body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #1f2933;
  background: #ffffff;
}

.portal-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 12px 24px;
  border-bottom: 1px solid #e4e7eb;
}

.portal-brand {
  font-size: 18px;
  font-weight: 600;
  color: #1f2933;
  text-decoration: none;
}

.portal-brand span {
  font-weight: 400;
  color: #52606d;
}

.portal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.portal-links a,
.portal-noscript a,
.portal-404 a {
  color: #1d4ed8;
}

.portal-banner {
  margin: 0;
  padding: 10px 24px;
  background: #fff7e6;
  border-bottom: 1px solid #f5d38f;
  font-size: 14px;
}

.portal-noscript,
.portal-404 {
  max-width: 720px;
  margin: 32px auto;
  padding: 0 24px;
  line-height: 1.5;
}