.page-glossary {
  --g-anchor-col: 190px;
  --g-sticky-top: calc(var(--space-8) + var(--space-1));
}

/* ---------- 首屏 ---------- */
.page-glossary .g-hero {
  position: relative;
  isolation: isolate;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: calc(var(--space-8) + var(--space-6)) var(--space-8);
  overflow: hidden;
}

.page-glossary .g-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset-block-start: -22%;
  inset-inline-end: -16%;
  width: min(46%, 620px);
  aspect-ratio: 1 / 1;
  background: var(--color-primary);
  opacity: 0.22;
  transform: skewY(-10deg) rotate(-7deg);
  pointer-events: none;
}

.page-glossary .g-hero__inner {
  display: grid;
  gap: var(--space-6);
}

.page-glossary .g-hero__title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  text-wrap: balance;
}

.page-glossary .g-hero__lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-glossary .g-hero__hint {
  margin: var(--space-3) 0 0;
  padding-inline-start: var(--space-2);
  border-inline-start: var(--border-thick) solid var(--color-contrast-accent);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-glossary .g-hero__side {
  display: grid;
  gap: var(--space-4);
}

.page-glossary .g-hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-4);
}

.page-glossary .g-fig {
  padding-block-start: var(--space-2);
  border-block-start: var(--border-thick) solid var(--color-contrast-line);
}

.page-glossary .g-fig:first-child,
.page-glossary .g-fig:nth-child(2) {
  border-block-start-color: var(--color-contrast-accent);
}

.page-glossary .g-fig__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-contrast-accent);
}

.page-glossary .g-fig__unit {
  display: block;
  margin-block-start: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-glossary .g-hero__img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  object-fit: cover;
}

/* ---------- 词条区骨架 ---------- */
.page-glossary .g-terms {
  background: var(--color-surface);
  padding-block: var(--section-y);
}

.page-glossary .g-terms__inner {
  display: grid;
  gap: var(--space-6);
}

/* ---------- 左侧锚点 ---------- */
.page-glossary .g-anchors {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  background: var(--color-surface-alt);
}

.page-glossary .g-anchors__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-glossary .g-anchors__list {
  display: flex;
  gap: var(--space-1);
  margin: var(--space-2) 0 0;
  padding: 0 0 var(--space-1);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-glossary .g-anchors__link {
  display: block;
  white-space: nowrap;
  padding: calc(var(--space-1) / 2) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-glossary .g-anchors__link:hover,
.page-glossary .g-anchors__link:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

/* ---------- 分组 ---------- */
.page-glossary .g-groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  min-width: 0;
}

.page-glossary .g-group {
  display: grid;
  gap: var(--space-4);
  padding-block-start: var(--space-6);
  border-block-start: var(--border-thin) solid var(--color-line);
  scroll-margin-block-start: var(--g-sticky-top);
}

.page-glossary .g-group__head {
  display: grid;
  gap: var(--space-2);
}

.page-glossary .g-group__no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-glossary .g-group__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-glossary .g-group__desc {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-glossary .g-group:target .g-group__title {
  color: var(--color-primary);
}

.page-glossary .g-group__entries {
  display: grid;
  gap: var(--space-3);
}

/* ---------- 词条 ---------- */
.page-glossary .g-entry {
  display: flow-root;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-glossary .g-entry:hover {
  border-color: var(--color-accent);
  transform: translateX(2px);
}

.page-glossary .g-entry__term {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-glossary .g-entry__def {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-glossary .g-entry__note {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-glossary .g-entry__k {
  display: inline-block;
  margin-inline-end: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-glossary .g-entry__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: var(--space-3) 0 0;
}

.page-glossary .g-entry__link {
  display: inline-block;
  padding: calc(var(--space-1) / 2) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-glossary .g-entry__link:hover,
.page-glossary .g-entry__link:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---------- 深色分组 ---------- */
.page-glossary .g-group--deep {
  padding: var(--space-6) var(--space-4);
  border-block-start: 0;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-glossary .g-group--deep .g-group__no {
  color: var(--color-contrast-accent);
}

