.hk-onb-error-banner {
  background: #fdecea;
  border: 1px solid #e33b26;
  border-left: 6px solid #e33b26;
  color: #4a1210;
  padding: 14px 16px;
  border-radius: 10px;
  margin: 0 0 18px 0;
  font-size: 14px;
  line-height: 1.4;
  box-shadow: 0 2px 8px rgba(227, 59, 38, 0.08);
}

.hk-onb-error-banner__title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  color: #b11d0f;
}

.hk-onb-error-banner__intro {
  margin: 0 0 6px 0;
}

.hk-onb-error-banner__list {
  margin: 6px 0 0 0;
  padding-left: 20px;
}

.hk-onb-error-banner__list li {
  margin: 2px 0;
}

.hk-onb-field-invalid,
.hk-onb-field-invalid:focus,
.hk-onb-field-invalid:focus-visible {
  border-color: #e33b26 !important;
  box-shadow: 0 0 0 2px rgba(227, 59, 38, 0.18) !important;
}

.hk-onb-country-hint {
  margin-top: 6px;
  font-size: 12px;
  color: #555;
  font-style: italic;
}