:root{--font-family-sans: "Avenir Next", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;--font-family-mono: "JetBrains Mono", "SFMono-Regular", "Consolas", monospace;--primary-color: #1f6f5f;--primary-color-hover: #18594d;--primary-color-soft: #e8f2ef;--accent-color: #b7791f;--success-color: #17804f;--warning-color: #b7791f;--danger-color: #c24132;--danger-color-soft: #fff1ed;--background-color: #f7f5ef;--surface-color: #ffffff;--surface-muted: #fbfaf6;--text-primary: #17201d;--text-secondary: #60706b;--text-tertiary: #9aa6a2;--border-color: #ded8cc;--border-strong: #c9c0b2;--input-background: #fffefa;--shadow-sm: 0 1px 2px rgba(23, 32, 29, .06);--shadow-md: 0 12px 30px rgba(52, 46, 34, .09);--shadow-lg: 0 24px 60px rgba(52, 46, 34, .16);--shadow-focus: 0 0 0 4px rgba(31, 111, 95, .14);--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 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