.page-home {
  --home-track: 0.08em;
  --home-tone-1: var(--color-primary);
  --home-tone-2: color-mix(in srgb, var(--color-primary) 64%, var(--color-surface));
  --home-tone-3: color-mix(in srgb, var(--color-primary) 32%, var(--color-surface));
  --home-tone-4: var(--color-accent);
  --home-tone-5: color-mix(in srgb, var(--color-accent) 52%, var(--color-surface));
  --home-tone-6: var(--color-ink-soft);
}

/* ---------- 章节目录（仅宽屏出现） ---------- */
.page-home .home-outline {
  display: none;
}

.page-home .home-outline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-home .home-outline__link {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  text-decoration: none;
  border-left: 2px solid var(--color-line);
  padding: var(--space-1) var(--space-2);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-home .home-outline__link.is-active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  padding-block: var(--space-8) var(--space-6);
  overflow: hidden;
}

.page-home .home-hero__grid {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

.page-home .home-hero__crumb {
  color: var(--color-contrast-ink);
  opacity: 0.72;
  margin-bottom: var(--space-2);
}

.page-home .home-hero__eyebrow {
  display: block;
  color: var(--color-contrast-accent);
  letter-spacing: var(--home-track);
  margin-bottom: var(--space-2);
}

.page-home .home-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--home-track);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-3);
}

.page-home .home-hero__lede {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
}

.page-home .home-hero__note {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.74;
  max-width: var(--measure);
  margin: 0;
}

.page-home .home-hero__figure {
  margin: 0;
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
}

.page-home .home-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-home .home-hero__metrics {
  margin-top: var(--space-6);
  border-top: 1px solid var(--color-contrast-line);
}

.page-home .home-hero .metric {
  border-top: none;
  border-left: 1px solid var(--color-contrast-line);
  padding: var(--space-3) var(--space-2) 0;
}

.page-home .home-hero .metric:first-child {
  border-left: none;
  padding-left: 0;
}

.page-home .home-hero .metric__label {
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

.page-home .home-hero .metric__value {
  color: var(--color-contrast-accent);
}

.page-home .home-hero .metric__unit {
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

/* ---------- 双维度入口 ---------- */
.page-home .home-axes__intro {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.page-home .home-axes__figure {
  margin: 0;
}

.page-home .home-axes__head .chapter__num {
  display: block;
  margin-bottom: var(--space-1);
}

.page-home .home-axes__grid {
  align-items: start;
}

.page-home .home-axes__col {
  margin-bottom: var(--space-3);
}

.page-home .home-axes__panel {
  height: 100%;
}

.page-home .home-axes__caption {
  text-align: left;
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  padding-bottom: var(--space-1);
}

.page-home .home-axes__list {
  margin: 0;
}

.page-home .home-axes__link {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-primary);
  white-space: nowrap;
}

.page-home .home-axes__link:hover {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
}

/* ---------- 十二分类横向带 ---------- */
.page-home .home-cat {
  overflow: hidden;
}

.page-home .home-cat__head {
  margin-bottom: var(--space-4);
}

.page-home .home-cat__head .chapter__num {
  display: block;
  margin-bottom: var(--space-1);
}

.page-home .home-cat__figure {
  margin: 0 0 var(--space-4);
}

.page-home .home-cat__track {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-3);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-cat__card {
  position: relative;
  flex: 0 0 232px;
  scroll-snap-align: start;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: var(--space-3) var(--space-2) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-home .home-cat__swatch {
  display: block;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-sm);
  background: var(--home-tone-1);
}

.page-home .home-cat__card:nth-child(2) .home-cat__swatch { background: var(--home-tone-1); }
.page-home .home-cat__card:nth-child(3) .home-cat__swatch { background: var(--home-tone-2); }
.page-home .home-cat__card:nth-child(4) .home-cat__swatch { background: var(--home-tone-2); }
.page-home .home-cat__card:nth-child(5) .home-cat__swatch { background: var(--home-tone-3); }
.page-home .home-cat__card:nth-child(6) .home-cat__swatch { background: var(--home-tone-3); }
.page-home .home-cat__card:nth-child(7) .home-cat__swatch { background: var(--home-tone-4); }
.page-home .home-cat__card:nth-child(8) .home-cat__swatch { background: var(--home-tone-4); }
.page-home .home-cat__card:nth-child(9) .home-cat__swatch { background: var(--home-tone-5); }
.page-home .home-cat__card:nth-child(10) .home-cat__swatch { background: var(--home-tone-5); }
.page-home .home-cat__card:nth-child(11) .home-cat__swatch { background: var(--home-tone-6); }
.page-home .home-cat__card:nth-child(12) .home-cat__swatch { background: var(--home-tone-6); }

