*{box-sizing:border-box}body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#1d1f23;background:#fafaf8}
header,main,footer{max-width:760px;margin:0 auto;padding:0 20px}header{display:flex;align-items:center;gap:10px;padding-top:24px}header img{width:36px;height:36px;border-radius:8px}header a{color:inherit;text-decoration:none;font-weight:600}
nav{margin-left:auto;display:flex;gap:18px;font-size:15px}nav a{font-weight:400;color:#555}
h1{font-size:34px;line-height:1.2;margin:56px 0 12px}h2{font-size:20px;margin:36px 0 8px}p,li{color:#33363b}
.btn{display:inline-block;background:#1d1f23;color:#fff;padding:12px 20px;border-radius:8px;text-decoration:none;font-weight:600;margin:16px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:28px}.card{background:#fff;border:1px solid #e6e4df;border-radius:10px;padding:16px}.card h3{margin:0 0 6px;font-size:16px}.card p{margin:0;font-size:15px}
code{background:#efeee9;padding:1px 6px;border-radius:4px}footer{padding:48px 20px 32px;font-size:14px;color:#777}footer a{color:#777}