.page-home {
  --home-rail: 208px;
  --home-fork-radius: 28px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  padding: calc(var(--bar-h) + clamp(28px, 5vw, 56px)) 0 clamp(44px, 6vw, 76px);
}

.page-home .hero__slab {
  position: absolute;
  top: -18%;
  right: -22%;
  width: min(820px, 86vw);
  height: 150%;
  background: linear-gradient(148deg, var(--steel) 0%, rgba(20, 52, 79, 0) 78%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-home .hero__slab::after {
  content: "";
  position: absolute;
  top: 6%;
  right: 24%;
  width: 3px;
  height: 88%;
  background: linear-gradient(180deg, rgba(255, 106, 26, 0), var(--orange), rgba(255, 106, 26, 0));
  transform: rotate(14deg);
  transform-origin: top center;
}

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

.page-home .hero__crumbs {
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.page-home .hero__crumbs .crumbs__list {
  color: var(--mute);
}

.page-home .hero__crumbs .crumbs__link {
  color: var(--celadon-soft);
}

.page-home .hero__crumbs .crumbs__current {
  color: var(--mute);
}

.page-home .hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 54px);
  align-items: center;
}

.page-home .hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.2vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  margin: 0 0 clamp(16px, 2.2vw, 24px);
  color: var(--white);
}

.page-home .hero__lede {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: #C7D6E2;
  margin: 0 0 clamp(24px, 3vw, 34px);
  max-width: 60ch;
}

.page-home .hero__cta {
  gap: 12px;
  flex-wrap: wrap;
}

.page-home .hero__visual {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--steel);
  aspect-ratio: 16 / 10;
  box-shadow: 0 34px 64px -34px rgba(0, 0, 0, 0.85);
}

.page-home .hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.82) contrast(1.04);
}

.page-home .hero__chip {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(10, 13, 16, 0.84);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  padding: 7px 15px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(90, 122, 147, 0.5);
}

.page-home .hero__stats {
  list-style: none;
  margin: clamp(36px, 5vw, 62px) 0 0;
  padding: clamp(22px, 3vw, 32px) 0 0;
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(90, 122, 147, 0.42);
}

.page-home .hero__num {
  font-family: var(--font-mono);
  font-size: clamp(36px, 6vw, 54px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--white);
  display: inline-block;
  padding-bottom: 5px;
  border-bottom: 3px solid var(--celadon);
}

.page-home .hero__unit {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--celadon-soft);
  margin-left: 7px;
}

.page-home .hero__label {
  display: block;
  margin-top: 13px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.78;
  color: var(--mute);
  max-width: 32ch;
}

/* ---------- 页面主体骨架 ---------- */
.page-home .page-body {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding-top: clamp(44px, 6vw, 84px);
  padding-bottom: clamp(48px, 6vw, 88px);
  min-width: 0;
}

.page-home .page-flow {
  min-width: 0;
}

.page-home .page-rail {
  position: static;
}

.page-home .rail__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--line);
  margin: 0 0 12px;
  text-transform: uppercase;
}

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

.page-home .rail__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute);
  text-decoration: none;
  border: 1px solid rgba(90, 122, 147, 0.45);
  border-radius: var(--r-pill);
  padding: 7px 14px;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-home .rail__link:hover,
.page-home .rail__link.is-active {
  color: var(--orange);
  border-color: var(--orange);
  background: rgba(255, 106, 26, 0.07);
}

/* ---------- 章节通用 ---------- */
.page-home .page-sec {
  margin-bottom: clamp(54px, 8vw, 100px);
  min-width: 0;
}

.page-home .page-sec--last {
  margin-bottom: 0;
}

.page-home .sec-head {
  position: relative;
  padding-right: 40px;
  margin-bottom: clamp(20px, 2.8vw, 32px);
}

.page-home .sec-head__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--celadon);
  margin-bottom: 10px;
}

