/* ══════════════════════════════════════════
   page-home — 首页
   作用域：.page-home
   ══════════════════════════════════════════ */

.page-home {
  --home-offset-sm: calc(var(--space-3) * -1);
  --home-card-pad: var(--space-3);
  --home-band-gap: var(--space-2);
}

/* ── 通用：页内链接 ───────────────────── */
.page-home .home-link {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 1px;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}
.page-home .home-link:hover,
.page-home .home-link:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.page-home .home-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}
.page-home .home-link--onDark {
  color: var(--color-contrast-ink);
  border-bottom-color: var(--color-contrast-accent);
}
.page-home .home-link--onDark:hover,
.page-home .home-link--onDark:focus-visible {
  color: var(--color-contrast-accent);
}

/* ══ 首屏 ═══════════════════════════════ */
.page-home .home-hero {
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
  background: var(--color-surface);
  overflow: hidden;
}

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

.page-home .home-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  background: var(--color-primary-soft);
  border-radius: var(--radius-pill);
  padding: 6px 14px 6px 12px;
}

.page-home .home-hero__pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-contrast-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-contrast-accent) 22%, transparent);
}

.page-home .home-hero__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  line-height: 1.04;
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  text-wrap: balance;
  max-width: 15ch;
}

.page-home .home-hero__lede {
  margin: 0 0 var(--space-4);
  max-width: 60ch;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* 首屏图片 */
.page-home .home-hero__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  min-height: 260px;
}
.page-home .home-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 260px;
}
.page-home .home-hero__media-label {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-contrast-ink);
  max-width: 34ch;
}

/* 贯穿数据条 */
.page-home .home-strip__row {
  margin-top: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  padding: var(--space-4) var(--space-3);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  align-items: end;
  box-shadow: var(--shadow-2);
}

.page-home .home-strip__row .data-strip__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-contrast-line);
}

.page-home .home-strip__row .data-strip__value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-contrast-accent);
  display: block;
}

.page-home .home-strip__row .data-strip__label {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-home .home-strip__unit {
  font-size: 0.46em;
  margin-left: 2px;
  letter-spacing: 0;
}

.page-home .home-strip__date {
  font-size: var(--text-2xl) !important;
  color: var(--color-contrast-ink) !important;
}

.page-home .home-strip__item--note {
  border-left-color: var(--color-contrast-accent);
}

/* ══ 六区覆盖索引 ═══════════════════════ */
.page-home .home-regions__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-home .home-regions__intro {
  margin: 0;
  color: var(--color-ink-soft);
  align-self: end;
}

.page-home .home-regions__band {
  padding-bottom: var(--space-2);
}

.page-home .region-card {
  flex: 0 0 min(78vw, 296px);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--home-card-pad);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-top: 4px solid var(--region-tint, var(--color-primary));
  box-shadow: var(--shadow-1);
  transition: transform 200ms ease-out, box-shadow 200ms ease-out;
}
.page-home .region-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-home .region-card--a { --region-tint: var(--color-primary); }
.page-home .region-card--b { --region-tint: color-mix(in srgb, var(--color-primary) 72%, var(--color-surface-deep)); }
.page-home .region-card--c { --region-tint: var(--color-accent); }
.page-home .region-card--d { --region-tint: color-mix(in srgb, var(--color-accent) 70%, var(--color-surface-deep)); }
.page-home .region-card--e { --region-tint: color-mix(in srgb, var(--color-primary) 55%, var(--color-accent)); }
.page-home .region-card--f { --region-tint: var(--color-ink-muted); }

.page-home .region-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

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

.page-home .region-card__cities {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-home .region-card__count {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink);
}
.page-home .region-card__count .mono {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  margin-right: 4px;
  color: var(--region-tint, var(--color-primary));
}

.page-home .region-card__note {
  margin: 0;
  padding-top: var(--space-1);
  border-top: 1px dashed var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-home .home-regions__foot {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-highlight);
}

/* ══ 我们为谁解决问题 ═══════════════════ */
.page-home .home-audience__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-home .home-audience__aside-note {
  margin: var(--space-2) 0 0;
  max-width: 46ch;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

.page-home .home-audience__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-home .home-audience__item {
  position: relative;
  padding: var(--home-card-pad) var(--home-card-pad) var(--home-card-pad) calc(var(--space-3) + 4px);
  border-left: 3px solid var(--color-primary);
  background: var(--color-surface-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.page-home .home-audience__item:nth-child(2) { border-left-color: var(--color-accent); }
.page-home .home-audience__item:nth-child(3) { border-left-color: var(--color-highlight); }

.page-home .home-audience__label {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-home .home-audience__head {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

/* ══ 保修年限与网点对应 ═════════════════ */
.page-home .home-warranty__stage {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
}
.page-home .home-warranty__stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .home-warranty__body {
  position: relative;
  padding: var(--space-6) var(--space-3);
  color: var(--color-contrast-ink);
}

.page-home .home-warranty__head {
  max-width: 62ch;
  margin-bottom: var(--space-6);
}
.page-home .home-warranty__head .section-title {
  color: var(--color-contrast-ink);
}
.page-home .home-warranty__head .eyebrow {
  color: var(--color-contrast-accent);
}

.page-home .home-warranty__lede {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.9;
}

.page-home .warranty-ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

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

.page-home .warranty-ladder__bar {
  display: block;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-contrast-ink) 32%, transparent);
}
.page-home .warranty-ladder__step:nth-child(1) .warranty-ladder__bar { opacity: 0.45; }
.page-home .warranty-ladder__step:nth-child(2) .warranty-ladder__bar { opacity: 0.62; }
.page-home .warranty-ladder__step:nth-child(3) .warranty-ladder__bar { opacity: 0.8; }
.page-home .warranty-ladder__step:nth-child(4) .warranty-ladder__bar {
  opacity: 1;
  background: var(--color-contrast-accent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--color-contrast-accent) 45%, transparent);
}

