.page-home {
  --home-sticky: 96px;
}

/* 首屏 */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 64px) 0 clamp(22px, 4vw, 48px);
}
.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .38;
  -webkit-mask-image: radial-gradient(120% 90% at 16% 32%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 16% 32%, #000 0%, transparent 72%);
}
.page-home .home-hero > .wrap {
  position: relative;
  z-index: 1;
}
.page-home .home-hero__title {
  font-family: var(--narrow);
  font-size: clamp(32px, 8.6vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 10px 0 20px;
  max-width: 15em;
}
.page-home .home-hero__lede {
  max-width: 62ch;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.9;
  color: var(--body-text);
}
.page-home .home-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .06em;
}
.page-home .home-hero__meta li::before {
  content: "\25C6";
  color: var(--gold);
  font-size: 9px;
  margin-right: 8px;
  vertical-align: 2px;
}

/* 版本地图主视觉 */
.page-home .home-map {
  margin: 0;
  padding: 0 0 clamp(18px, 4vw, 44px);
}
.page-home .home-map__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  object-fit: cover;
}

/* 三条入口导读 */
.page-home .home-routes {
  padding-top: clamp(32px, 6vw, 72px);
}
.page-home .route-line {
  margin: 0 0 16px;
}
.page-home .route-line svg {
  display: block;
  width: 100%;
  height: 26px;
  overflow: visible;
}
.page-home .route-line path {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  stroke-dasharray: 5 7;
}
.page-home .route-line circle {
  fill: var(--gold);
}
.page-home .home-routes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-home .route {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--ink);
  padding: 26px 22px 24px;
  transition: background .2s var(--ease);
}
.page-home .route:hover {
  background: var(--charcoal);
}
.page-home .route__num {
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--gold);
}
.page-home .route__title {
  margin: 0;
  font-family: var(--narrow);
  font-size: clamp(24px, 3.2vw, 32px);
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-home .route__text {
  margin: 0;
  color: var(--body-text);
  font-size: 15px;
  line-height: 1.85;
  max-width: 34ch;
}
.page-home .route__link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 14px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-home .route__link:hover {
  color: var(--gold-light);
  border-bottom-color: currentColor;
}

/* 分栏骨架 */
.page-home .home-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  padding-top: clamp(36px, 7vw, 84px);
}

.page-home .home-rail {
  align-self: start;
}
.page-home .home-rail__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--gold);
}
.page-home .home-rail .doc-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
}
.page-home .home-rail .doc-index__item {
  margin: 0;
}
.page-home .home-rail .doc-index__link {
  display: block;
  padding: 6px 10px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--radius);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.page-home .home-rail .doc-index__link:hover {
  color: var(--paper);
  background: var(--charcoal);
}
.page-home .home-rail .doc-index__link.is-active {
  color: var(--paper);
  background: var(--charcoal);
  box-shadow: inset 2px 0 0 var(--gold);
}
.page-home .home-rail__note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* 正文分块 */
.page-home .home-block {
  padding: clamp(34px, 6vw, 68px) 0;
  border-top: 1px solid var(--line);
}
.page-home .home-block:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-home .home-block__head {
  margin-bottom: 26px;
}
.page-home .home-block__title {
  margin: 8px 0 0;
  font-family: var(--narrow);
  font-size: clamp(26px, 4.2vw, 42px);
  letter-spacing: -0.015em;
  color: var(--paper);
}
.page-home .home-block__lead {
  margin: 14px 0 0;
  max-width: 58ch;
  color: var(--body-text);
  font-size: 16px;
  line-height: 1.85;
}

/* v3 导航 */
.page-home .home-navsplit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-bottom: 26px;
}
.page-home .home-navsplit__text p {
  margin: 0 0 14px;
}
.page-home .home-navsplit__text p:last-child {
  margin-bottom: 0;
}
.page-home .home-navshot {
  margin: 0;
}
.page-home .home-navshot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}
.page-home .nav-order {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-home .nav-order__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 18px;
  background: var(--ink);
  color: var(--body-text);
  font-size: 15px;
}
.page-home .nav-order__idx {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .12em;
}
.page-home .nav-order__item--key {
  background: linear-gradient(180deg, rgba(53, 210, 194, .09), rgba(53, 210, 194, .02));
  color: var(--paper);
}
.page-home .nav-order__item--key .nav-order__idx {
  color: var(--cyan);
}

