.page-glossary {
  --glossary-rule: color-mix(in srgb, var(--color-line) 78%, transparent);
  --glossary-accent-soft: color-mix(in srgb, var(--color-accent) 14%, transparent);
  --glossary-row-tint: color-mix(in srgb, var(--color-surface-alt) 62%, transparent);
  --glossary-hero-wash: linear-gradient(168deg, var(--color-surface) 0%, var(--color-primary-soft) 62%, var(--color-surface-alt) 100%);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-glossary .glossary-hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-6) var(--space-8);
  background: var(--glossary-hero-wash);
}

.page-glossary .glossary-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -46%;
  height: 62%;
  background: linear-gradient(118deg,
    color-mix(in srgb, var(--color-primary) 16%, transparent) 0%,
    color-mix(in srgb, var(--color-accent) 9%, transparent) 48%,
    transparent 76%);
  transform: rotate(-4.5deg);
  pointer-events: none;
}

.page-glossary .breadcrumbs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  padding-bottom: var(--space-4);
}

.page-glossary .breadcrumbs a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-glossary .breadcrumbs a:hover,
.page-glossary .breadcrumbs a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: currentColor;
}

.page-glossary .breadcrumbs__sep {
  color: var(--color-line);
}

.page-glossary .breadcrumbs__here {
  color: var(--color-ink);
}

.page-glossary .glossary-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
}

.page-glossary .glossary-hero__index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
}

.page-glossary .glossary-hero__index-link {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: var(--space-1);
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-sm);
  transition: color .2s ease;
}

.page-glossary .glossary-hero__index-num {
  font-size: var(--text-lg);
  line-height: 1;
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  letter-spacing: 0.05em;
  transition: color .2s ease;
}

.page-glossary .glossary-hero__index-name {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  transition: color .2s ease;
}

.page-glossary .glossary-hero__index-link:hover .glossary-hero__index-num,
.page-glossary .glossary-hero__index-link:focus-visible .glossary-hero__index-num {
  color: var(--color-accent);
}

.page-glossary .glossary-hero__index-link:hover .glossary-hero__index-name,
.page-glossary .glossary-hero__index-link:focus-visible .glossary-hero__index-name {
  color: var(--color-ink);
}

.page-glossary .glossary-hero__index-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.page-glossary .glossary-hero__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-glossary .glossary-hero__lede {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-glossary .glossary-hero__figures {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
}

.page-glossary .glossary-hero__figure {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-primary);
}

.page-glossary .glossary-hero__fig {
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.page-glossary .glossary-hero__fig-label {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
}

.page-glossary .glossary-hero__media {
  margin: var(--space-6) 0 0;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
}

.page-glossary .glossary-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-glossary .glossary-hero__media-caption {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
  background: color-mix(in srgb, var(--color-surface-alt) 70%, transparent);
  border-top: var(--border-thin) solid var(--color-line);
}

/* ---------- 主题分组 ---------- */

.page-glossary .glossary-group {
  padding-block: var(--section-y);
}

.page-glossary .glossary-group--a {
  background: var(--color-surface);
}

.page-glossary .glossary-group--b {
  background: var(--color-surface-alt);
}

.page-glossary .glossary-group--c {
  background: var(--color-surface-deep);
}

.page-glossary .glossary-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-glossary .section-head__num {
  font-size: var(--text-figure);
  line-height: 0.86;
  font-weight: var(--weight-heading);
  letter-spacing: 0.01em;
  color: var(--color-primary);
  opacity: 0.85;
}

.page-glossary .section-head__body {
  min-width: 0;
  padding-top: var(--space-1);
}

.page-glossary .section-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-glossary .section-lede {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-glossary .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-accent);
}

/* ---------- 词条行 ---------- */

.page-glossary .glossary-group__rows {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-glossary .term {
  position: relative;
  transition: box-shadow .25s ease, outline-color .25s ease;
  outline: 2px solid transparent;
  outline-offset: -2px;
}

.page-glossary .term + .term {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-glossary .term:nth-child(even) {
  background: var(--glossary-row-tint);
}

.page-glossary .term:target {
  outline-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-highlight) 42%, transparent);
}

.page-glossary .term__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  cursor: pointer;
  list-style: none;
  transition: background-color .2s ease;
}

.page-glossary .term__summary::-webkit-details-marker {
  display: none;
}

.page-glossary .term__summary::marker {
  content: "";
}

.page-glossary .term__summary:hover {
  background: color-mix(in srgb, var(--color-highlight) 30%, transparent);
}

.page-glossary .term__summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -3px;
}

.page-glossary .term__num {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
  min-width: 2.2em;
  transition: color .2s ease;
}

.page-glossary .term__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

.page-glossary .term__summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-ink-muted);
  border-bottom: 2px solid var(--color-ink-muted);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .25s ease, border-color .25s ease;
}

.page-glossary .term[open] .term__summary::after {
  transform: rotate(-135deg) translate(-2px, -2px);
  border-color: var(--color-accent);
}

.page-glossary .term[open] .term__num,
.page-glossary .term__summary:hover .term__num {
  color: var(--color-accent);
}

