.page-home {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding-top: var(--space-6);
}

.page-home .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-home .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--color-line);
}

.page-home .breadcrumb-link {
  color: var(--color-ink-muted);
  text-decoration: none;
}

.page-home .breadcrumb-link:hover,
.page-home .breadcrumb-link:focus-visible {
  color: var(--color-primary);
}

.page-home .hero-head {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.032em;
  color: var(--color-ink);
}

.page-home .hero-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-home .hero-lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-home .hero-meta {
  margin: 0;
  padding-top: var(--space-2);
  border-top: 1px solid color-mix(in srgb, var(--color-line) 70%, transparent);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .hero-stage {
  position: relative;
  margin-top: var(--space-6);
}

.page-home .hero-media {
  display: block;
  width: 100%;
  height: clamp(220px, 38vw, 420px);
  max-width: 100%;
  object-fit: cover;
}

.page-home .hero-island {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}

.page-home .hero-island-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-home .hero-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hero-figures > li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-home .hero-figures .figure-num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.05;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-home .hero-figures .figure-num--accent {
  color: var(--color-accent);
}

.page-home .figure-label {
  font-size: var(--text-sm);
  line-height: 1.3;
  color: var(--color-ink-soft);
}

.page-home .hero-rail {
  display: block;
  width: 100%;
  height: var(--space-6);
  margin-top: var(--space-4);
}

.page-home .hero-rail line {
  stroke: var(--color-primary);
  stroke-width: 1;
  opacity: 0.6;
}

/* ---------- 三维度 ---------- */
.page-home .section-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-home .section-head .heading-xl {
  margin: var(--space-2) 0 var(--space-3);
}

.page-home .dim-track {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.page-home .dim-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3);
  padding-bottom: var(--space-2);
}

.page-home .dim-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-accent);
}

.page-home .dim-name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .dim-count {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-muted);
}

.page-home .dim-list {
  display: flex;
  gap: var(--space-3);
  margin: 0;
  padding: 0 0 var(--space-2);
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-home .dim-card {
  flex: 0 0 clamp(212px, 68%, 268px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  background-color: var(--color-surface-alt);
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-md);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-home .dim-card:hover,
.page-home .dim-card:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-1);
}

.page-home .dim-card-title {
  margin: 0;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-ink);
}

.page-home .dim-card-desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 12 类文档总览 ---------- */
.page-home .docs-lead {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-home .docs-lead .heading-xl {
  margin: var(--space-2) 0 0;
}

.page-home .docs-media {
  margin: 0 0 var(--space-6);
}

.page-home .docs-media img {
  height: clamp(150px, 22vw, 260px);
}

.page-home .doc-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .doc-item {
  position: relative;
  padding: var(--space-4) 0 var(--space-4) var(--space-8);
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-line) 65%, transparent);
}

.page-home .doc-index {
  position: absolute;
  left: 0;
  top: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-home .doc-name {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

.page-home .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-muted);
}

.page-home .doc-meta > .num {
  color: var(--color-accent);
}

.page-home .docs-foot {
  margin: var(--space-6) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 收藏工作台 ---------- */
.page-home .vault-head {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-home .vault-head .heading-xl {
  margin: var(--space-2) 0 0;
}

.page-home .vault-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-home .vault-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background-color: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-home .vault-card:hover,
.page-home .vault-card:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-1);
}

.page-home .vault-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.page-home .panel-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .vault-toggle {
  flex: 0 0 auto;
}

.page-home .vault-toggle[aria-pressed="true"] {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  border-color: var(--color-accent);
}

.page-home .vault-desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .vault-card .panel-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 时间轴 ---------- */
.page-home .timeline-head {
  max-width: var(--measure);
  margin-bottom: var(--space-4);
}

.page-home .timeline-head .heading-lg {
  margin: var(--space-2) 0 var(--space-3);
}

.page-home .timeline-axis {
  display: block;
  width: 100%;
  height: var(--space-6);
  margin-bottom: var(--space-3);
}

.page-home .timeline-axis line {
  stroke: var(--color-line);
  stroke-width: 1;
}

.page-home .timeline-axis line:nth-child(2),
.page-home .timeline-axis line:nth-child(4) {
  stroke: var(--color-primary);
}

.page-home .timeline-axis line:nth-child(3),
.page-home .timeline-axis line:nth-child(5) {
  stroke: var(--color-accent);
}

