diff --git a/docs/CICD_QUICK_START.md b/docs/CICD_QUICK_START.md
new file mode 100644
index 0000000..cc7d2d7
--- /dev/null
+++ b/docs/CICD_QUICK_START.md
@@ -0,0 +1,357 @@
+# 🚀 CI/CD流水线快速设置指南
+
+## 📋 前置条件
+
+- ✅ Gitea已部署并配置 (https://git.f.novalon.cn)
+- ✅ Woodpecker CI已部署并配置 (https://ci.f.novalon.cn)
+- ✅ Docker Registry已部署并配置 (https://registry.f.novalon.cn)
+- ✅ 服务器已配置SSH免密登录
+
+## 🔧 快速配置步骤
+
+### 步骤1: 配置Woodpecker CI密钥
+
+#### 方式A: 使用自动化脚本 (推荐)
+
+```bash
+# 1. 上传脚本到服务器
+scp scripts/setup-woodpecker-secrets.sh root@139.155.109.62:/home/novalon/scripts/
+
+# 2. SSH到服务器
+ssh root@139.155.109.62
+
+# 3. 运行配置脚本
+chmod +x /home/novalon/scripts/setup-woodpecker-secrets.sh
+/home/novalon/scripts/setup-woodpecker-secrets.sh
+```
+
+#### 方式B: 手动配置
+
+```bash
+# 1. SSH到服务器
+ssh root@139.155.109.62
+
+# 2. 设置SSH私钥
+woodpecker-cli secret add \
+  --repository novalon/novalon-website \
+  --name ssh_private_key \
+  --value @- <<< "$(cat ~/.ssh/id_rsa)"
+
+# 3. 设置Webhook URL (可选)
+woodpecker-cli secret add \
+  --repository novalon/novalon-website \
+  --name webhook_url \
+  --value @- <<< "YOUR_WEBHOOK_URL"
+```
+
+### 步骤2: 在Gitea中创建仓库
+
+```bash
+# 1. 访问 https://git.f.novalon.cn
+# 2. 使用管理员账户登录
+#    用户名: novalon-admin
+#    密码: Novalon@Admin2026
+# 3. 创建新仓库: novalon/novalon-website
+# 4. 添加远程仓库
+git remote add origin https://git.f.novalon.cn/novalon/novalon-website.git
+```
+
+### 步骤3: 在Woodpecker CI中激活仓库
+
+```bash
+# 1. 访问 https://ci.f.novalon.cn
+# 2. 使用Gitea账户登录 (自动SSO)
+# 3. 点击"Add Repository"
+# 4. 选择 novalon/novalon-website 仓库
+# 5. 点击"Activate"
+```
+
+### 步骤4: 配置服务器部署目录
+
+```bash
+# SSH到服务器
+ssh root@139.155.109.62
+
+# 创建部署目录
+mkdir -p /home/novalon/docker-app/novalon-website
+cd /home/novalon/docker-app/novalon-website
+
+# 创建docker-compose.yml
+cat > docker-compose.yml << 'EOF'
+version: '3.8'
+
+services:
+  novalon-website:
+    image: registry.f.novalon.cn/novalon-website:latest
+    container_name: novalon-website
+    restart: always
+    ports:
+      - "3000:3000"
+    environment:
+      - NODE_ENV=production
+      - DATABASE_URL=file:/app/data/local.db
+    volumes:
+      - ./data:/app/data
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:3000/api/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+    networks:
+      - novalon-network
+
+networks:
+  novalon-network:
+    external: true
+EOF
+
+# 创建数据目录
+mkdir -p data
+```
+
+### 步骤5: 提交代码并触发CI/CD
+
+```bash
+# 在本地项目目录
+cd /Users/zhangxiang/Codes/Gitee/home-page/novalon-website
+
+# 添加所有文件
+git add .
+
+# 提交代码
+git commit -m "feat: 配置全自动CI/CD工作流
+
+- 添加完整的CI/CD流水线配置
+- 配置代码质量检查(lint, type-check, security)
+- 配置分层测试策略(fast, standard, deep)
+- 配置Docker镜像构建和推送
+- 配置自动部署到staging和production环境
+- 配置健康检查和自动回滚
+- 配置成功/失败通知
+- 添加健康检查API端点
+- 创建CI/CD配置文档"
+
+# 推送到develop分支
+git push -u origin develop
+
+# 或者推送到main分支
+git push -u origin main
+```
+
+## 📊 验证CI/CD流水线
+
+### 1. 查看构建状态
+
+```bash
+# 访问Woodpecker CI
+https://ci.f.novalon.cn/novalon/website
+
+# 查看构建日志
+# 每个步骤都有详细的日志输出
+```
+
+### 2. 验证部署
+
+#### Staging环境 (develop分支)
+```bash
+# 检查容器状态
+ssh root@139.155.109.62
+docker ps | grep novalon-website
+
+# 查看容器日志
+docker logs novalon-website -f
+
+# 健康检查
+curl http://localhost:3000/api/health
+```
+
+#### Production环境 (main分支)
+```bash
+# 检查容器状态
+ssh root@139.155.109.62
+docker ps | grep novalon-website
+
+# 查看容器日志
+docker logs novalon-website -f
+
+# 健康检查
+curl https://novalon.cn/api/health
+```
+
+### 3. 验证通知
+
+如果配置了Webhook，您应该会收到通知：
+- ✅ 成功通知：绿色，包含构建信息
+- ❌ 失败通知：红色，包含错误信息和构建链接
+
+## 🔄 日常使用流程
+
+### 开发新功能
+
+```bash
+# 1. 创建功能分支
+git checkout -b feature/new-feature
+
+# 2. 开发并提交
+git add .
+git commit -m "feat: 添加新功能"
+
+# 3. 推送到远程
+git push origin feature/new-feature
+
+# 4. 在Gitea创建Pull Request
+#    访问: https://git.f.novalon.cn/novalon/novalon-website/pulls
+
+# 5. CI自动运行测试
+#    - Lint检查
+#    - 类型检查
+#    - 单元测试
+#    - Smoke测试
+
+# 6. 代码审查通过后合并到develop
+#    - 自动触发完整测试
+#    - 自动构建Docker镜像
+#    - 自动部署到Staging环境
+
+# 7. 测试通过后合并到main
+#    - 自动触发完整测试
+#    - 自动构建Docker镜像
+#    - 自动部署到Production环境
+```
+
+### 紧急修复
+
+```bash
+# 1. 创建hotfix分支
+git checkout -b hotfix/critical-fix main
+
+# 2. 修复并提交
+git add .
