.cc-update-banner {
  position: fixed;
  left: 50%;
  bottom: calc(88px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  z-index: 1900;
  width: min(calc(100% - 28px), 520px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(94,234,212,.28);
  border-radius: 16px;
  background: rgba(8,20,38,.97);
  color: #e6f8f5;
  box-shadow: 0 18px 45px rgba(0,0,0,.38);
  backdrop-filter: blur(18px);
}
.cc-update-banner button {
  border: 0;
  border-radius: 12px;
  padding: 9px 13px;
  background: #5eead4;
  color: #04131c;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
}