Privacy Policy | 隐私政策
Last Updated: January 20, 2026 | 最后更新：2026年1月20日
TL;DR: We use Google Analytics to collect anonymous usage data to improve the map experience. This includes standard web analytics (browser type, device, general location from anonymized IP) and custom events (searches, clicks). We DO NOT collect your precise GPS location, name, email, or any personally identifiable information.
简而言之：我们使用 Google Analytics 收集匿名使用数据以改善地图体验。这包括标准网络分析（浏览器类型、设备、来自匿名化IP的大致位置）和自定义事件（搜索、点击）。我们不会收集您的精确GPS位置、姓名、邮箱或任何个人身份信息。
1. Information We Collect | 我们收集的信息
1.1 Automatically Collected Data (via Google Analytics 4) | 自动收集的数据
Google Analytics automatically collects the following information when you visit BNBU Map (even without custom events):
当您访问 BNBU Map 时，Google Analytics 会自动收集以下信息（即使没有自定义事件）：
Data Type
数据类型 |
Examples
示例 |
Purpose
用途 |
Browser Information
浏览器信息 |
Chrome, Firefox, Safari, Edge; Browser version, Language preference
Chrome、Firefox、Safari、Edge；浏览器版本、语言偏好 |
Optimize compatibility
优化兼容性 |
Device Type
设备类型 |
Desktop, Mobile, Tablet; Device brand/model, Operating System (Windows, macOS, iOS, Android)
桌面、移动、平板；设备品牌/型号、操作系统（Windows、macOS、iOS、Android） |
Improve responsive design
改善响应式设计 |
Screen Resolution
屏幕分辨率 |
1920x1080, 375x667, etc.
1920x1080、375x667等 |
Optimize UI layout
优化界面布局 |
Geographic Location
地理位置 |
Country, Region, City (derived from anonymized IP)
国家、地区、城市（从匿名化IP推导） |
Understand user demographics
了解用户群体 |
Traffic Source
流量来源 |
Referrer URL, Direct visit, Social media link
引荐URL、直接访问、社交媒体链接 |
Understand how users find the map
了解用户如何找到地图 |
Page Views
页面浏览 |
Page URL, Page title, Time on page
页面URL、页面标题、页面停留时间 |
Measure engagement
衡量用户参与度 |
Session Data
会话数据 |
Session duration, Number of pages viewed per session
会话时长、每个会话浏览的页面数 |
Understand user behavior patterns
了解用户行为模式 |
⚠️ Important: IP addresses are automatically anonymized by Google Analytics. Geographic location (country, region, city) is derived from the anonymized IP, not precise GPS coordinates.
⚠️ 重要：IP地址会被 Google Analytics 自动匿名化。地理位置（国家、地区、城市）是从匿名化的IP推导出来的，而非精确的GPS坐标。
1.2 Custom Event Data | 自定义事件数据
In addition to the above, we track specific user interactions through custom events:
除上述数据外，我们通过自定义事件追踪特定的用户交互：
Event Type
事件类型 |
Data Collected
收集的数据 |
Purpose
用途 |
search
搜索 |
Search keyword
搜索关键词 |
Understand popular search terms
了解热门搜索词 |
select_content
选择内容 |
POI name and category clicked from search
从搜索结果点击的POI名称和类别 |
Improve search result relevance
改善搜索结果相关性 |
select_poi
选择POI |
POI ID, name, and category
POI ID、名称和类别 |
Identify popular locations
识别热门地点 |
share
分享 |
POI ID and name being shared
被分享的POI ID和名称 |
Understand sharing behavior
了解分享行为 |
location_tracking
定位追踪 |
Action (start/stop)
操作（开始/停止） |
Measure GPS feature usage
衡量GPS功能使用率 |
location_success
定位成功 |
Accuracy level (high/low)
精度级别（高/低） |
Assess location service quality
评估定位服务质量 |
location_error
定位错误 |
Error type (permission denied, timeout, etc.)
错误类型（权限拒绝、超时等） |
Diagnose location issues
诊断定位问题 |
filter_panel
筛选面板 |
Action (expand/collapse)
操作（展开/收起） |
Measure filter usage
衡量筛选器使用情况 |
filter_category
筛选类别 |
Category name and action (enable/disable)
类别名称和操作（启用/禁用） |
Understand user preferences
了解用户偏好 |
filter_action
筛选操作 |
Action (select all/unselect all)
操作（全选/取消全选） |
Optimize filter interface
优化筛选界面 |
1.3 What We DO NOT Collect | 我们不收集的信息
- Precise GPS Location Data: We do NOT track or store your exact GPS coordinates, movement patterns, or real-time location. Geographic location in GA4 is city-level at most (from anonymized IP).
精确GPS位置数据：我们不会追踪或存储您的精确GPS坐标、移动模式或实时位置。GA4中的地理位置最多到城市级别（来自匿名化IP）。
- Personal Identifiable Information (PII): No names, email addresses, phone numbers, user IDs, or other data that can directly identify you.
个人身份信息（PII）：不收集姓名、邮箱地址、电话号码、用户ID或其他可直接识别您的数据。
- Raw IP Addresses: Google Analytics automatically anonymizes IP addresses before processing.
原始IP地址：Google Analytics 在处理前自动匿名化IP地址。
- Cookies for Tracking Across Sites: We do not use cross-site tracking cookies.
