隐私政策

We collect certain information to provide our services, including:

• Account Information: Your email address, password (bcrypt-encrypted), and nickname.
• Usage Data: Learning progress, quiz scores, listening history, and favorites.
• Children's Information: To provide personalized learning, we only collect indispensable child nicknames and age bands (provided and authorized by parents).
• Device Information: Browser type, language preference, access timestamps (for security audit only).

We use the collected information to:

• Provide, maintain, and improve our services.
• Send weekly learning reports to parents (if subscribed).
• Process subscriptions and payments.
• Send service notifications and updates.
• Conduct security audits and fraud prevention.

We are committed to protecting your privacy. We never sell your personal information. We only share information in the following circumstances:

• Stripe: Payment processing — only necessary transaction data is shared.
• Resend: Email service for account verification and weekly reports.
• Cloudflare R2/CDN: Content delivery — no personal data is transmitted.
• Legal Requirements: When required by law or to protect our rights.

TongShiGo is committed to children's privacy and complies with COPPA (Children's Online Privacy Protection Act) and GDPR provisions for children:

• Our services are directed to parents and intended for use by children under parental supervision.
• We do not directly collect personal information from children under 13.
• All child profile data (nickname, age band, preferences) is provided and authorized by parents.
• We follow data minimization principles, collecting only the minimum necessary information.
• We do not market to children or display third-party advertising.
• Parents may request access to, correction of, or deletion of their child's personal information at any time.

You have the right to request deletion of your personal data at any time:

• Parents can remove child profiles from the Parent Center so they no longer appear in everyday learning flows.
• To permanently delete related personal data or fully close your account, email info@tongshigo.com — we will process within 30 days.
• Where required for legal obligations, dispute handling, or fraud prevention, we may retain limited records; other personal data will be deleted or anonymized.

TongShiGo serves global users. Your data may be stored and processed in:

• United States (Render hosting, Stripe payments)
• Cloudflare global edge network (content delivery)

We ensure all cross-border transfers comply with applicable data protection laws, including Standard Contractual Clauses (SCC) and other appropriate safeguards.

We use essential cookies (session management, user preferences such as language and theme). We do not use tracking or advertising cookies. You can manage cookie settings in your browser, but disabling cookies may affect login and preference features.

We implement industry-standard security measures including:

• Bcrypt password hashing
• HTTPS encryption for all traffic
• CSRF token protection
• Session security management and login auditing

We may update this Privacy Policy periodically. Significant changes will be communicated via your registered email. Continued use of the service constitutes acceptance of the updated policy.

If you have any concerns about your privacy or wish to exercise your data rights, please contact us at: info@tongshigo.com