.hosted-notice {
  margin: 0;
  padding: 0.55rem 1rem;
  background: #10233f;
  color: #f4f7fb;
  font: 500 0.85rem/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
  text-align: center;
}
.hosted-back {
  display: block;
  padding: 0.5rem 1rem;
  background: #DDEAF4;
  color: #123A63;
  font: 700 0.9rem/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
  text-align: center;
  text-decoration: none;
}
.hosted-back:hover { text-decoration: underline; }