.page-home .home-cat__code {
  color: var(--color-ink-muted);
}

.page-home .home-cat__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  letter-spacing: var(--home-track);
  color: var(--color-ink);
  margin: 0;
}

.page-home .home-cat__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0;
  flex: 1;
}

.page-home .home-cat__count {
  color: var(--color-primary);
  border-top: 1px dotted var(--color-line);
  padding-top: var(--space-1);
}

.page-home .home-cat__footnote {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-home .home-cat__footnote a {
  color: var(--color-primary);
}

/* ---------- 归档流水 ---------- */
.page-home .home-stream__head {
  margin-bottom: var(--space-4);
}

.page-home .home-stream__head .chapter__num {
  display: block;
  margin-bottom: var(--space-1);
}

.page-home .home-batch {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  background: var(--color-surface);
  overflow: hidden;
}

.page-home .home-batch--current {
  border-left: 3px solid var(--color-accent);
}

.page-home .home-batch__toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  width: 100%;
  text-align: left;
  background: var(--color-surface-deep);
  border: none;
  border-bottom: 1px solid var(--color-line);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  font: inherit;
}

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

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

.page-home .home-batch__no {
  color: var(--color-primary);
  font-size: var(--text-base);
}

.page-home .home-batch__meta {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  flex: 1;
}

.page-home .home-batch__hint {
  color: var(--color-ink-muted);
}

.page-home .home-batch__body {
  padding: var(--space-2) var(--space-3) var(--space-3);
}

.page-home .home-batch__toggle[data-open="false"] + .home-batch__body {
  display: none;
}

.page-home .home-stream__table {
  margin: 0;
}

.page-home .home-stream__footnote {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-home .home-stream__footnote a {
  color: var(--color-primary);
}

/* ---------- 字段与来源 ---------- */
.page-home .home-fields__head {
  margin-bottom: var(--space-4);
}

.page-home .home-fields__head .chapter__num {
  display: block;
  margin-bottom: var(--space-1);
}

.page-home .home-fields__caption {
  text-align: left;
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  padding-bottom: var(--space-1);
}

.page-home .home-fields__table {
  margin-bottom: var(--space-4);
}

.page-home .home-fields__subtitle {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  letter-spacing: var(--home-track);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

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

.page-home .home-fields__source {
  border-top: 1px dotted var(--color-line);
  padding: var(--space-2) 0;
}

.page-home .home-fields__source p {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-home .home-fields__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-home .home-fields__note a {
  color: var(--color-primary);
}

.page-home .home-fields__figure {
  margin: 0;
}

/* ---------- 2025 记录线 ---------- */
.page-home .home-record__grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .home-record__num {
  display: block;
  color: var(--color-contrast-accent);
  margin-bottom: var(--space-1);
}

.page-home .home-record__title {
  color: var(--color-contrast-ink);
  letter-spacing: var(--home-track);
  margin: 0 0 var(--space-2);
}

.page-home .home-record__lede {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.88;
  max-width: var(--measure);
  margin: 0 0 var(--space-3);
}

.page-home .home-record__cta {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-contrast-accent);
  border-radius: var(--radius-sm);
  color: var(--color-contrast-ink);
  background: transparent;
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: var(--home-track);
}

.page-home .home-record__cta:hover {
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-home .home-record__facts {
  margin: 0;
  border-top: 1px solid var(--color-contrast-line);
}

.page-home .home-record__fact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  align-items: baseline;
  border-bottom: 1px solid var(--color-contrast-line);
  padding: var(--space-2) 0;
}

.page-home .home-record__fact dt {
  color: var(--color-contrast-ink);
  opacity: 0.66;
  flex: 0 0 auto;
}

.page-home .home-record__fact dd {
  margin: 0;
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
}

.page-home .home-record__more {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.8;
}

.page-home .home-record__more a {
  color: var(--color-contrast-accent);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-home .home-hero__grid {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-6);
  }

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

  .page-home .home-axes__intro {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: var(--space-6);
  }

  .page-home .home-record__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-6);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-home .home-hero {
    padding-block: var(--space-8);
  }

  .page-home .home-hero__grid {
    grid-template-columns: 2fr 1fr;
  }

  .page-home .home-hero__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .home-cat__card {
    flex: 0 0 264px;
  }

  .page-home .home-fields__grid {
    align-items: start;
  }
}

@media (min-width: 1500px) {
  .page-home .home-outline {
    display: block;
    position: fixed;
    top: 50%;
    right: var(--space-4);
    transform: translateY(-50%);
    z-index: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-outline__link,
  .page-home .home-batch__toggle {
    transition: none;
  }

  .page-home .home-cat__track {
    scroll-snap-type: none;
  }
}