/* ============================================================
   首页 · page-home
   ============================================================ */

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

/* ---------------- 首屏 ---------------- */

.page-home .home-hero {
  position: relative;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: calc(var(--space-8) + var(--space-3)) calc(var(--space-8) + var(--space-4));
  overflow: hidden;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  height: var(--border-thick);
  background-color: var(--color-primary);
  opacity: 0.85;
}

.page-home .home-hero__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.page-home .home-hero__copy {
  min-width: 0;
}

.page-home .home-hero__kicker {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.18em;
  color: var(--color-contrast-accent);
}

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

.page-home .home-hero__lede {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

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

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  max-width: 288px;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-hero__caption {
  margin-top: var(--space-2);
  max-width: 288px;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-home .home-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-stat {
  min-width: 0;
}

.page-home .home-stat__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-home .home-stat__unit {
  margin-left: 0.18em;
  font-size: var(--text-base);
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
}

.page-home .home-stat__label {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.page-home .home-hero__entries {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-hero__entry {
  display: block;
  padding: var(--space-3) 0 var(--space-2);
  text-decoration: none;
  color: inherit;
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 240ms ease, transform 240ms ease;
}

.page-home .home-hero__entry-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-home .home-hero__entry-text {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-home .home-hero__entry:hover,
.page-home .home-hero__entry:focus-visible {
  border-bottom-color: var(--color-contrast-accent);
  transform: translateX(var(--space-1));
}

/* ---------------- 01 两条主线 ---------------- */

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

.page-home .home-lanes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.page-home .home-lane {
  position: relative;
  padding: var(--space-4) 0 0;
  border-top: var(--border-thick) solid var(--color-line);
}

.page-home .home-lane--lead {
  border-top-color: var(--color-primary);
}

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

.page-home .home-lane--lead .home-lane__title {
  font-size: var(--text-3xl);
  color: var(--color-ink);
}

.page-home .home-lane__text {
  margin: var(--space-3) 0 var(--space-4);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .home-lane:hover .home-lane__text {
  transform: translateX(var(--space-1));
  transition: transform 240ms ease;
}

/* ---------------- 02 核参数 ---------------- */

.page-home .home-params__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

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

.page-home .home-params__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-line);
}

.page-home .home-params__caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

.page-home .home-params__index {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-primary);
}

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

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

.page-home .home-params__list {
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

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

.page-home .home-params__term {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  letter-spacing: 0.06em;
  color: var(--color-ink);
}

.page-home .home-params__term::before {
  content: "—";
  margin-right: var(--space-2);
  color: var(--color-primary);
}

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

.page-home .home-params__body .link-arrow {
  display: inline-block;
  margin-top: var(--space-4);
}

/* ---------------- 03 覆盖城市 ---------------- */

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

.page-home .home-cities__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

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

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

.page-home .home-cities__head {
  max-width: var(--measure);
}

.page-home .home-cities__index {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-contrast-accent);
}

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

.page-home .home-cities__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

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

.page-home .home-cities__group-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-home .home-cities__track {
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: 0 0 var(--space-2);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-cities__track::-webkit-scrollbar {
  height: 4px;
}

.page-home .home-cities__track::-webkit-scrollbar-thumb {
  background-color: var(--color-contrast-line);
}

.page-home .home-city {
  flex: 0 0 auto;
  min-width: 140px;
  scroll-snap-align: start;
}

.page-home .home-city__tick {
  display: block;
  width: 40px;
  height: var(--border-thick);
  margin-bottom: var(--space-3);
  background-color: var(--color-contrast-accent);
}

.page-home .home-city__tick--soft {
  background-color: var(--color-contrast-line);
}

.page-home .home-city__name {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  letter-spacing: 0.08em;
  color: var(--color-contrast-ink);
}

/* ---------------- 04 对接收束 ---------------- */

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

.page-home .home-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.page-home .home-next__index {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-primary);
}

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

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

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

.page-home .home-next__list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-home .home-next__num {
  flex: 0 0 auto;
  min-width: 2ch;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.page-home .home-next__meta {
  margin: var(--space-4) 0 0;
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-highlight);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

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

.page-home .home-next__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-line);
}

.page-home .home-next__more {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

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

/* ---------------- 响应式 ---------------- */

@media (min-width: 640px) {
  .page-home .home-hero__entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
  }

  .page-home .home-params__row {
    grid-template-columns: 12ch minmax(0, 1fr);
    gap: var(--space-4);
    align-items: baseline;
  }

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

@media (min-width: 880px) {
  .page-home .home-hero__top {
    grid-template-columns: minmax(0, 1fr) 288px;
    gap: var(--space-8);
  }

  .page-home .home-lanes__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-8);
    align-items: start;
  }

  .page-home .home-params__grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-8);
  }

  .page-home .home-next__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-8);
  }
}

@media (min-width: 1080px) {
  .page-home .home-hero__stats {
    gap: var(--space-6);
  }
}