/* 最近变更 */
.page-home .changes-banner {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  overflow: hidden;
}
.page-home .changes-banner img {
  display: block;
  width: 100%;
  height: auto;
}
.page-home .changes-banner__cap {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--charcoal);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .08em;
}
.page-home .home-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.page-home .change-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
.page-home .change {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 20px;
}
.page-home .change__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.page-home .change__title {
  margin: 0;
  font-family: var(--sans);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}
.page-home .change__sum {
  margin: 0;
  color: var(--body-text);
  font-size: 15px;
  line-height: 1.8;
}
.page-home .change .fold__summary {
  align-self: flex-start;
  margin-top: auto;
  padding: 3px 0;
  background: none;
  border: 0;
  border-bottom: 1px dashed var(--line);
  color: var(--gold);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
}
.page-home .change .fold__summary:hover {
  border-bottom-color: var(--gold);
  color: var(--gold-light);
}
.page-home .change .fold__icon {
  display: inline-block;
  margin-left: 6px;
  color: var(--gold-light);
}
.page-home .change .fold__body {
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}
.page-home .change .fold__body p {
  margin: 0;
}

/* 设备入口预览 */
.page-home .device-preview {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}
.page-home .device-preview__visual {
  margin: 0;
}
.page-home .device-preview__visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}
.page-home .matrix {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-home .matrix__row {
  display: grid;
  grid-template-columns: 68px 88px minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
}
.page-home .matrix__cell {
  display: flex;
  align-items: center;
  padding: 12px 12px;
  background: var(--charcoal);
  color: var(--body-text);
  font-size: 14px;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.page-home .matrix__cell--key {
  color: var(--paper);
  font-size: 15px;
  font-weight: 600;
}
.page-home .matrix__row--head .matrix__cell {
  background: var(--ink-deep);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
}
.page-home .matrix__row:hover .matrix__cell {
  background: #14343A;
  color: var(--paper);
}
.page-home .matrix__row:hover .matrix__cell--key {
  color: var(--cyan);
}
.page-home .device-chip {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  border: 1px solid var(--cyan-deep);
  border-radius: var(--radius);
  padding: 3px 8px;
  background: rgba(53, 210, 194, .08);
}
.page-home .device-preview__foot {
  margin: 22px 0 0;
  color: var(--body-text);
  font-size: 15px;
  line-height: 1.85;
}
.page-home .device-preview__foot .route__link {
  margin-left: 8px;
  padding-top: 0;
  display: inline-block;
}

/* 文档与内容 */
.page-home .doc-cols {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.page-home .doc-cols li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: var(--charcoal);
  border: 1px solid var(--line);
  color: var(--body-text);
  font-size: 14px;
}
.page-home .doc-cols b {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--gold);
}
.page-home .docs-note {
  margin: 22px 0 0;
  color: var(--body-text);
  font-size: 16px;
  line-height: 1.85;
}
.page-home .center-stat {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-home .center-stat__item {
  background: var(--ink);
  padding: 20px 18px;
}
.page-home .center-stat__num {
  display: block;
  font-family: var(--narrow);
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-home .center-stat__label {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .04em;
}

/* 联系与备案 */
.page-home .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-home .contact-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--charcoal);
  padding: 22px 20px;
}
.page-home .contact-cell__key {
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--muted);
}
.page-home .contact-cell__val {
  color: var(--paper);
  font-size: 17px;
  line-height: 1.6;
  word-break: break-word;
}
.page-home .contact-cell__note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}
.page-home .contact-cell .copy-btn {
  align-self: flex-start;
  margin-top: 4px;
}
.page-home .contact-foot {
  margin: 20px 0 0;
}
.page-home .contact-foot .route__link {
  padding-top: 0;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-home .nav-order {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .doc-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-home .home-routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .home-navsplit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 36px;
    align-items: center;
  }
  .page-home .device-preview {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 32px;
    align-items: start;
  }
  .page-home .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .center-stat {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .changes-banner {
    max-width: 720px;
  }
}

@media (min-width: 880px) {
  .page-home .change-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1000px) {
  .page-home .home-split {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
  .page-home .home-rail {
    position: sticky;
    top: var(--home-sticky);
    border-left: 2px solid var(--gold);
    padding-left: 18px;
  }
  .page-home .home-rail .doc-index {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
  .page-home .nav-order {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}
<<<END>>>