.page-home {
  display: block;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-home .crumbs {
  padding-top: var(--s4);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: var(--s5) 0 var(--s7);
  border-bottom: 1px solid var(--hair);
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 84% 6%, rgba(46, 230, 176, 0.10), transparent 62%),
    radial-gradient(90% 70% at 6% 94%, rgba(255, 162, 58, 0.08), transparent 64%);
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s4);
}

.page-home .home-hero__lead {
  min-width: 0;
}

.page-home .home-hero__title {
  margin: var(--s3) 0 var(--s4);
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(38px, 8.6vw, 104px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .home-hero__line {
  display: block;
}

.page-home .home-hero__line--dim {
  color: var(--cold);
}

.page-home .home-hero__lede {
  max-width: 48ch;
  margin: 0 0 var(--s5);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  color: var(--cold);
}

.page-home .home-hero__actions {
  gap: var(--s3);
  flex-wrap: wrap;
}

.page-home .home-hero__focus {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair-strong);
  background: var(--board);
  overflow: hidden;
}

.page-home .home-hero__focus img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  object-position: center 42%;
  filter: contrast(1.08) saturate(0.9);
}

.page-home .home-hero__focus .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--s3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cold);
  background: linear-gradient(transparent, rgba(10, 18, 32, 0.9));
}

.page-home .home-hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2) var(--s4);
  padding: var(--s3) var(--s4);
  border: 1px solid var(--hair);
  background: var(--board);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cold);
}

.page-home .home-hero__status-item b {
  color: var(--amber);
  font-weight: 600;
}

.page-home .home-hero__status-item--mute {
  color: var(--mute);
}

.page-home .home-hero__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-home .home-hero__metric {
  display: flex;
  flex-direction: column;
  gap: var(--s2);
  padding: var(--s3) var(--s4) var(--s4);
  background: var(--board);
}

.page-home .home-hero__metric-value {
  display: flex;
  align-items: baseline;
  gap: var(--s2);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-home .home-hero__metric-unit {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fluoro);
}

.page-home .home-hero__metric-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

/* ---------- 页面骨架：侧栏锚点 + 内容流 ---------- */
.page-home .home-layout {
  padding-top: var(--s7);
  padding-bottom: var(--s8);
}

.page-home .home-rail {
  display: none;
}

.page-home .home-flow {
  min-width: 0;
}

.page-home .home-flow > .section:first-child {
  padding-top: 0;
}

.page-home .home-flow > .section:last-child {
  padding-bottom: 0;
}

/* ---------- 区块通用微调 ---------- */
.page-home .section__title {
  font-weight: 200;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .section__head {
  align-items: baseline;
}

/* ---------- 轮次归档 ---------- */
.page-home .home-archive {
  border-top: 1px solid var(--hair);
  padding-top: var(--s6);
}

.page-home .home-archive__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s5);
  margin-top: var(--s5);
}

.page-home .home-archive__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--board);
  overflow: hidden;
}

.page-home .home-archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.9);
}

.page-home .home-archive__figure .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--s3);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cold);
  background: linear-gradient(transparent, rgba(10, 18, 32, 0.9));
}

.page-home .home-archive__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--cold);
}

.page-home .home-archive__steps {
  list-style: none;
  margin: var(--s5) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-home .home-archive__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--s3);
  align-items: baseline;
  padding: var(--s3) var(--s4);
  background: var(--ink);
}

.page-home .home-archive__step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fluoro);
}

.page-home .home-archive__step-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--cold);
}

.page-home .home-archive__pin {
  margin-top: var(--s5);
  padding: var(--s4);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
}

.page-home .home-archive__pin-main {
  min-width: 0;
  flex: 1 1 260px;
}

.page-home .home-archive__pin-text {
  margin: var(--s2) 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cold);
}

.page-home .home-archive__pin-text b {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--amber);
}

/* ---------- 版本对照 ---------- */
.page-home .home-versions {
  border-top: 1px solid var(--hair);
  padding-top: var(--s6);
}

.page-home .home-versions__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s5);
  margin-top: var(--s5);
}

.page-home .home-versions__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--board);
  overflow: hidden;
}

.page-home .home-versions__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: contrast(1.06) saturate(0.9);
}

.page-home .home-versions__figure .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--s3);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cold);
  background: linear-gradient(transparent, rgba(10, 18, 32, 0.9));
}

.page-home .home-versions__folds {
  border: 1px solid var(--hair);
  background: var(--board);
}

.page-home .home-versions__folds .fold + .fold {
  border-top: 1px solid var(--hair);
}

.page-home .home-versions__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fluoro);
  min-width: 52px;
}

.page-home .home-versions__name {
  font-size: 15px;
  color: var(--paper);
}

.page-home .home-versions__folds .fold__body p {
  margin: 0 0 var(--s3);
  font-size: 15px;
  line-height: 1.8;
  color: var(--cold);
}

.page-home .home-versions__more {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fluorо, var(--fluoro));
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 176, 0.5);
  padding-bottom: 2px;
}

