PRIVACY POLICY

      --- Official Privacy Protection Specification ---
      This specification is formulated for the standardized management of user data in online service scenarios, aiming to protect user privacy and data security. All service interactions between users and our platform are subject to this specification.
      1. Information Collection Rules
      - Collect only necessary service data, no unauthorized sensitive information acquisition
      - All information is derived from user voluntary submission and normal service interaction
      - Adhere to the minimal necessity principle of data processing
      2. Data Usage Norms
      User data is limited to service operation, experience optimization and problem handling, with no illegal or unauthorized external use and sharing. We strictly control data application scope to ensure legitimate and compliant use of all information.
      3. Security & Update Mechanism
      - Multi-layer security protection to guard data safety in all links
      - Flexible policy optimization with service function iteration
      - Timely page update as far as possible to facilitate user inquiry