:root{--bg:#f6f7fb;--card:#fff;--ink:#14181f;--muted:#5b6470;--line:#e3e6ee;--navy:#1a3560;--accent:#e0482b}
@media (prefers-color-scheme:dark){:root{--bg:#0d1420;--card:#152033;--ink:#e8ecf3;--muted:#9aa6b8;--line:#24324a;--navy:#cfe0ff;--accent:#f4744a}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
main{max-width:720px;margin:0 auto;padding:40px 16px 64px}
header{display:flex;align-items:center;gap:14px;margin-bottom:28px}header svg{width:52px;height:52px;flex:none}
header a{display:flex;align-items:center;gap:14px;color:inherit;text-decoration:none}
.word{font-size:28px;font-weight:700;letter-spacing:-.01em;color:var(--navy)}
h1{font-size:30px;line-height:1.2;margin:0 0 8px}h2{font-size:20px;margin:32px 0 6px}
p,li{color:var(--ink)}.lead{font-size:19px;color:var(--muted)}.small{font-size:14px;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:22px 0}
ul{padding-left:22px}li{margin:4px 0}a{color:var(--accent)}
footer{margin-top:48px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}footer a{margin-right:16px}
.card h2.first{margin-top:0}