:root{font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#203c35;background:#f4f5f0;font-synthesis:none;--bg:#f4f5f0;--surface:#fff;--ink:#203c35;--muted:#6c7973;--line:#dfe5dc;--accent:#176d53;--ai:#d4651a;--taken-fill:#8a9390;--shadow:0 8px 28px #163b3014;--chrome:72px;--dock:92px;color-scheme:light}:root[data-theme=dark]{--bg:#101c19;--surface:#1c2b26;--ink:#e7eee7;--muted:#a6b7ad;--line:#374a40;--accent:#8fdbb5;--ai:#ffb067;color-scheme:dark}@media(prefers-color-scheme:dark){:root[data-theme=system]{--bg:#101c19;--surface:#1c2b26;--ink:#e7eee7;--muted:#a6b7ad;--line:#374a40;--accent:#8fdbb5;--ai:#ffb067;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink)}button{font:inherit;cursor:pointer;color:inherit;border:1px solid var(--line);background:var(--surface);border-radius:10px;min-height:44px;padding:8px 12px;touch-action:manipulation}button:hover{border-color:var(--accent)}button:focus-visible{outline:3px solid 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