.page-home {
  --home-sticky-top: calc(var(--header-h) + 24px);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 88vh;
  padding: calc(var(--header-h) + 56px) 0 72px;
  overflow: hidden;
  background: var(--ink-900);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-home .hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90% 70% at 12% 18%, rgba(27, 77, 255, 0.42), transparent 62%),
    radial-gradient(60% 50% at 88% 84%, rgba(0, 229, 192, 0.16), transparent 68%),
    linear-gradient(180deg, rgba(11, 16, 48, 0.55) 0%, rgba(11, 16, 48, 0.94) 100%);
}

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

.page-home .hero__title {
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-home .hero__title-accent {
  display: inline-block;
  background: linear-gradient(96deg, var(--brand-soft) 0%, var(--cyan) 72%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-home .hero__title-accent {
    color: var(--cyan);
    background: none;
  }
}

.page-home .hero__lede {
  margin-top: 22px;
  max-width: 48ch;
  color: var(--text-2);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-home .hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-14);
  color: var(--text-3);
}

.page-home .hero__meta .mono {
  color: var(--cyan);
}

.page-home .hero__badge {
  position: absolute;
  right: var(--gutter);
  bottom: 15%;
  z-index: 2;
  text-align: right;
  pointer-events: none;
}

.page-home .hero__badge-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.5rem, 11vw, 9rem);
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 2px var(--cyan);
}

.page-home .hero__badge-cap {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.28em;
  color: var(--steel);
}

.page-home .hero__index {
  position: absolute;
  right: calc(var(--gutter) - 12px);
  top: calc(var(--header-h) + 88px);
  z-index: 2;
  writing-mode: vertical-rl;
  letter-spacing: 0.34em;
  font-size: var(--fs-12);
  color: var(--steel);
}

@media (max-width: 1199px) {
  .page-home .hero__index {
    display: none;
  }
}

@media (max-width: 899px) {
  .page-home .hero__badge {
    display: none;
  }
}

@media (min-width: 1024px) {
  .page-home .hero {
    min-height: 100vh;
    padding: calc(var(--header-h) + 72px) 0 96px;
  }
}

/* ---------- 主体双栏 ---------- */
.page-home .home-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 64px;
  padding-top: 88px;
  padding-bottom: 88px;
}

@media (min-width: 1024px) {
  .page-home .home-body {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 72px;
    padding-top: 120px;
    padding-bottom: 120px;
  }
}

.page-home .home-main {
  display: flex;
  flex-direction: column;
  gap: 104px;
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-home .home-main {
    gap: 132px;
  }
}

.page-home .home-block {
  scroll-margin-top: var(--home-sticky-top);
}

.page-home .home-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-home .home-text {
  margin-top: 16px;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--text-2);
}

/* ---------- 两步进入 ---------- */
.page-home .home-enter {
  display: grid;
  gap: 30px;
  margin-top: 34px;
}

@media (min-width: 900px) {
  .page-home .home-enter {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-home .home-enter__fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-paper);
  overflow: hidden;
}

.page-home .home-enter__fig img,
.page-home .home-map-fig img,
.page-home .panel__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

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

.page-home .step {
  padding: 2px 0 2px 18px;
  border-left: 2px solid var(--brand);
}

.page-home .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .step__title {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-20);
  line-height: 1.35;
  color: var(--text);
}

.page-home .step__text {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-2);
}

.page-home .home-note {
  margin-top: 30px;
  padding: 16px 18px;
  border: 1px dashed var(--ink-700);
  background: rgba(35, 43, 92, 0.35);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-2);
}

/* ---------- 栏目地图 ---------- */
.page-home .home-map-fig {
  margin: 32px 0 0;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-paper);
  overflow: hidden;
}

.page-home .clusters {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 620px) {
  .page-home .clusters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-home .clusters {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .cluster {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .cluster:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-home .cluster__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-home .cluster__title {
  margin: 10px 0 0;
  font-size: var(--fs-20);
  line-height: 1.3;
}

.page-home .cluster__title a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .cluster__title a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-home .cluster__text {
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 右侧版本与资源面板 ---------- */
.page-home .home-side {
  min-width: 0;
}

.page-home .panel-sticky {
  position: sticky;
  top: var(--home-sticky-top);
  display: grid;
  gap: 16px;
}

@media (max-width: 1023px) {
  .page-home .panel-sticky {
    position: static;
  }
}

.page-home .panel {
  padding: 24px 22px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-paper);
}

.page-home .panel__title {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-home .panel__note {
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-2);
}

.page-home .panel__table {
  width: 100%;
  margin-top: 18px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-home .panel__table th,
.page-home .panel__table td {
  padding: 8px 4px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.page-home .panel__table th {
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-home .panel__table td {
  color: var(--text-2);
}

.page-home .panel__table td.mono {
  color: var(--text);
}

.page-home .panel__foot {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-home .panel__sub {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-16);
  color: var(--text);
}

.page-home .panel__fig {
  margin: 14px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
}

.page-home .res-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-home .res-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: var(--fs-14);
  color: var(--text-2);
}

.page-home .res-list__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .panel__cta {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 20px;
}

.page-home .panel-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .panel-nav a {
  padding: 6px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--steel);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .panel-nav a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 变更说明（浅底区） ---------- */
.page-home .change-zone {
  padding: 88px 0;
  background: var(--paper);
  border-top: 2px solid var(--brand);
  scroll-margin-top: var(--home-sticky-top);
}

@media (min-width: 1024px) {
  .page-home .change-zone {
    padding: 120px 0;
  }
}

.page-home .change-zone .eyebrow {
  color: var(--brand);
}

.page-home .change-zone .home-h2 {
  color: var(--ink-900);
}

.page-home .change-zone .home-text {
  color: var(--ink-700);
}

.page-home .change-list {
  margin-top: 38px;
  max-width: 880px;
}

.page-home .change-item {
  border-top: 1px solid var(--mist);
}

.page-home .change-item:last-child {
  border-bottom: 1px solid var(--mist);
}

.page-home .change-item__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 20px 2px;
  cursor: pointer;
  list-style: none;
  transition: color 180ms var(--ease);
}

.page-home .change-item__sum::-webkit-details-marker {
  display: none;
}

.page-home .change-item__ver {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  color: var(--brand);
}

.page-home .change-item__title {
  font-size: var(--fs-16);
  line-height: 1.5;
  color: var(--ink-900);
}

.page-home .change-item__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1;
  color: var(--brand);
}

.page-home .change-item[open] .change-item__sum::after {
  content: "–";
}

.page-home .change-item__body {
  padding: 0 2px 22px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-700);
}

.page-home .change-item__body p {
  margin: 0;
  max-width: 66ch;
}

/* ---------- 支持与服务 ---------- */
.page-home .support {
  padding: 88px 0;
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  border-top: 1px solid var(--line);
  scroll-margin-top: var(--home-sticky-top);
}

@media (min-width: 1024px) {
  .page-home .support {
    padding: 120px 0;
  }
}

.page-home .support-grid {
  display: grid;
  gap: 14px;
  margin-top: 38px;
}

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

@media (min-width: 1180px) {
  .page-home .support-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .support-card {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-home .support-card__k {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .support-card__v {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-home .support-card__d {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-2);
}

.page-home .support-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 30px;
  font-size: var(--fs-14);
  color: var(--text-2);
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cluster,
  .page-home .cluster__title a,
  .page-home .panel-nav a,
  .page-home .change-item__sum {
    transition: none;
  }

  .page-home .cluster:hover {
    transform: none;
  }
}
<<<END>>>