.page-home {
  --home-panel-height: calc(var(--space-8) * 5);
  --home-row-inset: 14%;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-top: var(--space-8);
}

.page-home .hero__shell {
  position: relative;
}

.page-home .hero__eyebrow {
  margin: 0 0 var(--space-6);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.page-home .hero__stage {
  position: relative;
}

.page-home .hero__panel {
  position: absolute;
  display: block;
  z-index: 0;
  pointer-events: none;
}

.page-home .hero__panel--a {
  top: calc(var(--space-6) * -1);
  left: calc(var(--space-6) * -1);
  width: 62%;
  height: 58%;
  background: var(--color-primary-soft);
}

.page-home .hero__panel--b {
  top: 34%;
  right: calc(var(--space-4) * -1);
  width: 46%;
  height: 52%;
  background: var(--color-highlight);
}

.page-home .hero__title {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .hero__visual {
  position: relative;
  z-index: 1;
  margin: var(--space-6) 0 0;
}

.page-home .hero__intro {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

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

.page-home .hero__cta {
  justify-self: start;
}

.page-home .hero__band {
  margin-top: var(--space-8);
  padding-block: var(--space-8);
}

.page-home .hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-4);
  align-items: end;
}

.page-home .hero__figure {
  display: block;
}

.page-home .hero__figure-value {
  display: block;
  font-size: var(--text-figure);
  line-height: 1;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums lining-nums;
}

.page-home .hero__figure-label {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

/* ---------- 四城横条 ---------- */
.page-home .cities__skyline {
  margin: 0 0 var(--space-6);
  padding: var(--space-1);
  background: var(--color-surface-alt);
}

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

.page-home .cities__list {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .city-row {
  position: relative;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-6) 0 var(--space-6) var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .city-row__rule {
  position: absolute;
  left: 0;
  top: var(--space-6);
  bottom: var(--space-6);
  width: var(--border-thin);
  background: var(--color-line);
  transition: background-color 320ms ease-out;
}

.page-home .city-row:hover .city-row__rule,
.page-home .city-row:focus-within .city-row__rule {
  background: var(--color-accent);
}

.page-home .city-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3);
}

.page-home .city-row__name {
  margin: 0;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .city-row__count {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums lining-nums;
}

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

.page-home .city-row__facts {
  display: grid;
  gap: var(--space-3);
  margin: 0;
}

.page-home .city-row__fact {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr);
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .city-row__fact dt {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

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

.page-home .city-row__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-2) 0 0;
}

/* ---------- 口径与时效 ---------- */
.page-home .cadence__grid {
  display: grid;
  gap: var(--space-6);
}

.page-home .cadence__title {
  margin: var(--space-3) 0 0;
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .cadence__list {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

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

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

.page-home .cadence__mark {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-accent);
}

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

.page-home .cadence__item-desc {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .cadence__link {
  margin: var(--space-4) 0 0;
}

.page-home .cadence__figure {
  margin: 0;
  padding: var(--space-1);
  background: var(--color-surface-deep);
}

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

/* ---------- 订阅路径 ---------- */
.page-home .paths__list {
  border-top: var(--border-thin) solid var(--color-line);
}

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

.page-home .path-card__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-1) var(--space-4);
  align-items: baseline;
  padding: var(--space-4) 0;
  cursor: pointer;
  list-style: none;
}

.page-home .path-card__summary::-webkit-details-marker {
  display: none;
}

.page-home .path-card__index {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-variant-numeric: tabular-nums lining-nums;
}

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

.page-home .path-card__meta {
  grid-column: 2;
  grid-row: 2;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .path-card__sign {
  position: relative;
  grid-column: 3;
  grid-row: 1;
  width: 14px;
  height: 14px;
  align-self: center;
}

.page-home .path-card__sign::before,
.page-home .path-card__sign::after {
  content: "";
  position: absolute;
  background: var(--color-ink-muted);
  transition: transform 320ms ease-out, background-color 320ms ease-out;
}

.page-home .path-card__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-home .path-card__sign::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

