:root{--bg:#0b1220;--card:#0f1724;--accent:#007acc;--muted:#9aa8bf;--glass:rgba(255,255,255,0.04)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial;color:#e6eef8;background:linear-gradient(180deg,var(--bg),#071021);display:flex;align-items:center;justify-content:center;padding:32px}
.center{background:linear-gradient(180deg,var(--card),#08101a);padding:40px;border-radius:16px;max-width:720px;width:100%;text-align:center;box-shadow:0 10px 30px rgba(2,6,23,0.6);border:1px solid rgba(255,255,255,0.03)}
.logo{width:96px;height:96px;border-radius:12px;margin-bottom:18px;display:block;margin-left:auto;margin-right:auto}
h1{margin:6px 0 8px;font-size:28px}
.lead{color:var(--muted);margin:0 0 18px}
.info{margin-top:12px;color:var(--muted)}
footer{margin-top:20px;color:var(--muted);font-size:13px}
a{color:var(--accent);text-decoration:none}
@media (max-width:480px){.center{padding:24px;border-radius:12px}h1{font-size:22px}}