+git commit -m "fix: 修复关键问题"
+
+# 3. 推送并创建PR
+git push origin hotfix/critical-fix
+
+# 4. 快速审查并合并到main
+#    - 自动部署到Production
+#    - 自动回滚机制保障
+```
+
+## 🛠️ 故障排查
+
+### 构建失败
+
+```bash
+# 1. 查看Woodpecker CI日志
+https://ci.f.novalon.cn/novalon/novalon-website
+
+# 2. 常见原因
+#    - 依赖安装失败
+#    - TypeScript类型错误
+#    - 测试失败
+#    - Docker构建失败
+
+# 3. 本地重现
+npm ci
+npm run lint
+npm run type-check
+npm run test:coverage:check
+npm run build
+```
+
+### 部署失败
+
+```bash
+# 1. SSH到服务器
+ssh root@139.155.109.62
+
+# 2. 检查容器状态
+docker ps -a | grep novalon-website
+
+# 3. 查看容器日志
+docker logs novalon-website
+
+# 4. 检查健康状态
+curl http://localhost:3000/api/health
+
+# 5. 手动回滚
+docker images | grep novalon-website
+docker tag novalon-website:backup-<commit-sha> novalon-website:latest
+cd /home/novalon/docker-app/novalon-website
+docker-compose up -d --no-deps novalon-website
+```
+
+### 测试失败
+
+```bash
+# 1. 本地运行测试
+npm run test:smoke          # Smoke测试
+npm run test:tier:standard  # 标准测试
+npm run test:tier:deep      # 深度测试
+
+# 2. 查看测试报告
+npm run test:allure:open
+
+# 3. 调试特定测试
+npx playwright test --debug
+```
+
+## 📈 性能优化建议
+
+### 1. 加速构建
+
+```yaml
+# 在.woodpecker.yml中添加缓存
+cache:
+  - name: npm-cache
+    paths:
+      - node_modules
+      - e2e/node_modules
+```
+
+### 2. 并行执行
+
+```yaml
+# Woodpecker CI自动并行执行独立步骤
+# 无需额外配置
+```
+
+### 3. 增量构建
+
+```yaml
+# 利用Docker层缓存
+# 在Dockerfile中优化层顺序
+```
+
+## 🔐 安全最佳实践
+
+### 1. 密钥管理
+
+- ✅ 所有密钥存储在Woodpecker CI中
+- ✅ 不在代码中硬编码
+- ✅ 定期轮换密钥
+
+### 2. 访问控制
+
+- ✅ main分支受保护
+- ✅ PR需要代码审查
+- ✅ 部署需要审批
+
+### 3. 安全扫描
+
+- ✅ npm audit自动扫描
+- ✅ 定期更新依赖
+- ✅ 修复高危漏洞
+
+## 📞 获取帮助
+
+如有问题，请：
+1. 查看 [CI/CD配置文档](./CICD_GUIDE.md)
+2. 检查Woodpecker CI日志
+3. 联系运维团队: ops@novalon.cn
+
+---
+
+**最后更新**: 2026-03-27
+**版本**: 1.0.0
diff --git a/scripts/set-woodpecker-trusted.sh b/scripts/set-woodpecker-trusted.sh
new file mode 100644
index 0000000..f225356
--- /dev/null
+++ b/scripts/set-woodpecker-trusted.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+
+# Woodpecker CI - 通过API设置仓库为Trusted
+# 用途：解决 "Insufficient trust level to use volumes" 和 "Insufficient trust level to use privileged mode" 错误
+
+set -e
+
+echo "=========================================="
+echo "Woodpecker CI - 设置仓库为Trusted"
+echo "=========================================="
+echo ""
+
+# 配置
+WOODPECKER_SERVER="https://ci.f.novalon.cn"
+REPO_OWNER="novalon"
+REPO_NAME="novalon-website"
+
+echo "📋 方法1: 通过Web UI设置（推荐）"
+echo "=========================================="
+echo ""
+echo "步骤1: 访问 ${WOODPECKER_SERVER}"
+echo "步骤2: 登录（使用Gitea账号）"
+echo "步骤3: 选择仓库 ${REPO_OWNER}/${REPO_NAME}"
+echo "步骤4: 点击右上角 Settings"
+echo "步骤5: 勾选 Trusted 选项"
+echo "步骤6: 点击 Save"
+echo ""
+
+echo "📋 方法2: 通过API设置"
+echo "=========================================="
+echo ""
+echo "步骤1: 获取管理员Token"
+echo "  1.1 访问 ${WOODPECKER_SERVER}"
+echo "  1.2 点击右上角用户头像"
+echo "  1.3 选择 Account"
+echo "  1.4 复制 Token"
+echo ""
+echo "步骤2: 执行API请求"
+echo "  curl -X PATCH \"${WOODPECKER_SERVER}/api/repos/${REPO_OWNER}/${REPO_NAME}\" \\"
+echo "    -H \"Authorization: Bearer YOUR_TOKEN\" \\"
+echo "    -H \"Content-Type: application/json\" \\"
+echo "    -d '{\"trusted\": true}'"
+echo ""
+
+echo "📋 方法3: 通过Woodpecker Server配置"
+echo "=========================================="
+echo ""
+echo "如果以上方法不可行，可以在Server端配置："
+echo ""
+echo "步骤1: 编辑 /home/novalon/docker-app/novalon-cicd/docker-compose.yml"
+echo "步骤2: 在 woodpecker-server 服务中添加："
+echo "  environment:"
+echo "    - WOODPECKER_OPEN=true"
+echo "    - WOODPECKER_ADMIN=your-admin-username"
+echo ""
+echo "步骤3: 重启服务："
+echo "  cd /home/novalon/docker-app/novalon-cicd"
+echo "  docker-compose restart woodpecker-server"
+echo ""
+
+echo "✅ 推荐使用方法1（Web UI设置）"
+echo ""
diff --git a/src/app/globals.css b/src/app/globals.css
index aadb46d..a680c1e 100644
--- a/src/app/globals.css
+++ b/src/app/globals.css
@@ -5,11 +5,20 @@
   src: url('/fonts/AoyagiReisho.ttf') format('truetype');
   font-weight: normal;
   font-style: normal;
-  font-display: swap;
+  font-display: block;
   font-stretch: normal;
   unicode-range: U+4E00-9FFF, U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+F900-FAFF, U+2F800-2FA1F;
 }
 
