:root{--bg: #f5f2ed;--surface: #fffdf9;--surface-soft: #f9f6f1;--text: #2e2925;--muted: #706861;--faint: #a49b92;--border: #e4ddd4;--border-strong: #d8cec3;--primary: #c96f50;--primary-deep: #a94f34;--primary-soft: #f6e4dc;--green: #547c68;--green-soft: #e5efe9;--gold: #ad7a42;--gold-soft: #f5ecdf;--blue: #66849a;--blue-soft: #e8f0f4;--serif: Iowan Old Style, Baskerville, Charter, Georgia, "Songti SC", "STSong", serif;--sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, 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