字体授权说明

本平台在界面展示及宣传物料中使用的字体均已取得合法授权，或遵循其官方免费商用许可协议。具体如下：

1. MiSans（小米）

MiSans 为小米科技有限责任公司推出的字体，遵循小米官方 MiSans 字体授权协议，允许免费商用；但未经许可，不得单独销售字体文件、不得对字体文件进行修改后重新分发。

版权归属：小米科技有限责任公司（Xiaomi Corporation）

官方授权页面：https://hyperos.mi.com/font

2. OPPO Sans（OPPO）

OPPO Sans 为 OPPO 广东移动通信有限公司推出的字体，遵循 OPPO 官方字体许可协议，允许免费商用；未经许可，不得单独销售字体文件、不得对字体文件进行修改后重新分发。具体许可条款以官方下载页及字体包内附带协议为准。

版权归属：OPPO 广东移动通信有限公司（OPPO Guangdong Mobile Telecommunications Co., Ltd.）

官方页面：https://www.oppo.com/cn/ （官网搜索“OPPO Sans”获取字体及授权信息）

3. HarmonyOS Sans（华为）

HarmonyOS Sans 为华为技术有限公司推出的字体，遵循华为开发者官网发布的字体授权说明，允许免费商用。

版权归属：华为技术有限公司（Huawei Technologies Co., Ltd.）

官方授权页面：https://developer.huawei.com/consumer/cn/design/resource/

除上述三款中文字体外，本平台其余字体均为操作系统默认字体（如苹方 PingFang SC、微软雅黑 Microsoft YaHei、思源黑体 Source Han Sans 等）。本平台仅通过 CSS 字体族名称引用上述系统默认字体，未通过 @font-face 方式嵌入或分发字体文件，亦未对字体文件进行任何修改或重新分发。

上述字体用于本平台网页界面、移动端界面、宣传推广材料及其他与平台运营相关的合法场景。未经许可，不单独销售、不修改后重新分发任何字体文件。

Font License Statement (English Version)

The fonts used in the interface and promotional materials of this platform have been legally licensed or comply with their official free commercial use licenses, as follows:

1. MiSans (Xiaomi)

MiSans is a typeface released by Xiaomi Corporation, licensed under Xiaomi's official MiSans font license agreement, which permits free commercial use; provided that the font files shall not be sold separately, modified, or redistributed without permission.

Official license page: https://hyperos.mi.com/font

2. OPPO Sans (OPPO)

OPPO Sans is a typeface released by OPPO Guangdong Mobile Telecommunications Co., Ltd., licensed under OPPO's official font license agreement, which permits free commercial use; provided that the font files shall not be sold separately, modified, or redistributed without permission. The specific terms are subject to the official download page and the license enclosed in the font package.

Official page: https://www.oppo.com/cn/ (search for "OPPO Sans" on the official website)

3. HarmonyOS Sans (Huawei)

HarmonyOS Sans is a typeface released by Huawei Technologies Co., Ltd., licensed under the font authorization statement published on Huawei Developer website, which permits free commercial use.

Official license page: https://developer.huawei.com/consumer/cn/design/resource/

Except for the three Chinese typefaces above, all other fonts used on this platform are operating system default fonts (such as PingFang SC, Microsoft YaHei, Source Han Sans, etc.). These default fonts are referenced only via CSS font-family names and are not embedded or distributed through @font-face, nor are the font files modified or redistributed in any way.

The fonts above are used for this platform's web interface, mobile interface, promotional materials, and other legitimate scenarios related to the operation of the platform. No font file is sold separately, modified, or redistributed without permission.