.page-home {
  display: block;
}

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

.page-home .hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 0;
  overflow: hidden;
}

.page-home .hero__media .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.08);
}

.page-home .hero__media .media__scrim {
  position: absolute;
  inset: 0;
  display: block;
  background-image: var(--overlay-scrim);
  background-color: transparent;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    114deg,
    color-mix(in srgb, var(--color-contrast-accent) 30%, transparent) 0 32%,
    transparent 32% 100%
  );
  clip-path: polygon(0 0, 62% 0, 40% 100%, 0 100%);
  opacity: 0.42;
}

.page-home .hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-8) var(--section-y);
}

.page-home .hero__title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.06;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  text-wrap: balance;
}

.page-home .hero__lede {
  margin: var(--space-3) 0 0;
  max-width: 44ch;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 86%, transparent);
}

.page-home .hero__meta {
  margin: var(--space-3) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.page-home .hero__figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--border-thin);
  background-color: var(--color-contrast-line);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-home .hero-figure {
  display: grid;
  align-content: start;
  gap: calc(var(--space-1) / 2);
  padding: var(--space-3);
  background-color: color-mix(in srgb, var(--color-contrast-surface) 88%, transparent);
  transition: background-color 160ms ease;
}

.page-home .hero-figure:hover {
  background-color: color-mix(in srgb, var(--color-contrast-surface) 74%, transparent);
}

.page-home .hero-figure__num {
  font-family: var(--font-mono);
  font-size: calc(var(--text-figure) * 0.78);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-accent);
}

.page-home .hero-figure__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-contrast-ink);
}

.page-home .hero-figure__note {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: color-mix(in srgb, var(--color-contrast-ink) 56%, transparent);
  transition: color 160ms ease;
}

.page-home .hero-figure:hover .hero-figure__note {
  color: color-mix(in srgb, var(--color-contrast-ink) 92%, transparent);
}

/* ---------- 区块头 ---------- */
.page-home .section-head {
  max-width: 62ch;
  margin-bottom: var(--space-6);
}

.page-home .section-head h2 {
  margin: var(--space-2) 0;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .section-head p {
  margin: 0;
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

/* ---------- 联赛切片 ---------- */
.page-home .leagues {
  display: grid;
  gap: var(--space-4);
}

.page-home .leagues__nav-title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-home .leagues__nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: calc(var(--space-1) / 2);
}

.page-home .leagues__nav a {
  display: block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  border-left: 2px solid var(--color-line);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease;
}

.page-home .leagues__nav a:hover,
.page-home .leagues__nav a:focus-visible {
  color: var(--color-accent);
  background-color: var(--color-highlight);
  border-left-color: var(--color-accent);
}

.page-home .leagues__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 78vw;
  gap: var(--space-3);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding-bottom: var(--space-3);
  scrollbar-width: thin;
  scrollbar-color: var(--color-line) transparent;
}

.page-home .slice {
  scroll-snap-align: start;
  display: grid;
  align-content: start;
  gap: var(--space-2);
  min-width: 0;
  padding: var(--space-3);
  background-color: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-home .slice:hover,
.page-home .slice:focus-within {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-2);
}

.page-home .slice__head {
  display: grid;
  gap: calc(var(--space-1) / 2);
}

.page-home .slice__name {
  margin: 0;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  color: var(--color-ink);
}

.page-home .slice__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .slice__boundary {
  display: block;
  height: 2px;
  border-radius: var(--radius-pill);
  background-color: var(--color-line);
  transform-origin: left center;
  transition: background-color 160ms ease, transform 160ms ease;
}

.page-home .slice:hover .slice__boundary,
.page-home .slice:focus-within .slice__boundary {
  background-color: var(--color-accent);
  transform: scaleY(2);
}

.page-home .slice__figure {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin: 0;
}

.page-home .slice__num {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

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

.page-home .slice__rows {
  margin: 0;
  display: grid;
  gap: calc(var(--space-1) / 2);
  font-size: var(--text-sm);
}

.page-home .slice__rows > div {
  display: grid;
  grid-template-columns: 3.6em minmax(0, 1fr);
  gap: var(--space-1);
  align-items: baseline;
}

.page-home .slice__rows dt {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .slice__rows dd {
  margin: 0;
  color: var(--color-ink);
}

/* ---------- 三条内容线 ---------- */
.page-home .lines {
  display: grid;
  gap: var(--space-4);
}

.page-home .line-card {
  display: grid;
  align-content: start;
  gap: var(--space-2);
  padding: var(--space-4);
  background-color: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.page-home .line-card:hover,
.page-home .line-card:focus-within {
  border-color: var(--color-accent);
  border-left-color: var(--color-accent);
  background-color: var(--color-highlight);
  box-shadow: var(--shadow-2);
}

