.page-home {
  --home-rail-w: 132px;
  --home-hair: rgba(43, 38, 34, .12);
  --home-hair-soft: rgba(43, 38, 34, .07);
  display: block;
  background:
    repeating-linear-gradient(180deg, rgba(27, 58, 107, .035) 0 1px, transparent 1px 58px),
    var(--yh-cream);
  color: var(--yh-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .005em;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  text-wrap: balance;
}

.page-home a {
  color: inherit;
}

/* ---------- 封面 ---------- */
.page-home .cover {
  padding: clamp(16px, 2.6vw, 28px) 0 clamp(44px, 6vw, 88px);
}

.page-home .cover-grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(16px, 2.4vw, 28px);
}

.page-home .rail-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--yh-gauge);
  margin-bottom: 10px;
}

.page-home .rail-list {
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0 0 12px;
  overflow-x: auto;
  border-bottom: 2px solid var(--yh-sand);
  scrollbar-width: thin;
}

.page-home .rail-mark {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--yh-gauge);
  transition: color var(--dur) var(--ease);
}

.page-home .rail-mark::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yh-sand);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .rail-mark:hover,
.page-home .rail-mark:focus-within {
  color: var(--yh-blue);
}

.page-home .rail-mark:hover::before {
  background: var(--yh-copper);
}

.page-home .rail-mark[aria-current="true"] {
  color: var(--yh-blue);
  font-weight: 600;
}

.page-home .rail-mark[aria-current="true"]::before {
  background: var(--yh-copper);
  box-shadow: 0 0 0 4px rgba(201, 111, 46, .2);
}

.page-home .rail-note {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--yh-gauge);
}

.page-home .cover-stage {
  position: relative;
  margin-top: 18px;
}

.page-home .cover-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--grad-river-x);
}

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

.page-home .cover-type {
  position: relative;
  z-index: 2;
  margin-top: -52px;
  padding-top: 34px;
  background: linear-gradient(180deg, rgba(247, 243, 234, 0) 0%, rgba(247, 243, 234, .9) 16%, var(--yh-cream) 62%);
}

.page-home .cover-type h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.6vw, 76px);
  line-height: 1.08;
  letter-spacing: .03em;
  color: var(--yh-blue);
}

.page-home .cover-type .lede {
  max-width: 60ch;
  font-size: clamp(15.5px, 1.5vw, 18.5px);
  color: var(--yh-ink-soft);
}

.page-home .cover-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.page-home .index-link {
  display: block;
  padding-top: 14px;
  border-top: 3px solid var(--yh-blue);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .index-link:hover,
.page-home .index-link:focus-visible {
  border-color: var(--yh-copper);
  transform: translateY(-2px);
}

.page-home .index-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yh-copper-deep);
  margin-bottom: 6px;
}

.page-home .index-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  letter-spacing: .02em;
  color: var(--yh-blue);
  margin-bottom: 4px;
}

.page-home .index-text {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--yh-gauge);
}

/* ---------- 型号索引 ---------- */
.page-home .models {
  background: linear-gradient(180deg, var(--yh-silver) 0%, var(--yh-mist) 38%, var(--yh-mist) 100%);
  padding-block: clamp(52px, 7vw, 96px);
}

.page-home .filter-bar {
  margin: 26px 0 18px;
}

.page-home .model-track {
  gap: 18px;
  padding: 6px 4px 24px;
  scroll-padding-left: 4px;
}

.page-home .model-card {
  flex: 0 0 min(84vw, 330px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 18px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .model-card:hover,
.page-home .model-card:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-home .model-figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--grad-river-x);
}

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

.page-home .model-card .card-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--yh-blue-deep);
}

.page-home .model-card .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--yh-blue);
}

.page-home .copy-btn {
  padding: 3px 10px;
  border: 1px solid var(--yh-silver);
  border-radius: var(--pill);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--yh-blue);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .copy-btn:hover {
  border-color: var(--yh-copper);
  color: var(--yh-copper-deep);
}

.page-home .copy-btn.is-copied {
  border-color: var(--yh-celadon);
  background: var(--yh-celadon-light);
  color: var(--yh-celadon);
}

.page-home .spec-list {
  margin: 0;
  border-top: 1px solid var(--home-hair);
}

.page-home .spec-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 7px 0;
  border-bottom: 1px solid var(--home-hair-soft);
  font-size: 13px;
}

.page-home .spec-row dt {
  flex: none;
  color: var(--yh-gauge);
}

.page-home .spec-row dd {
  margin: 0;
  text-align: right;
  color: var(--yh-ink);
}

.page-home .spec-row--text dd {
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.5;
}

.page-home .model-card .card-meta {
  margin: 0;
  margin-top: auto;
}

.page-home .models-foot {
  margin: 22px 0 0;
}

/* ---------- 报修分流 ---------- */
.page-home .service {
  padding-block: clamp(52px, 7vw, 96px);
}

.page-home .flow {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.page-home .flow-step {
  position: relative;
  padding: 24px 0 24px 60px;
  border-top: 1px solid var(--home-hair);
}

.page-home .flow-step:last-child {
  border-bottom: 1px solid var(--home-hair);
}

.page-home .flow-num {
  position: absolute;
  left: 0;
  top: 26px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--yh-copper);
}

.page-home .flow-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2vw, 21px);
  letter-spacing: .02em;
  color: var(--yh-blue);
}

.page-home .flow-step p {
  margin: 0;
  max-width: 66ch;
  color: var(--yh-ink-soft);
}

.page-home .service-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
}

/* ---------- 平板场景 ---------- */
.page-home .tablet {
  background: linear-gradient(180deg, var(--yh-cream) 0%, var(--yh-mist) 100%);
  padding-block: clamp(52px, 7vw, 96px);
}

