.page-home {
  --home-rail: calc(var(--border-thick) * 2);
  --home-mark: 40px;
  --home-indent: 68px;
  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);
  overflow-x: clip;
}

.page-home .home-wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-home .home-section {
  padding: var(--section-y) 0;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  overflow: hidden;
}

.page-home .home-hero__grid {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-8) var(--gutter) var(--section-y-lg);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-home .home-hero__context {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

.page-home .home-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.96;
  letter-spacing: var(--tracking-heading);
  display: flex;
  flex-direction: column;
  overflow-wrap: break-word;
}

.page-home .home-hero__title span:last-child {
  color: var(--color-contrast-accent);
}

.page-home .home-hero__lead {
  max-width: 48ch;
  margin: var(--space-4) 0 0;
  font-size: var(--text-lg);
  line-height: 1.55;
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

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

.page-home .home-cta {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  padding: 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-decoration: none;
  border: var(--border-thick) solid transparent;
  border-radius: var(--radius-pill);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-home .home-cta--solid {
  background: var(--color-contrast-ink);
  color: var(--color-contrast-surface);
}

.page-home .home-cta--solid:hover,
.page-home .home-cta--solid:focus-visible {
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-home .home-cta--ghost {
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-home .home-cta--ghost:hover,
.page-home .home-cta--ghost:focus-visible {
  border-color: var(--color-contrast-ink);
  background: color-mix(in srgb, var(--color-contrast-ink) 12%, transparent);
}

.page-home .home-hero__aside {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

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

.page-home .hstat {
  padding: var(--space-3) var(--space-2) var(--space-2);
  background: color-mix(in srgb, var(--color-contrast-ink) 12%, transparent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.page-home .hstat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-contrast-ink);
}

.page-home .hstat__label {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
}

.page-home .home-hero__figure {
  position: relative;
  margin: 0;
  border: var(--border-thick) solid var(--color-contrast-line);
  overflow: hidden;
}

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

.page-home .home-hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: var(--space-1) var(--space-2);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

/* ---------- 区块标题 ---------- */
.page-home .home-head {
  max-width: var(--measure);
}

.page-home .home-head--wide {
  max-width: 52ch;
}

.page-home .home-head--tight {
  margin-bottom: var(--space-6);
}

.page-home .home-head__kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-primary);
}

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

.page-home .home-head__intro {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 版本主轴 ---------- */
.page-home .version-axis {
  background: var(--color-surface);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .vaxis {
  position: relative;
  list-style: none;
  margin: var(--space-8) 0 0;
  padding: 0;
}

.page-home .vaxis::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 10px;
  bottom: 10px;
  width: var(--home-rail);
  background: var(--color-primary);
}

.page-home .vaxis__item {
  position: relative;
  padding-left: var(--home-indent);
  margin-bottom: var(--space-6);
}

.page-home .vaxis__item:last-child {
  margin-bottom: 0;
}

.page-home .vaxis__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: var(--home-mark);
  height: var(--home-mark);
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--color-surface);
  border: var(--home-rail) solid var(--color-primary);
  z-index: 1;
}

.page-home .vaxis__item--current::before {
  background: var(--color-primary);
}

.page-home .vaxis__item--media::before {
  display: none;
}

.page-home .vaxis__body {
  padding: var(--space-3) 0 var(--space-4);
  border-top: var(--home-rail) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .vaxis__version {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-home .vaxis__badge {
  padding: 2px var(--space-2);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-radius: var(--radius-pill);
}

.page-home .vaxis__name {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.35;
  color: var(--color-ink);
}

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

.page-home .vaxis__fields {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-home .vaxis__field {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr);
  gap: var(--space-2);
  align-items: baseline;
}

.page-home .vaxis__key {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

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

.page-home .vaxis__figure {
  position: relative;
  margin: 0;
  border-top: var(--home-rail) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
  overflow: hidden;
}

.page-home .vaxis__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-home .vaxis__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: var(--space-1) var(--space-2);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.page-home .chip {
  display: inline-block;
  padding: 1px var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid transparent;
}

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

.page-home .chip--accent {
  background: var(--color-highlight);
  color: var(--color-accent);
}

/* ---------- 标签矩阵 ---------- */
.page-home .matrix-section {
  background: var(--color-surface-alt);
}

.page-home .matrix-band {
  position: relative;
  margin: var(--space-6) 0 0;
  overflow: hidden;
}

.page-home .matrix-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.page-home .matrix-band__caption {
  position: absolute;
  left: var(--space-2);
  bottom: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.page-home .tag-matrix {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-home .tag-matrix__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "label zone"
    "count zone";
  gap: var(--space-1) var(--space-3);
  align-items: center;
  padding: var(--space-4);
  text-decoration: none;
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-left: var(--home-rail) solid var(--color-primary);
  border-radius: var(--radius-pill);
  transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.page-home .tag-matrix__label {
  grid-area: label;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.2;
  color: var(--color-ink);
}