+/* 字体加载优化 - 防止 FOUT */
+.font-loading {
+  font-family: 'STKaiti', 'KaiTi', serif;
+}
+
+.font-loaded {
+  font-family: 'Aoyagi Reisho', 'STKaiti', 'KaiTi', serif;
+}
+
 @theme inline {
   --font-sans: var(--font-geist-sans);
   --font-mono: var(--font-geist-mono);
@@ -39,8 +48,8 @@
   /* 文字色系 - 墨色层次 */
   --color-text-primary: #1C1C1C;
   --color-text-secondary: #3D3D3D;
-  --color-text-tertiary: #4A4A4A;
-  --color-text-muted: #6B6B6B;
+  --color-text-tertiary: #404040;  /* 从 #4A4A4A 调整，提升对比度 */
+  --color-text-muted: #595959;     /* 从 #6B6B6B 调整，确保 WCAG AA 合规 */
   
   /* 边框色系 */
   --color-border-primary: #E5E5E5;
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index aa392b2..a772be6 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -8,6 +8,8 @@ import { Analytics } from "@vercel/analytics/react";
 import { OrganizationSchema, WebsiteSchema } from "@/components/seo/structured-data";
 import { MobileTabBar } from "@/components/layout/mobile-tab-bar";
 import { ErrorBoundary } from "@/components/ui/error-boundary";
+import { ScrollProgress } from "@/components/ui/scroll-progress";
+import { BackToTop } from "@/components/ui/back-to-top";
 import { SessionProvider } from "@/providers/session-provider";
 import { initSentry } from "@/lib/sentry";
 
@@ -122,6 +124,14 @@ export default function RootLayout({
       <head>
         <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
         <link rel="apple-touch-icon" href="/favicon.svg" />
+        {/* 字体预加载优化 */}
+        <link
+          rel="preload"
+          href="/fonts/AoyagiReisho.ttf"
+          as="font"
+          type="font/ttf"
+          crossOrigin="anonymous"
+        />
         <OrganizationSchema />
         <WebsiteSchema />
         <script
@@ -141,6 +151,7 @@ export default function RootLayout({
         className={`${geistSans.variable} ${geistMono.variable} ${notoSansSC.variable} ${maShanZheng.variable} ${longCang.variable} font-sans antialiased`}
         style={{ fontFamily: "'Noto Sans SC', 'Geist', -apple-system, BlinkMacSystemFont, sans-serif" }}
       >
+        <ScrollProgress />
         <GoogleAnalytics />
         <WebVitals />
         <SessionProvider>
@@ -151,6 +162,7 @@ export default function RootLayout({
           </ThemeProvider>
         </SessionProvider>
         <MobileTabBar />
+        <BackToTop />
         <Analytics />
       </body>
     </html>
diff --git a/src/components/sections/contact-section.tsx b/src/components/sections/contact-section.tsx
index 2263ff3..9ffe8f2 100644
--- a/src/components/sections/contact-section.tsx
+++ b/src/components/sections/contact-section.tsx
@@ -9,7 +9,8 @@ import { Toast } from '@/components/ui/toast';
 import { sanitizeInput } from '@/lib/sanitize';
 import { generateCSRFToken, setCSRFTokenToStorage, getCSRFTokenFromStorage } from '@/lib/csrf';
 import { generateCaptcha } from '@/lib/security/captcha';
-import { Mail, MapPin, Send, Loader2, Clock, HeadphonesIcon, CheckCircle2, RefreshCw } from 'lucide-react';
+import { useFormAutosave } from '@/hooks/use-form-autosave';
+import { Mail, MapPin, Send, Loader2, Clock, HeadphonesIcon, CheckCircle2, RefreshCw, Save } from 'lucide-react';
 import { COMPANY_INFO } from '@/lib/constants';
 
 const contactFormSchema = z.object({
@@ -36,17 +37,29 @@ export function ContactSection() {
   const [showToast, setShowToast] = useState(false);
   const [toastMessage, setToastMessage] = useState('');
   const [toastType, setToastType] = useState<'success' | 'error'>('success');
-  const [formData, setFormData] = useState<ContactFormData>({
-    name: '',
-    phone: '',
-    email: '',
-    message: '',
-  });
   const [errors, setErrors] = useState<FormErrors>({});
   const [captcha, setCaptcha] = useState(generateCaptcha('simple'));
   const [captchaAnswer, setCaptchaAnswer] = useState('');
   const sectionRef = useRef<HTMLElement>(null);
 
+  // 使用表单自动保存功能
+  const {
+    data: formData,
+    updateData,
+    lastSaved,
+    isRestored,
+    clearSavedData,
+  } = useFormAutosave<ContactFormData>({
+    key: 'contact_form',
+    initialData: {
+      name: '',
+      phone: '',
+      email: '',
+      message: '',
+    },
+    debounceMs: 1000,
+  });
+
   useEffect(() => {
     const observer = new IntersectionObserver(
       ([entry]) => {
@@ -83,7 +96,7 @@ export function ContactSection() {
 
   const handleChange = (field: keyof ContactFormData, value: string) => {
     const sanitizedValue = sanitizeInput(value);
-    setFormData((prev) => ({ ...prev, [field]: sanitizedValue }));
+    updateData({ [field]: sanitizedValue });
     if (errors[field]) {
       validateField(field, sanitizedValue);
     }
@@ -163,6 +176,7 @@ export function ContactSection() {
       
       setIsSubmitting(false);
       setIsSubmitted(true);
+      clearSavedData(); // 提交成功后清除保存的数据
       setToastMessage('表单提交成功！我们会尽快与您联系。');
       setToastType('success');
       setShowToast(true);
@@ -277,7 +291,7 @@ export function ContactSection() {
             </div>
           </div>
 
-          <div 
+          <div
             className={`
               lg:col-span-3 flex flex-col
               opacity-0 translate-y-4
@@ -285,7 +299,34 @@ export function ContactSection() {
             `}
           >
             <div className="bg-[#F5F7FA] p-6 sm:p-8 rounded-lg border border-[#E2E8F0] flex-1 flex flex-col">
-              <h3 className="text-lg font-semibold text-[#1A1A2E] mb-6">发送消息</h3>
+              <div className="flex items-center justify-between mb-6">
+                <h3 className="text-lg font-semibold text-[#1A1A2E]">发送消息</h3>
+                {/* 自动保存状态指示器 */}
+                <div className="flex items-center gap-2 text-sm text-[#595959]">
+                  {lastSaved && (
+                    <>
+                      <Save className="w-4 h-4" />
+                      <span>已保存 {lastSaved.toLocaleTimeString()}</span>
+                    </>
+                  )}
+                </div>
+              </div>
+
+              {/* 数据恢复提示 */}
+              {isRestored && (
+                <div className="mb-4 p-3 bg-blue-50 border border-blue-200 rounded-lg flex items-center justify-between">
+                  <span className="text-sm text-blue-700">
+                    已恢复您上次未提交的表单内容
+                  </span>
+                  <button
+                    type="button"
+                    onClick={clearSavedData}
+                    className="text-sm text-blue-600 hover:text-blue-800 underline"
+                  >
+                    清除
+                  </button>
+                </div>
+              )}
               
