*{box-sizing:border-box}html,body{background:#061019;width:100%;height:100%;margin:0}.preview-shell{width:100%;height:100dvh;overflow:hidden}.preview-frame{background:#061019;border:0;width:100%;height:100%;display:block}.hub-shell{color:#eff8ff;background:radial-gradient(circle at 70% 20%,#075d92,#0000 38%),#061019;place-items:center;min-height:100dvh;padding:24px;font-family:Arial,sans-serif;display:grid}.hub-card{background:#04121cbd;border:1px solid #87cdff4d;border-radius:20px;width:min(100%,560px);padding:42px}.hub-kicker{color:#65d4ff;letter-spacing:.12em;font-size:12px;font-weight:700}.hub-card h1{margin:12px 0;font-size:clamp(36px,6vw,58px);line-height:.95}.hub-card p{color:#b8d2e0}.hub-links{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.hub-card a{color:#fff;background:linear-gradient(110deg,#00a8ef,#005bff);border-radius:10px;padding:14px 18px;font-weight:700;text-decoration:none;display:inline-block}