:root{color-scheme:light dark;--bg:#f4f5f7;--ink:#172d46;--card:#fff;--muted:#526171;--accent:#236aa6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 system-ui,sans-serif}main{max-width:860px;margin:40px auto;padding:32px;background:var(--card);border-radius:20px}nav,footer{display:flex;gap:20px;flex-wrap:wrap}a{color:var(--accent);overflow-wrap:anywhere}h1{font-size:2.3rem;letter-spacing:-.04em;line-height:1.2}h2{margin-top:2rem;font-size:1.3rem}small,.muted{color:var(--muted)}.badge{font-weight:700;letter-spacing:.12em;font-size:.8rem;color:var(--accent)}footer{border-top:1px solid #a8b3c155;padding-top:24px;margin-top:32px}@media(max-width:600px){main{margin:12px;padding:24px}h1{font-size:2rem}}@media(prefers-color-scheme:dark){:root{--bg:#101922;--ink:#e0eaf5;--card:#192735;--muted:#afbdcb;--accent:#8ecaff}}