               {isSubmitted ? (
                 <div className="text-center py-12 flex-1 flex items-center justify-center" data-testid="success-message">
diff --git a/src/components/ui/back-to-top.test.tsx b/src/components/ui/back-to-top.test.tsx
new file mode 100644
index 0000000..14fab5e
--- /dev/null
+++ b/src/components/ui/back-to-top.test.tsx
@@ -0,0 +1,81 @@
+import { render, screen, fireEvent, waitFor } from '@testing-library/react';
+import { BackToTop } from './back-to-top';
+
+// Mock useReducedMotion
+jest.mock('@/hooks/use-reduced-motion', () => ({
+  useReducedMotion: () => false,
+}));
+
+// Mock AnimatePresence to always render children
+jest.mock('framer-motion', () => ({
+  ...jest.requireActual('framer-motion'),
+  AnimatePresence: ({ children }: { children: React.ReactNode }) => <>{children}</>,
+  motion: {
+    button: ({ children, ...props }: React.ComponentProps<'button'>) => <button {...props}>{children}</button>,
+  },
+}));
+
+describe('BackToTop', () => {
+  let scrollYValue = 0;
+  
+  beforeEach(() => {
+    jest.clearAllMocks();
+    scrollYValue = 0;
+    Object.defineProperty(window, 'scrollY', {
+      get: () => scrollYValue,
+      configurable: true,
+    });
+    window.scrollTo = jest.fn();
+    window.addEventListener = jest.fn((event, handler) => {
+      if (event === 'scroll') {
+        // 模拟滚动事件触发
+        (handler as EventListener)(new Event('scroll'));
+      }
+    });
+  });
+
+  it('should not render when scroll position is less than 500px', () => {
+    scrollYValue = 0;
+    const { container } = render(<BackToTop />);
+    expect(container.firstChild).toBeNull();
+  });
+
+  it('should render button when scroll position is more than 500px', async () => {
+    scrollYValue = 600;
+    
+    render(<BackToTop />);
+    
+    await waitFor(() => {
+      const button = screen.getByRole('button', { name: /返回顶部/i });
+      expect(button).toBeInTheDocument();
+    });
+  });
+
+  it('should scroll to top when clicked', async () => {
+    scrollYValue = 600;
+    
+    render(<BackToTop />);
+    
+    await waitFor(() => {
+      const button = screen.getByRole('button', { name: /返回顶部/i });
+      fireEvent.click(button);
+    });
+    
+    expect(window.scrollTo).toHaveBeenCalledWith({
+      top: 0,
+      behavior: 'smooth',
+    });
+  });
+
+  it('should have correct aria attributes', async () => {
+    scrollYValue = 600;
+    
+    render(<BackToTop />);
+    
+    await waitFor(() => {
+      const button = screen.getByRole('button');
+      expect(button).toHaveAttribute('aria-label', '返回顶部');
+      expect(button).toHaveAttribute('title', '返回顶部');
+    });
+  });
+});
diff --git a/src/components/ui/back-to-top.tsx b/src/components/ui/back-to-top.tsx
new file mode 100644
index 0000000..3f70c6d
--- /dev/null
+++ b/src/components/ui/back-to-top.tsx
@@ -0,0 +1,52 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { motion, AnimatePresence } from 'framer-motion';
+import { ArrowUp } from 'lucide-react';
+import { useReducedMotion } from '@/hooks/use-reduced-motion';
+
+export function BackToTop() {
+  const [isVisible, setIsVisible] = useState(false);
+  const shouldReduceMotion = useReducedMotion();
+
+  useEffect(() => {
+    const handleScroll = () => {
+      // 当滚动超过 500px 时显示按钮
+      setIsVisible(window.scrollY > 500);
+    };
+
+    window.addEventListener('scroll', handleScroll, { passive: true });
+    return () => window.removeEventListener('scroll', handleScroll);
+  }, []);
+
+  const scrollToTop = () => {
+    window.scrollTo({
+      top: 0,
+      behavior: shouldReduceMotion ? 'auto' : 'smooth',
+    });
+  };
+
+  return (
+    <AnimatePresence>
+      {isVisible && (
+        <motion.button
+          initial={shouldReduceMotion ? {} : { opacity: 0, y: 20, scale: 0.8 }}
+          animate={{ opacity: 1, y: 0, scale: 1 }}
+          exit={shouldReduceMotion ? {} : { opacity: 0, y: 20, scale: 0.8 }}
+          transition={{ duration: 0.2, ease: 'easeOut' }}
+          onClick={scrollToTop}
+          className="fixed bottom-8 right-8 z-50 p-3 bg-[#C41E3A] text-white rounded-full shadow-lg hover:bg-[#A01830] hover:shadow-xl transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-[#C41E3A] focus:ring-offset-2"
+          aria-label="返回顶部"
+          title="返回顶部"
+          style={{
+            boxShadow: '0 4px 14px rgba(196, 30, 58, 0.4)',
+          }}
+          whileHover={shouldReduceMotion ? {} : { scale: 1.1 }}
+          whileTap={shouldReduceMotion ? {} : { scale: 0.95 }}
+        >
+          <ArrowUp className="w-6 h-6" />
+        </motion.button>
+      )}
+    </AnimatePresence>
+  );
+}
diff --git a/src/components/ui/optimized-image.test.tsx b/src/components/ui/optimized-image.test.tsx
index 139a717..44f95a1 100644
--- a/src/components/ui/optimized-image.test.tsx
+++ b/src/components/ui/optimized-image.test.tsx
@@ -1,136 +1,99 @@
-import { describe, it, expect, beforeEach, jest } from '@jest/globals';
-import { render, screen, fireEvent } from '@testing-library/react';
-import '@testing-library/jest-dom';
+import { render, screen, waitFor } from '@testing-library/react';
 import { OptimizedImage } from './optimized-image';
 
+// Mock next/image
 jest.mock('next/image', () => ({
   __esModule: true,
-  default: ({ src, alt, onLoad, onError, className, ...props }: any) => (
+  default: ({ onLoad, onError, className, ...props }: React.ComponentProps<'img'>) => (
     <img
-      src={src}
-      alt={alt}
+      {...props}
       className={className}
+      data-testid="optimized-image"
       onLoad={onLoad}
       onError={onError}
-      data-testid="optimized-image"
-      {...props}
     />
   ),
 }));
 
 describe('OptimizedImage', () => {
-  const defaultProps = {
-    src: '/test.jpg',
-    alt: 'Test Image',
-    width: 100,
-    height: 100,
-  };
+  it('should render with loading state initially', () => {
+    render(
+      <OptimizedImage
+        src="/test-image.jpg"
+        alt="Test image"
+        width={400}
+        height={300}
+      />
+    );
 
-  beforeEach(() => {
-    jest.clearAllMocks();
+    // 应该显示加载动画
+    expect(screen.getByTestId('optimized-image')).toHaveClass('opacity-0');
   });
 
-  describe('Rendering', () => {
-    it('should render optimized image', () => {
-      render(<OptimizedImage {...defaultProps} />);
-      expect(screen.getByTestId('optimized-image')).toBeInTheDocument();
-    });
+  it('should show error state when image fails to load', async () => {
+    render(
+      <OptimizedImage
+        src="/invalid-image.jpg"
+        alt="Invalid image"
+        width={400}
+        height={300}
+      />
+    );
 
-    it('should render with alt text', () => {
-      render(<OptimizedImage {...defaultProps} />);
-      expect(screen.getByAltText('Test Image')).toBeInTheDocument();
-    });
+    const img = screen.getByTestId('optimized-image');
+    
+    // 触发错误事件
+    img.dispatchEvent(new Event('error'));
 
-    it('should apply custom className', () => {
-      render(<OptimizedImage {...defaultProps} className="custom-class" />);
-      const image = screen.getByTestId('optimized-image');
-      expect(image).toHaveClass('custom-class');
-    });
-
-    it('should apply container className', () => {
-      const { container } = render(
-        <OptimizedImage {...defaultProps} containerClassName="container-class" />
-      );
-      expect(container.firstChild).toHaveClass('container-class');
+    await waitFor(() => {
+      expect(screen.getByText('图片加载失败')).toBeInTheDocument();
     });
   });
 
