.page-home {
  --home-gap: var(--space-4);
  --home-rule: var(--border-thin) solid var(--color-line);
}

/* ---------- 面包屑 ---------- */
.page-home .crumbs {
  padding-top: var(--space-4);
  padding-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}

.page-home .crumbs__sep {
  margin: 0 var(--space-1);
  color: var(--color-primary);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-8) var(--space-8);
}

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

.page-home .hero__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

.page-home .hero__kicker {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-contrast-accent);
}

.page-home .hero__kicker-bar {
  display: inline-block;
  width: var(--space-6);
  height: 2px;
  background: var(--color-primary);
}

.page-home .hero__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  text-wrap: balance;
}

.page-home .hero__mono {
  font-family: var(--font-mono);
  font-size: 0.82em;
  letter-spacing: -0.05em;
  color: var(--color-primary);
}

.page-home .hero__sub {
  max-width: 52ch;
  margin: 0 0 var(--space-6);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-home .hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: 0;
}

.page-home .hero__cta-row .btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-color: var(--color-primary);
}

.page-home .hero__cta-row .btn--ghost {
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
  background: transparent;
}

.page-home .hero__cta-row .btn--ghost:hover {
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-accent);
}

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

.page-home .hero__aside .label {
  color: var(--color-primary);
  background: transparent;
  border-color: var(--color-primary);
}

.page-home .hero__index {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
}

.page-home .hero__index-item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  grid-template-rows: auto auto;
  column-gap: var(--space-2);
  row-gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .hero__index-num {
  grid-row: span 2;
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.page-home .hero__index-link {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.3;
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: color 140ms ease-out, border-color 140ms ease-out;
}

.page-home .hero__index-link:hover,
.page-home .hero__index-link:focus-visible {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}

.page-home .hero__index-desc {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-contrast-ink);
  opacity: 0.66;
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: var(--space-8) 0 0;
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

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

.page-home .hero__stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-contrast-ink);
  opacity: 0.6;
}

.page-home .hero__stat-num {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-contrast-accent);
}

.page-home .hero__stat-unit {
  margin-left: var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  letter-spacing: 0;
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

.page-home .hero__figure {
  position: absolute;
  right: 0;
  bottom: calc(var(--space-8) * -1);
  width: 42%;
  max-width: 380px;
  margin: 0;
  opacity: 0.3;
  pointer-events: none;
  display: none;
}

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

/* ---------- 通用区块头 ---------- */
.page-home .sec-head {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: var(--home-rule);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-home .sec-head__step {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-primary);
}

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

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

/* ---------- 编号结构 ---------- */
.page-home .seg-code {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.page-home .seg {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
  color: var(--color-ink);
  background: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  cursor: default;
  transition: background-color 140ms ease-out, border-color 140ms ease-out;
}

.page-home .seg:hover,
.page-home .seg:focus-visible {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  outline: none;
}

.page-home .code-map {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-home .code-map__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--home-rule);
}

.page-home .code-map__key {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .code-map__dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--color-primary);
}

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

/* ---------- 旁注 ---------- */
.page-home .asym__aside .label {
  display: inline-block;
  margin-bottom: var(--space-2);
}

.page-home .note {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-primary);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.page-home .note--wide {
  max-width: var(--measure);
  margin-top: var(--space-6);
  border-left-color: var(--color-accent);
}

/* ---------- 城市层级 ---------- */
.page-home .layer {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .layer__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-4) 0 var(--space-4) var(--space-4);
  border-left: 2px solid var(--color-line);
  border-bottom: var(--home-rule);
}

.page-home .layer__item--l1 {
  border-left-color: var(--color-primary);
}

.page-home .layer__item--l2 {
  padding-left: var(--space-6);
  border-left-color: var(--color-primary-soft);
}

.page-home .layer__item--l3 {
  padding-left: var(--space-8);
  border-left-color: var(--color-highlight);
  border-bottom: none;
}

.page-home .layer__tag {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

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

.page-home .layer__meta {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

.page-home .layer__desc {
  margin: 0;
  max-width: 46ch;
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-ink-soft);
}

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

.page-home .fig-inline img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

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

/* ---------- 交付区间 ---------- */
.page-home .lead-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--home-rule);
}

.page-home .lead-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto auto;
  column-gap: var(--space-4);
  row-gap: var(--space-1);
  align-items: baseline;
  padding: var(--space-4) 0;
  border-bottom: var(--home-rule);
}

.page-home .lead-list__name {
  grid-column: 1 / -1;
  grid-row: 1;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .lead-list__range {
  grid-column: 1;
  grid-row: 2;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  letter-spacing: -0.04em;
  color: var(--color-primary);
  line-height: 1.1;
}

