:root {
  --cs-theme: #1f2937;
  --cs-accent: #2563eb;
  --cs-bg-soft: #f8fafc;
}

.contract-brand-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--cs-theme);
  color: #fff;
  padding: 0.65rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.92rem;
}

.contract-brand-header a {
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
}

.contract-brand-footer {
  margin-top: 2rem;
  padding: 0.85rem 1rem;
  border-top: 2px solid var(--cs-accent);
  color: #475569;
  font-size: 0.82rem;
  background: var(--cs-bg-soft);
}

.comment-highlight {
  background: #fff2b3;
  border-bottom: 2px dashed #f59e0b;
}