.page-home {
  --home-hair: rgba(42, 50, 59, 0.7);
  --home-amber-soft: rgba(227, 167, 58, 0.5);
}

.page-home [id] {
  scroll-margin-top: calc(var(--header-h) + 28px);
}

/* ---------- 首屏：左声明 + 右竖排目录 ---------- */
.page-home .stage {
  position: relative;
  padding: 40px 0 76px;
  overflow: hidden;
}

.page-home .stage::before {
  content: "";
  position: absolute;
  inset: -10% -20% auto auto;
  width: min(760px, 78vw);
  height: min(760px, 78vw);
  background: radial-gradient(circle at center, rgba(79, 166, 255, 0.13), transparent 66%);
  pointer-events: none;
}

.page-home .stage-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
}

.page-home .stage-copy h1 {
  margin: 20px 0 24px;
  font-family: var(--font-display);
  font-size: clamp(32px, 7.4vw, 60px);
  font-weight: 700;
  line-height: 1.08;
  color: var(--cold);
  max-width: 18ch;
}

.page-home .stage-copy .lede {
  max-width: 46ch;
  margin: 0;
  color: var(--silver);
}

.page-home .stage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0 0;
}

.page-home .stage-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 18px;
  margin: 40px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--home-hair);
}

.page-home .stage-stat dt {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-home .stage-stat dd {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 24px);
  color: var(--cold);
}

.page-home .stage-stat__period {
  color: var(--amber);
}

.page-home .stage-side {
  position: relative;
}

.page-home .stage-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--panel);
}

.page-home .stage-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.66;
}

.page-home .stage-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(178deg, rgba(8, 10, 13, 0.06) 12%, rgba(8, 10, 13, 0.82) 100%);
  pointer-events: none;
}

.page-home .stage-reticle {
  position: absolute;
  right: 14px;
  top: 14px;
  width: 34px;
  height: 34px;
  color: var(--night);
  opacity: 0.72;
}

.page-home .stage-index {
  position: relative;
  z-index: 2;
  margin: -52px 14px 0;
  padding: 20px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(18, 23, 28, 0.9);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-island);
}

.page-home .stage-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-home .stage-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: idx;
}

.page-home .stage-index__list li {
  counter-increment: idx;
}

.page-home .stage-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--home-hair);
  color: var(--silver);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), padding-left var(--dur-fast) var(--ease);
}

.page-home .stage-index__list li:last-child a {
  border-bottom: 0;
}

.page-home .stage-index__list a::before {
  content: counter(idx, decimal-leading-zero);
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-home .stage-index__list a:hover,
.page-home .stage-index__list a:focus-visible {
  color: var(--cold);
  padding-left: 6px;
}

/* ---------- 型号家族 ---------- */
.page-home .models-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 44px;
}

.page-home .models-lead__copy h2,
.page-home .params-grid__copy h2,
.page-home .tabs__head h2,
.page-home .custom-copy h2,
.page-home .region-copy h2,
.page-home .faq-copy h2,
.page-home .closing-copy h2 {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 40px);
  font-weight: 700;
  line-height: 1.16;
  color: var(--cold);
}

.page-home .models-lead__copy p,
.page-home .params-grid__copy p,
.page-home .custom-copy p,
.page-home .region-copy p,
.page-home .faq-copy p,
.page-home .closing-copy p {
  margin: 0;
  color: var(--silver);
  max-width: 58ch;
}

.page-home .models-lead__figure {
  margin: 0;
}

.page-home .model-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .model-card {
  position: relative;
  padding: 22px 22px 24px;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}

.page-home .model-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(185, 194, 204, 0.05) 0 1px,
    transparent 1px 6px
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease);
}

.page-home .model-card:hover,
.page-home .model-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--home-amber-soft);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(227, 167, 58, 0.16);
}

.page-home .model-card:hover::after,
.page-home .model-card:focus-within::after {
  opacity: 1;
}

.page-home .model-card .card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.page-home .model-card .card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--cold);
}

.page-home .model-card__desc {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
}

.page-home .model-card__meta {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--home-hair);
}

.page-home .model-card__meta div + div {
  margin-top: 12px;
}

.page-home .model-card__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .model-card__meta dd {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--silver);
}

/* ---------- 参数与保养周期 ---------- */
.page-home .params-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: center;
}

.page-home .params-grid__figure {
  margin: 0;
}

.page-home .param-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 28px;
  padding: 0;
  list-style: none;
}

.page-home .timeline {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid var(--home-hair);
}

.page-home .timeline__head {
  margin-bottom: 28px;
}

.page-home .timeline__intro {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--silver);
  font-size: 15px;
}

.page-home .timeline__scroll {
  overflow-x: auto;
  padding-bottom: 10px;
  -webkit-overflow-scrolling: touch;
}

.page-home .timeline__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(124px, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .timeline__track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 5px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--amber) 55%, rgba(255, 106, 43, 0.35));
  opacity: 0.55;
}

.page-home .timeline__node {
  position: relative;
  padding: 26px 18px 0 0;
}

.page-home .timeline__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  background: var(--bg);
}

