:root{color-scheme:light dark;--paper:#f6f6f6;--ink:#1c1c1c;--muted:#606060;--line:#dddddd;--accent:#222222}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.85 system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}main,header,footer{max-width:850px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}header a{font-weight:700}nav{display:flex;gap:22px}a{color:var(--accent);text-underline-offset:4px}h1{font-size:clamp(36px,6vw,54px);letter-spacing:-.04em;line-height:1.2;margin:22px 0}h2{font-size:24px;margin-top:36px}p{max-width:690px}.eyebrow{color:var(--accent);letter-spacing:.12em;font-size:13px;font-weight:700}.intro{font-size:20px;color:var(--muted)}.draft{border-left:4px solid #bd7c1b;background:#fff0d2;color:#5f3a0d;padding:12px 18px;margin:20px 0}.brand{display:flex;gap:12px;align-items:center}.brand img{width:44px;height:44px;border-radius:10px}details{border-top:1px solid var(--line);padding:18px 0}summary{font-weight:650;cursor:pointer}footer{font-size:14px;color:var(--muted);border-top:1px solid var(--line)}li{margin:10px 0}@media(prefers-color-scheme:dark){:root{--paper:#111111;--ink:#f3f3f3;--muted:#bdbdbd;--line:#383838;--accent:#eeeeee}.draft{background:#42351d;color:#ffe3a8}}@media(max-width:480px){header{align-items:flex-start;flex-direction:column;gap:12px}}