.page-home {
  position: relative;
  background: var(--void);
  color: var(--white);
  overflow-x: clip;
}

.page-home .container {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-home .section {
  position: relative;
  padding: 64px 0;
  overflow: hidden;
}

.page-home .section--night { background: var(--night); }

@media (min-width: 900px) {
  .page-home .section { padding: 96px 0; }
}

/* 纹理与色带 */
.page-home .scan {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(233, 242, 255, 0.05) 0 1px, transparent 1px 5px);
  pointer-events: none;
  z-index: 0;
}

.page-home .band {
  position: absolute;
  left: 0;
  right: 0;
  height: 160px;
  pointer-events: none;
  z-index: 0;
}

.page-home .band--top {
  top: -40px;
  background: linear-gradient(90deg, rgba(0, 227, 233, 0), rgba(0, 227, 233, 0.16), rgba(255, 106, 26, 0));
  clip-path: polygon(0 42%, 100% 4%, 100% 58%, 0 96%);
}

.page-home .band--mid {
  bottom: -50px;
  background: linear-gradient(90deg, rgba(255, 106, 26, 0), rgba(255, 106, 26, 0.14), rgba(0, 227, 233, 0));
  clip-path: polygon(0 6%, 100% 46%, 100% 100%, 0 60%);
}

.page-home .section > .container { position: relative; z-index: 1; }

/* 坐标索引（宽屏固定左侧） */
.page-home .index-rail { display: none; }

@media (min-width: 1440px) {
  .page-home .index-rail {
    display: flex;
    position: fixed;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    flex-direction: column;
    gap: 22px;
    z-index: 20;
  }

  .page-home .index-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--mist);
    text-decoration: none;
    font-size: 12px;
    line-height: 1;
    transition: color 0.2s var(--ease);
  }

  .page-home .index-link__bar {
    display: block;
    width: 16px;
    height: 1px;
    background: var(--grid);
    transition: width 0.2s var(--ease), background 0.2s var(--ease);
  }

  .page-home .index-link:hover { color: var(--cyan); }
  .page-home .index-link:hover .index-link__bar { width: 28px; background: var(--cyan); }
  .page-home .index-link[aria-current="true"] { color: var(--cyan); }
  .page-home .index-link[aria-current="true"] .index-link__bar { width: 30px; background: var(--cyan); }
}

/* 页面上下文 */
.page-home .page-context {
  margin: 0 0 20px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

/* 框景首屏 */
.page-home .sec-hero { padding-top: 40px; }

.page-home .hero-frame {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 32px 20px 28px;
  border: var(--hairline);
  background: linear-gradient(155deg, rgba(10, 21, 38, 0.96) 0%, rgba(5, 9, 18, 0.98) 70%);
  overflow: hidden;
}

@media (min-width: 900px) {
  .page-home .sec-hero { padding-top: 72px; }

  .page-home .hero-frame {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    padding: 52px 44px 48px;
    align-items: center;
  }
}

.page-home .hero-tick {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 0 solid var(--cyan);
  opacity: 0.85;
  z-index: 2;
}

.page-home .hero-tick--tl { top: 10px; left: 10px; border-top-width: 2px; border-left-width: 2px; }
.page-home .hero-tick--tr { top: 10px; right: 10px; border-top-width: 2px; border-right-width: 2px; }
.page-home .hero-tick--bl { bottom: 10px; left: 10px; border-bottom-width: 2px; border-left-width: 2px; }
.page-home .hero-tick--br { bottom: 10px; right: 10px; border-bottom-width: 2px; border-right-width: 2px; }

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

.page-home .hero-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-size: clamp(30px, 6.2vw, 62px);
  color: var(--white);
}

.page-home .hero-lede {
  max-width: 34em;
  margin: 0 0 28px;
  color: var(--white);
}

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

.page-home .hero-meta {
  margin: 22px 0 0;
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-home .hero-visual {
  position: relative;
  margin: 0;
  min-height: 240px;
  border: var(--hairline);
  background: var(--night);
  overflow: hidden;
}

@media (min-width: 900px) {
  .page-home .hero-visual { min-height: 380px; }
}

.page-home .hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-home .hero-card {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  padding: 14px 16px 12px;
  background: rgba(16, 31, 53, 0.92);
  border: var(--hairline);
  transform: translateX(8%);
  z-index: 2;
}

.page-home .hero-card .mono-label {
  margin: 0 0 10px;
  color: var(--cyan);
}

.page-home .hero-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--white);
}

.page-home .hero-card__list .mono {
  color: var(--amber);
  margin-right: 8px;
}

/* 章节头 */
.page-home .section-head { margin-bottom: 36px; }

.page-home .section-title {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.15;
  font-size: clamp(22px, 3.6vw, 36px);
  color: var(--white);
}

.page-home .section-note {
  margin: 0;
  max-width: 46em;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

