/* ============================================================
   首页 · 夜间转播式拼贴
   作用域：.page-home
   ============================================================ */

.page-home {
  --home-rule: var(--border-thin) solid var(--color-line);
  --home-rule-dark: var(--border-thin) solid var(--color-contrast-line);
  --home-lift: calc(var(--space-3) * -1);
  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: hidden;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

.page-home .mono-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  padding-top: calc(var(--space-8) + var(--space-6));
  padding-bottom: var(--space-6);
  border-bottom: var(--home-rule);
}

.page-home .home-hero__context {
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-1);
  border-bottom: var(--home-rule);
  color: var(--color-ink-soft);
}

.page-home .home-hero__inner {
  display: grid;
  gap: var(--space-3);
}

.page-home .home-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

.page-home .home-hero__lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-3);
  max-width: 46ch;
}

.page-home .home-hero__points {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--home-rule);
}

.page-home .home-hero__points li {
  padding: var(--space-1) 0 var(--space-1) var(--space-3);
  border-bottom: var(--home-rule);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  position: relative;
}

.page-home .home-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  background: var(--color-primary);
}

.page-home .home-hero__media {
  position: relative;
  margin: 0;
  border: var(--home-rule);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-contrast-surface);
}

.page-home .home-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .home-hero__caption {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  margin: 0;
  padding: var(--space-1) var(--space-2);
  background: var(--overlay-scrim);
  color: var(--color-contrast-ink);
}

/* 三块错位深色数字面板 */

.page-home .home-hero__panels {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
  position: relative;
  z-index: 2;
}

.page-home .hero-panel {
  padding: var(--space-3);
  border: var(--home-rule-dark);
  border-radius: var(--radius-sm);
  border-left: var(--border-thick) solid var(--color-contrast-accent);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-home .hero-panel__label {
  margin: 0;
  color: var(--color-contrast-accent);
}

.page-home .hero-panel__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(var(--text-3xl), 8vw, var(--text-figure));
  line-height: 0.94;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-contrast-ink);
}

.page-home .hero-panel__unit {
  font-size: var(--text-lg);
  font-weight: var(--weight-body);
  letter-spacing: 0.06em;
  margin-left: var(--space-1);
  color: var(--color-contrast-ink);
}

.page-home .hero-panel__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

/* ---------- 赛事覆盖数据带 ---------- */

.page-home .coverage {
  position: relative;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--home-rule-dark);
  border-bottom: var(--home-rule-dark);
  padding: var(--space-6) 0 0;
  overflow: hidden;
}

.page-home .coverage__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
}

.page-home .coverage__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-home .coverage__head,
.page-home .coverage__ticker,
.page-home .coverage__ticks,
.page-home .coverage__foot {
  position: relative;
  z-index: 1;
}

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

.page-home .coverage__lede {
  margin: 0;
  max-width: 62ch;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-home .coverage__ticker {
  margin-top: var(--space-4);
  border-top: var(--home-rule-dark);
  border-bottom: var(--home-rule-dark);
}

.page-home .coverage__ticker .ticker-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
}

.page-home .coverage__ticker .ticker-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 0 0 auto;
  min-width: 232px;
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
  margin-right: var(--space-3);
  border-right: var(--home-rule-dark);
}

.page-home .coverage__ticker .ticker-item:last-child {
  border-right: 0;
}

.page-home .coverage__ticker .ticker-item .mono-label {
  color: var(--color-contrast-line);
}

.page-home .ticker-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.2;
  color: var(--color-contrast-ink);
}

.page-home .ticker-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

.page-home .coverage__ticker .ticker-item--live .ticker-name {
  color: var(--color-contrast-accent);
}

.page-home .coverage__ticker:hover .ticker-track,
.page-home .coverage__ticker:focus-within .ticker-track {
  animation-play-state: paused;
}

