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

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

.page-home .hero__context {
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

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

.page-home .hero__intro {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

.page-home .hero__stats {
  list-style: none;
  margin: var(--space-8) 0 0;
  padding: var(--space-4);
  background: var(--color-surface-alt);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-home .hero__stats .stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

.page-home .hero__stats .stat-label {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-home .hero__grid {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-home .hero__copy p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-home .hero__copy .hero__jump {
  margin-bottom: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

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

.page-home .figure__frame {
  overflow: hidden;
  background: var(--color-surface-deep);
}

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

.page-home .figure__caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-home .hero__figure .figure__frame {
  aspect-ratio: 16 / 9;
}

/* ============ 赛季轮次轨道 ============ */
.page-home .season__title,
.page-home .landmarks-title,
.page-home .thickness-title,
.page-home .updates-title {
  margin: var(--space-2) 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 26ch;
}

.page-home .season__intro {
  margin: 0;
  max-width: var(--measure);
}

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

.page-home .season__figure .figure__frame {
  aspect-ratio: 1200 / 420;
}

.page-home .season__track-wrap {
  margin-top: var(--space-4);
}

.page-home .season-track {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
  padding-bottom: var(--space-3);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .season-track .track__item {
  flex: 0 0 76%;
  min-width: 220px;
  scroll-snap-align: start;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
}

.page-home .season-track .track__round {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-home .season-track__name {
  margin: var(--space-2) 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.25;
  color: var(--color-ink);
}

.page-home .season-track .track__meta {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-home .season__hint {
  margin: var(--space-2) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-align: right;
  color: var(--color-ink-muted);
}

/* ============ 完场节点 ============ */
.page-home .finish-node {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-6);
}

.page-home .finish-node__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-4);
}

.page-home .finish-node__round {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  letter-spacing: 0.04em;
  color: var(--color-contrast-accent);
}

.page-home .finish-node__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

/* ============ 四个数据地标 ============ */
.page-home .landmarks {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-home .landmarks__figure .figure__frame {
  aspect-ratio: 4 / 5;
}

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

.page-home .landmark {
  padding-block: var(--space-6);
}

.page-home .landmark:first-child {
  padding-top: 0;
}

.page-home .landmark + .landmark {
  border-top: 1px solid var(--color-line);
}

.page-home .landmark__no {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-home .landmark__name {
  margin: var(--space-2) 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: 1.1;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .landmark__name a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 3px;
  text-underline-offset: 0.14em;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}

.page-home .landmark__name a:hover,
.page-home .landmark__name a:focus-visible {
  color: var(--color-focus);
  text-decoration-color: var(--color-focus);
}

.page-home .landmark__desc {
  margin: 0;
  max-width: 46ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  transition: color 160ms ease;
}

.page-home .landmark:hover .landmark__desc {
  color: var(--color-ink);
}

.page-home .landmark__meta {
  margin: var(--space-2) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

/* ============ 档案厚度 ============ */
.page-home .thickness {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-home .thickness__figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-home .thickness__figures li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-home .thickness__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.page-home .thickness__label {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-home .thickness__body p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

/* ============ 动态与资料 ============ */
.page-home .updates {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

.page-home .update-item {
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-line);
}

.page-home .update-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .update-item__tag {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-home .update-item__title {
  margin: var(--space-2) 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.25;
  color: var(--color-ink);
}

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

.page-home .updates__aside {
  background: var(--color-surface);
  padding: var(--space-4);
}

.page-home .updates__aside-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.25;
  color: var(--color-ink);
}

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

.page-home .material-list li {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-home .material-list .mono {
  display: inline-block;
  min-width: 2.5em;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.page-home .updates__aside-note {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

/* ============ 收束 ============ */
.page-home .closing {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .closing__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

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

.page-home .closing__title {
  margin: var(--space-2) 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

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

.page-home .closing a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 0.16em;
}

.page-home .closing a:hover,
.page-home .closing a:focus-visible {
  color: var(--color-contrast-ink);
}

.page-home .closing__links {
  margin-bottom: 0;
}

.page-home .closing__figure .figure__frame {
  aspect-ratio: 12 / 5;
}

.page-home .closing__figure .figure__caption {
  color: var(--color-contrast-ink);
  opacity: 0.75;
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-home .hero__stats {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-home .season-track .track__item {
    flex-basis: 42%;
  }
}

@media (min-width: 960px) {
  .page-home .hero {
    padding-block: var(--space-8) var(--section-y-lg);
  }

  .page-home .hero__stats {
    grid-template-columns: repeat(4, 1fr);
    padding: var(--space-6);
  }

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

  .page-home .hero__copy {
    grid-column: 1 / span 6;
  }

  .page-home .hero__figure {
    grid-column: 8 / span 5;
  }

  .page-home .season__title,
  .page-home .landmarks-title,
  .page-home .thickness-title,
  .page-home .updates-title {
    font-size: var(--text-2xl);
  }

  .page-home .season-track .track__item {
    flex-basis: 22%;
  }

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

  .page-home .landmarks__figure {
    grid-column: 1 / span 4;
  }

  .page-home .landmarks__list {
    grid-column: 6 / span 7;
  }

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

  .page-home .thickness {
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
  }

  .page-home .thickness__figures {
    grid-column: 1 / span 5;
  }

  .page-home .thickness__body {
    grid-column: 7 / span 6;
  }

  .page-home .updates {
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
  }

  .page-home .updates__list {
    grid-column: 1 / span 7;
  }

  .page-home .updates__aside {
    grid-column: 9 / span 4;
    padding: var(--space-6);
  }

  .page-home .closing__inner {
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
    align-items: center;
  }

  .page-home .closing__copy {
    grid-column: 1 / span 5;
  }

  .page-home .closing__figure {
    grid-column: 7 / span 6;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .season-track {
    scroll-behavior: auto;
  }

  .page-home .landmark__name a,
  .page-home .landmark__desc {
    transition: none;
  }
}