.page-home .path-card[open] .path-card__sign::after {
  transform: scaleY(0);
}

.page-home .path-card[open] .path-card__sign::before {
  background: var(--color-accent);
}

.page-home .path-card__body {
  display: grid;
  gap: var(--space-3);
  padding: 0 0 var(--space-6);
}

.page-home .path-card__body p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 深度数据 ---------- */
.page-home .depth__list {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .depth__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-1) var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .depth__mark {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-variant-numeric: tabular-nums lining-nums;
}

.page-home .depth__name {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .depth__desc {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 信任与联系 ---------- */
.page-home .closing__grid {
  display: grid;
  gap: var(--space-6);
}

.page-home .closing__visual {
  margin: 0;
  padding: var(--space-1);
  background: var(--color-surface-alt);
}

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

.page-home .closing__panel {
  padding: var(--space-6);
  background: var(--color-surface-deep);
}

.page-home .closing__title {
  margin: var(--space-3) 0 0;
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .closing__lead {
  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 .closing__list {
  margin: var(--space-6) 0 0;
}

.page-home .closing__note {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-home .closing__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
  margin: var(--space-6) 0 0;
}

.page-home .closing__icp {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

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

  .page-home .hero__figure:nth-child(1) {
    padding-bottom: var(--space-8);
  }

  .page-home .hero__figure:nth-child(3) {
    padding-bottom: var(--space-4);
  }

  .page-home .hero__intro {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-home .hero__cta {
    justify-self: end;
  }

  .page-home .path-card__summary {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    gap: var(--space-4);
  }

  .page-home .path-card__meta {
    grid-column: 3;
    grid-row: 1;
  }

  .page-home .path-card__sign {
    grid-column: 4;
  }

  .page-home .path-card__body {
    padding-left: calc(var(--space-8) + var(--space-2));
  }

  .page-home .depth__item:nth-child(even) {
    padding-left: var(--home-row-inset);
  }
}

@media (min-width: 900px) {
  .page-home .hero__stage {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: start;
  }

  .page-home .hero__title {
    grid-column: 1 / 9;
    grid-row: 1;
  }

  .page-home .hero__visual {
    grid-column: 9 / 13;
    grid-row: 1;
    margin: calc(var(--space-8) * 1.5) 0 0;
  }

  .page-home .hero__panel--a {
    top: calc(var(--space-8) * -0.5);
    left: calc(var(--space-8) * -1);
    width: 56%;
    height: var(--home-panel-height);
  }

  .page-home .hero__panel--b {
    top: calc(var(--space-8) * 2.25);
    right: calc(var(--space-8) * -1);
    width: 40%;
    height: calc(var(--space-8) * 4);
  }

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

  .page-home .hero__figures {
    grid-template-columns: 0.75fr 1.3fr 0.95fr 1.15fr;
    gap: var(--space-4);
    align-items: end;
  }

  .page-home .hero__figure:nth-child(2) {
    padding-bottom: var(--space-2);
  }

  .page-home .city-row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    column-gap: var(--space-6);
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .page-home .city-row__rule {
    top: var(--space-8);
    bottom: var(--space-8);
  }

  .page-home .city-row__head {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .city-row__note {
    grid-column: 1;
    grid-row: 2;
  }

  .page-home .city-row__facts {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-content: start;
  }

  .page-home .city-row__links {
    grid-column: 1;
    grid-row: 3;
    margin-top: var(--space-2);
  }

  .page-home .cadence__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: var(--gutter);
    align-items: start;
  }

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

  .page-home .depth__item {
    grid-template-columns: auto minmax(0, 7fr) minmax(0, 4fr);
    align-items: baseline;
    gap: var(--space-2) var(--space-4);
  }

  .page-home .depth__mark {
    grid-row: 1;
  }

  .page-home .depth__name {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home .depth__desc {
    grid-column: 3;
    grid-row: 1;
    font-size: var(--text-sm);
  }

  .page-home .closing__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    column-gap: var(--space-8);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-home .hero__shell {
    padding-top: var(--space-4);
  }

  .page-home .cadence__grid {
    column-gap: var(--space-8);
  }
}
<<<END>>>