.void-jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.void-jump-nav a {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  font-weight: 750;
  text-decoration: none;
}

.void-jump-nav a:hover {
  border-color: var(--accent);
  background: var(--panel-soft);
}

.void-article {
  scroll-margin-top: 24px;
}

.void-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.void-title-row h2 {
  margin: 0;
}

.void-hanzi {
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 700;
}

.void-keywords {
  margin: 16px 0 0;
  color: var(--accent-dark);
  font-size: 1.08rem;
  font-weight: 800;
}

.void-summary-grid,
.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.void-summary-grid > div,
.principle-grid > section {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fffaf2;
}

.void-summary-grid strong,
.principle-grid h3 {
  display: block;
  margin: 0 0 6px;
  color: var(--accent-dark);
}

.void-article h3 {
  margin: 26px 0 8px;
  font-size: 1.12rem;
}

.void-article ul {
  margin: 8px 0 0;
  padding-left: 22px;
}

.void-article li + li {
  margin-top: 7px;
}

.memory-line {
  margin-top: 22px !important;
  padding: 14px 18px;
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: var(--panel-soft);
  color: var(--accent-dark);
  font-size: 1.08rem;
}

.lesson-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.lesson-actions a {
  display: inline-flex;
  padding: 9px 15px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 750;
  text-decoration: none;
}

.comparison-wrap {
  overflow-x: auto;
  margin-top: 16px;
}

.comparison-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 12px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  background: var(--panel-soft);
  color: var(--accent-dark);
}

.scope-note {
  margin-top: 18px !important;
  padding: 16px;
  border: 1px dashed #b88b60;
  border-radius: 12px;
  background: #fffaf2;
}

@media (max-width: 680px) {
  .void-summary-grid,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .void-jump-nav {
    justify-content: center;
  }
}