3devotion 服务条款 / Terms of Service

中文版 (Chinese Version)

1. 协议的确认与接受

1.1 本服务条款（以下简称“本条款”或“本协议”）由您（以下简称“用户”或“您”）与上海智站未来机器人有限公司（以下简称“我们”、“公司”或“3devotion”，注册地址：上海市闵行区望汇路260弄5号4层，联系邮箱：[email protected]）共同缔结。
1.2 本协议规制您对 3devotion 平台（包括域名 https://3devotion.com 、相关网页端应用、服务端应用、MCP 协议接口及相关 API，统称“本服务”）的访问与使用。
1.3 当您勾选同意本协议、注册账号、登录、访问或以任何方式使用本服务时，即表示您已阅读、理解并同意接受本条款及《隐私政策》、《可接受使用政策》、《退款政策》等全部关联文件的约束。如果您不同意本条款的任何内容，您必须立即停止使用本服务。

2. 用户资格与使用指导

2.1 一般用户定位：本服务面向具备完全民事行为能力的一般公众用户设计，提供在线白板绘制、数学公式推导、几何演算、三维模型可视化及演示工具。
2.2 未成年人特别指导：本服务并非专门面向学生或未成年人设计。若您为未成年人，您应在您的父母、法定监护人或老师的指导与监督下阅读本协议并使用本服务。 监护人应当协助未成年人正确理解本服务的内容与风险。

3. 服务内容与账户管理

3.1 服务形态：3devotion 为用户提供包括但不限于手写笔迹绘制（L0/L1墨迹引擎）、数学公式 OCR 识别与渲染、2D/3D 图形与模型交互、场景录制与导出、AI 助手对话解析、MCP 工具接口及团队协作等在线数字化功能。
3.2 账户注册与安全：

• 用户使用真实合法的电子邮箱注册和登录。
• 用户应妥善保管自己的邮箱访问权限、登录会话标识及 API Key（密钥）。任何通过您的账户、会话或 API Key 进行的操作均视为您本人的操作，由您承担全部法律后果。
• 如发现未经授权的账户访问或密钥泄露，您应立即通知 3devotion 采取相应安全措施。
  3.3 API 与 MCP 限制：平台对 API Key 及 MCP 接口设置有速率限制（Rate Limits）及积分消耗规则，用户不得采取逆向工程、分布式请求或自动化并发脚本规避此类限制。

4. 付费服务、订阅与交易

4.1 收费模式：3devotion 提供免费基础版以及付费会员服务（包括但不限于 Pro、Max 等级别）。付费服务采取单次付款授权（例如一次性支付购买 30 天或 365 天有效期），不设强制循环自动扣费（除非用户在第三方收银台明确另行开启订阅并知情同意）。到期后若不续费，账户将自动恢复为免费版权限。
4.2 支付渠道：本服务的付款结算由第三方国际支付服务商（Creem）作为记录商家（Merchant of Record）处理。用户在付款时应遵守 Creem 的相关支付条款与规则。
4.3 价格变更：我们保留调整会员套餐价格、权益内容及计算积分规则的权利。价格调整自公布之日起生效，但不影响您已付费且尚在有效期内的现有服务。
4.4 退款政策：所有退款申请均严格依据我们的《退款政策》（refund.md）处理。除法律强制性规定或《退款政策》明确许可的情形外，数字服务激活或消费后原则上不予退款。

5. 免费版与广告展示

5.1 用户理解并同意，为支持 3devotion 免费版本的基础设施运营与技术迭代，我们将在免费版用户的界面中展示商业广告（包括但不限于由 Google AdSense 等合作伙伴投放的文字、图片及富媒体广告）。
5.2 用户不得使用任何广告拦截插件（Ad Blocker）恶意篡改或遮挡免费界面的广告展示，亦不得实施虚假点击、诱导点击等作弊行为。若用户不希望浏览广告，可选择付费升级至免广告会员版本。

