全网首个中文字体专业知识包：可商用中文字体库（授权三级分类）、场景×气质选字矩阵、中英混排与排版规则。让 AI 选中文设计字体不再甩给你一堆 Inter / Chinese font selection agent skill: license-safe free commercial CJK fonts, scene-based selection matrix, CJK-Latin pairing rules. Works with Claude Code / Cursor / Kimi / Codex.