.page-home {
  display: block;
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

/* ---------- 分区留白 ---------- */
.page-home .home-hero {
  padding: var(--space-4) 0 var(--space-6);
}
.page-home .home-index,
.page-home .home-paths {
  padding: 0 0 var(--space-6);
}
.page-home .home-columns {
  padding: var(--space-6) 0;
}
.page-home .home-depot {
  padding: 0 0 var(--space-8);
}

/* ---------- 首屏 ---------- */
.page-home .home-context {
  margin: 0 0 var(--space-6);
}
.page-home .home-context ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-home .home-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-home .home-kicker {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: var(--tracking-heading);
}

.page-home .home-hero-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 1.05;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .home-hero-lead {
  max-width: var(--measure);
  margin: 0;
  color: var(--color-ink-soft);
}

.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  transition: background 180ms ease-out, transform 180ms ease-out;
}

.page-home .home-stat:focus-visible {
  outline: calc(var(--border-thick) * 2) solid var(--color-focus);
  outline-offset: 2px;
  background: var(--color-highlight);
}

.page-home .home-stat-num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

.page-home .home-stat-label {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

.page-home .home-hero-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.page-home .home-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .home-hero-figure .figure-caption,
.page-home .home-index-band .figure-caption,
.page-home .home-columns-figure .figure-caption {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ---------- 圆角色块 ---------- */
.page-home .home-slab {
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.page-home .home-slab--alt {
  background: var(--color-surface-alt);
}

.page-home .home-slab--soft {
  background: var(--color-primary-soft);
}

.page-home .home-slab--contrast {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  box-shadow: var(--shadow-1);
}

/* ---------- 章节头 ---------- */
.page-home .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  margin-bottom: var(--space-4);
}

.page-home .section-num {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  transition: color 180ms ease-out;
}

.page-home [data-section][data-visible="true"] .section-num {
  color: var(--color-accent);
}

.page-home .section-title {
  margin: 0 0 var(--space-1);
  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-home .section-sub {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

/* ---------- 索引区 ---------- */
.page-home .home-index-band {
  margin: 0 0 var(--space-4);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-home .home-index-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1200 / 420;
  object-fit: cover;
}

.page-home .home-entry-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: calc(var(--border-thick) * 2) solid var(--color-line);
}

.page-home .home-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: background 180ms ease-out;
}

.page-home .home-entry:hover,
.page-home .home-entry:focus-within {
  background: var(--color-primary-soft);
  box-shadow: inset calc(var(--border-thick) * 2) 0 0 var(--color-primary);
}

.page-home .entry-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.page-home .home-entry-body {
  min-width: 0;
}

.page-home .entry-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-home .entry-meta {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-home .status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .status .status-dot {
  display: inline-block;
  width: var(--space-1);
  height: var(--space-1);
  border-radius: var(--radius-pill);
}

.page-home .status .status-dot--ok {
  background: var(--color-accent);
}

.page-home .status .status-dot--muted {
  background: var(--color-ink-muted);
}

/* ---------- 三条路径 ---------- */
.page-home .home-path-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-home .home-path {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
  transition: transform 180ms ease-out, background 180ms ease-out;
}

.page-home .home-path:hover,
.page-home .home-path:focus-within {
  transform: translateY(-2px);
  background: var(--color-surface-alt);
}

.page-home .home-path-num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

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

.page-home .home-path-scene {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-home .home-path-note {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-home .home-path-foot {
  margin: auto 0 0;
}

.page-home .home-path-link {
  display: inline-block;
  padding-bottom: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: calc(var(--border-thick) * 2) solid var(--color-accent);
  transition: color 180ms ease-out;
}

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

.page-home .home-path-link:focus-visible {
  outline: calc(var(--border-thick) * 2) solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-pill);
}

.page-home .home-matrix-wrap {
  padding: var(--space-2) 0 0;
}

.page-home .home-matrix {
  display: block;
  width: 100%;
  max-width: calc(var(--space-8) * 5);
  height: auto;
}

.page-home .home-matrix .m-hw {
  fill: var(--color-primary);
}

.page-home .home-matrix .m-acc {
  fill: color-mix(in srgb, var(--color-primary) 52%, var(--color-surface));
}

.page-home .home-matrix .m-srv {
  fill: var(--color-accent);
}

.page-home .home-matrix-legend {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 重点栏目 ---------- */
.page-home .home-columns-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-home .home-columns-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.page-home .home-columns-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .home-column-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-column {
  padding: var(--space-3) 0;
  border-top: calc(var(--border-thick) * 2) solid var(--color-line);
}

.page-home .home-column:first-child {
  border-top-color: var(--color-primary);
}

.page-home .home-column-num {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.page-home .home-column-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-home .home-column-title a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color 180ms ease-out;
}

.page-home .home-column-title a:hover,
.page-home .home-column-title a:focus-visible {
  color: var(--color-accent);
}

.page-home .home-column-title a:focus-visible {
  outline: calc(var(--border-thick) * 2) solid var(--color-focus);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-home .home-column-desc {
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
  color: var(--color-ink-soft);
}

.page-home .home-column-meta {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 资料库固定入口 ---------- */
.page-home .home-depot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
}

.page-home .home-depot-figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-contrast-line);
}

.page-home .home-depot-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-home .home-depot-num {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-home .home-depot-title {
  color: var(--color-contrast-ink);
}

.page-home .home-depot-lead {
  max-width: var(--measure);
  margin: 0 0 var(--space-3);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-home .home-depot-facts {
  margin: 0 0 var(--space-4);
  padding: 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-depot-fact {
  display: grid;
  grid-template-columns: minmax(0, calc(var(--space-8) * 0.75)) minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-depot-fact dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
}

.page-home .home-depot-fact dd {
  margin: 0;
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-home .home-depot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-home .home-notes {
  margin: var(--space-4) 0 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .home-notes a {
  color: var(--color-ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .home-notes a:hover,
.page-home .home-notes a:focus-visible {
  color: var(--color-accent);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .home-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding: var(--space-6) 0 var(--section-y);
  }
  .page-home .home-index,
  .page-home .home-paths {
    padding: 0 0 var(--section-y);
  }
  .page-home .home-columns {
    padding: var(--section-y) 0;
  }
  .page-home .home-depot {
    padding: 0 0 var(--section-y-lg);
  }
  .page-home .home-slab {
    padding: var(--space-6);
  }
  .page-home .home-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--space-8);
    align-items: start;
  }
  .page-home .home-hero-figure {
    margin-top: var(--space-8);
  }
  .page-home .home-path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }
  .page-home .home-columns-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-6);
    align-items: start;
  }
  .page-home .home-columns-figure {
    margin-top: var(--space-6);
  }
  .page-home .home-entry {
    grid-template-columns: minmax(0, calc(var(--space-8) * 1.6)) minmax(0, 1fr) auto;
    gap: var(--space-3);
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-home .home-depot-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: var(--space-6);
  }
  .page-home .home-depot-figure {
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-stat,
  .page-home .home-path,
  .page-home .home-entry,
  .page-home .section-num,
  .page-home .home-column-title a {
    transition: none;
  }
  .page-home .home-path:hover,
  .page-home .home-path:focus-within {
    transform: none;
  }
}