body{margin:0;min-height:100vh;display:grid;place-items:center;background:#0b1220;color:#eaf1ff;font:16px/1.8 system-ui,sans-serif}.card{max-width:640px;padding:56px 36px}.tag{color:#6ee7b7;font-size:14px;letter-spacing:.1em}h1{font-size:clamp(32px,6vw,52px);line-height:1.2;margin:22px 0}p{color:#aebed5}.domain{display:inline-block;border:1px solid #2d405b;border-radius:12px;padding:12px 20px;margin-top:20px;color:#eaf1ff}