.page-home {
  --home-line: color-mix(in srgb, var(--color-ink) 9%, transparent);
  --home-grid-step: var(--space-8);
  background: var(--color-surface);
  color: var(--color-ink);
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin: 0;
}

.page-home .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-block: var(--space-6) var(--space-8);
  background-image: repeating-linear-gradient(
    90deg,
    var(--home-line) 0 var(--border-thin),
    transparent var(--border-thin) var(--home-grid-step)
  );
}

.page-home .hero__grid {
  display: grid;
  gap: var(--space-6);
}

.page-home .hero__lead .eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
}

.page-home .hero__title {
  font-size: var(--text-display);
  letter-spacing: -0.02em;
  max-width: 12ch;
  margin-bottom: var(--space-3);
}

.page-home .hero__lede {
  max-width: 46ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-4);
}

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

.page-home .hero__panel {
  position: relative;
  isolation: isolate;
  display: grid;
  align-content: end;
  gap: var(--space-4);
  min-height: 360px;
  padding: var(--space-6) var(--space-4) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-contrast-surface);
  overflow: hidden;
}

.page-home .hero__media {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: -1;
}

.page-home .hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.5;
}

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

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

.page-home .hero__figure {
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-primary);
}

.page-home .hero__figure:nth-child(2) {
  margin-left: var(--space-6);
  border-left-color: var(--color-accent);
}

.page-home .hero__figure:nth-child(3) {
  margin-left: var(--space-3);
  border-left-color: var(--color-contrast-line);
}

.page-home .hero__figure-label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
  margin: 0 0 var(--space-1);
}

.page-home .hero__figure-value {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-contrast-ink);
}

.page-home .hero__figure-unit {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-home .hero__strip {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .hero__strip-cell {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border-right: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .hero__strip-cell:nth-child(2n) {
  border-right: 0;
}

.page-home .hero__strip-cell:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-home .hero__strip-tier {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-home .hero__strip-num {
  font-size: var(--text-lg);
  color: var(--color-primary);
}

.page-home .hero__strip-unit {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .home-rule {
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-primary) 22%,
    var(--color-accent) 68%,
    transparent 100%
  );
}

/* ---------- 通用区块头 ---------- */
.page-home .tiers,
.page-home .warranty,
.page-home .coverage,
.page-home .channels,
.page-home .outreach {
  padding-block: var(--space-8);
}

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

.page-home .band-head {
  display: grid;
  gap: var(--space-2);
  max-width: 62ch;
  margin-bottom: var(--space-6);
}

.page-home .band-head .eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin: 0;
}

.page-home .band-head__title {
  font-size: var(--text-3xl);
  letter-spacing: -0.01em;
}

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

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

.page-home .link-arrow {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
  padding-bottom: 2px;
}

.page-home .link-arrow:hover {
  color: var(--color-focus);
}

.page-home .link-arrow:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

/* ---------- 四档对照 ---------- */
.page-home .tiers__figure {
  margin: 0 0 var(--space-4);
  padding: var(--space-1);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
}

.page-home .tiers__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-sm);
}

.page-home .table-scroll {
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  -webkit-overflow-scrolling: touch;
}

.page-home .tiers__caption {
  caption-side: top;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-home .data-table th,
.page-home .data-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--border-thin) solid var(--color-line);
  line-height: 1.6;
}

.page-home .data-table thead th {
  background: var(--color-surface-deep);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.page-home .data-table tbody th {
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  white-space: nowrap;
}

.page-home .data-table tbody tr:last-child th,
.page-home .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .data-table tbody tr {
  transition: background-color 160ms ease;
}

.page-home .data-table tbody tr:hover {
  background: var(--color-highlight);
}

.page-home .data-table td.num {
  color: var(--color-accent);
  white-space: nowrap;
}

.page-home .table-note {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-xs);
  line-height: 1.8;
  color: var(--color-ink-muted);
}

/* ---------- 保修口径 ---------- */
.page-home .warranty {
  background: var(--color-surface);
}

.page-home .warranty__band {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .warranty__figure {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
}

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

.page-home .warranty__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.04em;
}

.page-home .warranty__unit {
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

.page-home .warranty__note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-home .warranty__cols {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.page-home .warranty__col-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

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

.page-home .warranty__list li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .warranty__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: var(--space-2);
  height: var(--border-thick);
  background: var(--color-primary);
}