.page-home .line-card__top {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.page-home .line-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  transition: color 160ms ease;
}

.page-home .line-card:hover .line-card__num,
.page-home .line-card:focus-within .line-card__num {
  color: var(--color-accent);
}

.page-home .line-card__title {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-home .line-card__title a {
  color: var(--color-ink);
  text-decoration: none;
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-size: 0% 2px;
  background-position: 0 100%;
  transition: background-size 160ms ease, color 160ms ease;
}

.page-home .line-card__title a:hover,
.page-home .line-card__title a:focus-visible {
  color: var(--color-accent);
  background-size: 100% 2px;
}

.page-home .line-card__desc {
  margin: 0;
  max-width: 54ch;
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-home .line-card__facts {
  list-style: none;
  margin: var(--space-1) 0 0;
  padding: var(--space-2) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-home .stat-num {
  margin-right: calc(var(--space-1) / 2);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

/* ---------- 口径与节奏 ---------- */
.page-home .cadence {
  display: grid;
  gap: var(--space-4);
}

.page-home .cadence__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.page-home .cadence__caption {
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-contrast-ink);
}

.page-home .cadence__body h2 {
  margin: var(--space-2) 0 var(--space-4);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-home .cadence-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  transition: border-color 160ms ease;
}

.page-home .cadence-item:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .cadence-item:hover {
  border-top-color: var(--color-accent);
}

.page-home .cadence-item__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-home .cadence-item__title {
  margin: 0 0 calc(var(--space-1) / 2);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .cadence-item__body p {
  margin: 0;
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-home .cadence-item__body a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  transition: color 150ms ease, border-color 150ms ease;
}

.page-home .cadence-item__body a:hover,
.page-home .cadence-item__body a:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- 勘误与合规 ---------- */
.page-home .errata {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: var(--section-y);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .errata__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 0;
  overflow: hidden;
}

.page-home .errata__media .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.1);
}

.page-home .errata__media .media__scrim {
  position: absolute;
  inset: 0;
  display: block;
  background-image: var(--overlay-scrim);
  background-color: transparent;
}

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

.page-home .errata__inner h2 {
  margin: var(--space-2) 0;
  max-width: 34ch;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-home .errata__lede {
  margin: 0;
  max-width: 62ch;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
  line-height: var(--leading-body);
}

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

.page-home .errata__channels li {
  display: grid;
  gap: calc(var(--space-1) / 2);
  padding-block: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .errata__channel-label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.page-home .errata__channel-value {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-contrast-accent);
  user-select: all;
  word-break: break-word;
}

.page-home .errata__note {
  margin: var(--space-4) 0 0;
  max-width: 68ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.page-home .errata__legal {
  margin: var(--space-2) 0 0;
  max-width: 68ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.page-home .errata__legal a {
  color: var(--color-contrast-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-accent) 50%, transparent);
  transition: border-color 150ms ease;
}

.page-home .errata__legal a:hover,
.page-home .errata__legal a:focus-visible {
  border-color: var(--color-contrast-accent);
}

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

.page-home .errata .btn--quiet {
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
}

.page-home .errata .btn--quiet:hover,
.page-home .errata .btn--quiet:focus-visible {
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-accent);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .leagues__track {
    grid-auto-columns: 44vw;
  }
}

@media (min-width: 900px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: var(--space-6);
    padding-block: var(--space-8) var(--section-y-lg);
  }

  .page-home .hero-figure__num {
    font-size: calc(var(--text-figure) * 0.7);
  }

  .page-home .leagues {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-home .leagues__track {
    grid-auto-columns: calc((100% - var(--space-6)) / 3);
  }

  .page-home .lines {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-home .line-card:nth-child(1) {
    grid-column: 1 / span 8;
  }

  .page-home .line-card:nth-child(2) {
    grid-column: 4 / span 9;
  }

  .page-home .line-card:nth-child(3) {
    grid-column: 6 / span 7;
  }

  .page-home .cadence {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-6);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-figure,
  .page-home .hero-figure__note,
  .page-home .leagues__nav a,
  .page-home .slice,
  .page-home .slice__boundary,
  .page-home .line-card,
  .page-home .line-card__num,
  .page-home .line-card__title a,
  .page-home .cadence-item,
  .page-home .cadence-item__body a,
  .page-home .errata__legal a {
    transition: none;
  }

  .page-home .slice:hover .slice__boundary,
  .page-home .slice:focus-within .slice__boundary {
    transform: none;
  }
}