6. 用户内容与知识产权

6.1 用户内容所有权：用户在 3devotion 画布上独立书写、绘制、上传、生成的具有独创性的内容（包括文本、图表、手绘笔迹、导出的教学资料等，统称“用户内容”）的知识产权归用户或原权利人所有。
6.2 平台使用许可：为向您提供本服务（包括跨设备云端同步、多人协同编辑、画布渲染及必要的备份），您授予 3devotion 一项全球范围内、非排他的、免许可使用费的许可，允许我们在为您提供服务所必需的范围内存储、复制、传输、显示您的内容。我们承诺不会公开出售或未经授权向公众广播您的私有内容。
6.3 平台知识产权：3devotion 的软件代码、前端界面设计、墨迹拟合算法、3D 知识库资源、交互动画、商标及商业标识均属上海智站未来机器人有限公司所有或已获得合法授权。未经我们事先书面明确许可，任何人不得对本服务进行反编译、反汇编、反向工程、抓取或衍生开发。

6.4 课件与社区分享：您创作或上传的黑板、课件等内容著作权归您所有。作品默认保存在本机；登录并明确同意云端保存后，平台才为您私有保存与云端备份，自动保存可关闭，同意可撤回；仅当您主动选择「发布到社区」并选择许可方式时，内容才对他人公开，您可随时撤回发布。您授予我们为提供、备份、展示（限于您选择的范围）该内容所必需的非独占、免费许可。我们仅使用汇总统计信息改进产品，未经您单独同意不将您的原始内容用于训练 AI 模型。

7. 人工智能（AI）功能特别条款

7.1 技术中立与概率输出：3devotion 包含的人工智能助手、公式识别、草图生成等功能依托于第三方大模型技术提供服务。AI 模型的输出结果基于概率计算产生，可能存在错误、不完整、时效性滞后、不准确或误导性内容。
7.2 用户自主核实与风险承担：

• 用户明确理解并同意：AI 生成的内容仅供学术探索、参考研究和辅助草图绘制之用，不构成任何专业建议（包括但不限于法律、医疗、金融、工程计算等专业结论）。
• 用户在采纳、发布或将 AI 生成内容用于任何实际决策或商业用途之前，负有完全的独立核实与审查义务，并自行承担因使用 AI 生成内容而产生的一切风险和法律后果。
  7.3 非基础模型训练承诺：我们承诺，未经您的明确书面许可，我们不会使用您的专有业务数据或私有黑板内容输入来训练第三方的通用基础大模型。

8. 免责声明与“按现状”提供

8.1 “按现状”及“按可用”：在法律法规允许的最大范围内，本服务均“按现状”（AS IS）和“按现有可用”（AS AVAILABLE）的基础提供。公司明确否认任何形式的明示或暗示的保证，包括但不限于适销性、特定用途适用性、不侵权、无病毒或错误、不中断运行以及数据的绝对安全与准确性。
8.2 不可抗力与网络故障：由于云服务基础设施（如 Cloudflare）、电力供应、骨干网络通信中断、计算机病毒、黑客攻击、政府行为等不可抗力或第三方因素导致的服务暂停或数据丢失，公司在法律允许范围内不承担赔偿责任。

9. 责任限制

9.1 间接损失排除：在法律允许的最大限度内，在任何情况下，上海智站未来机器人有限公司及其董事、员工、关联方或技术提供商均不对任何间接性、惩罚性、附带性、特殊性或后果性的损害（包括但不限于利润损失、商誉损失、数据丢失、业务中断或设备损坏）承担赔偿责任，无论基于侵权、违约还是其他法律理论，即使公司事先已被告知发生该等损害的可能性。
9.2 责任上限（责任封顶）：在任何情况下，公司因本协议或因使用本服务而向您承担的全部累计累计赔偿责任总额，均不超过您在导致索赔的事件发生前十二（12）个月内因使用本服务而实际支付给公司的服务费用总额；若您为免费版用户，则该赔偿责任总额在任何情况下均不超过 100 美元（或等值人民币 500 元）。

10. 用户保证与违规赔偿

10.1 用户向公司保证，其使用本服务的行为以及上传、书写的内容完全遵守法律法规及本协议，不含有违法、侵权、色情、虚假或破坏公共安全的信息。
10.2 若因用户违反法律法规、违反本协议或侵犯任何第三方的合法权益，导致公司面临任何索赔、行政处罚、诉讼仲裁或产生经济损失（包括合理的律师费、诉讼费、调查取证费），用户应当对公司进行全面赔偿并使公司免受损害。

