*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#222;background:#fafafa}header,main,footer{max-width:760px;margin:0 auto;padding:16px 20px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5e5e5}.logo{font-weight:700;color:#1f5f7a;text-decoration:none}nav a{color:#444}h1{font-size:1.8em;line-height:1.25;margin:.8em 0 .4em}h2{margin-top:1.6em}.lead{font-size:1.1em;color:#444}.btn{display:inline-block;background:#1f5f7a;color:#fff;border:0;border-radius:6px;padding:12px 20px;font-size:1em;text-decoration:none;cursor:pointer}.steps li{margin-bottom:.6em}form{display:grid;gap:12px;background:#fff;border:1px solid #e5e5e5;border-radius:8px;padding:20px}label{display:grid;gap:4px;font-size:.95em}input,select,textarea{font:inherit;padding:10px;border:1px solid #ccc;border-radius:6px;width:100%}.cb{display:flex;gap:8px;align-items:flex-start}.cb input{width:auto;margin-top:5px}.hp{position:absolute;left:-9999px}.ok{background:#e8f5ec;border:1px solid #9cd3ab;padding:16px;border-radius:8px}footer{font-size:.85em;color:#666;border-top:1px solid #e5e5e5;margin-top:40px}footer a{color:#666}
.err{color:#a40000;background:#fdeaea;border:1px solid #e6a5a5;padding:10px;border-radius:6px;margin:0}[hidden]{display:none!important}
details{background:#fff;border:1px solid #e5e5e5;border-radius:6px;padding:10px 14px;margin:8px 0}summary{font-weight:600;cursor:pointer}