/* 入口区 */
.page-home .entry-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 1024px) {
  .page-home .entry-layout { grid-template-columns: 300px 1fr; gap: 36px; align-items: start; }
}

.page-home .entry-figure {
  margin: 0;
  border: var(--hairline);
  background: var(--steel);
}

.page-home .entry-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .entry-figure .mono-label {
  display: block;
  padding: 10px 12px;
  border-top: var(--hairline);
  color: var(--mist);
}

.page-home .entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 680px) {
  .page-home .entry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

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

.page-home .entry-card {
  position: relative;
  display: block;
  padding: 20px 18px 18px;
  background: var(--steel);
  border: var(--hairline);
  color: inherit;
  text-decoration: none;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-home .entry-card:hover,
.page-home .entry-card:focus-visible {
  transform: translateY(-4px) scale(1.04);
  border-color: var(--cyan);
  background: #14263f;
}

.page-home .entry-card__coord {
  display: block;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-home .entry-card__title {
  margin: 12px 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-home .entry-card__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .entry-card__go {
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

/* 规则时间轴 */
.page-home .rule-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 30px;
  list-style: none;
}

.page-home .rule-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--grid);
}

@media (min-width: 1024px) {
  .page-home .rule-timeline {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 44px;
    padding-left: 30px;
  }

  .page-home .rule-timeline::before { left: 8px; }
}

.page-home .rule-node {
  position: relative;
  padding: 18px 0;
  border-bottom: var(--hairline);
}

.page-home .rule-node::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 26px;
  width: 9px;
  height: 9px;
  background: var(--void);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-home .rule-node.is-in::before {
  animation: home-node-pulse 0.7s var(--ease) 1;
}

@keyframes home-node-pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 227, 233, 0.6); }
  100% { box-shadow: 0 0 0 14px rgba(0, 227, 233, 0); }
}

.page-home .rule-node__stage {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.08em;
}

.page-home .rule-node__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-home .rule-node__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* 通用区块尾 */
.page-home .section-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
}

.page-home .foot-note {
  font-size: 12px;
  color: var(--mist);
}

/* 客户端区 */
.page-home .client-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 1024px) {
  .page-home .client-layout { grid-template-columns: 8fr 4fr; gap: 44px; align-items: start; }
}

.page-home .client-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-home .spec-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-home .spec-table caption {
  text-align: left;
  padding: 0 0 12px;
  color: var(--cyan);
}

.page-home .spec-table th,
.page-home .spec-table td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: var(--hairline);
  vertical-align: top;
}

.page-home .spec-table thead th {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  border-bottom: 1px solid var(--cyan-deep);
}

.page-home .spec-table td:first-child {
  font-family: var(--font-mono);
  color: var(--cyan);
  white-space: nowrap;
}

.page-home .spec-table td { color: var(--white); }

.page-home .client-note {
  margin: 22px 0 24px;
  max-width: 46em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .client-figure {
  position: relative;
  margin: 0;
  border: var(--hairline);
  background: var(--steel);
  overflow: hidden;
}

.page-home .client-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .client-figure .mono-label {
  display: block;
  padding: 10px 12px;
  border-top: var(--hairline);
  color: var(--mist);
}

/* 路径回查 */
.page-home .data-list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-home .data-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding: 16px 0 6px;
  border-top: var(--hairline);
}

.page-home .data-val {
  margin: 0;
  padding: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
  border-bottom: var(--hairline);
}

@media (min-width: 760px) {
  .page-home .data-list {
    grid-template-columns: 160px minmax(0, 1fr);
    column-gap: 28px;
  }

  .page-home .data-key {
    padding: 18px 0;
    border-bottom: var(--hairline);
  }

  .page-home .data-val {
    padding: 18px 0;
    border-bottom: var(--hairline);
  }
}

.page-home .path-figure {
  margin: 36px 0 0;
  border: var(--hairline);
  background: var(--steel);
  overflow: hidden;
}

.page-home .path-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
}

/* 服务范围 */
.page-home .scope-panel {
  position: relative;
  padding: 32px 22px;
  border: var(--hairline);
  background: linear-gradient(140deg, rgba(16, 31, 53, 0.9), rgba(10, 21, 38, 0.6));
}

@media (min-width: 900px) {
  .page-home .scope-panel { padding: 52px 48px; }
}

.page-home .scope-panel .section-index { margin-bottom: 6px; }

.page-home .scope-lede {
  max-width: 52em;
  margin: 0 0 24px;
}

.page-home .scope-list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  max-width: 62em;
}

.page-home .scope-meta {
  margin: 22px 0 0;
  font-size: 12px;
  color: var(--mist);
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-home .entry-card:hover,
  .page-home .entry-card:focus-visible { transform: none; }

  .page-home .rule-node.is-in::before { animation: none; }
}
<<<END>>>
