:root{--ink:#16181D;--muted:#5D6470;--line:#E4E6EB;--indigo:#3730A3;--soft:#EEF0FB}
*{box-sizing:border-box}
html,body{margin:0;background:#fff;color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--indigo)}
header{border-bottom:1px solid var(--line)}
.bar{max-width:760px;margin:0 auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-weight:800;font-size:22px;letter-spacing:3px;color:var(--indigo);text-decoration:none}
nav a{color:var(--muted);text-decoration:none;font-size:15px;margin-left:16px}
nav a:hover{color:var(--ink)}
main{max-width:760px;margin:0 auto;padding:28px 20px 56px}
h1{font-size:34px;line-height:1.15;margin:8px 0 12px;letter-spacing:-.5px}
h2{font-size:21px;margin:34px 0 8px}
h3{font-size:17px;margin:22px 0 4px}
.lead{font-size:19px;color:var(--muted);margin:0 0 22px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin:22px 0}
.card{background:var(--soft);border-radius:14px;padding:16px 18px}
.card b{display:block;margin-bottom:4px}
.card span{color:var(--muted);font-size:15px}
.note{border-left:4px solid var(--indigo);background:#F8F8FD;padding:12px 16px;border-radius:0 10px 10px 0;margin:22px 0}
ul{padding-left:22px}
li{margin:4px 0}
.updated{color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}
footer .bar{flex-wrap:wrap}
footer a{color:var(--muted)}