.page-home {
  --home-rail-w: 88px;
  --home-card-w: min(78vw, 306px);
  position: relative;
}

/* ---------- 首屏：规则速览台 ---------- */

.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 8vw, 88px) 0 clamp(32px, 5vw, 56px);
  background: var(--gradient-mist);
  border-bottom: 1px solid var(--line-hair);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  right: -12%;
  top: -22%;
  width: min(66vw, 640px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(226, 58, 120, 0.18), transparent 68%);
  pointer-events: none;
}

.page-home .home-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 52px);
  align-items: center;
}

.page-home .home-context {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--graphite);
  text-transform: uppercase;
}

.page-home .home-context-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.16);
  flex: none;
}

.page-home .home-hero-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(46px, 12vw, 104px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ivory);
}

.page-home .home-hero-title em {
  font-style: normal;
  color: var(--gold-bright);
  display: inline-block;
  padding-bottom: 4px;
  border-bottom: 3px solid var(--gold);
}

.page-home .home-hero-lede {
  margin: 22px 0 0;
  max-width: var(--measure);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--graphite);
}

.page-home .home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .home-hero-visual {
  position: relative;
  min-height: clamp(220px, 44vw, 420px);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.page-home .home-hero-visual .figure {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0.5;
}

.page-home .home-hero-visual .figure-media {
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--line-hair);
}

.page-home .home-hero-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.page-home .home-version-stamp {
  position: relative;
  z-index: 1;
  margin: 0 14px 14px 0;
  padding: 4px 18px;
  font-size: clamp(34px, 6.5vw, 64px);
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
  border: 1px solid var(--line-strong);
  background: rgba(5, 17, 15, 0.78);
}

.page-home .home-rule-brief {
  list-style: none;
  margin: clamp(36px, 5vw, 64px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-rule-brief li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 4px 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-hair);
}

.page-home .home-brief-num {
  grid-row: 1 / span 2;
  padding-top: 5px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-home .home-rule-brief strong {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ivory);
}

.page-home .home-brief-desc {
  display: block;
  margin-top: 6px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 版本演进 ---------- */

.page-home .home-timeline-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: clamp(28px, 4vw, 48px);
  align-items: stretch;
}

.page-home .home-rail {
  display: none;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
}

.page-home .home-rail-line {
  position: absolute;
  left: 50%;
  top: 14px;
  bottom: 14px;
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, var(--line-strong) 14%, var(--line-strong) 86%, transparent);
}

.page-home .home-rail-node {
  position: relative;
  z-index: 1;
  padding: 5px 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--graphite);
  background: var(--ink-base);
  border: 1px solid var(--line-hair);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .home-rail-node.is-current {
  color: var(--gold-bright);
  border-color: var(--line-strong);
}

.page-home .home-track {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 14px;
}

.page-home .home-track:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 4px;
}

.page-home .home-track-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  gap: 16px;
}

.page-home .home-tl-card {
  flex: 0 0 var(--home-card-w);
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 26px;
  scroll-snap-align: start;
  background: var(--ink-layer);
  border: 1px solid var(--line-hair);
  border-top: 2px solid var(--line-soft);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease), background 200ms var(--ease);
}

.page-home .home-tl-card:hover,
.page-home .home-tl-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.07), transparent 62%), var(--ink-layer);
}

.page-home .home-tl-card.is-current {
  border-top-color: var(--gold);
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.12), transparent 66%), var(--ink-layer);
}

.page-home .home-tl-card .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 22px);
  color: var(--ivory);
  line-height: 1.35;
}

.page-home .home-tl-card p:not(.meta-line) {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-home .home-tl-card .tag {
  margin-right: 8px;
}

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

.page-home .home-tl-link {
  margin-top: auto;
  padding-top: 14px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-bright);
  text-decoration: none;
  border-top: 1px solid var(--line-hair);
  transition: color 180ms var(--ease);
}

.page-home .home-tl-link:hover,
.page-home .home-tl-link:focus-visible {
  color: var(--neon);
}

.page-home .home-track-hint {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(138, 151, 145, 0.8);
}