.page-home .sec-head__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0;
}

.page-home .sec-head__note {
  position: absolute;
  right: 0;
  top: 2px;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--line);
}

.page-home .sec-lede {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mute);
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 66ch;
}

/* ---------- 01 参数 ---------- */
.page-home .params-layout {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  min-width: 0;
}

.page-home .param-list {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1px;
  background: rgba(90, 122, 147, 0.32);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .param {
  background: var(--ink);
  padding: 15px 15px 17px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 10px;
  align-content: start;
  transition: background 0.2s ease;
}

.page-home .param:hover {
  background: var(--steel);
}

.page-home .param__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--celadon);
  padding-top: 3px;
}

.page-home .param__name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-home .param__desc {
  grid-column: 2;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.72;
  color: var(--mute);
}

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

.page-home .params-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-md);
  filter: saturate(0.8) contrast(1.05);
}

.page-home .params-figure__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--line);
}

.page-home .cert-band {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: center;
  background: var(--paper);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.4vw, 40px);
}

.page-home .cert-band__num {
  font-family: var(--font-mono);
  font-size: clamp(32px, 4.6vw, 48px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper-ink);
  margin: 0;
  letter-spacing: -0.02em;
}

.page-home .cert-band__num em {
  font-style: normal;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  margin-left: 8px;
  color: var(--orange-deep);
}

.page-home .cert-band__text {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.88;
  color: var(--paper-mute);
  max-width: 62ch;
}

.page-home .cert-band__img {
  width: 100%;
  max-width: 190px;
  height: auto;
  display: block;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--r-md);
  border: 1px solid rgba(12, 26, 38, 0.12);
}

/* ---------- 02 系列 tabs ---------- */
.page-home .tabs {
  margin-top: clamp(18px, 2.6vw, 28px);
  min-width: 0;
}

.page-home .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-home .tabs__tab {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mute);
  background: transparent;
  border: 1px solid rgba(90, 122, 147, 0.5);
  border-radius: var(--r-pill);
  padding: 9px 20px;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-home .tabs__tab:hover {
  color: var(--white);
  border-color: var(--celadon);
}

.page-home .tabs__tab:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-home .tabs__tab[aria-selected="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

.page-home .series-panel {
  background: var(--steel);
  border: 1px solid rgba(90, 122, 147, 0.3);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.4vw, 44px);
}

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

.page-home .series-panel__tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--celadon);
  margin: 0 0 12px;
}

.page-home .series-panel__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 14px;
}

.page-home .series-panel__text {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.92;
  color: #D3E0EA;
  margin: 0;
  max-width: 64ch;
}

.page-home .series-panel__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .series-panel__facts li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}

.page-home .series-panel__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

.page-home .series-cta {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
}

/* ---------- 03 交付规模 ---------- */
.page-home .scale-grid {
  display: grid;
  gap: clamp(22px, 3.2vw, 46px);
  align-items: start;
  min-width: 0;
}

.page-home .scale-figure {
  margin: 0;
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .scale-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.06);
}

.page-home .scale-figure__cap {
  position: absolute;
  left: 14px;
  bottom: 14px;
  right: 14px;
  background: rgba(10, 13, 16, 0.82);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  padding: 8px 14px;
  border-radius: var(--r-pill);
}

.page-home .scale-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-home .scale-item {
  padding: 16px 0;
  border-bottom: 1px dashed rgba(90, 122, 147, 0.4);
}

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

.page-home .scale-item__num {
  font-family: var(--font-mono);
  font-size: clamp(23px, 3vw, 31px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-home .scale-item__num span {
  font-size: 13px;
  font-weight: 400;
  color: var(--celadon-soft);
  margin-left: 6px;
}

.page-home .scale-item__text {
  margin: 9px 0 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mute);
}

/* ---------- 横向链接带 ---------- */
.page-home .page-band {
  background: var(--black);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.4vw, 40px);
  margin-bottom: clamp(54px, 8vw, 100px);
  display: grid;
  gap: 18px;
  border-left: 3px solid var(--orange);
}