.page-home .timeline__year {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  color: var(--cold);
}

.page-home .timeline__note {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 场景选型三档 ---------- */
.page-home .tabs__head {
  max-width: 68ch;
}

.page-home .tabs__intro {
  margin: 0;
  color: var(--silver);
}

.page-home .tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 30px 0 30px;
}

.page-home .tab-panel[hidden] {
  display: none;
}

.page-home .scenario {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 26px 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(160deg, rgba(18, 23, 28, 0.92), rgba(8, 10, 13, 0.6));
}

.page-home .scenario__main h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--cold);
}

.page-home .scenario__main > p {
  margin: 0 0 20px;
  color: var(--silver);
  max-width: 56ch;
}

.page-home .scenario__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .scenario__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 12px 0;
  border-top: 1px solid var(--home-hair);
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .scenario__list span {
  flex: none;
  min-width: 5.5em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--night);
}

.page-home .scenario__aside {
  align-self: start;
  padding: 18px 20px;
  border: 1px solid var(--home-hair);
  border-left: 2px solid var(--amber);
  border-radius: var(--r-s);
  background: rgba(8, 10, 13, 0.55);
}

.page-home .scenario__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .scenario__price {
  margin: 10px 0 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 3.4vw, 26px);
  color: var(--amber);
}

.page-home .scenario__note {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 定制流程 ---------- */
.page-home .custom-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 38px;
}

.page-home .custom-copy .btn {
  margin-top: 26px;
}

.page-home .custom-steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-home .custom-steps::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--amber), rgba(227, 167, 58, 0.06));
}

.page-home .custom-steps li {
  position: relative;
  padding: 0 0 30px 54px;
  counter-increment: step;
}

.page-home .custom-steps li:last-child {
  padding-bottom: 0;
}

.page-home .custom-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
}

.page-home .custom-steps h3 {
  margin: 2px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--cold);
}

.page-home .custom-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--silver);
  max-width: 52ch;
}

/* ---------- 服务范围 ---------- */
.page-home .region-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.page-home .region-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 28px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--home-hair);
}

.page-home .region-stat dt {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-home .region-stat dd {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 21px;
  color: var(--cold);
}

.page-home .region-note {
  margin: 24px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--night);
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .region-grid__figure {
  margin: 0;
}

/* ---------- 常见问题 ---------- */
.page-home .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-home .faq-copy .btn {
  margin-top: 24px;
}

.page-home .faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--home-hair);
}

.page-home .faq-list li {
  border-bottom: 1px solid var(--home-hair);
}

.page-home .faq-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 19px 4px;
  color: var(--cold);
  font-size: 15.5px;
  line-height: 1.6;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), padding-left var(--dur-fast) var(--ease);
}

.page-home .faq-list a::after {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-home .faq-list a:hover,
.page-home .faq-list a:focus-visible {
  color: var(--night);
  padding-left: 12px;
}

/* ---------- 收束带 ---------- */
.page-home .closing {
  padding: 0 0 84px;
}

.page-home .closing-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 34px 26px 36px;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(255, 106, 43, 0.14), transparent 58%),
    linear-gradient(180deg, var(--panel), var(--ink-900));
  box-shadow: var(--shadow-card);
}

.page-home .closing-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.6vw, 32px);
}

.page-home .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .scenario {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 32px;
  }

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

  .page-home .closing-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 40px 40px 42px;
  }
}

@media (min-width: 960px) {
  .page-home .stage {
    padding: 56px 0 96px;
  }

  .page-home .stage-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-home .stage-copy {
    grid-column: 1 / span 7;
  }

  .page-home .stage-side {
    grid-column: 9 / span 4;
    align-self: stretch;
  }

  .page-home .models-lead {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .models-lead__copy {
    grid-column: 1 / span 7;
  }

  .page-home .models-lead__figure {
    grid-column: 8 / span 5;
  }

  .page-home .params-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .params-grid__figure {
    grid-column: 1 / span 5;
  }

  .page-home .params-grid__copy {
    grid-column: 7 / span 6;
  }

  .page-home .custom-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .custom-copy {
    grid-column: 1 / span 4;
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }

  .page-home .custom-steps {
    grid-column: 6 / span 7;
  }

  .page-home .region-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .region-copy {
    grid-column: 1 / span 5;
  }

  .page-home .region-grid__figure {
    grid-column: 7 / span 6;
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-home .faq-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .faq-copy {
    grid-column: 1 / span 4;
  }

  .page-home .faq-list {
    grid-column: 6 / span 7;
  }
}

@media (min-width: 1140px) {
  .page-home .model-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .model-card,
  .page-home .stage-index__list a,
  .page-home .faq-list a {
    transition: none;
  }

  .page-home .model-card:hover,
  .page-home .model-card:focus-within {
    transform: none;
  }

  .page-home .stage-index__list a:hover,
  .page-home .stage-index__list a:focus-visible,
  .page-home .faq-list a:hover,
  .page-home .faq-list a:focus-visible {
    padding-left: 0;
  }
}