.page-home {
  --hm-line: rgba(10, 31, 43, .16);
  --hm-line-light: rgba(233, 239, 241, .24);
  --hm-text-on-dark: rgba(233, 239, 241, .72);
  display: block;
  background: var(--paper-50);
  color: var(--ink-text);
  overflow-x: hidden;
}

.page-home .section {
  padding: 56px 0;
  scroll-margin-top: 72px;
}

.page-home .section--dark {
  background: var(--ink-900);
  color: var(--mist-100);
}

.page-home .section--mist {
  background: var(--mist-100);
}

.page-home .section--paper {
  background: var(--paper-50);
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumb {
  padding: 0 0 22px;
  font-size: 12px;
}

.page-home .breadcrumb--onDark .breadcrumb__link,
.page-home .breadcrumb--onDark .breadcrumb__item {
  color: var(--hm-text-on-dark);
}

.page-home .breadcrumb--onDark .breadcrumb__link:hover {
  color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--mist-100);
  padding: 26px 0 48px;
}

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

.page-home .hero__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: 62% 50%;
  opacity: .5;
}

.page-home .hero__overlay {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.page-home .hero__inner {
  position: relative;
  z-index: 2;
}

.page-home .hero__copy {
  max-width: 620px;
}

.page-home .hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 10vw, 76px);
  line-height: 1.02;
  letter-spacing: -.015em;
  color: #fff;
}

.page-home .hero__title-brand {
  display: block;
  font-weight: 900;
}

.page-home .hero__title-line {
  display: block;
  margin-top: 6px;
  font-weight: 500;
  font-size: .56em;
  letter-spacing: .04em;
  color: var(--cyan-400);
}

.page-home .hero__rule {
  display: block;
  width: 168px;
  height: 8px;
  margin: 22px 0 20px;
  background: var(--copper-500);
}

.page-home .hero__lead {
  margin: 0;
  max-width: 30em;
  font-size: 17px;
  line-height: 1.8;
  color: #fff;
}

.page-home .hero__lead-sub {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--hm-text-on-dark);
}

.page-home .hero__index {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  max-width: 560px;
  border-bottom: 1px solid var(--hm-line-light);
}

.page-home .hero__index-link {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  padding: 10px 6px;
  border-top: 1px solid var(--hm-line-light);
  color: var(--mist-100);
  text-decoration: none;
  transition: background-color .2s linear, border-color .2s linear, padding-left .2s linear;
}

.page-home .hero__index-link:hover,
.page-home .hero__index-link:focus-visible {
  background: rgba(47, 182, 196, .14);
  border-top-color: var(--copper-500);
  padding-left: 14px;
}

.page-home .hero__index-num {
  flex: 0 0 auto;
  min-width: 28px;
  font-size: 13px;
  color: var(--copper-500);
}

.page-home .hero__index-key {
  flex: 0 0 auto;
  min-width: 1.6em;
  font-size: 18px;
  font-weight: 700;
}

.page-home .hero__index-note {
  font-size: 14px;
  color: var(--hm-text-on-dark);
}

/* ---------- 通用区块标题 ---------- */
.page-home .block-head {
  max-width: 44em;
  margin-bottom: 30px;
}

.page-home .block-head__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 6vw, 44px);
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-home .block-head__lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate-500);
}

.page-home .block-head--onDark .block-head__lead {
  color: var(--hm-text-on-dark);
}

/* ---------- 四段动线 ---------- */
.page-home .route-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.page-home .route-tree__item {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 0 10px;
  padding: 22px 0 26px;
  border-bottom: 1px dashed var(--hm-line);
}

.page-home .route-tree__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 100%;
  border-left: 3px solid transparent;
  transition: border-color .2s linear;
}

.page-home .route-tree__item:hover::after {
  border-left-color: var(--cyan-400);
}

.page-home .route-tree__num {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--copper-500);
}

.page-home .route-tree__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .route-tree__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-500);
}

.page-home .route-tree__meta {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--camellia-600);
}

.page-home .route-tree__cta {
  margin-top: 14px;
  border-color: var(--ink-900);
  color: var(--ink-900);
}

.page-home .route-tree__cta:hover,
.page-home .route-tree__cta:focus-visible {
  background: var(--gold-200);
  border-color: var(--copper-500);
  color: var(--ink-900);
}

/* ---------- 报价对照 ---------- */
.page-home .compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-home .compare__ruler {
  grid-column: 1 / -1;
  height: 24px;
  border-bottom: 2px solid var(--ink-900);
  background-image: repeating-linear-gradient(to right, rgba(10, 31, 43, .55) 0 1px, transparent 1px 24px);
  background-repeat: repeat-x;
  background-position: bottom left;
  background-size: 24px 14px;
  background-color: transparent;
}

.page-home .compare__col {
  border: 3px solid var(--ink-900);
  border-top: none;
  padding: 22px 20px 26px;
  background: #fff;
}

.page-home .compare__col--now {
  background: var(--paper-50);
  box-shadow: var(--hard);
}

.page-home .compare__col--next {
  background: var(--ink-700);
  color: var(--mist-100);
}

.page-home .compare__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--copper-500);
}

.page-home .compare__title {
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .compare__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-500);
}

.page-home .compare__col--next .compare__desc {
  color: var(--hm-text-on-dark);
}

.page-home .compare__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-home .compare__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 12px 0;
  border-top: 1px solid var(--hm-line);
}

.page-home .compare__col--next .compare__row {
  border-top-color: var(--hm-line-light);
}

.page-home .compare__row-name {
  font-size: 15px;
}

.page-home .compare__row-val {
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--camellia-600);
}