.page-home .tablet-grid {
  display: grid;
  gap: 28px;
}

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

.page-home .tablet-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .tablet-body .section-title {
  margin-bottom: 16px;
}

.page-home .tablet-body > p {
  margin: 0 0 18px;
  max-width: 62ch;
  color: var(--yh-ink-soft);
}

.page-home .scene-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .scene-list li {
  position: relative;
  padding-left: 20px;
  color: var(--yh-ink-soft);
}

.page-home .scene-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 9px;
  height: 2px;
  background: var(--yh-celadon);
}

.page-home .scene-list strong {
  color: var(--yh-blue);
}

.page-home .tablet-note {
  font-size: 13.5px;
  color: var(--yh-gauge);
}

.page-home .tablet-actions {
  margin: 0;
}

/* ---------- 季度校准 ---------- */
.page-home .calibration {
  position: relative;
  overflow: hidden;
  background: var(--yh-blue);
  color: var(--yh-cream);
  padding-block: clamp(56px, 8vw, 104px);
}

.page-home .cal-bg {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: .18;
}

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

.page-home .calibration .shell {
  position: relative;
  z-index: 1;
}

.page-home .calibration .eyebrow {
  color: var(--yh-silver);
}

.page-home .calibration .section-title {
  color: #fff;
}

.page-home .calibration .lede {
  color: rgba(247, 243, 234, .84);
  max-width: 62ch;
}

.page-home .cal-scale {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 46px 0 0;
  padding: 0;
  border-top: 2px solid rgba(200, 212, 227, .34);
}

.page-home .cal-node {
  position: relative;
  padding-top: 34px;
  font-family: var(--font-mono);
}

.page-home .cal-node::before {
  content: "";
  position: absolute;
  top: -9px;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--yh-blue);
  border: 2px solid rgba(200, 212, 227, .55);
}

.page-home .cal-node.is-current::before {
  background: var(--yh-copper);
  border-color: var(--yh-copper);
  box-shadow: 0 0 0 6px rgba(201, 111, 46, .24);
}

.page-home .cal-q {
  display: block;
  font-size: 15px;
  letter-spacing: .14em;
  color: #fff;
}

.page-home .cal-node.is-current .cal-q {
  color: var(--yh-copper);
}

.page-home .cal-note {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.5;
  color: rgba(247, 243, 234, .78);
}

.page-home .cal-notes {
  display: grid;
  gap: 16px;
  margin: 40px 0 0;
}

.page-home .cal-notes p {
  margin: 0;
  font-size: 14.5px;
  color: rgba(247, 243, 234, .86);
}

.page-home .cal-actions {
  margin: 28px 0 0;
}

.page-home .calibration .btn-quiet {
  color: var(--yh-cream);
  border-color: rgba(247, 243, 234, .45);
}

.page-home .calibration .btn-quiet:hover {
  border-color: var(--yh-copper);
  color: #fff;
}

/* ---------- 服务范围与联系 ---------- */
.page-home .reach {
  padding-block: clamp(52px, 7vw, 96px) clamp(60px, 8vw, 112px);
}

.page-home .reach-grid {
  display: grid;
  gap: 32px;
  margin-top: 34px;
}

.page-home .reach-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: var(--grad-river-x);
}

.page-home .reach-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .reach-stats .stat-value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--yh-blue);
}

.page-home .reach-stats .stat-label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--yh-gauge);
}

.page-home .reach-contact-line {
  margin: 0 0 12px;
  color: var(--yh-ink-soft);
  font-size: 14.5px;
}

.page-home .reach-list {
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .reach-list > div {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding-top: 10px;
  border-top: 1px solid var(--home-hair-soft);
}

.page-home .reach-list dt {
  flex: none;
  width: 80px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--yh-gauge);
  padding-top: 2px;
}

.page-home .reach-list dd {
  margin: 0;
  font-size: 14.5px;
  color: var(--yh-ink);
}

.page-home .reach-list a {
  text-decoration: none;
  border-bottom: 1px solid var(--yh-celadon);
  color: var(--yh-blue);
}

.page-home .reach-list a:hover {
  color: var(--yh-copper-deep);
  border-color: var(--yh-copper);
}

.page-home .reach-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .cover-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .cal-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-home .cover-grid {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    gap: 42px;
    align-items: start;
  }

  .page-home .rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }

  .page-home .rail-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 0 0 18px;
    border-bottom: 0;
    border-left: 2px solid var(--yh-sand);
    overflow: visible;
  }

  .page-home .rail-mark {
    padding: 11px 0;
  }

  .page-home .rail-mark::before {
    position: absolute;
    left: -24px;
    top: 50%;
    transform: translateY(-50%);
  }

  .page-home .cover-type {
    margin-top: -128px;
    padding-top: 70px;
    background: linear-gradient(180deg, rgba(247, 243, 234, 0) 0%, rgba(247, 243, 234, .9) 14%, var(--yh-cream) 58%);
  }

  .page-home .cover-type h1 {
    max-width: 16em;
  }

  .page-home .model-card {
    flex: 0 0 340px;
  }

  .page-home .tablet-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: 52px;
    align-items: center;
  }

  .page-home .reach-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-home .cover-type h1 {
    font-size: clamp(56px, 5.4vw, 86px);
  }

  .page-home .flow-step {
    padding-left: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index-link,
  .page-home .model-card,
  .page-home .rail-mark,
  .page-home .copy-btn {
    transition-duration: 1ms;
  }

  .page-home .index-link:hover,
  .page-home .model-card:hover,
  .page-home .model-card:focus-within {
    transform: none;
  }
}
<<<END>>>