theme.colors.text.primary,
+                    margin: `0 0 ${theme.spacing.xs} 0`,
+                    lineHeight: theme.typography.lineHeight.tight,
+                  }}>
+                    <strong>{activity.user}</strong> {activity.action}
+                  </p>
+                  <p style={{
+                    fontSize: theme.typography.fontSize.xs,
+                    color: theme.colors.text.secondary,
+                    margin: 0,
+                  }}>
+                    {activity.time}
+                  </p>
+                </div>
+              </div>
+            ))}
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/frontend/src/pages/Knowledge.tsx
+++ b/frontend/src/pages/Knowledge.tsx
@@ -0,0 +1,30 @@
+import React from 'react';
+import { useTheme } from '../hooks/useTheme';
+
+export const Knowledge: React.FC = () => {
+  const { theme } = useTheme();
+
+  return (
+    <div style={{
+      display: 'flex',
+      flexDirection: 'column',
+      gap: theme.spacing.lg,
+    }}>
+      <h1 style={{
+        fontSize: theme.typography.fontSize['2xl'],
+        fontWeight: theme.typography.fontWeight.bold,
+        color: theme.colors.text.primary,
+        margin: 0,
+      }}>
+        知识库
+      </h1>
+      <p style={{
+        fontSize: theme.typography.fontSize.sm,
+        color: theme.colors.text.secondary,
+        margin: 0,
+      }}>
+        管理智能客服的知识库和常见问题
+      </p>
+    </div>
+  );
+};
--- a/frontend/src/pages/Settings.tsx
+++ b/frontend/src/pages/Settings.tsx
@@ -0,0 +1,30 @@
+import React from 'react';
+import { useTheme } from '../hooks/useTheme';
+
+export const Settings: React.FC = () => {
+  const { theme } = useTheme();
+
+  return (
+    <div style={{
+      display: 'flex',
+      flexDirection: 'column',
+      gap: theme.spacing.lg,
+    }}>
+      <h1 style={{
+        fontSize: theme.typography.fontSize['2xl'],
+        fontWeight: theme.typography.fontWeight.bold,
+        color: theme.colors.text.primary,
+        margin: 0,
+      }}>
+        系统设置
+      </h1>
+      <p style={{
+        fontSize: theme.typography.fontSize.sm,
+        color: theme.colors.text.secondary,
+        margin: 0,
+      }}>
+        配置系统参数和功能设置
+      </p>
+    </div>
+  );
+};
--- a/frontend/src/pages/Tenants.tsx
+++ b/frontend/src/pages/Tenants.tsx
@@ -0,0 +1,30 @@
+import React from 'react';
+import { useTheme } from '../hooks/useTheme';
+
+export const Tenants: React.FC = () => {
+  const { theme } = useTheme();
+
+  return (
+    <div style={{
+      display: 'flex',
+      flexDirection: 'column',
+      gap: theme.spacing.lg,
+    }}>
+      <h1 style={{
+        fontSize: theme.typography.fontSize['2xl'],
+        fontWeight: theme.typography.fontWeight.bold,
+        color: theme.colors.text.primary,
+        margin: 0,
+      }}>
+        租户管理
+      </h1>
+      <p style={{
+        fontSize: theme.typography.fontSize.sm,
+        color: theme.colors.text.secondary,
+        margin: 0,
+      }}>
+        管理系统租户和资源配置
+      </p>
+    </div>
+  );
+};
--- a/frontend/src/pages/Tickets.tsx
+++ b/frontend/src/pages/Tickets.tsx
@@ -0,0 +1,30 @@
+import React from 'react';
+import { useTheme } from '../hooks/useTheme';
+
+export const Tickets: React.FC = () => {
+  const { theme } = useTheme();
+
+  return (
+    <div style={{
+      display: 'flex',
+      flexDirection: 'column',
+      gap: theme.spacing.lg,
+    }}>
+      <h1 style={{
+        fontSize: theme.typography.fontSize['2xl'],
+        fontWeight: theme.typography.fontWeight.bold,
+        color: theme.colors.text.primary,
+        margin: 0,
+      }}>
+        工单系统
+      </h1>
+      <p style={{
+        fontSize: theme.typography.fontSize.sm,
+        color: theme.colors.text.secondary,
+        margin: 0,
+      }}>
+        管理客户问题和工单流程
+      </p>
+    </div>
+  );
+};
--- a/frontend/src/theme/colors.ts
+++ b/frontend/src/theme/colors.ts
@@ -0,0 +1,80 @@
+// 配色方案 - 无渐变色，无紫色
+// 使用中性色系，专业简洁
+
+export const colors = {
+  // 主色调 - 蓝色系（专业、可靠）
+  primary: {
+    50: '#eff6ff',
+    100: '#dbeafe',
+    200: '#bfdbfe',
+    300: '#93c5fd',
+    400: '#60a5fa',
+    500: '#3b82f6', // 主蓝色
+    600: '#2563eb',
+    700: '#1d4ed8',
+    800: '#1e40af',
+    900: '#1e3a8a',
+  },
+  
+  // 次要色调 - 绿色系（成功、安全）
+  secondary: {
+    50: '#f0fdf4',
+    100: '#dcfce7',
+    200: '#bbf7d0',
+    300: '#86efac',
+    400: '#4ade80',
+    500: '#22c55e', // 主绿色
+    600: '#16a34a',
+    700: '#15803d',
