隐私政策

本隐私政策说明有行世家数字文库（以下简称"我们"）在您使用 books.youxingshijia.com（以下简称"本网站"）购买及阅读李守中著作数字版时，如何收集、使用和保护您的个人资料。

一、我们收集的资料

我们仅收集完成购书和提供在线阅读服务所必要的最少资料：

• 电子邮件地址：用于识别您的账号、发送购书确认邮件及一键登录链接。
• 支付资料：由 Stripe 处理，我们不储存您的信用卡、借记卡或支付宝/微信支付的完整账号资料。
• 购书记录：记录您购买的书目及时间，用于验证阅读权限。
• 阅读进度：储存在您本地设备的浏览器中（localStorage），我们的服务器不记录您阅读的具体章节或进度。

二、我们如何使用您的资料

• 验证您的购书资格，提供对应书目的在线阅读权限
• 发送购书确认邮件及一键登录链接
• 处理与您账号相关的客户服务查询

我们不会将您的个人资料出售、出租或分享给任何第三方用于营销目的。

三、第三方服务

本网站使用以下第三方服务，各服务均有其独立的隐私政策：

• Stripe：处理付款。Stripe 会依据其隐私政策收集和处理您的支付资料。stripe.com/privacy
• Supabase：储存账号及购书资料。supabase.com/privacy
• Resend：发送交易性邮件（购书确认、登录链接）。resend.com/privacy

四、Cookie 及本地储存

本网站使用浏览器 localStorage 储存您的登录状态和阅读进度，无需您同意亦可正常使用。我们不使用第三方追踪 Cookie，不进行跨网站行为追踪。

五、资料安全

书籍内容储存于受行级安全策略保护的数据库中，仅已验证购书权限的账号可访问。我们采用 HTTPS 加密所有数据传输，并使用一次性魔法链接（Magic Link）进行身份验证，无需设置密码。

六、资料保留

您的购书记录将永久保留，以确保您的终身阅读权限持续有效。如您要求删除账号及相关资料，请联系我们，我们将在30天内处理。

七、未成年人

本网站不以13岁以下儿童为服务对象，亦不故意收集其个人资料。

八、政策变更

若本政策有重大变更，我们将在网站上公告并更新页面顶部的"最后更新"日期。

Privacy Policy

This Privacy Policy explains how YouXing Heritage Digital Library ("we," "us," or "our") collects, uses, and protects your personal information when you use books.youxingshijia.com (the "Site") to purchase and read digital editions of Li Shouzhong's works.

1. Information We Collect

We collect only the minimum information necessary to process purchases and provide the online reading service:

• Email address: Used to identify your account, send purchase confirmation emails, and deliver magic login links.
• Payment information: Processed by Stripe. We do not store your full card number, bank account, or Alipay/WeChat Pay credentials.
• Purchase records: Which book(s) you purchased and when, used to verify reading access.
• Reading progress: Stored locally in your browser (localStorage). Our servers do not log which chapters you read or your reading speed.

2. How We Use Your Information

• To verify your purchase and grant access to the corresponding book(s)
• To send purchase confirmation emails and magic login links
• To respond to customer service inquiries related to your account

We do not sell, rent, or share your personal information with any third party for marketing purposes.

3. Third-Party Services

• Stripe: Payment processing. stripe.com/privacy
• Supabase: Account and purchase data storage. supabase.com/privacy
• Resend: Transactional emails (purchase confirmation, login links). resend.com/privacy

4. Cookies and Local Storage

We use browser localStorage to store your login state and reading progress. We do not use third-party tracking cookies or cross-site behavioral tracking.

5. Data Security

Book content is stored in a database protected by row-level security policies, accessible only to accounts with verified purchase records. All data transmission is encrypted via HTTPS. Authentication uses one-time magic links — no passwords required.

6. Data Retention

Purchase records are retained indefinitely to ensure your lifetime reading access remains valid. To request deletion of your account and associated data, contact us and we will process your request within 30 days.

7. Children

This Site is not directed at children under 13, and we do not knowingly collect personal information from them.

8. Changes to This Policy

For material changes, we will post a notice on the Site and update the "Last updated" date above.