.page-home .home-versions__more:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 数据刷新与回溯 ---------- */
.page-home .home-data {
  border-top: 1px solid var(--hair);
  padding-top: var(--s6);
}

.page-home .home-data__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s5);
  margin-top: var(--s5);
}

.page-home .home-data__main {
  padding: var(--s4);
}

.page-home .home-data__freq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s4);
  margin: var(--s3) 0 var(--s5);
}

.page-home .home-data__freq-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--s2);
}

.page-home .home-data__freq-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
  color: var(--amber);
}

.page-home .home-data__freq-unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cold);
}

.page-home .home-data__freq-label {
  flex-basis: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-home .home-data__chart {
  border: 1px solid var(--hair);
  background: var(--ink);
  padding: var(--s3);
}

.page-home .home-data__chart .spark {
  position: relative;
  display: block;
}

.page-home .home-data__chart .spark__svg {
  display: block;
  width: 100%;
  height: 180px;
}

.page-home .home-data__chart .spark__grid line {
  stroke: var(--hair);
  stroke-width: 1;
  stroke-dasharray: 2 6;
}

.page-home .home-data__chart .spark__line {
  fill: none;
  stroke: var(--fluoro);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px rgba(46, 230, 176, 0.45));
}

.page-home .home-data__axis {
  display: flex;
  justify-content: space-between;
  margin-top: var(--s2);
}

.page-home .home-data__axis .coord {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-home .home-data__aside {
  min-width: 0;
}

.page-home .home-data__figure {
  margin: 0 0 var(--s4);
  border: 1px solid var(--hair);
  background: var(--board);
  overflow: hidden;
}

.page-home .home-data__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-home .home-data__text {
  margin: 0 0 var(--s3);
  font-size: 15px;
  line-height: 1.85;
  color: var(--cold);
}

.page-home .home-data__note {
  margin: 0 0 var(--s3);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--mute);
}

.page-home .home-data__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fluoro);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 176, 0.5);
  padding-bottom: 2px;
}

.page-home .home-data__link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 关于与联系 ---------- */
.page-home .home-trust {
  border-top: 1px solid var(--hair);
  padding-top: var(--s6);
}

.page-home .home-trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s5);
  margin-top: var(--s5);
}

.page-home .home-trust__text {
  margin: 0 0 var(--s5);
  font-size: 16px;
  line-height: 1.85;
  color: var(--cold);
}

.page-home .home-trust__actions {
  gap: var(--s3);
  flex-wrap: wrap;
}

.page-home .home-trust__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-home .home-trust__item {
  display: grid;
  gap: var(--s2);
  padding: var(--s4);
  background: var(--board);
}

.page-home .home-trust__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fluoro);
}

.page-home .home-trust__val {
  font-size: 15px;
  line-height: 1.8;
  color: var(--cold);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-home .home-hero__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .home-hero {
    padding: var(--s6) 0 var(--s8);
  }

  .page-home .home-hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
    align-items: start;
  }

  .page-home .home-hero__lead {
    grid-column: 1 / span 7;
    grid-row: 1;
  }

  .page-home .home-hero__focus {
    grid-column: 8 / span 5;
    grid-row: 1 / span 2;
    min-height: 100%;
  }

  .page-home .home-hero__focus img {
    min-height: 340px;
  }

  .page-home .home-hero__status {
    grid-column: 1 / span 7;
    grid-row: 2;
  }

  .page-home .home-hero__metrics {
    grid-column: 1 / span 12;
    grid-row: 3;
    margin-top: var(--s2);
  }

  .page-home .home-archive__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--s6);
    align-items: start;
  }

  .page-home .home-versions__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--s5);
    align-items: start;
  }

  .page-home .home-data__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--s6);
    align-items: start;
  }

  .page-home .home-trust__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--s6);
    align-items: start;
  }
}

/* ---------- 宽屏：侧栏锚点 ---------- */
@media (min-width: 1120px) {
  .page-home .home-layout {
    display: grid;
    grid-template-columns: 116px minmax(0, 1fr);
    gap: var(--s5);
    align-items: start;
  }

  .page-home .home-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + var(--s5));
    padding-top: var(--s2);
  }

  .page-home .home-rail__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--s4);
  }

  .page-home .home-rail__link {
    display: block;
    padding: 2px 0 2px var(--s3);
    border-left: 1px solid var(--hair-strong);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--mute);
    text-decoration: none;
    transition: color 180ms var(--ease), border-color 180ms var(--ease);
  }

  .page-home .home-rail__link:hover {
    color: var(--fluoro);
    border-left-color: var(--fluoro);
  }

  .page-home .home-rail__link[aria-current="true"] {
    color: var(--amber);
    border-left-color: var(--amber);
  }
}

@media (min-width: 1440px) {
  .page-home .home-hero__lede {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-rail__link,
  .page-home .home-versions__more,
  .page-home .home-data__link {
    transition: none;
  }
}
<<<END>>>

.page-home {
  --fluorо: currentColor;
}