.page-home .page-band__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--orange);
}

.page-home .page-band__links {
  display: grid;
  gap: 14px;
}

.page-home .page-band__link {
  display: block;
  text-decoration: none;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(90, 122, 147, 0.32);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-home .page-band__link:hover {
  border-color: var(--orange);
  background: rgba(255, 106, 26, 0.08);
}

.page-home .page-band__link-t {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 7px;
}

.page-home .page-band__link-d {
  display: block;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mute);
}

/* ---------- 04 保修与网点 ---------- */
.page-home .fork {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  min-width: 0;
}

.page-home .fork__card {
  border-radius: var(--home-fork-radius);
  padding: clamp(22px, 3.2vw, 38px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .fork__card--orange {
  background: linear-gradient(160deg, var(--steel) 0%, var(--ink) 92%);
  border: 1px solid rgba(90, 122, 147, 0.34);
  border-top: 3px solid var(--orange);
}

.page-home .fork__card--celadon {
  background: linear-gradient(160deg, var(--steel) 0%, var(--ink) 92%);
  border: 1px solid rgba(90, 122, 147, 0.34);
  border-top: 3px solid var(--celadon);
}

.page-home .fork__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mute);
  margin: 0;
}

.page-home .fork__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 25px);
  line-height: 1.36;
  color: var(--white);
  margin: 0;
}

.page-home .fork__text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: #C9D8E4;
  margin: 0;
}

.page-home .fork__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  flex: 1;
}

.page-home .fork__facts li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-body);
  font-size: 13.8px;
  line-height: 1.8;
  color: var(--mute);
}

.page-home .fork__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 9px;
  height: 2px;
  background: var(--celadon);
}

.page-home .fork__card .btn {
  align-self: flex-start;
}

/* ---------- 05 联系 ---------- */
.page-home .contact {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  min-width: 0;
}

.page-home .contact__lede {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mute);
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  max-width: 60ch;
}

.page-home .contact__dl {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-home .contact__row {
  display: grid;
  gap: 4px 18px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(90, 122, 147, 0.3);
}

.page-home .contact__row:first-child {
  border-top: 1px solid rgba(90, 122, 147, 0.3);
}

.page-home .contact__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--line);
}

.page-home .contact__v {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-home .contact__v.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-home .contact__aside {
  background: var(--paper);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3vw, 32px);
}

.page-home .contact__aside-t {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--orange-deep);
  margin: 0 0 14px;
}

.page-home .contact__aside-list {
  list-style: none;
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .contact__aside-list li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-ink);
}

.page-home .contact__aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--orange-deep);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .page-band__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .contact__row {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-home .hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }

  .page-home .params-layout {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    align-items: start;
  }

  .page-home .cert-band {
    grid-template-columns: minmax(0, 1fr) 190px;
  }

  .page-home .cert-band__img {
    justify-self: end;
  }

  .page-home .scale-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-home .page-band {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: center;
  }

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

  .page-home .contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1020px) {
  .page-home .page-body {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
  }

  .page-home .page-rail {
    position: sticky;
    top: calc(var(--bar-h-min) + 24px);
    align-self: start;
  }

  .page-home .rail__title {
    margin-bottom: 14px;
  }

  .page-home .rail__list {
    display: grid;
    gap: 0;
  }

  .page-home .rail__link {
    display: block;
    border: 0;
    border-left: 2px solid rgba(90, 122, 147, 0.35);
    border-radius: 0;
    padding: 10px 0 10px 14px;
    background: transparent;
  }

  .page-home .rail__link:hover,
  .page-home .rail__link.is-active {
    border-left-color: var(--orange);
    background: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .tabs__tab,
  .page-home .rail__link,
  .page-home .param,
  .page-home .page-band__link {
    transition: none;
  }

  .page-home .hero__slab::after {
    display: none;
  }
}
<<<END>>>