.page-home {
  --home-gap: clamp(16px, 3vw, 32px);
  --home-line: rgba(22, 51, 44, 0.72);
  --home-line-strong: rgba(56, 242, 192, 0.32);
  --home-card: linear-gradient(165deg, rgba(12, 33, 28, 0.96), rgba(6, 18, 15, 0.92));
}

.page-home .eyebrow {
  margin: 0;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero {
  display: grid;
  gap: var(--home-gap);
  padding-block: clamp(28px, 6vw, 64px) clamp(20px, 4vw, 40px);
}

.page-home .hero__main {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-home .hero__eyebrow {
  color: var(--cyan);
  opacity: 0.9;
}

.page-home .hero__title {
  margin: 0;
  font-weight: 200;
  letter-spacing: -0.03em;
  line-height: 1.02;
}

.page-home .hero__lede {
  max-width: 34em;
  color: var(--muted);
}

.page-home .hero__actions,
.page-home .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-home .hero__collage {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .hero__figure {
  margin: 0;
  aspect-ratio: 16 / 10;
}

.page-home .collage-card {
  display: grid;
  gap: 4px;
  padding: 18px 22px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--home-line-strong);
  background: var(--home-card);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .collage-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-home .collage-card__num {
  margin: 0;
  font-family: var(--font-num);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: clamp(52px, 11vw, 88px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-home .collage-card__num span {
  font-size: 0.42em;
  color: var(--orange);
  vertical-align: super;
  margin-left: 2px;
}

.page-home .collage-card__label {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 22em;
}

@media (min-width: 900px) {
  .page-home .hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
    background-image:
      linear-gradient(to right, rgba(56, 242, 192, 0.045) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(56, 242, 192, 0.045) 1px, transparent 1px);
    background-size: 72px 72px;
    background-position: -1px -1px;
  }

  .page-home .hero__main {
    padding-top: 10px;
  }

  .page-home .hero__collage {
    margin-top: 8px;
  }
}

/* ---------- 指标条 ---------- */
.page-home .metrics {
  padding-bottom: clamp(28px, 6vw, 64px);
}

.page-home .metrics__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-home .metrics__item {
  display: grid;
  gap: 10px;
  padding: 20px 22px 22px;
  background: linear-gradient(160deg, var(--ink-2), var(--ink));
  transition: background-color var(--dur) var(--ease);
}

.page-home .metrics__item:hover {
  background: linear-gradient(160deg, #123029, var(--ink));
}

.page-home .metrics__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-home .metrics__num {
  font-family: var(--font-num);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5.2vw, 44px);
  line-height: 1;
  color: var(--text);
}

.page-home .metrics__unit {
  font-size: 0.44em;
  margin-left: 2px;
  color: var(--muted);
}

.page-home .metrics__bar {
  display: block;
  width: 100%;
  height: 10px;
  color: var(--cyan);
}

.page-home .metrics__bar--warm {
  color: var(--orange);
}

.page-home .metrics__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-home .metrics__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 分区标题 ---------- */
.page-home .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-home .section-head .section-title {
  margin: 0;
  max-width: 18em;
}

/* ---------- 改版三件事 ---------- */
.page-home .changes {
  padding-block: clamp(32px, 6vw, 72px);
}

.page-home .changes__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .change {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 24px 24px 26px;
  border-radius: var(--r-lg);
  border: 1px solid var(--home-line);
  background: var(--home-card);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .change:hover {
  transform: translateY(-3px);
  border-color: var(--home-line-strong);
}

.page-home .change:focus-within {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .change__glyph {
  display: block;
  width: 100%;
  max-width: 190px;
  height: auto;
  color: var(--cyan);
  opacity: 0.85;
}

.page-home .change h3 {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .change p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .change__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
}

.page-home .change--b {
  border-color: var(--home-line-strong);
}

@media (min-width: 900px) {
  .page-home .changes__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-home .change--a {
    grid-column: span 4;
  }

  .page-home .change--b {
    grid-column: span 5;
    margin-top: -26px;
  }

  .page-home .change--c {
    grid-column: span 3;
    margin-top: 34px;
  }
}

/* ---------- 资料背后 ---------- */
.page-home .library {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
}

.page-home .library__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .library__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
}

.page-home .stat {
  display: grid;
  gap: 6px;
  align-content: start;
  padding-left: 16px;
  border-left: 1px solid var(--home-line-strong);
}

.page-home .stat__num {
  font-family: var(--font-num);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 6.4vw, 52px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan-soft);
}