.page-glossary .term__body {
  margin: 0 var(--space-3) var(--space-3);
  padding: var(--space-1) 0 var(--space-1) var(--space-3);
  border-left: 3px solid var(--color-accent);
}

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

.page-glossary .term__fields {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--glossary-rule);
  max-width: var(--measure);
}

.page-glossary .term__field {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink-soft);
}

.page-glossary .term__field-k {
  display: inline-block;
  margin-right: var(--space-1);
  padding: 2px var(--space-1);
  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: 0.06em;
  color: var(--color-ink-muted);
  background: var(--color-surface-alt);
}

/* ---------- 分类示意图 ---------- */

.page-glossary .glossary-figure {
  margin: 0 0 var(--space-6);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
}

.page-glossary .glossary-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-glossary .glossary-figure__caption {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
  border-top: var(--border-thin) solid var(--color-line);
  background: color-mix(in srgb, var(--color-surface-alt) 70%, transparent);
}

/* ---------- 使用方式与相邻入口 ---------- */

.page-glossary .glossary-use {
  padding-block: var(--section-y-lg);
  background:
    radial-gradient(88% 62% at 8% 4%, color-mix(in srgb, var(--color-primary-soft) 68%, transparent) 0%, transparent 62%),
    var(--color-surface-alt);
}

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

.page-glossary .glossary-use__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-glossary .glossary-use__step {
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-line);
  transition: border-color .25s ease;
}

.page-glossary .glossary-use__step:hover {
  border-left-color: var(--color-primary);
}

.page-glossary .glossary-use__step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.page-glossary .glossary-use__step-title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-glossary .glossary-doors {
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  box-shadow: var(--shadow-1);
}

.page-glossary .glossary-doors__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-glossary .glossary-doors__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-glossary .glossary-doors__item {
  display: grid;
  gap: 2px;
  padding: var(--space-2) 0;
  border-top: var(--border-thin) solid var(--glossary-rule);
}

.page-glossary .glossary-doors__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-glossary .glossary-doors__link {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  justify-self: start;
  transition: border-color .2s ease, color .2s ease;
}

.page-glossary .glossary-doors__link:hover,
.page-glossary .glossary-doors__link:focus-visible {
  border-bottom-color: currentColor;
}

.page-glossary .glossary-doors__note {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}

.page-glossary .link {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 42%, transparent);
  transition: border-color .2s ease, color .2s ease;
}

.page-glossary .link:hover,
.page-glossary .link:focus-visible {
  color: var(--color-focus);
  border-bottom-color: currentColor;
}

.page-glossary a:focus-visible,
.page-glossary summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

/* ---------- 动效 ---------- */

[data-motion="on"] .page-glossary [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .62s ease, transform .62s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

[data-motion="on"] .page-glossary [data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

/* ---------- 窄屏 ---------- */

@media (max-width: 639px) {
  .page-glossary .glossary-hero__figures {
    gap: var(--space-3) var(--space-4);
  }

  .page-glossary .glossary-hero__figure {
    flex: 1 1 40%;
  }

  .page-glossary .glossary-group__head {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2);
  }

  .page-glossary .section-head__num {
    font-size: var(--text-3xl);
    opacity: 0.7;
  }

  .page-glossary .term__summary {
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
  }

  .page-glossary .term__body {
    margin-inline: var(--space-3);
  }
}

/* ---------- 中屏及以上 ---------- */

@media (min-width: 720px) {
  .page-glossary .glossary-use__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-glossary .glossary-group__head {
    gap: var(--space-4);
  }
}

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

  .page-glossary .glossary-hero__grid {
    grid-template-columns: minmax(180px, 0.72fr) minmax(0, 2.28fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-glossary .glossary-hero__index {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: var(--space-3);
    padding-left: var(--space-3);
    border-left: var(--border-thin) solid var(--glossary-rule);
  }

  .page-glossary .glossary-hero__index-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .page-glossary .glossary-hero__index-num {
    font-size: var(--text-figure);
    line-height: 0.9;
    font-weight: var(--weight-heading);
  }

  .page-glossary .glossary-hero__index-name {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
  }

  .page-glossary .glossary-hero__media {
    margin-top: var(--space-8);
  }

  .page-glossary .glossary-group__head {
    gap: var(--space-6);
  }

  .page-glossary .glossary-figure {
    margin-bottom: var(--space-8);
  }

  .page-glossary .term__summary {
    padding: var(--space-3) var(--space-4);
  }

  .page-glossary .term__body {
    margin: 0 var(--space-4) var(--space-4);
    padding-left: var(--space-4);
  }

  .page-glossary .glossary-doors {
    padding: var(--space-6);
  }
}

/* ---------- 减弱动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-glossary [data-reveal],
  [data-motion="on"] .page-glossary [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .page-glossary .term__summary::after,
  .page-glossary .term__summary,
  .page-glossary .term,
  .page-glossary .glossary-use__step {
    transition: none !important;
  }
}

.page-glossary {
  --reveal-delay: 0.3s;
}