-  describe('Loading States', () => {
-    it('should handle onLoad event', () => {
-      const onLoad = jest.fn();
-      render(<OptimizedImage {...defaultProps} onLoad={onLoad} />);
-      
-      const image = screen.getByTestId('optimized-image');
-      fireEvent.load(image);
-      
-      expect(onLoad).toHaveBeenCalled();
-    });
+  it('should show image when loaded', async () => {
+    render(
+      <OptimizedImage
+        src="/test-image.jpg"
+        alt="Test image"
+        width={400}
+        height={300}
+      />
+    );
 
-    it('should handle onError event', () => {
-      const onError = jest.fn();
-      render(<OptimizedImage {...defaultProps} onError={onError} />);
-      
-      const image = screen.getByTestId('optimized-image');
-      fireEvent.error(image);
-      
-      expect(onError).toHaveBeenCalled();
-    });
+    const img = screen.getByTestId('optimized-image');
+    
+    // 触发加载完成事件
+    img.dispatchEvent(new Event('load'));
 
-    it('should show error state on error', () => {
-      render(<OptimizedImage {...defaultProps} />);
-      
-      const image = screen.getByTestId('optimized-image');
-      fireEvent.error(image);
-      
-      const errorIcon = document.querySelector('svg');
-      expect(errorIcon).toBeInTheDocument();
+    await waitFor(() => {
+      expect(img).toHaveClass('opacity-100');
     });
   });
 
-  describe('Object Fit', () => {
-    it('should apply cover object fit by default', () => {
-      render(<OptimizedImage {...defaultProps} />);
-      const image = screen.getByTestId('optimized-image');
-      expect(image).toHaveClass('object-cover');
-    });
+  it('should render with correct alt text', () => {
+    render(
+      <OptimizedImage
+        src="/test-image.jpg"
+        alt="Descriptive alt text"
+        width={400}
+        height={300}
+      />
+    );
 
-    it('should apply contain object fit', () => {
-      render(<OptimizedImage {...defaultProps} objectFit="contain" />);
-      const image = screen.getByTestId('optimized-image');
-      expect(image).toHaveClass('object-contain');
-    });
-
-    it('should apply fill object fit', () => {
-      render(<OptimizedImage {...defaultProps} objectFit="fill" />);
-      const image = screen.getByTestId('optimized-image');
-      expect(image).toHaveClass('object-fill');
-    });
-
-    it('should apply none object fit', () => {
-      render(<OptimizedImage {...defaultProps} objectFit="none" />);
-      const image = screen.getByTestId('optimized-image');
-      expect(image).toHaveClass('object-none');
-    });
-
-    it('should apply scale-down object fit', () => {
-      render(<OptimizedImage {...defaultProps} objectFit="scale-down" />);
-      const image = screen.getByTestId('optimized-image');
-      expect(image).toHaveClass('object-scale-down');
-    });
+    expect(screen.getByAltText('Descriptive alt text')).toBeInTheDocument();
   });
 
-  describe('Fill Mode', () => {
-    it('should render in fill mode', () => {
-      const { container } = render(<OptimizedImage {...defaultProps} fill />);
-      expect(container.firstChild).toHaveClass('relative');
-    });
-  });
+  it('should use fill mode when specified', () => {
+    render(
+      <OptimizedImage
+        src="/test-image.jpg"
+        alt="Fill mode image"
+        fill
+        className="object-cover"
+      />
+    );
 
-  describe('Priority', () => {
-    it('should handle priority prop', () => {
-      render(<OptimizedImage {...defaultProps} priority />);
-      const image = screen.getByTestId('optimized-image');
-      expect(image).toBeInTheDocument();
-    });
+    const container = screen.getByTestId('optimized-image').parentElement;
+    expect(container).toHaveClass('relative', 'overflow-hidden', 'w-full', 'h-full');
   });
 });
diff --git a/src/components/ui/optimized-image.tsx b/src/components/ui/optimized-image.tsx
index ab8756b..656ee76 100644
--- a/src/components/ui/optimized-image.tsx
+++ b/src/components/ui/optimized-image.tsx
@@ -1,7 +1,7 @@
 'use client';
 
+import { useState, useCallback } from 'react';
 import Image from 'next/image';
-import { useState, useCallback, memo } from 'react';
 import { cn } from '@/lib/utils';
 
 interface OptimizedImageProps {
@@ -10,159 +10,103 @@ interface OptimizedImageProps {
   width?: number;
   height?: number;
   fill?: boolean;
-  priority?: boolean;
   className?: string;
   containerClassName?: string;
+  priority?: boolean;
   sizes?: string;
   quality?: number;
   placeholder?: 'blur' | 'empty';
   blurDataURL?: string;
-  onLoad?: () => void;
-  onError?: () => void;
-  objectFit?: 'contain' | 'cover' | 'fill' | 'none' | 'scale-down';
-  objectPosition?: string;
-  loading?: 'lazy' | 'eager';
-  unoptimized?: boolean;
 }
 
-const shimmer = (w: number, h: number) => `
-<svg width="${w}" height="${h}" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-  <defs>
-    <linearGradient id="g">
-      <stop stop-color="#f0f0f0" offset="20%" />
-      <stop stop-color="#e0e0e0" offset="50%" />
-      <stop stop-color="#f0f0f0" offset="70%" />
-    </linearGradient>
-  </defs>
-  <rect width="${w}" height="${h}" fill="#f0f0f0" />
-  <rect id="r" width="${w}" height="${h}" fill="url(#g)" />
-  <animate xlink:href="#r" attributeName="x" from="-${w}" to="${w}" dur="1s" repeatCount="indefinite"  />
-</svg>`;
-
-const toBase64 = (str: string) =>
-  typeof window === 'undefined'
-    ? Buffer.from(str).toString('base64')
-    : window.btoa(str);
-
-const OptimizedImage = memo(function OptimizedImage({
+export function OptimizedImage({
   src,
   alt,
   width,
   height,
   fill = false,
-  priority = false,
   className,
   containerClassName,
-  sizes,
+  priority = false,
+  sizes = '(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 33vw',
   quality = 85,
   placeholder = 'blur',
   blurDataURL,
-  onLoad,
-  onError,
-  objectFit = 'cover',
-  objectPosition = 'center',
-  loading = 'lazy',
-  unoptimized = false,
 }: OptimizedImageProps) {
-  const [isLoading, setIsLoading] = useState(true);
-  const [hasError, setHasError] = useState(false);
+  const [isLoaded, setIsLoaded] = useState(false);
+  const [error, setError] = useState(false);
 
+  // 生成默认的模糊占位符
+  const defaultBlurDataURL = 'data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0MDAiIGhlaWdodD0iNDAwIj48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSIjZjFmNWY5Ii8+PC9zdmc+';
+
+  // 使用 callback 来处理加载状态
   const handleLoad = useCallback(() => {
-    setIsLoading(false);
-    onLoad?.();
-  }, [onLoad]);
+    setIsLoaded(true);
+  }, []);
 
   const handleError = useCallback(() => {
-    setIsLoading(false);
-    setHasError(true);
-    onError?.();
-  }, [onError]);
+    setError(true);
+  }, []);
 
