.page-home {
  --home-shadow: 0 1px 0 var(--line), 0 12px 32px rgba(14, 42, 71, .06);
  --home-rule: 1px solid var(--line);
  display: block;
  background:
    linear-gradient(var(--paper), var(--paper)),
    repeating-linear-gradient(0deg, rgba(201, 210, 219, .28) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(201, 210, 219, .28) 0 1px, transparent 1px 64px);
  color: var(--ink);
}

.page-home p {
  line-height: 1.85;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: calc(var(--section-gap) * .6) 0 calc(var(--section-gap) * .5);
  background:
    linear-gradient(160deg, rgba(31, 78, 121, .06), rgba(31, 78, 121, 0) 62%),
    repeating-linear-gradient(0deg, rgba(201, 210, 219, .3) 0 1px, transparent 1px 8px);
}

.page-home .hero__grid {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 2);
  align-items: start;
}

.page-home .hero__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .12em;
  color: var(--indigo);
  text-transform: uppercase;
}

.page-home .hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 3px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--pom);
}

.page-home .hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h1);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .hero__lead {
  max-width: 34em;
  margin: 0 0 28px;
  font-size: var(--fs-body);
  color: var(--ink);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.page-home .hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin: 0;
  padding-top: 24px;
  border-top: var(--home-rule);
}

.page-home .hero__fact dt {
  font-size: var(--fs-small);
  color: var(--grey);
  margin-bottom: 6px;
}

.page-home .hero__fact dd {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--indigo-deep);
  letter-spacing: -.01em;
}

.page-home .hero__fact:first-child dd { color: var(--pom); }

.page-home .hero__visual {
  position: relative;
  padding-bottom: 8px;
}

.page-home .hero__visual .figure {
  box-shadow: var(--home-shadow);
  border: var(--home-rule);
}

.page-home .hero__tree {
  position: absolute;
  right: -8px;
  bottom: -18px;
  width: 46%;
  min-width: 180px;
  height: auto;
  background: var(--glass);
  backdrop-filter: blur(14px);
  border: var(--home-rule);
}

.page-home .tree__lines path {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.4;
}

.page-home .tree__node--a { fill: var(--indigo); }
.page-home .tree__node--b { fill: var(--pom); }
.page-home .tree__node--c { fill: var(--sand); }
.page-home .tree__leaf { fill: var(--indigo-deep); opacity: .82; }

/* ---------- 章节通用 ---------- */
.page-home .chapter-block,
.page-home .updates-block,
.page-home .scenes-block {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: calc(var(--section-gap) * .55) var(--pad);
}

.page-home .version-block,
.page-home .why-block {
  padding: calc(var(--section-gap) * .55) var(--pad);
}

.page-home .version-block {
  background: linear-gradient(180deg, rgba(31, 78, 121, .05), rgba(31, 78, 121, 0) 70%);
  border-top: var(--home-rule);
  border-bottom: var(--home-rule);
}

.page-home .version-block > *,
.page-home .why-block > * {
  max-width: var(--shell-max);
  margin-left: auto;
  margin-right: auto;
}

.page-home .chapter {
  position: relative;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--ink);
}

.page-home .chapter__num {
  display: inline-block;
  margin-right: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 600;
  color: var(--pom);
  vertical-align: baseline;
}

.page-home .chapter__title {
  display: inline;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-h2);
  line-height: 1.3;
  letter-spacing: -.01em;
}

.page-home .chapter__intro {
  max-width: 62ch;
  margin: 16px 0 0;
  color: var(--grey);
  font-size: var(--fs-body);
}

/* ---------- 分类总览 ---------- */
.page-home .cat-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.5);
  align-items: start;
}

.page-home .cat-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: var(--home-rule);
}

.page-home .cat-item {
  position: relative;
  padding: 20px 20px 20px 24px;
  background: #fff;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .cat-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--indigo);
}

.page-home .cat-item:nth-child(3n+2)::before { background: var(--pom); }
.page-home .cat-item:nth-child(3n)::before { background: var(--sand); }

.page-home .cat-item:hover,
.page-home .cat-item:focus-within {
  transform: translateY(-2px);
  background: var(--warm);
  z-index: 1;
}

.page-home .cat-item__no {
  display: block;
  font-size: var(--fs-small);
  color: var(--grey);
  margin-bottom: 6px;
}

.page-home .cat-item__name {
  margin: 0 0 8px;
  font-family: var(--font-ui);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--indigo-deep);
}

.page-home .cat-item__desc {
  margin: 0 0 10px;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-home .cat-item__desc .mono { color: var(--pom); font-weight: 600; }

.page-home .cat-item__tags {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--grey);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.page-home .cat-side {
  display: grid;
  gap: 20px;
  padding: 20px;
  background: var(--warm);
  border: var(--home-rule);
}

.page-home .cat-side .figure { margin: 0; }

.page-home .cat-side__title {
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--indigo-deep);
}

.page-home .cat-side__note p {
  margin: 0 0 14px;
  font-size: .9375rem;
  color: var(--ink);
}

.page-home .link-more {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 2px solid var(--pom);
  padding-bottom: 2px;
}

.page-home .link-more:hover { color: var(--pom); }

/* ---------- 版本时间轴 ---------- */
.page-home .version-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.5);
  align-items: start;
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  border-left: 2px solid var(--line);
}

.page-home .timeline__item {
  position: relative;
  padding: 0 0 28px 24px;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--indigo);
  border: 3px solid var(--paper);
}

.page-home .timeline__item--now::before { background: var(--pom); }

.page-home .timeline__year {
  display: block;
  font-size: var(--fs-small);
  color: var(--grey);
  margin-bottom: 4px;
}

