:root{--color-ink: #18212b;--color-muted: #65717e;--color-subtle: #8a949f;--color-canvas: #f4f6f7;--color-surface: #ffffff;--color-line: #d9dfe2;--color-line-strong: #bbc5ca;--color-brand-panel: #101820;--color-brand-panel-soft: #17232d;--color-brand-text: #f6f8f5;--color-brand-muted: #aab7bd;--color-accent: #1f806e;--color-accent-strong: #146554;--color-accent-soft: #e6f4ef;--color-signal: #e0b52f;--color-warning: #8a6810;--color-warning-soft: #fff7d6;--color-danger: #b43b43;--color-danger-soft: #fbeded;--color-success: #26745d;--color-success-soft: #e8f4ef;--radius-control: 6px;--radius-panel: 8px;--shadow-panel: 0 18px 48px rgba(18, 31, 38, .11);--font-sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "Cascadia Mono", "Microsoft YaHei", Consolas, 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