.page-home .coverage__ticks {
  height: 22px;
  border-bottom: var(--home-rule-dark);
  background-image:
    repeating-linear-gradient(90deg, var(--color-contrast-line) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, var(--color-contrast-accent) 0 1px, transparent 1px 140px);
  background-repeat: repeat-x;
  background-size: 100% 8px, 100% 22px;
  background-position: bottom left, bottom left;
}

.page-home .coverage__foot {
  margin: 0;
  padding-top: var(--space-3);
  padding-bottom: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

/* ---------- 栏目入口错位网格 ---------- */

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

.page-home .home-nav__grid {
  display: grid;
  gap: var(--space-3);
}

.page-home .nav-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--home-rule);
  border-radius: var(--radius-sm);
  color: inherit;
  text-decoration: none;
  transition: border-color 160ms linear;
}

.page-home .nav-card:hover,
.page-home .nav-card:focus-visible {
  outline: var(--border-thin) solid var(--color-primary);
  outline-offset: calc(var(--border-thin) * -1);
  border-color: var(--color-primary);
}

.page-home .nav-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  margin: 0;
  color: var(--color-ink);
}

.page-home .nav-card__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-home .nav-card__note {
  margin: 0;
  margin-top: auto;
  padding-top: var(--space-1);
  border-top: var(--home-rule);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--color-ink-muted);
  transition: color 160ms linear, letter-spacing 160ms linear, border-color 160ms linear;
}

.page-home .nav-card:hover .nav-card__note,
.page-home .nav-card:focus-visible .nav-card__note {
  color: var(--color-primary);
  letter-spacing: 0.13em;
  border-color: var(--color-primary);
}

.page-home .nav-card--b {
  background: var(--color-surface-alt);
}

.page-home .nav-card--c {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}

/* ---------- 档案结构 ---------- */

.page-home .fields__grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .fields__media {
  margin: 0;
  position: relative;
}

.page-home .fields__media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: var(--home-rule);
  border-radius: var(--radius-sm);
}

.page-home .fields__caption {
  margin: var(--space-1) 0 0;
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-alt);
  border: var(--home-rule);
  color: var(--color-ink-muted);
}

.page-home .fields__lede {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink-soft);
  max-width: 56ch;
}

.page-home .fields__list {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  border-top: var(--home-rule);
}

.page-home .fields__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-2) 0;
  border-bottom: var(--home-rule);
}

.page-home .fields__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-primary);
  min-width: 2.6ch;
}

.page-home .fields__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  margin: 0 0 4px;
  color: var(--color-ink);
}

.page-home .fields__text p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-home .fields__bridge {
  margin: 0 0 var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border-left: var(--border-thick) solid var(--color-primary);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-home .fields__bridge strong {
  color: var(--color-ink);
  font-weight: 600;
}

.page-home .fields__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  padding-bottom: 2px;
}

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

/* ---------- 更新与校验节奏 ---------- */

.page-home .cadence__grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .cadence__lede {
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink-soft);
  max-width: 54ch;
}

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

.page-home .cadence__step {
  position: relative;
  padding-left: var(--space-4);
  background-image: repeating-linear-gradient(
    180deg,
    var(--color-line) 0 1px,
    transparent 1px 9px
  );
  background-repeat: repeat-y;
  background-size: 1px 100%;
  background-position: 0 0;
}

.page-home .cadence__step .mono-label {
  display: block;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.page-home .cadence__step-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  margin: 0 0 4px;
  color: var(--color-ink);
}

.page-home .cadence__step p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-home .cadence__foot {
  margin: 0;
  padding-top: var(--space-2);
  border-top: var(--home-rule);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

.page-home .cadence__media {
  margin: 0;
  position: relative;
}

.page-home .cadence__media img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: var(--home-rule);
  border-radius: var(--radius-sm);
}

.page-home .cadence__caption {
  margin: var(--space-1) 0 0;
  color: var(--color-ink-muted);
}

/* ---------- 读者与使用场景 ---------- */

.page-home .usecases__head {
  max-width: 74ch;
  margin-bottom: var(--space-4);
}