.page-home .warranty__list--plain li::before {
  background: var(--color-accent);
}

.page-home .warranty__aside {
  margin: var(--space-3) 0 0;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-home .warranty__aside a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .warranty__aside a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 覆盖与本地服务 ---------- */
.page-home .coverage {
  background: var(--color-surface-alt);
}

.page-home .coverage__grid {
  display: grid;
  gap: var(--space-6);
}

.page-home .coverage__figure {
  margin: 0;
  padding: var(--space-1);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
}

.page-home .coverage__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-sm);
}

.page-home .coverage__caption {
  padding: var(--space-2) var(--space-2) var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-home .segmented__panel {
  padding: var(--space-3) 0 0;
}

.page-home .segmented__num {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-accent);
}

.page-home .segmented__unit {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

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

.page-home .coverage__local {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .coverage__local-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

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

.page-home .coverage__local-foot {
  margin: 0;
}

.page-home .coverage__local-figure {
  margin: 0;
  padding: var(--space-1);
  border: var(--border-thin) solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.page-home .coverage__local-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-sm);
}

/* ---------- 栏目分流 ---------- */
.page-home .channels {
  background: var(--color-surface);
}

.page-home .channels__grid {
  display: grid;
  gap: var(--gutter);
}

.page-home .channel {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-top: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  color: inherit;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.page-home .channel:hover {
  background: var(--color-primary-soft);
  border-top-color: var(--color-accent);
}

.page-home .channel:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

.page-home .channel--wide {
  border-top-color: var(--color-accent);
}

.page-home .channel__index {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-ink-muted);
}

.page-home .channel__title {
  font-size: var(--text-xl);
}

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

.page-home .channel__meta {
  display: inline-block;
  justify-self: start;
  margin-top: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

/* ---------- 行动出口 ---------- */
.page-home .outreach {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .outreach__grid {
  display: grid;
  gap: var(--space-6);
}

.page-home .eyebrow--contrast {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-2);
}

.page-home .outreach__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.page-home .outreach__lede {
  margin: 0;
  max-width: 48ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

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

.page-home .outreach__path {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-left: var(--border-thick) solid var(--color-contrast-accent);
  border-radius: var(--radius-sm);
}

.page-home .outreach__label {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
  margin-bottom: var(--space-1);
}

.page-home .outreach__value {
  margin: 0 0 var(--space-1);
  font-size: var(--text-base);
  color: var(--color-contrast-ink);
  word-break: break-word;
}

.page-home .outreach__hint {
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.75;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.page-home .outreach__path--accent {
  background: color-mix(in srgb, var(--color-contrast-accent) 22%, transparent);
}

.page-home .outreach .btn--block {
  justify-self: stretch;
  text-align: center;
}

/* ---------- 中屏 ---------- */
@media (min-width: 720px) {
  .page-home .hero__strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .hero__strip-cell {
    border-bottom: 0;
  }

  .page-home .hero__strip-cell:nth-child(2n) {
    border-right: var(--border-thin) solid var(--color-line);
  }

  .page-home .hero__strip-cell:last-child {
    border-right: 0;
  }

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

  .page-home .warranty__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .channel--wide {
    grid-column: 1 / -1;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: var(--space-4);
    align-items: baseline;
  }

  .page-home .channel--wide .channel__index,
  .page-home .channel--wide .channel__title,
  .page-home .channel--wide .channel__text,
  .page-home .channel--wide .channel__meta {
    grid-column: 2;
  }
}

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

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--space-6) var(--gutter);
    align-items: start;
  }

  .page-home .hero__panel {
    margin-right: calc(var(--space-3) * -1);
    min-height: 420px;
  }

  .page-home .coverage__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-home .coverage__local {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-home .channels__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .channels__grid .channel {
    grid-column: span 2;
  }

  .page-home .channels__grid .channel--wide {
    grid-column: span 2;
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-home .channels__grid .channel:nth-child(4) {
    grid-column: span 3;
  }

  .page-home .channels__grid .channel:nth-child(5) {
    grid-column: span 3;
  }

  .page-home .outreach__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: var(--space-8);
    align-items: start;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1100px) {
  .page-home .band-head {
    max-width: 66ch;
  }

  .page-home .warranty__band {
    padding: var(--space-8) var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .channel,
  .page-home .data-table tbody tr {
    transition: none;
  }
}