.notebook-ribbon {
  margin: 0.85rem 0 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid #d7e3f3;
  border-radius: 0.85rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.notebook-ribbon-item {
  flex: 1 1 160px;
  min-width: 150px;
}

.notebook-ribbon-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1e3a8a;
}

.notebook-ribbon-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
}

.notebook-ribbon-note {
  font-size: 0.82rem;
  color: #475569;
}

.notebook-jump-nav {
  margin: 0.95rem 0 0.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.notebook-jump-link {
  display: inline-block;
  padding: 0.38rem 0.7rem;
  border: 1px solid #c9d8ef;
  border-radius: 999px;
  background: #f8fbff;
  color: #1d4ed8;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
}

.notebook-jump-link:hover {
  background: #eef5ff;
}