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DeepSeek Harness 换肤系统：21 套内置皮肤 + 一张图生成整套配色的自定义皮肤。数据源驱动，保对比度推导，构建期校验可读性。

Customize the visible DSH Web thinking status with lifecycle-safe CSS.

Windows XP Luna desktop theme for the DeepSeek Harness web GUI: multi-window desktop, XP chrome, taskbar, Bliss wallpaper.