.page-home .stat__unit {
  font-size: 0.5em;
  color: var(--orange);
  margin-left: 2px;
}

.page-home .stat__label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .library__figure {
  margin: 0;
  aspect-ratio: 2 / 1;
}

.page-home .library__note {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  border-top: 1px solid var(--home-line);
  padding-top: 18px;
}

@media (min-width: 900px) {
  .page-home .library__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-home .library__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 24px;
  }
}

/* ---------- 两步路径横滑带 ---------- */
.page-home .steps {
  padding-block: clamp(32px, 6vw, 72px);
}

.page-home .steps__strip {
  display: flex;
  gap: var(--home-gap);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 2px 0 18px;
  scrollbar-width: thin;
}

.page-home .step-card {
  flex: 0 0 min(78vw, 380px);
  scroll-snap-align: start;
  display: grid;
  gap: 14px;
  align-content: start;
  border-radius: var(--r-lg);
  border: 1px solid var(--home-line);
  background: var(--home-card);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .step-card:hover {
  transform: translateY(-3px);
  border-color: var(--home-line-strong);
}

.page-home .step-card__figure {
  margin: 0;
  aspect-ratio: 5 / 6;
  border-radius: 0;
}

.page-home .step-card__body {
  display: grid;
  gap: 10px;
  padding: 0 22px 24px;
}

.page-home .step-card--flat .step-card__body {
  padding-top: 24px;
}

.page-home .step-card h3 {
  margin: 0;
  font-size: clamp(18px, 2.3vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-home .step-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .step-card__list {
  list-style: none;
  margin: 0;
  padding: 0 22px 24px;
  display: grid;
  gap: 12px;
}

.page-home .step-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-home .step-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

@media (min-width: 900px) {
  .page-home .steps__strip {
    padding-bottom: 24px;
  }

  .page-home .step-card {
    flex: 0 0 min(46%, 440px);
  }
}

/* ---------- 版本档案 ---------- */
.page-home .versions {
  display: grid;
  gap: clamp(16px, 3vw, 28px);
}

.page-home .versions__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-home .versions__node {
  position: relative;
  padding: 0 0 28px 28px;
  border-left: 1px solid rgba(233, 245, 241, 0.2);
}

.page-home .versions__node:last-child {
  padding-bottom: 0;
}

.page-home .versions__node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--wine);
  border: 1.5px solid var(--cyan);
}

.page-home .versions__node:last-child::before {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 43, 0.18);
}

.page-home .versions__tag {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-home .versions__node h3 {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-home .versions__node p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .versions__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 8px;
}

.page-home .versions__link {
  font-size: 14px;
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 255, 228, 0.4);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .versions__link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

@media (min-width: 900px) {
  .page-home .versions__timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-home .versions__node {
    padding: 22px 24px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(233, 245, 241, 0.2);
  }

  .page-home .versions__node::before {
    left: 0;
    top: -5px;
  }
}

/* ---------- 近期动态 ---------- */
.page-home .updates {
  padding-block: clamp(32px, 6vw, 72px);
}

.page-home .updates__strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 2px 0 18px;
  scrollbar-width: thin;
}

.page-home .update-card {
  flex: 0 0 min(82vw, 320px);
  scroll-snap-align: start;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--home-line);
  background: linear-gradient(175deg, rgba(12, 33, 28, 0.9), rgba(6, 18, 15, 0.94));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .update-card:hover {
  transform: translateY(-3px);
  border-color: var(--home-line-strong);
}

.page-home .update-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
}

.page-home .update-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-home .update-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .update-card__link {
  justify-self: start;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 192, 0.36);
  padding-bottom: 2px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .update-card__link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- 收尾 ---------- */
.page-home .closing {
  padding-block: clamp(52px, 10vw, 120px);
}

.page-home .closing__inner {
  display: grid;
  gap: 18px;
  max-width: 44em;
}

.page-home .closing__title {
  margin: 0;
  font-size: clamp(28px, 5vw, 50px);
  font-weight: 200;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--text);
}

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

.page-home .closing__note {
  font-size: 14px;
}

.page-home .closing__note a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 255, 228, 0.36);
}

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

/* ---------- 通用增强 ---------- */
.page-home .figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-home a:focus-visible,
.page-home [data-scroller]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-home .collage-card,
  .page-home .change,
  .page-home .step-card,
  .page-home .update-card,
  .page-home .metrics__item {
    transition: none;
  }

  .page-home .collage-card:hover,
  .page-home .change:hover,
  .page-home .step-card:hover,
  .page-home .update-card:hover {
    transform: none;
  }
}
<<<END>>>