中文：我们采集以下类别的信息以提供服务：
English: We collect: contact info (email required, phone optional), identifiers (account & device ID), location (with your permission, for nearby/campus features; revocable anytime), user content (posts, comments, photos, messages), usage data (browsing, likes, dwell time, searches — for recommendations), and diagnostics (crash logs via Sentry).
提供与改进核心功能、个性化内容推荐、安全与反滥用、客户支持。
To provide and improve core features, personalize recommendations, ensure safety/anti-abuse, and customer support.
我们不会出售你的个人信息给任何第三方；我们不投放广告，不进行跨应用/跨网站追踪（无 IDFA/广告标识采集）。
We do not sell your personal information. We do not show ads and do not track you across apps or websites (no IDFA/advertising identifier collected).
你有权访问、更正、删除你的个人信息。你可随时在 App 内「设置 → 危险操作 → 永久注销账号」发起账号删除，账号与关联个人数据将在 30 天内永久删除（删除后内容将显示为"已注销用户")。
You may access, correct, and delete your data. You can delete your account anytime in-app via Settings → Danger Zone → Permanently Delete Account; your account and associated personal data are permanently removed within 30 days.
我们采用加密传输与访问控制保护数据；账号删除后 30 天内完成硬删除。
We use encrypted transport and access controls; hard deletion completes within 30 days of account deletion.
本应用面向高校学生，分级 17+。
This app targets university students and is rated 17+.
隐私相关：privacy@xiyouji.com · 一般支持：support@xiyouji.com (XIYOUJI LLC)