body{margin:0;background:#f5f4ef;color:#233b30;font:16px/1.7 system-ui,sans-serif}main{max-width:850px;margin:40px auto;padding:36px;background:white;border:1px solid #e0e5da;border-radius:12px}h1{font-size:36px;line-height:1.2}h2{font-size:22px;margin-top:32px}a{color:#285d43}aside{padding:16px;background:#fff1e5;border-left:3px solid #e78135}@media(max-width:600px){main{margin:12px;padding:22px}h1{font-size:28px}}