:root{--bg:#faf9f6;--bg-elev:#ffffff;--bg-sunk:#f2f0ea;--line:#e4e1d9;--line-strong:#cfcbc0;--ink:#1b1a17;--ink-2:#5c5a53;--ink-3:#8d8a81;--accent:#1f6b57;--accent-ink:#ffffff;--accent-soft:#e7f1ed;--danger:#a4402f;--radius:14px;--radius-sm:9px;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Roboto,Helvetica,Arial,sans-serif;--serif:ui-serif,Georgia,"Songti SC","Noto Serif SC","Source Han Serif SC",serif;--mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;color-scheme:light}@media 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