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Steam 账户管理 (Steam Multi-Login Manager) 是一款专为 Steam 硬核玩家、交易者设计的 Firefox 扩展，旨在解决网页端无法同时登录多个账号的痛点。

核心技术原理： 本扩展并非简单的 Cookie 切换器。它深度集成了 Mozilla Firefox 的 Contextual Identities（容器/情境身份） API。

原理：普通浏览器中，所有标签页共享同一个 Cookie 存储池。而本扩展能指挥 Firefox 为每一个 Steam 账号创建一个完全隔离的“容器”。

效果：账号 A 和账号 B 的 Cookie、缓存和本地存储数据被物理隔绝。这意味着您可以像使用多台不同的电脑一样，在同一个浏览器窗口中同时保持多个 Steam 账号在线，互不干扰。


功能亮点：

🚀 真正的并行多开：利用原生容器技术，告别反复登入登出。所有账号同时在线，一键直达。

🛡️ 零凭证接触：本扩展仅负责创建隔离环境，绝不读取、记录或保存您的 Steam 账号和密码。所有的登录操作均在 Steam 官方页面直接进行，与普通浏览器登录无异。

🔒 本地隐私锁：内置安全锁屏功能（支持 PIN/密码）。防止他人窥探您的账号列表和备注信息。

📝 备注系统：支持添加超长备注（如余额、密钥），并通过可滚动的悬浮窗查看。

🎨 Steam 沉浸式体验：精心打磨的暗色系 UI，完美契合 Steam 客户端视觉风格。

👆 自由拖拽排序：支持拖拽账号卡片调整顺序，高效管理您的资产列表。


隐私与安全承诺：

官方技术背书：基于 Firefox 官方 API 开发，稳定且合规。

数据本地化：所有扩展数据（如备注、排序设置）仅存储在您的本地浏览器 (browser.storage.local)，绝不上传至任何远程服务器。


免责声明：本扩展与 Valve 或 Steam 无附属关系。

Steam Account Manager is a professional extension designed for hardcore gamers and traders who need to manage multiple Steam accounts simultaneously.

How It Works (The Technology): Unlike basic cookie-swapping scripts, this extension is built on top of Mozilla Firefox's robust Contextual Identities (Container) API.

The Mechanism: Standard browsers share a single "cookie jar". This extension instructs Firefox to create a separate, isolated container for each of your Steam accounts.

The Result: Cookies and cache are physically segregated. This allows you to stay logged into multiple Steam accounts in the same window at the same time, without conflicts—just like using separate computers.


Key Features:

🚀 True Simultaneous Logins: Leveraging native container tech, your sessions persist independently. No more logging in and out.

🛡️ Zero Credential Access: This extension manages container isolation only. It NEVER reads, records, or stores your Steam username or password. All login actions happen directly on the official Steam pages.

🔒 Privacy Lock: Secure your account list with a local PIN/Password. Protect your assets from prying eyes on shared computers.

📝 Advanced Note System: Add detailed notes (e.g., balance, keys) and view them via a scrollable tooltip without cluttering the UI.

🎨 Native Dark Theme: Meticulously designed interface that seamlessly blends with the Steam client's aesthetic.

👆 Drag & Drop Sorting: Easily organize your account list by dragging cards to your preferred order.


Privacy & Security:

Native API: Built strictly on official Firefox APIs for maximum stability.

Local Storage Only: All extension data is stored locally within your browser (browser.storage.local) and is NEVER uploaded to any external server.


Disclaimer: This extension is not affiliated with Valve or Steam.