.page-home {
  --home-rail-w: 208px;
  --home-gap: clamp(22px, 4vw, 52px);
}

/* ============ 首屏 ============ */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding-block: clamp(30px, 6vw, 66px) clamp(34px, 6vw, 74px);
}

.page-home .home-hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.72) contrast(1.06);
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    104deg,
    var(--ink-900) 18%,
    rgba(10, 22, 40, 0.72) 58%,
    rgba(10, 22, 40, 0.95) 100%
  );
}

.page-home .home-hero__grid {
  display: grid;
  gap: 26px;
}

.page-home .home-rail {
  border-left: 2px solid var(--signal);
  padding-left: 14px;
}

.page-home .home-rail__label {
  margin: 0 0 10px;
}

.page-home .home-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}

.page-home .home-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-home .home-rail__link .mono {
  font-size: 12px;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.page-home .home-rail__link:hover,
.page-home .home-rail__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
  transform: translateX(4px);
}

.page-home .home-rail__link:hover .mono,
.page-home .home-rail__link:focus-visible .mono {
  color: var(--cyan);
}

.page-home .home-rail__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-hero__main {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  min-width: 0;
}

.page-home .home-hero__main > .eyebrow {
  margin: 0;
}

.page-home .home-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 5.6vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--paper);
  max-width: 22ch;
}

.page-home .home-hero .lede {
  margin: 0;
  max-width: 62ch;
}

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

/* ---- 批次索引条 ---- */
.page-home .home-batch {
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: linear-gradient(180deg, rgba(17, 34, 64, 0.9), rgba(10, 22, 40, 0.88));
  padding: 16px clamp(14px, 2vw, 20px) 18px;
}

.page-home .home-batch__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-home .home-batch__head .eyebrow {
  margin: 0;
}

.page-home .home-batch__range {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-home .home-batch__jump {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .home-batch__jump:hover,
.page-home .home-batch__jump:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--line-signal);
}

.page-home .home-batch__list {
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
}

.page-home .home-batch__item {
  border-bottom: 1px solid var(--line);
}

.page-home .home-batch__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 4px;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-home .home-batch__link:hover,
.page-home .home-batch__link:focus-visible {
  background: rgba(0, 229, 195, 0.07);
  padding-left: 9px;
}

.page-home .home-batch__num {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--gold);
  transition: text-shadow 0.25s var(--ease);
}

.page-home .home-batch__link:hover .home-batch__num,
.page-home .home-batch__link:focus-visible .home-batch__num {
  text-shadow: 0 0 12px rgba(240, 180, 41, 0.8);
}

.page-home .home-batch__meta {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ============ 章节通用 ============ */
.page-home .home-section {
  padding-block: clamp(42px, 7vw, 92px);
  border-bottom: 1px solid var(--line);
}

.page-home .home-section--last {
  border-bottom: 0;
}

.page-home .home-head {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-strong);
  padding-top: 18px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-home .home-head__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 50px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--signal);
}

.page-home .home-head__body {
  display: grid;
  gap: 8px;
}

.page-home .home-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 31px);
  line-height: 1.3;
  color: var(--paper);
}

.page-home .home-head__note {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ============ 产品线分类 ============ */
.page-home .lines-layout {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

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

.page-home .line-tag {
  border-bottom: 1px solid var(--line);
}

.page-home .line-tag__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 14px 6px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.2s var(--ease);
}

.page-home .line-tag__summary::-webkit-details-marker {
  display: none;
}

.page-home .line-tag__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.page-home .line-tag[open] > .line-tag__summary::after {
  content: "−";
  color: var(--signal);
}

.page-home .line-tag__summary:hover,
.page-home .line-tag__summary:focus-visible {
  background: rgba(0, 229, 195, 0.06);
}

.page-home .line-tag__idx {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-home .line-tag__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
}

.page-home .line-tag__hint {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-home .line-tag__body {
  padding: 0 6px 16px;
}

.page-home .line-tag__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .line-tag__link {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .line-tag__link:hover,
.page-home .line-tag__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--line-signal);
}

.page-home .lines-figure,
.page-home .dl-figure,
.page-home .updates-figure {
  margin: 0;
}

.page-home .lines-figure .media,
.page-home .dl-figure .media,
.page-home .updates-figure .media {
  border: 1px solid var(--line);
}

.page-home .lines-figure .media__caption,
.page-home .dl-figure .media__caption,
.page-home .updates-figure .media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ============ 下载专区 ============ */
.page-home .dl-layout {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-home .dl-cards {
  display: grid;
  gap: 12px;
}

.page-home .dl-card {
  display: grid;
  gap: 7px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(180deg, rgba(17, 34, 64, 0.74), rgba(10, 22, 40, 0.7));
  transition: border-left-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-home .dl-card:hover {
  border-left-color: var(--signal);
  transform: translateX(3px);
}

.page-home .dl-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-home .dl-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
}

.page-home .dl-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ============ 索引时间轴 ============ */
.page-home .index-timeline {
  list-style: none;
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(180px, 1fr);
  overflow-x: auto;
  border-top: 1px solid var(--line-cyan);
}

.page-home .index-timeline__node {
  position: relative;
  padding: 24px 16px 16px 0;
  border-right: 1px solid var(--line);
}

.page-home .index-timeline__node:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-home .index-timeline__node::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 195, 0.16);
}

.page-home .index-timeline__link {
  display: grid;
  gap: 6px;
  text-decoration: none;
}

.page-home .index-timeline__num {
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--gold);
  transition: text-shadow 0.25s var(--ease);
}

.page-home .index-timeline__link:hover .index-timeline__num,
.page-home .index-timeline__link:focus-visible .index-timeline__num {
  text-shadow: 0 0 12px rgba(240, 180, 41, 0.8);
}

.page-home .index-timeline__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--paper);
}

.page-home .index-timeline__desc {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ============ 本季同步 ============ */
.page-home .season-grid {
  display: grid;
  gap: 16px;
}

.page-home .season-card {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-top: 2px solid var(--signal);
  background: linear-gradient(180deg, rgba(17, 34, 64, 0.8), rgba(10, 22, 40, 0.62));
}

.page-home .season-card--alt {
  border-top-color: var(--cyan);
}

.page-home .season-card__eyebrow {
  margin: 0;
}

.page-home .season-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.4;
  color: var(--paper);
}

.page-home .season-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .season-card__link {
  justify-self: start;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .season-card__link:hover,
.page-home .season-card__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--line-signal);
}

/* ============ 服务与联系 ============ */
.page-home .service-grid {
  display: grid;
  gap: 24px;
}

.page-home .service-block {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-home .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .contact-row--last {
  border-bottom: 0;
}

.page-home .contact-row__label {
  min-width: 110px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .contact-row__value {
  font-size: 14.5px;
  color: var(--paper);
  word-break: break-word;
}

.page-home .service-aside {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: linear-gradient(180deg, rgba(17, 34, 64, 0.76), rgba(10, 22, 40, 0.6));
}

.page-home .service-aside__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .service-aside__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ 响应式 ============ */
@media (min-width: 768px) {
  .page-home .home-batch__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .home-head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 6px clamp(20px, 3vw, 34px);
    align-items: start;
  }

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

@media (min-width: 1024px) {
  .page-home .home-hero__grid {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    gap: var(--home-gap);
    align-items: start;
  }

  .page-home .home-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

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

  .page-home .lines-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

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

  .page-home .service-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(28px, 4vw, 48px);
  }
}
<<<END>>>