.tj-siteos-install-banner {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 2147483000;
  width: min(360px, calc(100vw - 36px));
  padding: 14px;
  border: 1px solid rgba(40, 112, 145, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: #102033;
  box-shadow: 0 22px 60px rgba(30, 67, 92, 0.18);
  font: 14px/1.45 Inter, Segoe UI, Arial, sans-serif;
  backdrop-filter: blur(16px);
}
.tj-siteos-install-banner strong { display: block; font-size: 14px; margin-bottom: 5px; }
.tj-siteos-install-banner p { margin: 0 0 10px; color: #526b7d; }
.tj-siteos-install-banner nav { display: flex; flex-wrap: wrap; gap: 8px; }
.tj-siteos-install-banner a,
.tj-siteos-install-banner button {
  border: 1px solid rgba(36, 118, 216, 0.24);
  border-radius: 999px;
  padding: 7px 10px;
  background: #fff;
  color: #174f8f;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}
.tj-siteos-install-banner a.primary {
  border-color: #2476d8;
  background: linear-gradient(135deg, #1b83e6, #13a7c4);
  color: #fff;
}
@media (max-width: 720px) {
  .tj-siteos-install-banner { left: 12px; right: 12px; bottom: 12px; width: auto; }
}