:root{color-scheme:light;--ink:#192331;--muted:#536274;--line:#dce4ec;--accent:#1d53d6}*{box-sizing:border-box}body{margin:0;background:#f6f8fb;color:var(--ink);font:17px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header,main,footer{max-width:920px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:16px}.brand{font-weight:800;font-size:22px;color:var(--ink);text-decoration:none}nav{display:flex;gap:20px}a{color:var(--accent);text-underline-offset:4px}article{background:white;border:1px solid var(--line);border-radius:24px;padding:40px}h1{font-size:42px;line-height:1.2;letter-spacing:-.035em;margin:12px 0 22px}h2{font-size:24px;line-height:1.4;margin:34px 0 12px}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--muted)}.lead{font-size:20px;color:var(--muted)}.button{display:inline-block;padding:12px 20px;border-radius:12px;background:var(--accent);color:white;font-weight:650;text-decoration:none}.notice{background:#eff4ff;border-left:3px solid #3064dd;padding:16px 20px;margin:24px 0}.meta,footer{font-size:14px;color:var(--muted)}li{padding-left:4px;margin:10px 0}code{font-size:12px;overflow-wrap:anywhere}.steps{padding-left:24px}.links{display:flex;gap:18px;flex-wrap:wrap}a:focus-visible{outline:3px solid #e49e28;outline-offset:4px}@media(max-width:600px){header,main,footer{padding:18px}article{padding:24px}h1{font-size:34px}nav{gap:12px;font-size:15px}.lead{font-size:18px}}