*{box-sizing:border-box}body{margin:0;font:16px/1.65 -apple-system,
BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#1b1f23;
background:#fff}
header{background:#0f172a;color:#fff;padding:14px 20px}
header a{color:#fff;text-decoration:none;font-weight:600}
header .wrap{max-width:1080px;margin:0 auto;display:flex;gap:18px;
align-items:center;flex-wrap:wrap}
nav a{font-weight:400;opacity:.9;margin-right:14px;font-size:15px}
main{max-width:820px;margin:0 auto;padding:22px 20px 60px}
h1{font-size:30px;line-height:1.25;margin:.4em 0}
h2{font-size:21px;margin-top:1.6em}
h3{font-size:17px;margin:1.4em 0 .3em}
p{margin:.9em 0}
.meta{color:#6b7280;font-size:14px}
.ad{margin:26px 0;text-align:center;min-height:60px}
.ad-top{min-height:90px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
gap:16px;margin:20px 0}
.card{border:1px solid #e5e7eb;border-radius:10px;padding:14px}
.card a{color:#0b57d0;text-decoration:none;font-weight:600}
footer{border-top:1px solid #e5e7eb;padding:22px 20px;color:#6b7280;
font-size:14px}
footer a{color:#0b57d0;margin-right:12px}
.side{display:flex;gap:26px;align-items:flex-start}
.side .col{flex:1}
@media(max-width:700px){.side{flex-direction:column}}