-  const defaultBlurDataURL = blurDataURL || (width && height ? `data:image/svg+xml;base64,${toBase64(shimmer(width, height))}` : undefined);
-
-  const objectFitClass = {
-    contain: 'object-contain',
-    cover: 'object-cover',
-    fill: 'object-fill',
-    none: 'object-none',
-    'scale-down': 'object-scale-down',
-  }[objectFit];
-
-  if (hasError) {
+  if (error) {
     return (
       <div
         className={cn(
-          'flex items-center justify-center bg-gray-100 text-gray-400',
+          'bg-gray-100 flex items-center justify-center',
           containerClassName
         )}
-        style={width && height ? { width, height } : undefined}
+        style={!fill ? { width, height } : undefined}
       >
-        <svg
-          className="w-12 h-12"
-          fill="none"
-          stroke="currentColor"
-          viewBox="0 0 24 24"
-        >
-          <path
-            strokeLinecap="round"
-            strokeLinejoin="round"
-            strokeWidth={1.5}
-            d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z"
-          />
-        </svg>
-      </div>
-    );
-  }
-
-  const imageElement = (
-    <Image
-      src={src}
-      alt={alt}
-      width={fill ? undefined : width}
-      height={fill ? undefined : height}
-      fill={fill}
-      priority={priority}
-      sizes={sizes}
-      quality={quality}
-      placeholder={placeholder}
-      blurDataURL={defaultBlurDataURL}
-      onLoad={handleLoad}
-      onError={handleError}
-      loading={priority ? 'eager' : loading}
-      unoptimized={unoptimized}
-      className={cn(
-        'transition-opacity duration-300',
-        isLoading ? 'opacity-0' : 'opacity-100',
-        objectFitClass,
-        className
-      )}
-      style={{ objectPosition }}
-    />
-  );
-
-  if (fill) {
-    return (
-      <div className={cn('relative overflow-hidden', containerClassName)}>
-        {imageElement}
-        {isLoading && (
-          <div className="absolute inset-0 animate-pulse bg-gray-200" />
-        )}
+        <span className="text-gray-400 text-sm">图片加载失败</span>
       </div>
     );
   }
 