.page-home .usecases__lede {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-home .usecases__grid {
  display: grid;
  gap: var(--space-3);
}

.page-home .usecase {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--home-rule);
  border-top: var(--border-thick) solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.page-home .usecase .mono-label {
  color: var(--color-accent);
}

.page-home .usecase__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  margin: 0;
  color: var(--color-ink);
}

.page-home .usecase__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-home .usecase__link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--color-primary);
  border-bottom: var(--border-thin) solid var(--color-primary);
  padding-bottom: 2px;
  align-self: flex-start;
}

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

.page-home .usecases__close {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: var(--home-rule);
}

.page-home .usecases__close p {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
  max-width: 74ch;
}

.page-home .usecases__close strong {
  color: var(--color-ink);
  font-weight: 600;
}

.page-home .usecases__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.page-home .usecases__links a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  padding-bottom: 2px;
}

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

/* ---------- 桌面布局 ---------- */

@media (min-width: 900px) {
  .page-home .home-hero {
    padding-top: calc(var(--space-8) + var(--space-8));
    padding-bottom: var(--space-8);
  }

  .page-home .home-hero__inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: end;
  }

  .page-home .home-hero__lead {
    grid-column: 1 / span 6;
    padding-bottom: var(--space-4);
  }

  .page-home .home-hero__media {
    grid-column: 6 / span 7;
    z-index: 1;
  }

  .page-home .home-hero__panels {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    margin-top: var(--home-lift);
  }

  .page-home .hero-panel--wide {
    grid-column: 1 / span 5;
  }

  .page-home .hero-panel--narrow {
    grid-column: 6 / span 3;
  }

  .page-home .hero-panel--mid {
    grid-column: 9 / span 4;
  }

  .page-home .hero-panel {
    min-height: 208px;
    justify-content: space-between;
  }

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

  .page-home .nav-card--a {
    grid-column: 1 / span 3;
  }

  .page-home .nav-card--b {
    grid-column: 4 / span 6;
    margin-top: calc(var(--space-3) * -1);
    margin-bottom: var(--space-3);
  }

  .page-home .nav-card--c {
    grid-column: 10 / span 3;
  }

  .page-home .nav-card--d {
    grid-column: 1 / span 7;
  }

  .page-home .nav-card--e {
    grid-column: 8 / span 5;
    margin-top: var(--space-4);
  }

  .page-home .nav-card--f {
    grid-column: 3 / span 7;
  }

  .page-home .fields__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: start;
  }

  .page-home .fields__media {
    grid-column: 1 / span 5;
    position: sticky;
    top: calc(var(--space-6) + var(--space-4));
  }

  .page-home .fields__caption {
    margin-left: var(--space-3);
    margin-top: calc(var(--space-3) * -1);
    position: relative;
    z-index: 2;
    display: inline-block;
  }

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

  .page-home .cadence__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: start;
  }

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

  .page-home .cadence__media {
    grid-column: 9 / span 4;
    margin-top: calc(var(--space-6) * -1);
  }

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

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

  .page-home .usecase:nth-child(1) {
    grid-column: 1 / span 4;
  }

  .page-home .usecase:nth-child(2) {
    grid-column: 5 / span 4;
    margin-top: var(--space-4);
  }

  .page-home .usecase:nth-child(3) {
    grid-column: 9 / span 4;
    margin-top: calc(var(--space-4) * -1);
  }
}

@media (min-width: 1120px) {
  .page-home .home-hero__lead {
    grid-column: 1 / span 6;
  }

  .page-home .usecases__close {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: end;
  }

  .page-home .usecases__close > p:first-child {
    grid-column: 1 / span 7;
    margin-bottom: 0;
  }

  .page-home .usecases__links {
    grid-column: 9 / span 4;
    justify-content: flex-end;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .coverage__ticker .ticker-track {
    animation: none;
    transform: none;
  }

  .page-home .nav-card,
  .page-home .nav-card__note,
  .page-home .fields__link,
  .page-home .usecase__link {
    transition: none;
  }
}