:root{color-scheme:light dark;--bg:#f5f7fb;--surface:#fff;--text:#172333;--muted:#506174;--link:#2e7d32;--line:#dce3ec}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header{max-width:1000px;margin:auto;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:24px}a{color:var(--link);text-underline-offset:.2em;overflow-wrap:anywhere}a:focus-visible{outline:3px solid var(--link);outline-offset:5px;border-radius:2px}.brand{font-weight:800;font-size:24px;text-decoration:none;color:var(--text)}nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 24px}nav a,.brand{overflow-wrap:normal;white-space:nowrap}main{max-width:840px;margin:8px auto 64px;padding:48px;background:var(--surface);border:1px solid var(--line);border-radius:20px}h1{font-size:clamp(30px,6vw,46px);line-height:1.15;letter-spacing:-.025em;margin:0 0 16px}h2{font-size:24px;line-height:1.3;margin:36px 0 16px}p{margin:0 0 18px;overflow-wrap:anywhere}.version{color:var(--muted);font-size:14px;margin-bottom:36px}footer{border-top:1px solid var(--line);margin-top:40px;padding-top:24px;display:flex;flex-wrap:wrap;gap:20px;font-size:14px}@media(max-width:600px){header{padding:20px}nav{gap:8px 16px}main{border-radius:0;border-left:0;border-right:0;padding:28px 20px;margin:0 auto 32px}h2{font-size:22px}}@media(prefers-color-scheme:dark){:root{--bg:#0c1523;--surface:#152235;--text:#e7eef8;--muted:#a7b8cb;--link:#98d99d;--line:#2e4056}}@media print{body,main{background:#fff;color:#000}main{border:0;margin:0;padding:0}header,footer{display:none}a{color:inherit}}