.page-home .timeline-media {
  margin: 0 0 var(--space-6);
}

.page-home .timeline-media img {
  height: clamp(110px, 16vw, 190px);
}

.page-home .timeline-folds .fold {
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-line) 65%, transparent);
}

.page-home .timeline-folds .fold-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) 0;
  background: none;
  border: 0;
  font: inherit;
  text-align: left;
  cursor: pointer;
  color: var(--color-ink);
}

.page-home .timeline-folds .fold-head:hover .fold-label,
.page-home .timeline-folds .fold-head:focus-visible .fold-label {
  color: var(--color-primary);
}

.page-home .timeline-folds .fold-label {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  transition: color 160ms ease;
}

.page-home .timeline-folds .fold-count {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

.page-home .timeline-folds .fold-body {
  padding: 0 0 var(--space-4);
}

.page-home .timeline-folds .fold-body p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

.page-home .timeline-tags .tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.page-home .timeline-foot {
  margin: var(--space-6) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 重点栏目 ---------- */
.page-home .pillars-head {
  margin-bottom: var(--space-6);
}

.page-home .pillars-head .heading-xl {
  margin: var(--space-2) 0 0;
}

.page-home .pillar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-home .pillar {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  background-color: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.page-home .pillar:hover,
.page-home .pillar:focus-visible {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-1);
}

.page-home .pillar-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

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

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

.page-home .pillar-media {
  margin: var(--space-2) 0 0;
}

.page-home .pillar-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .pillar-figure {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin: var(--space-2) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-line) 65%, transparent);
}

.page-home .pillar-figure .num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

.page-home .pillar-figure-label {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 术语速览 ---------- */
.page-home .glossary-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-home .glossary-head .heading-lg {
  margin: var(--space-2) 0 var(--space-3);
}

.page-home .term-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: 0;
}

.page-home .term-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color 160ms ease;
}

.page-home .term-card:hover {
  border-color: var(--color-primary);
}

.page-home .term-name {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.page-home .term-cat {
  display: inline-block;
  margin-left: var(--space-2);
  padding: 2px var(--space-1);
  border-radius: var(--radius-sm);
  background-color: var(--color-highlight);
  color: var(--color-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.page-home .term-card dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

  .page-home .doc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--gutter);
  }

  .page-home .vault-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .term-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero-head {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: end;
    margin-bottom: var(--space-8);
  }

  .page-home .hero-title {
    grid-column: 1 / span 8;
  }

  .page-home .hero-aside {
    grid-column: 9 / span 4;
  }

  .page-home .hero-stage {
    margin-top: var(--space-4);
  }

  .page-home .hero-media {
    height: clamp(300px, 34vw, 430px);
  }

  .page-home .hero-island {
    position: absolute;
    right: var(--space-4);
    bottom: var(--space-4);
    width: min(660px, 64%);
    margin-top: 0;
    padding: var(--space-4) var(--space-6);
    background-color: color-mix(in srgb, var(--color-surface) 94%, transparent);
  }

  .page-home .docs-lead {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: end;
  }

  .page-home .docs-lead > div {
    grid-column: 1 / span 7;
  }

  .page-home .docs-lead > .section-lede {
    grid-column: 8 / span 5;
    margin: 0;
  }

  .page-home .vault-head {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: end;
  }

  .page-home .vault-head > div {
    grid-column: 1 / span 6;
  }

  .page-home .vault-head > .section-lede {
    grid-column: 7 / span 6;
    margin: 0;
  }

  .page-home .vault-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .doc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .pillar-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: start;
  }

  .page-home .pillar:nth-child(1) {
    grid-column: 1 / span 7;
  }

  .page-home .pillar:nth-child(2) {
    grid-column: 8 / span 5;
    margin-top: var(--space-6);
  }

  .page-home .pillar:nth-child(3) {
    grid-column: 1 / span 5;
  }

  .page-home .pillar:nth-child(4) {
    grid-column: 6 / span 7;
    margin-top: var(--space-6);
  }

  .page-home .term-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-home .doc-item {
    padding-right: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .dim-card,
  .page-home .vault-card,
  .page-home .pillar,
  .page-home .term-card,
  .page-home .timeline-folds .fold-label {
    transition: none;
  }
}