跨站追踪Cookie：我们不使用跨站追踪Cookie。
2. How We Use the Data | 如何使用数据
The collected data is used exclusively for:
收集的数据仅用于：
- Understanding how users interact with the map and which features are most used
了解用户如何与地图交互以及哪些功能最常用
- Identifying popular features, POI categories, and locations
识别热门功能、POI类别和地点
- Optimizing the interface for different devices and screen sizes
为不同设备和屏幕尺寸优化界面
- Diagnosing technical issues (e.g., browser compatibility, location errors)
诊断技术问题（如浏览器兼容性、定位错误）
- Improving search functionality and result relevance
改善搜索功能和结果相关性
- Understanding user demographics (country/region) to prioritize features
了解用户群体（国家/地区）以优先开发功能
- Measuring site performance and load times
衡量网站性能和加载时间
We never use this data for:
我们绝不会将数据用于：
- Selling or sharing with third parties for marketing purposes
出售或与第三方分享用于营销目的
- Identifying or tracking individual users
识别或追踪个人用户
- Creating user profiles for advertising
创建用于广告的用户画像
- Cross-site tracking or behavioral advertising
跨站追踪或行为广告
3. Data Storage and Security | 数据存储和安全
- All data is processed and stored by Google Analytics in accordance with their Privacy Policy.
所有数据由 Google Analytics 根据其隐私政策处理和存储。
- Data is anonymized and aggregated, making it impossible to identify individual users.
数据经过匿名化和聚合处理，无法识别个人用户。
- We do not sell, rent, or share your data with third parties (except Google Analytics as our service provider).
我们不会向第三方出售、出租或分享您的数据（Google Analytics 作为服务提供商除外）。
4. Cookies and Local Storage | Cookie 和本地存储
4.1 Analytics Cookies (Google Analytics)
- Google Analytics uses cookies to distinguish users and sessions.
Google Analytics 使用 cookies 来区分用户和会话。
- These cookies are only set if you accept analytics tracking.
这些 cookies 仅在您接受分析追踪时设置。
- Cookie lifespan: Up to 2 years (as per Google Analytics default)
Cookie 有效期：最长2年（Google Analytics 默认设置）
4.2 Local Storage (Essential)
We use browser Local Storage for essential functionality (no consent required):
我们使用浏览器本地存储实现基本功能（无需同意）：
mapState: Saves your last map position and zoom level for convenience
mapState：保存您上次的地图位置和缩放级别以提供便利analytics_consent: Remembers your analytics consent choice
analytics_consent：记住您的分析同意选择
5. Your Rights and Choices | 您的权利和选择
5.1 Opt-Out of Analytics | 退出分析
You can:
您可以：
- Click "Decline" on the cookie consent banner when first visiting the site.
在首次访问网站时点击Cookie同意横幅上的"拒绝"。
- Change your choice at any time by clearing your browser's Local Storage for this site.
随时通过清除浏览器中本网站的本地存储来更改您的选择。
- Use browser extensions like Google Analytics Opt-out.
使用浏览器扩展如 Google Analytics 退出工具。
5.2 Clear Local Data | 清除本地数据
To clear all stored data:
清除所有存储的数据：
- Open browser Developer Tools (F12)
打开浏览器开发者工具（F12）
- Go to "Application" → "Local Storage"
转到"Application" → "Local Storage"
- Select this site and click "Clear All"
选择本网站并点击"Clear All"
6. Third-Party Services | 第三方服务
BNBU Map uses the following third-party services:
BNBU Map 使用以下第三方服务：
- Google Analytics 4: For usage analytics (as described above)
Google Analytics 4：用于使用分析（如上所述）
- MapLibre GL JS: For map rendering (no tracking)
MapLibre GL JS：用于地图渲染（无追踪）
- OpenStreetMap: For map data (no tracking by OSM)
OpenStreetMap：用于地图数据（OSM不进行追踪）
- Custom Tile Server: Hosted at maptiles.haotian22.top (no tracking)
自定义瓦片服务器：托管于 maptiles.haotian22.top（无追踪）
7. Children's Privacy | 儿童隐私
BNBU Map does not knowingly collect information from children under 13. If you are a parent or guardian and believe your child has provided data, please contact us.
BNBU Map 不会有意收集13岁以下儿童的信息。如果您是家长或监护人并认为您的孩子提供了数据，请联系我们。
8. Compliance | 合规性
- GDPR (EU): Users can decline analytics; data is anonymized and used for legitimate interests.
GDPR（欧盟）：用户可以拒绝分析；数据经过匿名化并用于合法利益。
- CCPA (California): We do not sell personal information.
CCPA（加州）：我们不出售个人信息。
- PIPL (China): Explicit consent is obtained; data processing is transparent.
PIPL（中国）：获得明确同意；数据处理透明。
9. Changes to This Policy | 政策变更
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last Updated" date.
我们可能会不时更新本隐私政策。更改将发布在此页面上，并更新"最后更新"日期。
10. Contact Us | 联系我们
If you have any questions about this Privacy Policy or our data practices, please contact us:
如果您对本隐私政策或我们的数据处理有任何疑问，请联系我们：
Data Minimization Commitment | 数据最小化承诺
We are committed to collecting only the minimum data necessary to improve the map experience. We prioritize user privacy and transparency in all our data practices.
我们承诺仅收集改善地图体验所必需的最少数据。我们在所有数据处理实践中优先考虑用户隐私和透明度。
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