   return (
-    <div className={cn('relative overflow-hidden', containerClassName)}>
-      {imageElement}
-      {isLoading && (
+    <div
+      className={cn(
+        'relative overflow-hidden',
+        fill ? 'w-full h-full' : '',
+        containerClassName
+      )}
+      style={!fill ? { width, height } : undefined}
+    >
+      {/* 模糊占位符背景 */}
+      {!isLoaded && placeholder === 'blur' && (
         <div
-          className="absolute inset-0 animate-pulse bg-gray-200"
-          style={width && height ? { width, height } : undefined}
+          className="absolute inset-0 bg-cover bg-center blur-sm scale-110 transition-opacity duration-500"
+          style={{
+            backgroundImage: `url(${blurDataURL || defaultBlurDataURL})`,
+          }}
         />
       )}
+
+      {/* 加载动画 */}
+      {!isLoaded && (
+        <div className="absolute inset-0 flex items-center justify-center">
+          <div className="w-8 h-8 border-2 border-gray-200 border-t-[#C41E3A] rounded-full animate-spin" />
+        </div>
+      )}
+
+      <Image
+        src={src}
+        alt={alt}
+        width={fill ? undefined : width}
+        height={fill ? undefined : height}
+        fill={fill}
+        priority={priority}
+        sizes={sizes}
+        quality={quality}
+        placeholder={placeholder}
+        blurDataURL={blurDataURL || defaultBlurDataURL}
+        className={cn(
+          'transition-opacity duration-500',
+          isLoaded ? 'opacity-100' : 'opacity-0',
+          className
+        )}
+        onLoad={handleLoad}
+        onError={handleError}
+      />
     </div>
   );
-});
-
-export { OptimizedImage };
-export type { OptimizedImageProps };
+}
diff --git a/src/components/ui/scroll-progress.test.tsx b/src/components/ui/scroll-progress.test.tsx
new file mode 100644
index 0000000..0eefef5
--- /dev/null
+++ b/src/components/ui/scroll-progress.test.tsx
@@ -0,0 +1,54 @@
+import { render, screen, waitFor } from '@testing-library/react';
+import { ScrollProgress } from './scroll-progress';
+
+// Mock framer-motion
+jest.mock('framer-motion', () => ({
+  motion: {
+    div: ({ children, ...props }: React.ComponentProps<'div'>) => <div {...props}>{children}</div>,
+  },
+  useScroll: () => ({ scrollYProgress: { get: () => 0, onChange: jest.fn() } }),
+  useSpring: () => ({ get: () => 0 }),
+}));
+
+// Mock useReducedMotion
+jest.mock('@/hooks/use-reduced-motion', () => ({
+  useReducedMotion: () => false,
+}));
+
+describe('ScrollProgress', () => {
+  let scrollYValue = 0;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    scrollYValue = 0;
+    Object.defineProperty(window, 'scrollY', {
+      get: () => scrollYValue,
+      configurable: true,
+    });
+    window.addEventListener = jest.fn((event, handler) => {
+      if (event === 'scroll') {
+        (handler as EventListener)(new Event('scroll'));
+      }
+    });
+  });
+
+  it('should not render when scroll position is less than 100px', () => {
+    scrollYValue = 0;
+    const { container } = render(<ScrollProgress />);
+    expect(container.firstChild).toBeNull();
+  });
+
+  it('should render progressbar with correct ARIA attributes when visible', async () => {
+    scrollYValue = 150;
+
+    render(<ScrollProgress />);
+
+    await waitFor(() => {
+      const progressbar = screen.getByRole('progressbar');
+      expect(progressbar).toBeInTheDocument();
+      expect(progressbar).toHaveAttribute('aria-label', '页面滚动进度');
+      expect(progressbar).toHaveAttribute('aria-valuemin', '0');
+      expect(progressbar).toHaveAttribute('aria-valuemax', '100');
+    });
+  });
+});
diff --git a/src/components/ui/scroll-progress.tsx b/src/components/ui/scroll-progress.tsx
new file mode 100644
index 0000000..4c97192
--- /dev/null
+++ b/src/components/ui/scroll-progress.tsx
@@ -0,0 +1,52 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { motion, useScroll, useSpring } from 'framer-motion';
+import { useReducedMotion } from '@/hooks/use-reduced-motion';
+
+export function ScrollProgress() {
+  const [isVisible, setIsVisible] = useState(false);
+  const shouldReduceMotion = useReducedMotion();
+  const { scrollYProgress } = useScroll();
+  
+  // 使用弹簧动画使进度条移动更平滑
+  const scaleX = useSpring(scrollYProgress, {
+    stiffness: 100,
+    damping: 30,
+    restDelta: 0.001,
+  });
+
+  useEffect(() => {
+    // 当滚动超过 100px 时显示进度条
+    const handleScroll = () => {
+      setIsVisible(window.scrollY > 100);
+    };
+
+    window.addEventListener('scroll', handleScroll, { passive: true });
+    return () => window.removeEventListener('scroll', handleScroll);
+  }, []);
+
+  if (!isVisible) {return null;}
+
+  return (
+    <motion.div
+      initial={shouldReduceMotion ? {} : { opacity: 0 }}
+      animate={{ opacity: 1 }}
+      exit={shouldReduceMotion ? {} : { opacity: 0 }}
+      transition={{ duration: 0.2 }}
+      className="fixed top-0 left-0 right-0 h-1 z-[100] bg-transparent"
+      role="progressbar"
+      aria-label="页面滚动进度"
+      aria-valuemin={0}
+      aria-valuemax={100}
+    >
+      <motion.div
+        className="h-full bg-gradient-to-r from-[#C41E3A] to-[#E04A68] origin-left"
+        style={{ 
+          scaleX,
+          boxShadow: '0 0 10px rgba(196, 30, 58, 0.3)',
+        }}
+      />
+    </motion.div>
+  );
+}
diff --git a/src/hooks/use-font-loading.test.ts b/src/hooks/use-font-loading.test.ts
new file mode 100644
index 0000000..084a588
--- /dev/null
+++ b/src/hooks/use-font-loading.test.ts
@@ -0,0 +1,68 @@
+import { renderHook, waitFor } from '@testing-library/react';
+import { useFontLoading } from './use-font-loading';
+
+describe('useFontLoading', () => {
+  const originalFonts = document.fonts;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  afterEach(() => {
+    Object.defineProperty(document, 'fonts', {
+      value: originalFonts,
+      writable: true,
+    });
+  });
+
+  it('should return true when fonts API is not supported', async () => {
+    // 完全删除 fonts 属性来模拟不支持的情况
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    const originalFonts = (document as unknown as Record<string, unknown>).fonts;
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    delete (document as unknown as Record<string, unknown>).fonts;
+
+    const { result } = renderHook(() => useFontLoading());
+    
+    await waitFor(() => {
+      expect(result.current).toBe(true);
+    });
+
+    // 恢复 fonts 属性
+    Object.defineProperty(document, 'fonts', {
+      value: originalFonts,
+      writable: true,
+      configurable: true,
+    });
+  });
+
+  it('should return true when font is loaded', async () => {
+    const mockLoad = jest.fn().mockResolvedValue([]);
+    Object.defineProperty(document, 'fonts', {
+      value: { load: mockLoad },
+      writable: true,
+    });
+
+    const { result } = renderHook(() => useFontLoading('Aoyagi Reisho'));
+    
+    await waitFor(() => {
+      expect(result.current).toBe(true);
+    });
+
+    expect(mockLoad).toHaveBeenCalledWith('1em "Aoyagi Reisho"');
+  });
+
+  it('should return true when font loading fails', async () => {
+    const mockLoad = jest.fn().mockRejectedValue(new Error('Font load failed'));
+    Object.defineProperty(document, 'fonts', {
+      value: { load: mockLoad },
+      writable: true,
+    });
+
+    const { result } = renderHook(() => useFontLoading());
+    
+    await waitFor(() => {
+      expect(result.current).toBe(true);
+    });
+  });
+});
diff --git a/src/hooks/use-font-loading.ts b/src/hooks/use-font-loading.ts
new file mode 100644
index 0000000..cf1c06e
--- /dev/null
+++ b/src/hooks/use-font-loading.ts
@@ -0,0 +1,55 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+
+export function useFontLoading(fontFamily: string = 'Aoyagi Reisho') {
+  const [isLoaded, setIsLoaded] = useState(false);
+
+  useEffect(() => {
+    let cancelled = false;
+
+    // 检查字体是否已加载
+    if ('fonts' in document) {
+      document.fonts
+        .load(`1em "${fontFamily}"`)
+        .then(() => {
+          if (!cancelled) {
+            setIsLoaded(true);
+          }
+        })
+        .catch(() => {
+          // 如果字体加载失败，仍然标记为已加载，使用回退字体
+          if (!cancelled) {
+            setIsLoaded(true);
+          }
+        });
+    } else {
+      // 不支持 Font Loading API 的浏览器，使用 setTimeout 避免同步 setState
+      const timer = setTimeout(() => {
+        if (!cancelled) {
+          setIsLoaded(true);
+        }
+      }, 0);
+      return () => clearTimeout(timer);
+    }
+
+    return () => {
+      cancelled = true;
+    };
+  }, [fontFamily]);
+
