:root{--bg:#f3f6f5;--paper:#fff;--ink:#1c3434;--accent:#14695e;--muted:#526a67;--line:#d8e2df;--error:#a23d35;--radius:20px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:PingFang SC,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}button,select,textarea{font:inherit}button{cursor:pointer;border:0;transition:background .16s,color .16s,opacity .16s}button:disabled{cursor:not-allowed;opacity:.42}button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.emotion-control{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;margin-top:12px;color:var(--muted);font-size:12px}.emotion-control select{min-height:44px;padding:6px 10px;background:var(--paper);color:var(--ink);border:1px solid 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