:root{--bg:#f5f5f7;--surface:#fff;--ink:#1d1d1f;--muted:#6e6e73;--line:#d2d2d7;--blue:#0066cc;--cyan:#00a2c7;--orange:#bf5b00;--green:#16784b;--red:#b42318;--shadow:0 18px 55px rgba(0,0,0,.08);--radius:28px}