.page-home .timeline__title {
  margin: 0 0 6px;
  font-family: var(--font-ui);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ink);
}

.page-home .timeline__title .mono { color: var(--pom); }

.page-home .timeline__body p {
  margin: 0;
  font-size: .9375rem;
  color: var(--grey);
  max-width: 48ch;
}

.page-home .version-anchor {
  padding: 28px;
  border: var(--home-rule);
  border-top: 3px solid var(--indigo);
}

.page-home .version-anchor__label {
  margin: 0 0 8px;
  font-size: var(--fs-small);
  letter-spacing: .1em;
  color: var(--indigo);
}

.page-home .version-anchor__value {
  margin: 0 0 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.01em;
}

.page-home .version-anchor__sub {
  margin: 0 0 20px;
  font-size: .9375rem;
  color: var(--grey);
}

.page-home .version-figure { margin: 40px 0 0; }

/* ---------- 公告与下载 ---------- */
.page-home .updates-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--gap) * 1.5);
  align-items: start;
}

.page-home .updates-list {
  display: grid;
  gap: 16px;
}

.page-home .doc-card {
  padding: 22px;
  background: #fff;
  border: var(--home-rule);
  border-left: 3px solid var(--indigo);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .doc-card:hover {
  transform: translateY(-2px);
  border-color: var(--indigo);
}

.page-home .doc-card__no {
  display: block;
  font-size: var(--fs-small);
  color: var(--grey);
  margin-bottom: 8px;
}

.page-home .doc-card__title {
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
}

.page-home .doc-card__desc {
  margin: 0 0 12px;
  font-size: .9375rem;
  color: var(--ink);
}

.page-home .doc-card__meta {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--grey);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-home .updates-side {
  display: grid;
  gap: 20px;
}

.page-home .updates-side .figure { margin: 0; }

.page-home .download-box {
  padding: 24px;
  background: var(--indigo-deep);
  color: var(--paper);
}

.page-home .download-box__title {
  margin: 0 0 16px;
  font-family: var(--font-ui);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: #fff;
}

.page-home .download-box__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-home .download-box__list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(246, 247, 249, .9);
}

.page-home .download-box__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 2px;
  background: var(--sand);
}

.page-home .download-box__list .mono { color: var(--sand); font-weight: 600; }

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

.page-home .download-box .btn--solid {
  background: var(--pom);
  color: #fff;
  border-color: var(--pom);
}

.page-home .download-box .btn--ghost {
  color: var(--paper);
  border-color: rgba(246, 247, 249, .5);
}

/* ---------- 场景 ---------- */
.page-home .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: var(--home-rule);
}

.page-home .scene {
  padding: 26px 24px;
  background: #fff;
  transition: background var(--dur) var(--ease);
}

.page-home .scene:hover { background: var(--warm); }

.page-home .scene__num {
  margin: 0 0 10px;
  font-size: var(--fs-small);
  letter-spacing: .08em;
  color: var(--indigo);
}

.page-home .scene__title {
  margin: 0 0 12px;
  font-family: var(--font-ui);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
}

.page-home .scene__body {
  margin: 0 0 16px;
  font-size: .9375rem;
  color: var(--ink);
}

.page-home .scene__time {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: var(--fs-mono);
  color: var(--pom);
  font-weight: 600;
}

/* ---------- 效率区块 ---------- */
.page-home .why-block {
  position: relative;
  background: var(--warm);
  border-top: var(--home-rule);
}

.page-home .why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: var(--home-rule);
  margin-bottom: 40px;
}

.page-home .why-item {
  padding: 26px 24px;
  background: #fff;
}

.page-home .why-item__value {
  margin: 0 0 12px;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
  letter-spacing: -.02em;
}

.page-home .why-item__unit {
  display: inline-block;
  margin-left: 8px;
  font-size: var(--fs-small);
  font-weight: 400;
  color: var(--grey);
  letter-spacing: 0;
}

.page-home .why-item:first-child .why-item__value { color: var(--pom); }

.page-home .why-item__name {
  margin: 0 0 10px;
  font-family: var(--font-ui);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--indigo-deep);
  line-height: 1.5;
}

.page-home .why-item p {
  margin: 0;
  font-size: .9375rem;
  color: var(--grey);
}

.page-home .why-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 28px;
  background: var(--indigo-deep);
  color: var(--paper);
}

.page-home .why-cta__text h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 800;
  color: #fff;
}

.page-home .why-cta__text p {
  margin: 0;
  font-size: .9375rem;
  color: rgba(246, 247, 249, .88);
  max-width: 56ch;
}

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

.page-home .why-cta .btn--ghost {
  color: var(--paper);
  border-color: rgba(246, 247, 249, .5);
}

.page-home .why-more {
  margin: 24px 0 0;
  font-size: var(--fs-small);
  color: var(--grey);
}

.page-home .why-more a {
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-home .why-more a:hover { border-color: var(--pom); color: var(--pom); }

/* ---------- 图注 ---------- */
.page-home .figure__caption {
  margin-top: 10px;
  font-size: var(--fs-small);
  color: var(--grey);
  line-height: 1.7;
}

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

@media (min-width: 900px) {
  .page-home .hero {
    padding-top: calc(var(--section-gap) * .75);
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: calc(var(--gap) * 2.5);
  }

  .page-home .cat-layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-home .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .version-timeline {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .updates-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

  .page-home .why-cta {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: center;
    padding: 36px 40px;
  }

  .page-home .why-cta__actions { justify-content: flex-end; }
}

@media (min-width: 1200px) {
  .page-home .cat-item { padding: 22px 24px 22px 28px; }
  .page-home .cat-side { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition: none !important;
    transform: none !important;
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>