*{box-sizing:border-box}body{margin:0;font:18px/1.6 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#1c2733;background:#f3f6fa;min-height:100vh;display:grid;place-items:center;padding:24px}
.box{max-width:640px;background:#fff;border:1px solid #e3e8ef;border-radius:10px;padding:clamp(22px,4vw,44px);box-shadow:0 10px 30px #0b1f3a14}
.eyebrow{color:#1a56db;font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:13px;margin:0}
h1{font-size:clamp(24px,3vw,32px);line-height:1.2;color:#0b1f3a;margin:.3em 0 .6em}
a{color:#1a56db}.go{display:inline-block;background:#1a56db;color:#fff;padding:12px 22px;border-radius:6px;text-decoration:none;font-weight:600;word-break:break-all}
.req{background:#f3f6fa;border-radius:6px;padding:8px 12px;font-size:15px;word-break:break-all}code{font-size:14px}.fine{font-size:14px;color:#5b6675;margin-top:1.6em}