+    800: '#166534',
+    900: '#14532d',
+  },
+  
+  // 中性色 - 灰色系
+  neutral: {
+    50: '#f9fafb',
+    100: '#f3f4f6',
+    200: '#e5e7eb',
+    300: '#d1d5db',
+    400: '#9ca3af',
+    500: '#6b7280',
+    600: '#4b5563',
+    700: '#374151',
+    800: '#1f2937',
+    900: '#111827',
+  },
+  
+  // 语义色
+  semantic: {
+    success: '#10b981',
+    warning: '#f59e0b',
+    error: '#ef4444',
+    info: '#3b82f6',
+  },
+  
+  // 背景色
+  background: {
+    light: '#ffffff',
+    dark: '#111827',
+    card: '#ffffff',
+    sidebar: '#f9fafb',
+    header: '#ffffff',
+  },
+  
+  // 边框色
+  border: {
+    light: '#e5e7eb',
+    default: '#d1d5db',
+    dark: '#9ca3af',
+  },
+  
+  // 文字色
+  text: {
+    primary: '#111827',
+    secondary: '#6b7280',
+    disabled: '#9ca3af',
+    inverse: '#ffffff',
+  },
+} as const;
+
+export type ColorScheme = typeof colors;
--- a/frontend/src/theme/theme.ts
+++ b/frontend/src/theme/theme.ts
@@ -0,0 +1,101 @@
+import { colors } from './colors';
+
+export const theme = {
+  colors,
+  
+  // 间距
+  spacing: {
+    xs: '0.25rem',  // 4px
+    sm: '0.5rem',   // 8px
+    md: '1rem',     // 16px
+    lg: '1.5rem',   // 24px
+    xl: '2rem',     // 32px
+    '2xl': '3rem',  // 48px
+    '3xl': '4rem',  // 64px
+  },
+  
+  // 字体
+  typography: {
+    fontFamily: {
+      sans: '"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif',
+      mono: 'ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace',
+    },
+    fontSize: {
+      xs: '0.75rem',    // 12px
+      sm: '0.875rem',   // 14px
+      base: '1rem',     // 16px
+      lg: '1.125rem',   // 18px
+      xl: '1.25rem',    // 20px
+      '2xl': '1.5rem',  // 24px
+      '3xl': '1.875rem', // 30px
+      '4xl': '2.25rem',  // 36px
+    },
+    fontWeight: {
+      normal: '400',
+      medium: '500',
+      semibold: '600',
+      bold: '700',
+    },
+    lineHeight: {
+      tight: '1.25',
+      normal: '1.5',
+      relaxed: '1.75',
+    },
+  },
+  
+  // 边框圆角
+  borderRadius: {
+    none: '0',
+    sm: '0.125rem',  // 2px
+    default: '0.25rem', // 4px
+    md: '0.375rem',  // 6px
+    lg: '0.5rem',    // 8px
+    xl: '0.75rem',   // 12px
+    '2xl': '1rem',   // 16px
+    full: '9999px',
+  },
+  
+  // 阴影
+  shadows: {
+    sm: '0 1px 2px 0 rgba(0, 0, 0, 0.05)',
+    default: '0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06)',
+    md: '0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06)',
+    lg: '0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05)',
+    xl: '0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04)',
+    inner: 'inset 0 2px 4px 0 rgba(0, 0, 0, 0.06)',
+    none: 'none',
+  },
+  
+  // 过渡动画
+  transitions: {
+    duration: {
+      fast: '150ms',
+      normal: '300ms',
+      slow: '500ms',
+    },
+    timing: {
+      ease: 'cubic-bezier(0.4, 0, 0.2, 1)',
+      linear: 'linear',
+      in: 'cubic-bezier(0.4, 0, 1, 1)',
+      out: 'cubic-bezier(0, 0, 0.2, 1)',
+    },
+  },
+  
+  // 层级
+  zIndex: {
+    hide: -1,
+    base: 0,
+    docked: 10,
+    dropdown: 1000,
+    sticky: 1100,
+    banner: 1200,
+    overlay: 1300,
+    modal: 1400,
+    popover: 1500,
+    skipLink: 1600,
+    toast: 1700,
+    tooltip: 1800,
+  },
+} as const;
+
+export type Theme = typeof theme;
--- a/frontend/tsconfig.app.json
+++ b/frontend/tsconfig.app.json
@@ -0,0 +1,28 @@
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+    "target": "ES2022",
+    "useDefineForClassFields": true,
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "types": ["vite/client"],
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+    "jsx": "react-jsx",
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "erasableSyntaxOnly": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["src"]
+}
--- a/frontend/tsconfig.json
+++ b/frontend/tsconfig.json
@@ -0,0 +1,7 @@
+{
+  "files": [],
+  "references": [
+    { "path": "./tsconfig.app.json" },
+    { "path": "./tsconfig.node.json" }
+  ]
+}
--- a/frontend/tsconfig.node.json
+++ b/frontend/tsconfig.node.json
@@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
+    "target": "ES2023",
+    "lib": ["ES2023"],
+    "module": "ESNext",
+    "types": ["node"],
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "erasableSyntaxOnly": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["vite.config.ts"]
+}
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react()],
+})
				`@@ -0,0 +1 @@`
				<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>