.page-home {
  --home-tracking-display: 0.04em;
  --home-hero-top: calc(var(--section-y-lg) + var(--space-6));
  color: var(--color-ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------------- 首屏 ---------------- */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-surface);
  padding-block: var(--home-hero-top) var(--section-y);
}

.page-home .hero-shape {
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.page-home .hero-shape--a {
  inset: -22% -34% auto 32%;
  height: 130%;
  transform: rotate(-8deg);
  background: linear-gradient(
    147deg,
    color-mix(in srgb, var(--color-primary) 76%, transparent) 0%,
    color-mix(in srgb, var(--color-primary) 22%, transparent) 48%,
    transparent 76%
  );
  border-left: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 52%, transparent);
}

.page-home .hero-shape--b {
  inset: auto -20% -30% 48%;
  height: 78%;
  transform: rotate(-5deg);
  background: linear-gradient(
    28deg,
    color-mix(in srgb, var(--color-accent) 24%, transparent) 0%,
    transparent 64%
  );
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 58%, transparent);
}

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

.page-home .hero-copy {
  position: relative;
  z-index: 2;
}

.page-home .hero-title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.98;
  letter-spacing: var(--home-tracking-display);
  color: var(--color-ink);
}

.page-home .hero-title-mark {
  display: inline-block;
  color: var(--color-accent);
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 45%, transparent);
}

.page-home .hero-lede {
  max-width: min(100%, var(--measure));
  margin: var(--space-4) 0 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-home .hero-actions .btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.page-home .hero-visual {
  position: relative;
  z-index: 1;
}

.page-home .hero-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-2);
}

.page-home .hero-matrix {
  position: absolute;
  right: calc(var(--space-3) * -1);
  bottom: calc(var(--space-4) * -1);
  width: 46%;
  aspect-ratio: 4 / 1;
  color: var(--color-accent);
  fill: currentColor;
  background-color: color-mix(in srgb, var(--color-surface-deep) 84%, transparent);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 48%, transparent);
  box-shadow: var(--shadow-1);
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
  margin: var(--space-8) 0 0;
  padding: var(--space-4) 0 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 42%, transparent);
}

.page-home .stat-num {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: var(--home-tracking-display);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-home .stat-num--date {
  font-size: var(--text-2xl);
  padding-top: var(--space-3);
}

.page-home .stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------------- 时间轴 ---------------- */

.page-home .timeline-figure {
  margin: var(--space-6) 0 0;
  border: var(--border-thin) solid var(--color-line);
  background-color: var(--color-surface);
}

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

.page-home .timeline-figure figcaption {
  padding: var(--space-2) var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-home .timeline-tabs {
  margin-top: var(--space-6);
}

.page-home .tabs-list {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .tab {
  flex: 0 0 auto;
  appearance: none;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.page-home .tab:hover {
  color: var(--color-ink);
  background-color: var(--color-primary-soft);
}

.page-home .tab[aria-selected="true"] {
  color: var(--color-ink);
  background-color: var(--color-primary-soft);
  border-bottom-color: var(--color-accent);
}

.page-home .tab:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.page-home .tab-panel {
  padding-top: var(--space-4);
}

.page-home .panel-intro {
  max-width: min(100%, var(--measure));
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

.page-home .series-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2) var(--space-4);
  align-items: baseline;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--color-surface-deep) 46%, transparent);
}

.page-home .series-code {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-home .series-item h3 {
  margin: 0;
  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 .series-item p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .timeline-outro {
  margin-top: var(--space-6);
  max-width: min(100%, var(--measure));
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .timeline-outro a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.page-home .timeline-outro a:hover {
  border-bottom-color: var(--color-accent);
}

/* ---------------- 参数矩阵 ---------------- */

.page-home .matrix-grid {
  display: grid;
  gap: var(--space-6);
}

.page-home .matrix-note {
  margin-top: var(--space-4);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-accent);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .matrix-figure {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  margin-bottom: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-1);
}

.page-home .matrix-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-home .matrix-table th,
.page-home .matrix-table td {
  text-align: left;
  vertical-align: top;
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .matrix-table thead th {
  background-color: var(--color-surface-deep);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 40%, transparent);
}

.page-home .matrix-table tbody th[scope="row"] {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
  white-space: nowrap;
}

.page-home .matrix-table tbody tr {
  transition: background-color 160ms ease;
}

.page-home .matrix-table tbody tr:hover {
  background-color: var(--color-highlight);
}