.page-home .warranty-ladder__year {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  letter-spacing: 0.02em;
  color: var(--color-contrast-accent);
}

.page-home .warranty-ladder__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-home .home-warranty__foot {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-contrast-line);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  opacity: 0.9;
}

/* ══ 三档权益与加购 ════════════════════ */
.page-home .home-plans__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-home .home-plans__intro {
  margin: 0 0 var(--space-4);
  color: var(--color-ink-soft);
}

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

.page-home .plan-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-1);
}

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

.page-home .plan-card__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.page-home .plan-card__idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

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

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

.page-home .plan-card__feats {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-home .plan-card__feats li {
  position: relative;
  padding-left: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink);
}
.page-home .plan-card__feats li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 2px;
  background: var(--color-accent);
}

.page-home .plan-card .accordion {
  margin-top: auto;
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-1);
}
.page-home .plan-card .accordion__panel p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* 加购项 */
.page-home .home-plans__addons {
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-home .addon {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-surface-deep);
  border-left: 3px solid var(--color-highlight);
}
.page-home .addon__name {
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}
.page-home .addon__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-home .home-plans__advice {
  margin: var(--space-4) 0 0;
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-accent);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-home .home-plans__media {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.page-home .home-plans__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-1);
}
.page-home .home-plans__caption {
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

/* ══ 更新记录 ═══════════════════════════ */
.page-home .home-updates__stage {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  border-top: 2px solid var(--color-line);
  border-bottom: 2px solid var(--color-line);
}
.page-home .home-updates__stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .home-updates__body {
  position: relative;
  padding: var(--space-6) var(--space-3);
  color: var(--color-contrast-ink);
}

.page-home .home-updates__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-2);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-contrast-accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-contrast-accent) 46%, transparent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-contrast-accent);
}

.page-home .home-updates__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-contrast-accent);
  animation: home-blink 2.4s ease-in-out infinite;
}

@keyframes home-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.32; }
}

.page-home .home-updates__title {
  color: var(--color-contrast-ink);
  margin-bottom: var(--space-4);
}

.page-home .home-updates__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-contrast-line);
}

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

.page-home .home-updates__item-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-contrast-accent);
}

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

.page-home .home-updates__foot {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-contrast-ink);
  opacity: 0.88;
  max-width: var(--measure);
}

/* ══ 下一步 ═════════════════════════════ */
.page-home .home-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: end;
}

.page-home .home-next__text {
  margin: var(--space-2) 0 0;
  max-width: 58ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .home-next__side {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
}

.page-home .home-next__btn {
  width: 100%;
  justify-content: center;
}

.page-home .home-next__contact {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-muted);
}
.page-home .home-next__contact .mono {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
  letter-spacing: 0.01em;
}

.page-home .home-next__tail {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-home .home-next__brand-note {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-home .home-next__legal {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
}
.page-home .home-next__legal .home-link {
  color: var(--color-ink-muted);
  border-bottom-color: var(--color-line);
}
.page-home .home-next__legal .home-link:hover,
.page-home .home-next__legal .home-link:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ══ 响应式 ═════════════════════════════ */

/* ≥ 640px */
@media (min-width: 640px) {
  .page-home .home-strip__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-strip__item--lead {
    grid-column: 1 / -1;
  }
  .page-home .home-plans__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-plans__addons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-audience__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-updates__item {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }
}

/* ≥ 861px */
@media (min-width: 861px) {
  .page-home .home-hero {
    padding-top: var(--section-y-lg);
    padding-bottom: var(--space-8);
  }
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
    gap: var(--space-8);
    align-items: center;
  }
  .page-home .home-hero__media {
    margin-bottom: var(--space-6);
    min-height: 380px;
  }
  .page-home .home-hero__media img {
    min-height: 380px;
  }
  .page-home .home-strip__row {
    grid-template-columns: 1.55fr 0.72fr 1.05fr 0.9fr;
    padding: var(--space-4) var(--space-4);
    align-items: end;
  }
  .page-home .home-strip__item--lead {
    grid-column: auto;
  }
  .page-home .home-regions__head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
    align-items: end;
  }
  .page-home .home-regions__band {
    padding-bottom: var(--space-3);
  }
  .page-home .home-audience__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--space-8);
    align-items: start;
  }
  .page-home .home-audience__list {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }
  .page-home .home-warranty__body {
    padding: var(--space-8) var(--space-6);
  }
  .page-home .warranty-ladder {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
  }
  .page-home .home-plans__grid {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: var(--space-6);
    align-items: start;
  }
  .page-home .home-plans__media {
    position: sticky;
    top: var(--space-4);
  }
  .page-home .home-plans__cards {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }
  .page-home .home-plans__addons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-updates__body {
    padding: var(--space-8) var(--space-6);
  }
  .page-home .home-next__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--space-8);
  }
  .page-home .home-next__btn {
    width: auto;
  }
  .page-home .home-next__tail {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--space-6);
  }
}

/* ≥ 1080px */
@media (min-width: 1080px) {
  .page-home .home-plans__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .home-plans__addons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }
  .page-home .home-audience__list {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-home .home-audience__item {
    padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-4) + 4px);
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-home .home-updates__dot {
    animation: none;
  }
  .page-home .region-card,
  .page-home .home-link {
    transition: none;
  }
}
</main>