11. 服务的变更、暂停与终止

11.1 公司有权根据业务发展、技术演进或法律合规需要，对本服务的全部或部分功能进行修改、升级、暂时中断或终止。
11.2 若用户违反本协议或《可接受使用政策》，公司有权在不事先通知的情况下，视情节严重程度对违规用户采取警告、限制功能、冻结 API Key、暂时冻结或永久终止账户的措施，且无需向用户退还未消费的费用。

12. 争议解决与法律适用

12.1 准据法：本协议的订立、效力、解释、履行及争议解决，均适用中华人民共和国法律（为本协议之目的，不包含香港特别行政区、澳门特别行政区及台湾地区的法律法规），并排除冲突法规则的适用。
12.2 管辖法院：因本协议引起的或与本协议相关的任何争议、分歧或主张，双方应首先通过友好协商解决；协商不成的，任何一方均应将争议提交至上海智站未来机器人有限公司住所地有管辖权的人民法院诉讼管辖。

13. 条款修改与通知

13.1 公司有权不时修改本条款。修改后的条款一旦在 3devotion 官方网站公布或以其他方式通知即行生效，并取代原条款。
13.2 用户应当定期查阅本条款。若用户在条款修改生效后继续使用本服务，即视为用户完全接受修改后的条款；若用户不同意修改，应立即停止使用本服务。

14. 杂项

14.1 可分性：若本条款中的任何条款被有管辖权的法院认定为非法、无效或不可执行，该条款在必要范围内予以限制或剔除，其余条款依然保持完全的法律效力。
14.2 不弃权：公司未行使或延迟行使本条款项下的任何权利，不构成对该等权利的放弃。
14.3 完整协议：本条款连同《隐私政策》、《可接受使用政策》、《退款政策》及《第三方服务商名单》，构成您与 3devotion 之间关于使用本服务的完整协议。

English Version (For Reference Only)

1. Acceptance of Terms

1.1 These Terms of Service ("Terms") constitute a legally binding agreement between you ("User" or "you") and Shanghai Zhizhan Future Robotics Co., Ltd. ("we", "us", "our", or "3devotion", registered at 4th Floor, Building 5, Lane 260, Wanghui Road, Minhang District, Shanghai, China; Email: [email protected]).
1.2 These Terms govern your access to and use of 3devotion (including https://3devotion.com, web applications, MCP interfaces, and associated APIs, collectively the "Service").
1.3 By accessing, browsing, registering, or using the Service, you acknowledge that you have read, understood, and agreed to be bound by these Terms, our Privacy Policy, Acceptable Use Policy, and Refund Policy. If you do not agree, you must immediately cease using the Service.

2. User Eligibility and Guidance for Minors

2.1 General Audience: The Service is designed for general audiences with full civil capacity, providing online blackboard sketching, equation derivation, geometry exploration, and 3D visualization tools.
2.2 Guidance for Minors: The Service is not specifically targeted at students or children. Minors must use the Service under the direct guidance, supervision, and consent of a parent, legal guardian, or teacher.

3. Service Access and Account Security

3.1 Features: Features include low-latency digital inking, handwriting math OCR, 2D/3D geometry interaction, scene recording/export, AI assistant queries, MCP interfaces, and multi-user collaboration.
3.2 Accounts & Keys: You must register with a valid email. You are solely responsible for maintaining the confidentiality of your session tokens and API keys. All actions conducted through your credentials are deemed your own. You must notify us immediately of any suspected unauthorized access.
3.3 Rate Limits: Users must not attempt to circumvent API rate limits, token quotas, or architectural safeguards.

4. Billing, Memberships, and Payments

4.1 Payment Structure: We provide a free tier and paid memberships (e.g., Pro, Max). Memberships are offered on a one-time upfront payment basis (e.g., single charge for 30 or 365 calendar days) without forced automatic renewals, unless explicitly opted in via checkout.
4.2 Payment Processor: Checkout is handled by Creem as Merchant of Record. Payments are governed by Creem's checkout terms.
4.3 Price Adjustments: We reserve the right to revise prices and quotas prospectively. Active prepaid terms will not be affected until expiration.
4.4 Refunds: All purchases are subject to our Refund Policy (refund.md). Except as required by mandatory law or stated in our Refund Policy, activated digital goods are non-refundable.

