.page-guides {
  --gd-row-num: 72px;
  --gd-row-tag: 112px;
}

.page-guides a:focus-visible,
.page-guides button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 首屏 ---------- */

.page-guides .gd-hero {
  padding-block: var(--space-4) var(--space-6);
}

.page-guides .gd-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-guides .gd-kicker {
  display: inline-block;
  margin: 0 0 var(--space-2);
  padding: calc(var(--space-1) / 2) var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.page-guides .gd-title {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.page-guides .gd-lead {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
  font-size: var(--text-lg);
  line-height: 1.62;
}

.page-guides .gd-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-guides .gd-figures {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-guides .gd-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
}

.page-guides .gd-figure--lead {
  background: var(--color-highlight);
}

.page-guides .gd-figure-num {
  color: var(--color-primary);
  line-height: 1;
}

.page-guides .gd-figure--lead .gd-figure-num {
  color: var(--color-accent);
}

.page-guides .gd-figure-label {
  color: var(--color-ink);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
}

.page-guides .gd-figure-note {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.62;
}

.page-guides .gd-ruler {
  display: block;
  width: 100%;
  height: 20px;
  margin-top: var(--space-6);
  color: var(--color-line);
}

.page-guides .gd-ruler line {
  stroke: currentColor;
}

/* ---------- 分类刻度条 ---------- */

.page-guides .gd-index-head {
  margin-bottom: var(--space-4);
}

.page-guides .gd-index-title {
  margin: 0;
  color: var(--color-ink);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-guides .gd-index-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-guides .gd-index-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-ink);
  text-decoration: none;
  box-shadow: var(--shadow-1);
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.page-guides .gd-index-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-guides .gd-index-num {
  color: var(--color-primary);
  font-size: var(--text-2xl);
  line-height: 1;
}

.page-guides .gd-index-name {
  color: var(--color-ink);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
}

.page-guides .gd-index-count {
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 500;
}

.page-guides .gd-index-scene {
  margin-top: auto;
  padding-top: var(--space-1);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ---------- 分类标题 ---------- */

.page-guides .gd-cat-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-guides .gd-cat-num {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--color-primary);
  font-size: var(--text-4xl);
  line-height: 1;
}

.page-guides .gd-cat-title {
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-guides .gd-cat-desc {
  margin: 0;
  max-width: 62ch;
  color: var(--color-ink-soft);
  font-size: var(--text-base);
  line-height: 1.72;
}

.page-guides .gd-cat-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

/* ---------- 条目行 ---------- */

.page-guides .gd-list {
  display: grid;
  gap: var(--space-2);
}

.page-guides .gd-entry {
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: box-shadow 240ms ease;
}

.page-guides .gd-entry[data-open="true"] {
  box-shadow: var(--shadow-2);
}

.page-guides .gd-entry-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-3);
  width: 100%;
  padding: var(--space-3);
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-guides .gd-entry-num {
  order: 1;
  color: var(--color-primary);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
}

.page-guides .gd-entry-tag {
  order: 2;
  padding: calc(var(--space-1) / 4) var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-surface-deep);
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.page-guides .gd-entry-text {
  order: 5;
  flex: 1 1 100%;
  color: var(--color-ink);
  font-size: var(--text-base);
  line-height: 1.7;
}

.page-guides .gd-entry-head .status-chip {
  order: 3;
  margin-left: auto;
}

.page-guides .gd-entry-head .disclosure-icon {
  order: 4;
  flex: 0 0 auto;
}

.page-guides .gd-entry-panel {
  margin: 0 var(--space-3);
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-guides .gd-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  margin: 0;
}

.page-guides .gd-meta dt {
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

.page-guides .gd-meta dd {
  margin: 0 0 var(--space-2);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.75;
}

.page-guides .gd-meta dd:last-child {
  margin-bottom: 0;
}

.page-guides .gd-meta a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-primary) 42%, transparent);
  text-underline-offset: 4px;
}

.page-guides .gd-meta a:hover {
  text-decoration-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---------- 最短路径（深色反相区） ---------- */

.page-guides .gd-fast-head {
  margin-bottom: var(--space-6);
}

.page-guides .gd-fast-title {
  margin: 0 0 var(--space-2);
  color: var(--color-contrast-ink);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-guides .gd-fast-lead {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  font-size: var(--text-base);
  line-height: 1.7;
  opacity: 0.78;
}

.page-guides .gd-fast-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-guides .gd-fast-card {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-contrast-line);
  background: color-mix(in srgb, var(--color-contrast-ink) 7%, transparent);
}

.page-guides .gd-fast-q {
  margin: 0 0 var(--space-2);
  color: var(--color-contrast-ink);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-guides .gd-steps {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-guides .gd-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: baseline;
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  line-height: 1.72;
}

.page-guides .gd-step-num {
  padding: 0 calc(var(--space-1) / 2);
  border: var(--border-thin) solid var(--color-contrast-accent);
  border-radius: var(--radius-pill);
  color: var(--color-contrast-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.7;
}

/* ---------- 延伸入口 ---------- */

.page-guides .gd-more-title {
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-guides .gd-more-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-guides .gd-more-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-ink);
  text-decoration: none;
  box-shadow: var(--shadow-1);
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.page-guides .gd-more-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-guides .gd-more-card--main {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-guides .gd-more-num {
  color: inherit;
  font-size: var(--text-2xl);
  line-height: 1;
  opacity: 0.72;
}

.page-guides .gd-more-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
}

.page-guides .gd-more-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  opacity: 0.86;
}

.page-guides .gd-more-go {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-2);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 500;
}

.page-guides .gd-more-card--main .gd-more-go {
  color: var(--color-contrast-accent);
}

.page-guides .gd-more-card:hover .btn-arrow {
  transform: translateX(4px);
}

.page-guides .gd-more-note {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.75;
}

.page-guides .gd-more-note a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-primary) 42%, transparent);
  text-underline-offset: 4px;
}

.page-guides .gd-more-note a:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-guides .gd-index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-guides .gd-meta {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: var(--space-1) var(--space-3);
    align-items: baseline;
  }

  .page-guides .gd-meta dd {
    margin-bottom: 0;
  }
}

@media (min-width: 860px) {
  .page-guides .gd-cat-head {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-6);
    align-items: center;
  }

  .page-guides .gd-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-guides .gd-figures {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-3);
  }

  .page-guides .gd-fast-grid {
    grid-template-columns: 1.15fr 1fr 1fr;
    gap: var(--space-3);
  }

  .page-guides .gd-more-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-guides .gd-entry-head {
    display: grid;
    grid-template-columns: var(--gd-row-num) var(--gd-row-tag) minmax(0, 1fr) auto 24px;
    align-items: center;
    gap: var(--space-3);
  }

  .page-guides .gd-entry-num,
  .page-guides .gd-entry-tag,
  .page-guides .gd-entry-text,
  .page-guides .gd-entry-head .status-chip,
  .page-guides .gd-entry-head .disclosure-icon {
    order: 0;
  }

  .page-guides .gd-entry-text {
    flex: initial;
  }

  .page-guides .gd-entry-head .status-chip {
    margin-left: 0;
    justify-self: end;
  }
}

@media (min-width: 1000px) {
  .page-guides .gd-index-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-guides .gd-index-item,
  .page-guides .gd-entry,
  .page-guides .gd-more-card,
  .page-guides .btn-arrow {
    transition: none;
  }

  .page-guides .gd-index-item:hover,
  .page-guides .gd-more-card:hover,
  .page-guides .gd-more-card:hover .btn-arrow {
    transform: none;
  }
}