:root{--font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;--font-mono:"SFMono-Regular","JetBrains Mono",Consolas,monospace;--canvas:#ffffff;--canvas-strong:#ffffff;--surface:#ffffff;--surface-strong:#ffffff;--surface-muted:#f4f6f5;--surface-dark:#171b19;--brand:#225f58;--brand-hover:#194b45;--control-height:44px;--control-height-compact:40px;--control-radius:6px;--brand-soft:#e8f1ed;--ink:#192622;--ink-soft:#34483e;--muted:#52625b;--muted-soft:#96a09a;--line:#d8dfda;--line-strong:#b9c6be;--accent:#225f58;--accent-soft:#e1f0ec;--accent-ink:#1e655d;--blue:#376d73;--blue-soft:#e5eff0;--cyan:#3f8f85;--cyan-soft:#e0f1ed;--spark:#bd8531;--spark-soft:#f8edd9;--coral:#e76f51;--coral-soft:#fff0e8;--rose:#d86a87;--warning:#8a5a00;--warning-soft:#fff3cf;--success:#246c5f;--success-soft:#e1f0eb;--danger:#b23b45;--danger-strong:#962d36;--danger-soft:#ffe6e9;--ring:#26766b;--ring-soft:rgba(38,118,107,0.18);--shadow-card:none;--shadow-button:none;--shadow-popover:0 28px 80px rgba(18,23,20,0.18);--content-max:1280px;--reader-content-max:1280px;--narrow-max:900px;--header-height:72px;--radius:6px}@media (max-width:1023px){:root{--header-height:56px;--control-height-compact:44px}}