.page-home .lead-list__unit {
  grid-column: 1;
  grid-row: 3;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-home .lead-list__desc {
  grid-column: 2;
  grid-row: 2 / span 2;
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.page-home .lead-list__item--old .lead-list__range {
  color: var(--color-accent);
}

/* ---------- 保修比价 ---------- */
.page-home .tier-list {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .tier-list__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--home-rule);
}

.page-home .tier-list__year {
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
  color: var(--color-primary);
}

.page-home .tier-list__desc {
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.page-home .tier-sync {
  margin: 0 0 var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-highlight);
  border-left: 2px solid var(--color-accent);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-ink);
}

.page-home .tier-sync strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-heading);
  letter-spacing: -0.02em;
}

.page-home .tier-link {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.page-home .tier-link a {
  color: var(--color-accent);
  border-bottom: var(--border-thin) solid var(--color-accent);
  text-decoration: none;
}

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

/* ---------- 行动出口 ---------- */
.page-home .next-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

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

.page-home .next-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

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

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

.page-home .next-list__item {
  border-bottom: var(--home-rule);
}

.page-home .next-list__link {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-2) var(--space-4) 0;
  text-decoration: none;
  transition: background-color 140ms ease-out, padding-left 140ms ease-out;
}

.page-home .next-list__link:hover,
.page-home .next-list__link:focus-visible {
  background: var(--color-primary-soft);
  padding-left: var(--space-3);
  outline: none;
}

.page-home .next-list__tag {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-home .next-list__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  color: var(--color-ink);
}

.page-home .next-list__desc {
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.page-home .exit {
  margin-top: var(--space-8);
  padding: var(--space-6) var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-home .exit__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-home .exit__text {
  max-width: 52ch;
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-contrast-ink);
  opacity: 0.8;
}

.page-home .exit__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  font-size: var(--text-sm);
}

.page-home .exit__mail,
.page-home .exit__phone {
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
  color: var(--color-contrast-accent);
  text-decoration: none;
}

.page-home .exit__mail:hover,
.page-home .exit__mail:focus-visible,
.page-home .exit__phone:hover,
.page-home .exit__phone:focus-visible {
  text-decoration: underline;
  outline: none;
}

.page-home .exit__sep {
  color: var(--color-contrast-line);
}

.page-home .exit__copy {
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
  background: transparent;
}

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

.page-home .exit__fb {
  font-size: var(--text-xs);
  color: var(--color-contrast-accent);
  min-height: 1em;
}

.page-home .exit__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-home .exit__links a {
  display: inline-block;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  padding-bottom: 2px;
}

.page-home .exit__links a:hover,
.page-home .exit__links a:focus-visible {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
  outline: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-home .hero__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .sec-head {
    grid-template-columns: 3rem 1fr;
    align-items: baseline;
  }

  .page-home .sec-head__step {
    grid-row: 1 / span 2;
    padding-top: 0.35em;
  }

  .page-home .sec-title,
  .page-home .sec-lede {
    grid-column: 2;
  }

  .page-home .code-map__row {
    grid-template-columns: 12rem 1fr;
    gap: var(--space-4);
    align-items: baseline;
  }

  .page-home .tier-list__item {
    grid-template-columns: 7rem 1fr;
    gap: var(--space-4);
    align-items: baseline;
  }

  .page-home .lead-list__item {
    grid-template-columns: 10rem 1fr;
    grid-template-rows: auto auto;
  }

  .page-home .lead-list__name {
    grid-column: 1;
    grid-row: 1;
  }

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

  .page-home .lead-list__unit {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
  }

  .page-home .lead-list__desc {
    grid-column: 2;
    grid-row: 2;
  }

  .page-home .exit {
    grid-template-columns: 1.6fr 1fr;
    padding: var(--space-8) var(--space-6);
  }
}

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

  .page-home .hero__layout {
    grid-template-columns: 8fr 4fr;
    gap: var(--gutter);
  }

  .page-home .hero__aside {
    border-top: none;
    border-left: var(--border-thin) solid var(--color-contrast-line);
    padding-top: 0;
    padding-left: var(--space-4);
  }

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

  .page-home .next-layout {
    grid-template-columns: 5fr 7fr;
    gap: var(--gutter);
    align-items: start;
  }

  .page-home .next-figure {
    position: sticky;
    top: var(--space-8);
  }
}

@media (min-width: 1080px) {
  .page-home .sec-title {
    font-size: var(--text-3xl);
  }

  .page-home .sec-head {
    margin-bottom: var(--space-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .seg,
  .page-home .hero__index-link,
  .page-home .next-list__link {
    transition: none;
  }
}