.page-home .tag-matrix__count {
  grid-area: count;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .tag-matrix__zone {
  grid-area: zone;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-home .tag-matrix__link:hover,
.page-home .tag-matrix__link:focus-visible {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.page-home .tag-matrix__link:hover .tag-matrix__label,
.page-home .tag-matrix__link:focus-visible .tag-matrix__label,
.page-home .tag-matrix__link:hover .tag-matrix__count,
.page-home .tag-matrix__link:focus-visible .tag-matrix__count,
.page-home .tag-matrix__link:hover .tag-matrix__zone,
.page-home .tag-matrix__link:focus-visible .tag-matrix__zone {
  color: var(--color-primary-ink);
}

/* ---------- 最近补入 ---------- */
.page-home .intake-band {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .home-head--deep .home-head__kicker {
  color: var(--color-contrast-accent);
}

.page-home .home-head--deep .home-head__title {
  color: var(--color-contrast-ink);
}

.page-home .home-head--deep .home-head__intro {
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.page-home .intake-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .intake {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  border-left: var(--home-rail) solid transparent;
}

.page-home .intake--new {
  background: color-mix(in srgb, var(--color-contrast-accent) 16%, transparent);
  border-left-color: var(--color-contrast-accent);
}

.page-home .intake__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-contrast-accent);
}

.page-home .intake__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.page-home .intake__desc {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-contrast-ink);
}

.page-home .intake__stage {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

/* ---------- 双主线 ---------- */
.page-home .dual-track {
  background: var(--color-surface);
}

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

.page-home .track-card {
  margin-top: var(--space-4);
  padding: var(--space-4) 0 var(--space-4) var(--space-4);
  border-left: var(--home-rail) solid var(--color-line);
}

.page-home .track-card--primary {
  border-left-color: var(--color-primary);
}

.page-home .track-card--accent {
  border-left-color: var(--color-accent);
}

.page-home .track-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-home .track-card__title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.3;
  color: var(--color-ink);
}

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

.page-home .track-card__link {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: var(--border-thin);
}

.page-home .track-card--accent .track-card__link {
  color: var(--color-accent);
}

.page-home .track-card__link:hover,
.page-home .track-card__link:focus-visible {
  color: var(--color-focus);
}

.page-home .dual-track__path {
  margin: var(--space-6) 0 0;
  padding: var(--space-4) 0 0;
  border-top: var(--home-rail) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
  max-width: var(--measure);
  padding-bottom: var(--space-4);
  color: var(--color-ink-soft);
}

.page-home .dual-track__aside {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-home .dual-track__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

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

.page-home .dual-track__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: var(--space-1) var(--space-2);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.page-home .dual-track__note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
  border-left: var(--border-thin) solid var(--color-line);
  padding-left: var(--space-3);
}

/* ---------- 栏目入口 ---------- */
.page-home .route-index {
  background: var(--color-surface-alt);
}

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

.page-home .route-index__item {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .route-index__link {
  display: grid;
  grid-template-columns: 3.2em minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num desc";
  gap: var(--space-1) var(--space-3);
  align-items: baseline;
  padding: var(--space-3) var(--space-2);
  text-decoration: none;
  transition: background-color 0.12s ease;
}

.page-home .route-index__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-home .route-index__name {
  grid-area: name;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.25;
  color: var(--color-ink);
}

.page-home .route-index__desc {
  grid-area: desc;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-home .route-index__link:hover,
.page-home .route-index__link:focus-visible {
  background: var(--color-primary-soft);
}

.page-home .route-index__link:hover .route-index__name,
.page-home .route-index__link:focus-visible .route-index__name {
  color: var(--color-primary);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .home-section {
    padding: var(--section-y-lg) 0;
  }

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

  .page-home .intake {
    grid-template-columns: 6.5em 9em minmax(0, 1fr) 12em;
    grid-template-areas: "num tag desc stage";
    align-items: baseline;
    gap: var(--space-3);
  }

  .page-home .intake__num { grid-area: num; }
  .page-home .intake__tag { grid-area: tag; }
  .page-home .intake__desc { grid-area: desc; }
  .page-home .intake__stage { grid-area: stage; text-align: right; }

  .page-home .home-head__title {
    font-size: var(--text-2xl);
  }
}

@media (min-width: 960px) {
  .page-home .home-hero::after {
    content: "";
    position: absolute;
    inset: 0 -2% 0 54%;
    background: var(--color-primary);
    clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
    z-index: 0;
  }

  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: var(--space-8);
    align-items: center;
    padding-top: var(--space-8);
    padding-bottom: var(--section-y-lg);
  }

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

  .page-home .hstat__num {
    font-size: var(--text-3xl);
  }

  .page-home .tag-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-home .tag-matrix__item:nth-child(2n) {
    transform: translateY(var(--space-4));
  }

  .page-home .dual-track__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: var(--space-8);
  }

  .page-home .route-index__link {
    grid-template-columns: 3.2em minmax(0, 0.5fr) minmax(0, 1fr);
    grid-template-areas: "num name desc";
    padding: var(--space-3) var(--space-3);
  }

  .page-home .vaxis__item {
    padding-left: 96px;
  }

  .page-home .vaxis::before {
    left: 18px;
  }
}

@media (min-width: 1180px) {
  .page-home .home-head__title {
    font-size: var(--text-3xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-cta,
  .page-home .tag-matrix__link,
  .page-home .route-index__link {
    transition: none;
  }

  .page-home .tag-matrix__item:nth-child(2n) {
    transform: none;
  }
}