.edu-banner {
  position: sticky;
  top: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 16px;
  background: #111827;
  color: #f9fafb;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 13px;
  line-height: 1.35;
  text-align: center;
}

.edu-banner__mark {
  flex-shrink: 0;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f59e0b;
  color: #111;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.edu-banner__text strong {
  font-weight: 700;
}

@media (max-width: 640px) {
  .edu-banner {
    min-height: 64px;
    align-items: flex-start;
    padding-top: 10px;
  }
}