.page-home .compare__col--next .compare__row-val {
  color: var(--gold-200);
}

.page-home .compare__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin: 28px 0 0;
}

.page-home .compare__foot-note {
  font-size: 13px;
  color: var(--slate-500);
}

/* ---------- 车型横滑带 ---------- */
.page-home .rail-section {
  padding-bottom: 56px;
}

.page-home .model-rail {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 20px 24px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  background:
    linear-gradient(90deg, rgba(18, 52, 68, .95) 0%, rgba(20, 86, 107, .85) 48%, rgba(10, 31, 43, .95) 100%);
}

.page-home .model-rail:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -4px;
}

.page-home .model-rail__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 16px;
  width: max-content;
}

.page-home .model-card {
  flex: 0 0 76vw;
  max-width: 300px;
  scroll-snap-align: start;
  background: var(--paper-50);
  color: var(--ink-text);
  border: 3px solid var(--ink-900);
  box-shadow: var(--hard-sm);
  padding: 18px 18px 20px;
}

.page-home .model-card__code {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--copper-500);
}

.page-home .model-card__title {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.page-home .model-card__meta {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-500);
}

.page-home .model-card__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--hm-line);
  font-size: 13px;
  font-weight: 700;
}

.page-home .model-card__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--camellia-600);
}

.page-home .model-card__status--wait {
  color: var(--slate-500);
}

.page-home .model-card__status--wait .model-card__dot {
  background: var(--copper-500);
}

.page-home .model-rail__hint {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--hm-text-on-dark);
}

.page-home .rail-section__foot {
  margin: 26px 0 0;
}

/* ---------- 回访路径 ---------- */
.page-home .return-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .return-grid__media {
  box-shadow: var(--hard);
}

.page-home .return-grid__body .block-head__title {
  margin-top: 12px;
}

.page-home .return-grid__body .lead {
  margin: 14px 0 24px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate-500);
}

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

.page-home .return-list__item {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px dashed var(--hm-line);
  font-size: 15px;
  line-height: 1.8;
}

.page-home .return-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 9px;
  height: 2px;
  background: var(--cyan-400);
}

.page-home .return-grid__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin: 26px 0 0;
}

.page-home .return-grid__cta {
  border-color: var(--ink-900);
  color: var(--ink-900);
}

.page-home .return-grid__cta:hover,
.page-home .return-grid__cta:focus-visible {
  background: var(--gold-200);
  border-color: var(--copper-500);
  color: var(--ink-900);
}

.page-home .return-grid__note {
  flex: 1 1 220px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate-500);
}

/* ---------- 资讯摘要 ---------- */
.page-home .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.page-home .news-item {
  padding: 20px 0 22px;
  border-bottom: 1px dashed var(--hm-line);
}

.page-home .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 10px;
}

.page-home .news-item__cat {
  font-size: 12px;
  letter-spacing: .12em;
  padding: 4px 9px;
  background: var(--gold-200);
  color: var(--ink-text);
}

.page-home .news-item__time {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate-500);
}

.page-home .news-item__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.65;
}

.page-home .news-foot {
  margin: 28px 0 0;
}

/* ---------- 页尾行动区 ---------- */
.page-home .cta-block {
  padding: 60px 0 68px;
}

.page-home .cta-block__inner {
  max-width: 700px;
}

.page-home .cta-block__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 7vw, 48px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: #fff;
}

.page-home .cta-block__text {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--hm-text-on-dark);
}

.page-home .cta-block__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

.page-home .cta-block__contact {
  margin: 36px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--hm-line-light);
}

.page-home .cta-block__contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  padding: 8px 0;
}

.page-home .cta-block__contact-row dt {
  flex: 0 0 92px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--copper-500);
}

.page-home .cta-block__contact-row dd {
  margin: 0;
  flex: 1 1 240px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-100);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-home .section {
    padding: 72px 0;
  }

  .page-home .hero {
    padding: 34px 0 64px;
  }

  .page-home .hero__index {
    max-width: 600px;
  }

  .page-home .model-card {
    flex: 0 0 300px;
  }

  .page-home .news-item {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 0 26px;
    align-items: start;
  }

  .page-home .news-item__meta {
    margin: 3px 0 0;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 1024px) {
  .page-home .section {
    padding: 88px 0;
  }

  .page-home .hero {
    padding: 40px 0 88px;
  }

  .page-home .hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    grid-template-areas:
      "bread bread"
      "copy index";
    gap: 0 48px;
    align-items: end;
  }

  .page-home .hero__inner > .breadcrumb {
    grid-area: bread;
  }

  .page-home .hero__copy {
    grid-area: copy;
  }

  .page-home .hero__index {
    grid-area: index;
    margin-top: 0;
    max-width: none;
  }

  .page-home .hero__rule {
    margin: 26px 0 22px;
  }

  .page-home .block-head {
    margin-bottom: 42px;
  }

  .page-home .route-tree__item {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 0 26px;
    padding: 26px 0 30px;
  }

  .page-home .route-tree__num {
    font-size: 28px;
  }

  .page-home .compare {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: 0;
  }

  .page-home .compare__col {
    border-top: 3px solid var(--ink-900);
  }

  .page-home .compare__col--now {
    border-right: none;
  }

  .page-home .model-rail {
    padding: 6px 40px 28px;
  }

  .page-home .model-card {
    flex: 0 0 320px;
    padding: 22px 22px 24px;
  }

  .page-home .return-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    gap: 44px;
    align-items: start;
  }

  .page-home .cta-block {
    padding: 96px 0 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__index-link,
  .page-home .route-tree__item::after {
    transition: none;
  }
}