.page-glossary .g-group--deep .g-group__title {
  color: var(--color-contrast-ink);
}

.page-glossary .g-group--deep .g-group__desc {
  color: var(--color-contrast-ink);
  opacity: 0.76;
}

.page-glossary .g-group--deep .g-entry {
  background: transparent;
  border-color: var(--color-contrast-line);
}

.page-glossary .g-group--deep .g-entry:hover {
  border-color: var(--color-contrast-accent);
}

.page-glossary .g-group--deep .g-entry__term,
.page-glossary .g-group--deep .g-entry__def {
  color: var(--color-contrast-ink);
}

.page-glossary .g-group--deep .g-entry__note {
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-glossary .g-group--deep .g-entry__k {
  color: var(--color-contrast-accent);
}

.page-glossary .g-group--deep .g-group__title,
.page-glossary .g-group--deep .g-entry__term {
  color: var(--color-contrast-ink);
}

/* ---------- 中部对照图 ---------- */
.page-glossary .g-figure {
  margin: 0;
}

.page-glossary .g-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.page-glossary .g-figure__cap {
  margin-block-start: var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 收尾出口 ---------- */
.page-glossary .g-outro {
  background: var(--color-surface-alt);
  padding-block: var(--section-y-lg);
}

.page-glossary .g-outro__inner {
  display: grid;
  gap: var(--space-3);
}

.page-glossary .g-outro__title {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-glossary .g-outro__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-glossary .g-outro__text a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 3px;
}

.page-glossary .g-outro__text a:hover,
.page-glossary .g-outro__text a:focus-visible {
  color: var(--color-accent);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-glossary .g-hero__figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-glossary .g-hero {
    padding-block: calc(var(--space-8) + var(--space-8)) var(--section-y);
  }

  .page-glossary .g-hero__inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-6) var(--gutter);
  }

  .page-glossary .g-hero__head {
    grid-column: 1 / -1;
  }

  .page-glossary .g-hero__lead {
    grid-column: 1 / 6;
    align-self: end;
  }

  .page-glossary .g-hero__side {
    grid-column: 6 / -1;
  }

  .page-glossary .g-hero__figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-glossary .g-group__entries {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-flow: row dense;
    gap: var(--space-4) var(--gutter);
  }

  .page-glossary .g-entry--wide { grid-column: span 12; }
  .page-glossary .g-entry--mid  { grid-column: span 7; }
  .page-glossary .g-entry--slim { grid-column: span 5; }

  .page-glossary .g-entry--mid {
    padding: var(--space-4);
  }

  .page-glossary .g-group--deep {
    padding: var(--space-8) var(--space-6);
  }
}

@media (min-width: 1024px) {
  .page-glossary .g-terms__inner {
    grid-template-columns: var(--g-anchor-col) minmax(0, 1fr);
    gap: var(--space-8) var(--space-6);
    align-items: start;
  }

  .page-glossary .g-anchors {
    position: sticky;
    top: var(--g-sticky-top);
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
  }

  .page-glossary .g-anchors__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-inline-start: var(--border-thin) solid var(--color-line);
  }

  .page-glossary .g-anchors__link {
    border: 0;
    border-radius: 0;
    background: transparent;
    border-inline-start: var(--border-thick) solid transparent;
    margin-inline-start: calc(var(--border-thick) * -1);
    padding: var(--space-1) var(--space-2) var(--space-1) var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-ink-soft);
  }

  .page-glossary .g-anchors__link:hover,
  .page-glossary .g-anchors__link:focus-visible {
    border-inline-start-color: var(--color-accent);
    background: transparent;
    color: var(--color-ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-glossary .g-entry,
  .page-glossary .g-anchors__link,
  .page-glossary .g-entry__link {
    transition: none;
  }

  .page-glossary .g-entry:hover {
    transform: none;
  }
}