说明 Cookie 分类、用途、供应商清单与同意管理方式，支持用户撤回授权。
Last updated: July 1, 2026
| Cookie 类型 | 用途说明 | 有效期 | 类别 |
|---|---|---|---|
| qxtech_session | Maintains login session, no re-login needed during navigation | Expires on browser close | |
| qxtech_lang | Saves language preference for automatic locale switching on next visit | 12 months | |
| qxtech_theme | Remembers UI theme preference (dark/light mode) | 6 months | |
| _ga / _gid | Google Analytics anonymous identifiers for visitor count and page views | 2 years / 24 hours | |
| _gat | Google Analytics rate-limiting throttle | 1 minute | |
| qxtech_ads | Records interaction with marketing content to optimise ad delivery | 12 months |