/* ---------- 资料与记录 ---------- */

.page-home .home-tools-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: clamp(28px, 4vw, 48px);
}

.page-home .home-tool {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.page-home .home-tool .figure {
  margin: 0;
}

.page-home .home-tool .figure-media {
  overflow: hidden;
}

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

.page-home .home-tool .card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .home-tool .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.8vw, 26px);
  color: var(--ivory);
}

.page-home .home-tool .card-body > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 44em;
}

.page-home .home-tool-facts {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .home-tool-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-hair);
  font-size: 14px;
  color: var(--graphite);
}

.page-home .home-tool-facts b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  text-align: right;
}

.page-home .home-tool-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(138, 151, 145, 0.9);
}

.page-home .home-tool-link {
  margin-top: auto;
  align-self: flex-start;
  padding-top: 12px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .home-tool-link:hover,
.page-home .home-tool-link:focus-visible {
  color: var(--neon);
  border-bottom-color: currentColor;
}

.page-home .home-tool--record {
  border-left: 2px solid var(--line-cool);
}

/* ---------- 测试版品牌服务栏目 ---------- */

.page-home .home-beta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-home .home-beta-copy .lede {
  margin-bottom: 26px;
}

.page-home .home-acc {
  border-top: 1px solid var(--line-hair);
}

.page-home .home-acc:last-of-type {
  border-bottom: 1px solid var(--line-hair);
}

.page-home .home-acc summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 17px 40px 17px 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--ivory);
  transition: color 180ms var(--ease);
}

.page-home .home-acc summary::-webkit-details-marker {
  display: none;
}

.page-home .home-acc summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--gold);
}

.page-home .home-acc[open] summary::after {
  content: "–";
}

.page-home .home-acc summary:hover,
.page-home .home-acc summary:focus-visible {
  color: var(--gold-bright);
}

.page-home .home-acc p {
  margin: 0 0 20px;
  padding-right: 20px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-home .home-beta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 26px;
}

.page-home .home-beta-figure {
  margin: 0;
}

.page-home .home-beta-figure .figure-media {
  overflow: hidden;
  border: 1px solid var(--line-hair);
}

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

.page-home .home-beta-figure .figure-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 服务网络与规模 ---------- */

.page-home .home-stat-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(28px, 4vw, 48px);
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
}

.page-home .home-stat-band .stat {
  padding: 22px 18px 24px;
  background: var(--ink-base);
}

.page-home .home-stat-band .stat-value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--gold-bright);
}

.page-home .home-stat-band .stat-label {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

.page-home .home-reach-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: clamp(24px, 3.5vw, 40px);
  padding: 26px clamp(18px, 3vw, 34px);
  border: 1px solid var(--line-soft);
  background: linear-gradient(120deg, rgba(226, 58, 120, 0.12), rgba(201, 162, 39, 0.07) 58%, transparent);
}

.page-home .home-reach-line {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.75;
  color: var(--ivory);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-home .home-stat-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home {
    --home-card-w: 292px;
  }

  .page-home .home-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-home .home-rule-brief li {
    grid-template-columns: 2.8rem minmax(190px, 0.42fr) minmax(0, 1fr);
    align-items: baseline;
    gap: 6px 20px;
    padding: 22px 0;
  }

  .page-home .home-brief-num {
    grid-row: auto;
    padding-top: 0;
  }

  .page-home .home-brief-desc {
    grid-column: 3;
    margin-top: 0;
  }

  .page-home .home-timeline-grid {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    gap: 26px;
  }

  .page-home .home-rail {
    display: flex;
  }

  .page-home .home-tools-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: 22px;
  }
}

@media (min-width: 1020px) {
  .page-home .home-beta-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-home .home-beta-figure {
    margin-top: 34px;
  }
}

@media (max-width: 520px) {
  .page-home .home-version-stamp {
    margin: 0 10px 10px 0;
    padding: 3px 12px;
  }

  .page-home .home-tl-card {
    flex-basis: min(84vw, 290px);
    padding: 20px 18px 22px;
  }

  .page-home .home-reach-cta {
    padding: 20px 16px;
  }
}
<<<END>>>