.page-home {
  --home-rail: 56px;
}

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

.page-home .home-hero__context {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-contrast-ink);
}

.page-home .home-hero__context-domain {
  color: var(--color-contrast-accent);
  letter-spacing: 0.08em;
}

.page-home .home-hero__title {
  margin: 0 0 var(--space-4);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-home .home-hero__year {
  display: block;
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  line-height: 1;
  color: var(--color-contrast-accent);
  margin-bottom: var(--space-2);
}

.page-home .home-hero__title-text {
  display: block;
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
}

.page-home .home-hero__lead {
  margin: 0 0 var(--space-6);
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-home .home-hero__facts {
  list-style: none;
  margin: 0;
  padding: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-home .hero-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-contrast-line);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-contrast-ink);
}

.page-home .hero-fact:nth-child(2) {
  padding-left: var(--space-3);
}

.page-home .hero-fact:nth-child(3) {
  padding-left: var(--space-6);
}

.page-home .hero-fact__num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-contrast-ink);
}

.page-home .hero-fact__text {
  flex: 1 1 14ch;
  min-width: 0;
  color: var(--color-contrast-ink);
}

.page-home .home-hero__side {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-home .home-hero__figure {
  border: var(--border-thin) solid var(--color-contrast-line);
  margin: 0;
}

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

.page-home .home-hero__caption {
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-contrast-accent);
}

/* ---------- 城市维度 ---------- */
.page-home .city-band {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-home .city-card {
  display: grid;
  align-content: start;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-home .city-card__code {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-primary);
}

.page-home .city-card__name {
  margin: 0;
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .city-card__desc {
  margin: 0;
  max-width: 42ch;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-home .city-card__stat {
  margin: 0;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-home .city-card__link {
  justify-self: start;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 十二类目录 ---------- */
.page-home .home-catalog__figure {
  margin: 0 0 var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
}

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

.page-home .home-catalog__caption {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-home .catalog-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: var(--border-thin) solid var(--color-ink);
}

.page-home .catalog-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.page-home .catalog-item__no {
  display: inline-block;
  min-width: 40px;
  padding: var(--space-1);
  text-align: center;
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-size: var(--text-sm);
  line-height: 1;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border: var(--border-thin) solid var(--color-primary);
}

.page-home .catalog-item__body {
  min-width: 0;
}

.page-home .catalog-item__name {
  margin: 0 0 var(--space-1);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .catalog-item__meta {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 最近更新 ---------- */
.page-home .home-banner {
  margin: 0 0 var(--space-4);
  border: var(--border-thin) solid var(--color-line);
}

.page-home .home-banner__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

.page-home .home-entries {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-ink);
}

.page-home .home-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.page-home .home-entry__id {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.page-home .home-entry__title {
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .home-entry__meta {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 版本快照 ---------- */
.page-home .snapshot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-home .snapshot-grid__fields {
  display: grid;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .field-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.page-home .field-row__name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-home .field-row__value {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink);
}

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

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

.page-home .home-snapshot__caption {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-home .snapshot-note {
  margin: var(--space-6) 0 0;
  padding: var(--space-3);
  max-width: var(--measure);
  border: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thick) solid var(--color-accent);
  background: var(--color-surface);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink);
}

.page-home .snapshot-note a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 运营主体 ---------- */
.page-home .home-operator__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: end;
}

.page-home .home-operator__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-home .home-operator__text {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-contrast-ink);
}

.page-home .home-operator__text a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .home-operator__cta {
  justify-self: start;
}

/* ---------- 焦点可见性 ---------- */
.page-home a:focus-visible,
.page-home .city-card__link:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-entry {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: var(--space-1) var(--space-3);
    align-items: baseline;
  }

  .page-home .home-entry__meta {
    grid-column: 2;
  }

  .page-home .field-row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }

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

@media (min-width: 760px) {
  .page-home .city-band {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
  }

  .page-home .city-card--bj {
    grid-column: span 5;
  }

  .page-home .city-card--sh {
    grid-column: span 7;
  }

  .page-home .city-card--sz {
    grid-column: span 7;
  }

  .page-home .city-card--gz {
    grid-column: span 5;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-home .snapshot-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-home .home-operator__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    animation: none !important;
    transition: none !important;
  }
}