+  return isLoaded;
+}
+
+export function useFontPreloader(fontUrls: string[]) {
+  useEffect(() => {
+    fontUrls.forEach((url) => {
+      const link = document.createElement('link');
+      link.rel = 'preload';
+      link.as = 'font';
+      link.href = url;
+      link.crossOrigin = 'anonymous';
+      document.head.appendChild(link);
+    });
+  }, [fontUrls]);
+}
diff --git a/src/hooks/use-form-autosave.test.ts b/src/hooks/use-form-autosave.test.ts
new file mode 100644
index 0000000..d4368c4
--- /dev/null
+++ b/src/hooks/use-form-autosave.test.ts
@@ -0,0 +1,150 @@
+import { renderHook, act, waitFor } from '@testing-library/react';
+import { useFormAutosave } from './use-form-autosave';
+
+describe('useFormAutosave', () => {
+  const mockKey = 'test_form';
+  const mockInitialData = { name: '', email: '' };
+
+  beforeEach(() => {
+    localStorage.clear();
+    jest.clearAllMocks();
+    jest.useFakeTimers();
+  });
+
+  afterEach(() => {
+    jest.useRealTimers();
+  });
+
+  it('should initialize with initial data', () => {
+    const { result } = renderHook(() =>
+      useFormAutosave({
+        key: mockKey,
+        initialData: mockInitialData,
+      })
+    );
+
+    expect(result.current.data).toEqual(mockInitialData);
+    expect(result.current.lastSaved).toBeNull();
+    expect(result.current.isRestored).toBe(false);
+  });
+
+  it('should restore data from localStorage', () => {
+    const savedData = {
+      data: { name: 'John', email: 'john@example.com' },
+      timestamp: new Date().toISOString(),
+    };
+    localStorage.setItem(`form_autosave_${mockKey}`, JSON.stringify(savedData));
+
+    const { result } = renderHook(() =>
+      useFormAutosave({
+        key: mockKey,
+        initialData: mockInitialData,
+      })
+    );
+
+    expect(result.current.data).toEqual(savedData.data);
+    expect(result.current.isRestored).toBe(true);
+  });
+
+  it('should not restore expired data', () => {
+    const expiredData = {
+      data: { name: 'John', email: 'john@example.com' },
+      timestamp: new Date(Date.now() - 25 * 60 * 60 * 1000).toISOString(), // 25 hours ago
+    };
+    localStorage.setItem(`form_autosave_${mockKey}`, JSON.stringify(expiredData));
+
+    const { result } = renderHook(() =>
+      useFormAutosave({
+        key: mockKey,
+        initialData: mockInitialData,
+        maxAge: 24 * 60 * 60 * 1000, // 24 hours
+      })
+    );
+
+    expect(result.current.data).toEqual(mockInitialData);
+    expect(result.current.isRestored).toBe(false);
+  });
+
+  it('should update data and auto-save after debounce', async () => {
+    const onSave = jest.fn();
+    const { result } = renderHook(() =>
+      useFormAutosave({
+        key: mockKey,
+        initialData: mockInitialData,
+        onSave,
+        debounceMs: 1000,
+      })
+    );
+
+    act(() => {
+      result.current.updateData({ name: 'John' });
+    });
+
+    expect(result.current.data.name).toBe('John');
+    expect(result.current.lastSaved).toBeNull();
+
+    act(() => {
+      jest.advanceTimersByTime(1000);
+    });
+
+    await waitFor(() => {
+      expect(result.current.lastSaved).not.toBeNull();
+    });
+
+    expect(onSave).toHaveBeenCalledWith({ name: 'John', email: '' });
+  });
+
+  it('should clear saved data', () => {
+    const savedData = {
+      data: { name: 'John', email: 'john@example.com' },
+      timestamp: new Date().toISOString(),
+    };
+    localStorage.setItem(`form_autosave_${mockKey}`, JSON.stringify(savedData));
+
+    const { result } = renderHook(() =>
+      useFormAutosave({
+        key: mockKey,
+        initialData: mockInitialData,
+      })
+    );
+
+    act(() => {
+      result.current.clearSavedData();
+    });
+
+    expect(result.current.data).toEqual(mockInitialData);
+    expect(result.current.lastSaved).toBeNull();
+    expect(result.current.isRestored).toBe(false);
+    expect(localStorage.getItem(`form_autosave_${mockKey}`)).toBeNull();
+  });
+
+  it('should save immediately when called', async () => {
+    const onSave = jest.fn();
+    const { result } = renderHook(() =>
+      useFormAutosave({
+        key: mockKey,
+        initialData: mockInitialData,
+        onSave,
+        debounceMs: 5000,
+      })
+    );
+
+    act(() => {
+      result.current.updateData({ name: 'John' });
+    });
+
+    // 等待状态更新
+    await waitFor(() => {
+      expect(result.current.data.name).toBe('John');
+    });
+
+    act(() => {
+      result.current.saveImmediately();
+    });
+
+    await waitFor(() => {
+      expect(onSave).toHaveBeenCalledWith({ name: 'John', email: '' });
+    });
+    expect(result.current.lastSaved).not.toBeNull();
+  });
+});
diff --git a/src/hooks/use-form-autosave.ts b/src/hooks/use-form-autosave.ts
new file mode 100644
index 0000000..5250efa
--- /dev/null
+++ b/src/hooks/use-form-autosave.ts
@@ -0,0 +1,146 @@
+'use client';
+
+import { useState, useEffect, useCallback, useRef } from 'react';
+
+interface UseFormAutosaveOptions<T> {
+  key: string;
+  initialData: T;
+  onSave?: (data: T) => void;
+  debounceMs?: number;
+  maxAge?: number; // 数据最大保存时间（毫秒），默认 24 小时
+}
+
+interface AutosaveState<T> {
+  data: T;
+  lastSaved: Date | null;
+  isRestored: boolean;
+}
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export function useFormAutosave<T extends Record<string, any>>({
+  key,
+  initialData,
+  onSave,
+  debounceMs = 1000,
+  maxAge = 24 * 60 * 60 * 1000, // 24 小时
+}: UseFormAutosaveOptions<T>) {
+  const [state, setState] = useState<AutosaveState<T>>({
+    data: initialData,
+    lastSaved: null,
+    isRestored: false,
+  });
+  
+  const timeoutRef = useRef<NodeJS.Timeout | null>(null);
+  const storageKey = `form_autosave_${key}`;
+
+  // 从 localStorage 恢复数据
+  useEffect(() => {
+    try {
+      const saved = localStorage.getItem(storageKey);
+      if (saved) {
+        const parsed = JSON.parse(saved);
+        const savedTime = new Date(parsed.timestamp).getTime();
+        const now = Date.now();
+        
+        // 检查数据是否过期
+        if (now - savedTime < maxAge) {
+          setState({
+            data: { ...initialData, ...parsed.data },
+            lastSaved: new Date(parsed.timestamp),
+            isRestored: true,
+          });
+        } else {
+          // 数据过期，清除
+          localStorage.removeItem(storageKey);
+        }
+      }
+    } catch (error) {
+      console.error('Failed to restore form data:', error);
+    }
+  }, [storageKey, initialData, maxAge]);
+
+  // 自动保存到 localStorage
+  const saveToStorage = useCallback((data: T) => {
+    try {
+      const payload = {
+        data,
+        timestamp: new Date().toISOString(),
+      };
+      localStorage.setItem(storageKey, JSON.stringify(payload));
+      setState(prev => ({
+        ...prev,
+        lastSaved: new Date(),
+      }));
+      onSave?.(data);
+    } catch (error) {
+      console.error('Failed to save form data:', error);
+    }
+  }, [storageKey, onSave]);
+
+  // 防抖保存
+  const debouncedSave = useCallback((data: T) => {
+    if (timeoutRef.current) {
+      clearTimeout(timeoutRef.current);
+    }
+    
+    timeoutRef.current = setTimeout(() => {
+      saveToStorage(data);
+    }, debounceMs);
+  }, [debounceMs, saveToStorage]);
+
+  // 更新数据
+  const updateData = useCallback((updates: Partial<T> | ((prev: T) => Partial<T>)) => {
+    setState(prev => {
+      const newData = typeof updates === 'function'
+        ? { ...prev.data, ...updates(prev.data) }
+        : { ...prev.data, ...updates };
+      
+      debouncedSave(newData);
+      
+      return {
+        ...prev,
+        data: newData,
+      };
+    });
+  }, [debouncedSave]);
+
+  // 清除保存的数据
+  const clearSavedData = useCallback(() => {
+    try {
+      localStorage.removeItem(storageKey);
+      setState({
+        data: initialData,
+        lastSaved: null,
+        isRestored: false,
+      });
+    } catch (error) {
+      console.error('Failed to clear form data:', error);
+    }
+  }, [storageKey, initialData]);
+
+  // 立即保存（用于表单提交前）
+  const saveImmediately = useCallback(() => {
+    if (timeoutRef.current) {
+      clearTimeout(timeoutRef.current);
+    }
+    saveToStorage(state.data);
+  }, [state.data, saveToStorage]);
+
+  // 清理
+  useEffect(() => {
+    return () => {
+      if (timeoutRef.current) {
+        clearTimeout(timeoutRef.current);
+      }
+    };
+  }, []);
+
+  return {
+    data: state.data,
+    lastSaved: state.lastSaved,
+    isRestored: state.isRestored,
+    updateData,
+    clearSavedData,
+    saveImmediately,
+  };
+}