.page-home .matrix-table td[data-diff="true"] {
  border-left: 2px solid var(--color-accent);
  color: var(--color-ink);
}

.page-home .matrix-table td:last-child {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-home .hidden-num {
  display: none;
}

/* ---------------- 地区受理 ---------------- */

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

.page-home .region-head {
  margin: 0;
  font-size: inherit;
  font-weight: var(--weight-body);
}

.page-home .region-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  appearance: none;
  text-align: left;
  cursor: pointer;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--color-surface-deep) 40%, transparent);
  transition: background-color 160ms ease, border-color 160ms ease;
}

.page-home .region-trigger:hover {
  background-color: var(--color-primary-soft);
  border-color: color-mix(in srgb, var(--color-primary) 55%, transparent);
}

.page-home .region-trigger:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-home .region-trigger::after {
  content: "";
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: var(--border-thin) solid var(--color-accent);
  border-bottom: var(--border-thin) solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform 160ms ease;
}

.page-home .region-trigger[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.page-home .region-name {
  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 .region-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-accent);
  padding: 2px var(--space-1);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 42%, transparent);
  border-radius: var(--radius-sm);
}

.page-home .region-panel {
  padding: var(--space-3) var(--space-3) var(--space-4);
  border-left: 2px solid color-mix(in srgb, var(--color-primary) 60%, transparent);
  margin-left: var(--space-3);
}

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

.page-home .region-fields dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-home .region-fields dd {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .region-outro {
  margin-top: var(--space-6);
  max-width: min(100%, var(--measure));
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .region-outro a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.page-home .region-outro a:hover {
  border-bottom-color: var(--color-accent);
}

/* ---------------- 本轮修订 ---------------- */

.page-home .update-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: home-update;
}

.page-home .update-item {
  counter-increment: home-update;
  position: relative;
  padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-8) + var(--space-2));
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--color-surface) 70%, transparent);
}

.page-home .update-item::before {
  content: counter(home-update, decimal-leading-zero);
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-home .update-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
}

.page-home .update-item h3 {
  margin: 0 0 var(--space-1);
  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 .update-item p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .updates-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-start;
  margin-top: var(--space-6);
}

.page-home .updates-outro {
  max-width: min(100%, var(--measure));
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .updates-outro a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.page-home .updates-outro a:hover {
  border-bottom-color: var(--color-accent);
}

/* ---------------- 合规信息条 ---------------- */

.page-home .page-compliance {
  background-color: var(--color-surface);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .compliance-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 34%, transparent);
  border-radius: var(--radius-lg);
  background-color: color-mix(in srgb, var(--color-surface-deep) 52%, transparent);
  box-shadow: var(--shadow-1);
}

.page-home .compliance-title {
  margin: 0 0 var(--space-2);
  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 .compliance-text p {
  margin: 0;
  max-width: min(100%, var(--measure));
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------------- 过渡纹理 ---------------- */

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

.page-home .page-transition img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------------- 响应式 ---------------- */

@media (min-width: 768px) {
  .page-home .region-fields {
    grid-template-columns: minmax(0, 10ch) minmax(0, 1fr);
    gap: var(--space-1) var(--space-3);
  }

  .page-home .region-fields dd {
    margin-bottom: 0;
  }

  .page-home .region-fields dt + dt {
    margin-top: var(--space-2);
  }

  .page-home .series-item {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
  }

  .page-home .series-item p {
    grid-column: 2;
  }

  .page-home .updates-actions {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
  }

  .page-home .compliance-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding: var(--space-6);
  }
}

@media (min-width: 900px) {
  .page-home .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
    padding-top: var(--space-6);
  }

  .page-home .stat--b {
    margin-top: var(--space-4);
  }

  .page-home .stat--c {
    margin-top: var(--space-1);
  }

  .page-home .stat--d {
    margin-top: var(--space-6);
  }

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

  .page-home .series-item {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .page-home .series-code {
    grid-row: auto;
  }

  .page-home .series-item p {
    grid-column: auto;
  }
}

@media (min-width: 1024px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-home .hero-visual {
    margin-left: calc(var(--space-8) * -1);
    margin-top: var(--space-6);
    transform: rotate(1.5deg);
  }

  .page-home .matrix-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-home .matrix-copy {
    position: sticky;
    top: var(--space-8);
  }

  .page-home .update-list {
    gap: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-visual {
    transform: none;
  }

  .page-home .tab,
  .page-home .region-trigger,
  .page-home .matrix-table tbody tr {
    transition: none;
  }
}