:root{color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:#0d1620;color:#f1f6fa;font:16px/1.7 system-ui,-apple-system,sans-serif}a{color:#91ddcc}header,main,footer{max-width:920px;margin:auto;padding:28px}header,footer{display:flex;justify-content:space-between;gap:20px;align-items:center}header{border-bottom:1px solid #344554}footer{border-top:1px solid #344554;font-size:13px;color:#a5b7c5}.logo{font-weight:750;font-size:21px;text-decoration:none;color:#f1f6fa}nav{display:flex;gap:20px}nav a{color:#a5b7c5;text-decoration:none}main{padding-top:65px;padding-bottom:80px}.tag{color:#91ddcc;letter-spacing:.16em;font-size:12px;font-weight:700}h1{font-size:clamp(38px,6vw,66px);line-height:1.13;letter-spacing:-.04em;margin:18px 0}h2{font-size:23px;margin-top:30px}p{color:#b5c4d0;max-width:760px}.lead{font-size:20px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:45px 0}.cards article,.notice{background:#182634;border:1px solid #344554;border-radius:12px;padding:22px}.cards article h2{margin-top:0}.notice{margin-top:35px}code{color:#91ddcc;overflow-wrap:anywhere}@media(max-width:650px){.cards{grid-template-columns:1fr}header,footer{flex-wrap:wrap}}