:root{--ink:#22302a;--ink2:#5a6158;--paper:#fbf6ec;--sea:#1f78a0;--line:#e6dcc8}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 20px 80px}
header{display:flex;align-items:center;gap:14px;margin-bottom:24px}
header img{width:64px;height:64px;border-radius:16px}
h1{font-size:30px;line-height:1.15;margin:0}
h2{font-size:20px;margin:30px 0 8px}
p,li{color:var(--ink)}
.muted{color:var(--ink2);font-size:14px}
a{color:var(--sea)}
nav{display:flex;gap:16px;flex-wrap:wrap;margin:6px 0 28px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:16px 0}
hr{border:0;border-top:1px solid var(--line);margin:40px 0}