.page-home {
  --home-rotate: -2deg;
  --home-glow: color-mix(in srgb, var(--color-primary) 20%, transparent);
  --home-glow-accent: color-mix(in srgb, var(--color-accent) 18%, transparent);
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero {
  position: relative;
  padding: var(--space-6) 0 var(--section-y);
  background: var(--color-surface);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: min(620px, 80%);
  height: min(620px, 80%);
  background: radial-gradient(circle at 60% 40%, var(--home-glow) 0%, transparent 68%);
  pointer-events: none;
}

.page-home .hero-inner {
  position: relative;
  display: grid;
  gap: var(--space-6);
}

.page-home .hero-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
}

.page-home .hero-eyebrow-text {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  text-transform: uppercase;
}

.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: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  word-break: break-word;
}

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

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

.page-home .hero-collage {
  position: relative;
}

.page-home .hero-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

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

.page-home .hero-card {
  position: relative;
  margin: calc(var(--space-4) * -1) 0 0 var(--space-3);
  padding: var(--space-4) var(--space-3) var(--space-3);
  transform: rotate(var(--home-rotate));
}

.page-home .hero-card-title {
  margin: var(--space-2) 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-home .hero-card-note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

.page-home .hero-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .figure-cell {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-3) var(--space-3);
  background: var(--color-surface-alt);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
}

.page-home .figure-num {
  font-family: var(--font-heading);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

.page-home .figure-num--accent {
  color: var(--color-accent);
}

.page-home .figure-label {
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-home .figure-note {
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ---------- 通用区块标题 ---------- */
.page-home .section-head {
  max-width: var(--measure);
}

.page-home .section-title {
  margin: 0 0 var(--space-2);
  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);
}

.page-home .section-lede {
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 区域对照 ---------- */
.page-home .regions-grid {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-6) 0 0;
}

.page-home .region-card {
  position: relative;
  padding: var(--space-6) var(--space-3) var(--space-4);
}

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

.page-home .region-audience {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-home .region-list {
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-home .region-list li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink);
}

.page-home .region-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: var(--space-1);
  height: var(--border-thick);
  background: var(--color-accent);
}

.page-home .region-link {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 45%, transparent);
  padding-bottom: 2px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-home .region-link:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent);
}

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

.page-home .regions-media {
  margin: var(--space-6) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

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

/* ---------- 保修三档 ---------- */
.page-home .warranty-inner {
  display: grid;
  gap: var(--space-6);
}

.page-home .warranty-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-home .warranty-row {
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
}

.page-home .warranty-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.page-home .warranty-year {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .warranty-fit {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-home .warranty-track {
  position: relative;
  height: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-surface-deep);
  overflow: hidden;
}

.page-home .warranty-fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.page-home .warranty-fill--2 { width: 25%; }
.page-home .warranty-fill--5 { width: 62%; }
.page-home .warranty-fill--8 { width: 100%; }

.page-home .warranty-desc {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-home .warranty-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

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

.page-home .warranty-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .warranty-action-text {
  margin: 0;
  max-width: 46ch;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

/* ---------- 教程与动态 ---------- */
.page-home .flow-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-home .flow-steps {
  position: relative;
  padding: var(--space-6) var(--space-3) var(--space-4);
}

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

.page-home .flow-text {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-home .flow-step-list {
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-home .flow-step-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-home .step-idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.page-home .flow-feed {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-3);
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
}

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

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

.page-home .feed-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-home .feed-item {
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .feed-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-home .feed-time {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .feed-title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .feed-desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-home .feed-more {
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 45%, transparent);
  align-self: flex-start;
  transition: transform 0.2s ease;
}

.page-home .feed-more:hover {
  transform: translateY(-2px);
}

/* ---------- 合作档位 ---------- */
.page-home .plans-head {
  max-width: var(--measure);
}

.page-home .plans-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.page-home .plan-card {
  padding: var(--space-4) var(--space-3);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-home .plan-card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.page-home .plan-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.page-home .plan-card--accent {
  border-top: var(--border-thick) solid var(--color-accent);
}

.page-home .plan-name {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .plan-fit {
  margin: 0 0 var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-home .plan-meta {
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

.page-home .plans-foot {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-home .plans-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

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

.page-home .plans-addon {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-3);
  background: var(--color-surface);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
}

.page-home .plans-addon-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-ink);
}

.page-home .addon-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-home .addon-list li {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-home .addon-name {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
}

/* ---------- 反色收束 ---------- */
.page-home .closing {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--section-y) 0;
}

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

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

.page-home .closing-text {
  margin: 0 0 var(--space-3);
  max-width: 52ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-home .closing-link {
  color: var(--color-contrast-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-accent) 55%, transparent);
}

.page-home .closing-link:hover {
  border-color: var(--color-contrast-accent);
}

.page-home .closing-channels {
  margin: 0;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4) 0 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .channel dt {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
  margin-bottom: var(--space-1);
}

.page-home .channel dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  word-break: break-word;
}

.page-home .channel-link {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .channel-link:hover {
  color: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
}

.page-home .closing-btn {
  justify-self: start;
}

/* ---------- 返回顶部 ---------- */
.page-home .to-top {
  position: fixed;
  right: var(--space-2);
  bottom: var(--space-2);
  z-index: 20;
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  background: var(--color-contrast-surface);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.2s ease;
}

.page-home .to-top:hover {
  transform: translateY(-2px);
}

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

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-home .hero {
    padding-top: var(--space-8);
  }

  .page-home .hero-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-home .warranty-row {
    padding: var(--space-4);
  }

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

  .page-home .closing-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-home .closing-btn {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: var(--space-8);
  }

  .page-home .hero-collage {
    padding-bottom: var(--space-6);
  }

  .page-home .hero-card {
    position: absolute;
    left: calc(var(--space-4) * -1);
    bottom: 0;
    width: min(320px, 78%);
    margin: 0;
  }

  .page-home .regions-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-home .region-card:nth-child(2) {
    margin-top: var(--space-6);
  }

  .page-home .region-card:nth-child(3) {
    margin-top: var(--space-3);
  }

  .page-home .regions-media {
    width: 62%;
    margin-left: auto;
    margin-right: calc(var(--space-6) * -1);
  }

  .page-home .warranty-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    grid-template-areas:
      "copy list"
      "media list"
      "action action";
    align-items: start;
    gap: var(--space-6) var(--space-8);
  }

  .page-home .warranty-copy { grid-area: copy; }
  .page-home .warranty-list { grid-area: list; }
  .page-home .warranty-media { grid-area: media; }
  .page-home .warranty-action {
    grid-area: action;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-home .flow-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: start;
  }

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

  .page-home .plans-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-home .plan-card:nth-child(2) { margin-top: var(--space-3); }
  .page-home .plan-card:nth-child(4) { margin-top: var(--space-3); }

  .page-home .plans-foot {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-8);
    align-items: center;
  }

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

  .page-home .closing-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 0;
    padding-top: 0;
  }

  .page-home .closing-btn {
    grid-column: 1 / -1;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .region-link,
  .page-home .feed-more,
  .page-home .plan-card,
  .page-home .to-top {
    transition: none;
  }

  .page-home .region-link:hover,
  .page-home .feed-more:hover,
  .page-home .plan-card:hover,
  .page-home .to-top:hover {
    transform: none;
  }
}