5. Free Tier and Advertisements

5.1 Users acknowledge that free tier availability is supported by commercial advertising (including Google AdSense).
5.2 Users may not employ ad-blockers to suppress advertisements on the free tier, nor engage in fraudulent or invalid clicks. Users who prefer an ad-free environment may upgrade to a paid membership.

6. User Content and Intellectual Property

6.1 User Ownership: You retain all intellectual property rights in your original handwritten strokes, formulas, text, and materials created on 3devotion ("User Content").
6.2 License to 3devotion: You grant 3devotion a worldwide, non-exclusive, royalty-free license to host, store, transfer, and display your User Content solely to the extent necessary to deliver the Service to you. We do not sell or publicly broadcast your private content.
6.3 Platform IP: All code, frontend interfaces, ink algorithms, 3D libraries, animations, and trademarks of 3devotion are owned by or licensed to Shanghai Zhizhan Future Robotics Co., Ltd. Reverse engineering or scraping is strictly prohibited.

6.4 Courseware and community sharing: you own the boards and courseware you create or upload. They remain local by default and are stored and backed up privately in the cloud only after you sign in and explicitly consent; you may disable autosave or withdraw consent; they become visible to others only if you choose "Publish to community" and select a license, and you may unpublish at any time. You grant us a non-exclusive, royalty-free license only as needed to provide, back up and display (within the scope you choose) that content. We use only aggregated statistics to improve the product and never use your original content to train AI models without your separate consent.

7. Artificial Intelligence (AI) Features Disclaimer

7.1 Probabilistic Outputs: AI assistant and math parsing features utilize third-party large language models. AI outputs are generated probabilistically and may be inaccurate, incomplete, outdated, or misleading.
7.2 User Verification & Risk: AI outputs are provided solely for conceptual reference and study assistance, not professional advice. Users bear full responsibility for independently verifying AI outputs prior to any reliance, application, or publication.
7.3 No Foundation Model Training: We do not use your private blackboard content or prompt inputs to train foundation AI models without your express written consent.

8. Warranty Disclaimer ("AS IS")

8.1 AS IS and AS AVAILABLE: To the maximum extent permitted by applicable law, the Service is provided "AS IS" and "AS AVAILABLE" without warranties of any kind, whether express, implied, or statutory, including warranties of merchantability, fitness for a particular purpose, non-infringement, error-free operation, or continuous availability.
8.2 Third-Party Disruptions: We are not liable for service interruptions caused by telecommunication outages, Cloudflare edge failures, power disruptions, or force majeure events.

9. Limitation of Liability

9.1 Exclusion of Consequential Damages: To the maximum extent permitted by law, in no event shall Shanghai Zhizhan Future Robotics Co., Ltd., its directors, employees, or licensors be liable for any indirect, incidental, special, punitive, or consequential damages (including lost profits, lost data, or business interruption), regardless of the theory of liability.
9.2 Liability Cap: In all events, the total cumulative liability of the company arising out of or relating to the Service shall not exceed the total amount actually paid by you to 3devotion during the twelve (12) months preceding the claim, or one hundred US dollars ($100 USD / equivalent RMB 500) if you are on the free tier.

10. Indemnification

You agree to defend, indemnify, and hold harmless Shanghai Zhizhan Future Robotics Co., Ltd. from and against any claims, liabilities, damages, and expenses (including reasonable attorneys' fees) arising out of your violation of these Terms or infringement of third-party rights.

11. Suspension and Termination

We reserve the right to suspend or terminate your account or API access immediately and without prior notice in the event of any breach of these Terms or the Acceptable Use Policy, without refund of prepaid fees.

12. Governing Law and Dispute Resolution

12.1 Governing Law: These Terms shall be governed by and construed in accordance with the laws of the People's Republic of China (excluding conflict of laws principles).
12.2 Exclusive Jurisdiction: Any dispute arising out of or in connection with these Terms shall first be resolved through friendly negotiations. If negotiations fail, the dispute shall be submitted to the exclusive jurisdiction of the competent People's Court where Shanghai Zhizhan Future Robotics Co., Ltd. is located .

13. Modifications

We may modify these Terms at any time by publishing updated versions on the website. Your continued use of the Service following such revisions constitutes binding acceptance.

14. Miscellaneous

If any provision of these Terms is deemed invalid or unenforceable, the remaining provisions will continue in full force and effect. These Terms constitute the entire agreement between the parties concerning the Service.