.page-home {
  --home-tile-accent: var(--amber);
  --home-pad: clamp(40px, 7vw, 72px);
  display: block;
  background: var(--ink);
  color: var(--ivory);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 7vw, 72px) 0 clamp(38px, 8vw, 88px);
  background-color: var(--ink);
  background-image:
    radial-gradient(115% 85% at 84% 6%, rgba(31, 182, 193, 0.24), transparent 62%),
    radial-gradient(95% 75% at 6% 94%, rgba(245, 166, 35, 0.2), transparent 62%),
    radial-gradient(circle, rgba(232, 236, 245, 0.08) 1px, transparent 1px);
  background-size: auto, auto, 6px 6px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 48px);
  align-items: center;
}

.page-home .home-hero__copy {
  max-width: 52ch;
}

.page-home .home-hero__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 8.6vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 10px 0 16px;
  color: var(--ivory);
}

.page-home .home-hero__lede {
  font-size: clamp(17px, 4.6vw, 21px);
  line-height: 1.6;
  color: var(--amber-soft);
  margin: 0 0 clamp(18px, 4vw, 26px);
}

.page-home .home-hero__actions {
  margin-bottom: clamp(22px, 4vw, 32px);
}

.page-home .home-hero__marks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-hero__marks li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-hero__marks .mono {
  color: var(--amber);
  font-size: 15px;
  flex: 0 0 auto;
}

.page-home .home-hero__stage {
  position: relative;
}

.page-home .home-hero__stage::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 42%;
  height: 42%;
  border-right: 1px solid var(--amber);
  border-bottom: 1px solid var(--peacock);
  pointer-events: none;
}

.page-home .home-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(1.05);
}

/* ---------- 第二屏横滑卡槽 ---------- */
.page-home .home-rail {
  padding: var(--home-pad) 0;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 50%, var(--ink) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 4vw, 34px);
}

.page-home .home-head__lede {
  margin-top: 10px;
  color: var(--mist);
}

.page-home .home-rail__rail {
  position: relative;
}

.page-home .rail__track {
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 0 14px;
  -webkit-overflow-scrolling: touch;
}

.page-home .rail__item {
  flex: 0 0 min(84%, 460px);
  scroll-snap-align: start;
}

.page-home .rail__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.page-home .rail__btn {
  font: inherit;
  font-size: 14px;
  color: var(--ivory);
  background: transparent;
  border: 1px solid var(--line);
  padding: 8px 18px;
  cursor: pointer;
  transition: border-color 0.12s linear, color 0.12s linear, background-color 0.12s linear;
}

.page-home .rail__btn:hover,
.page-home .rail__btn:focus-visible {
  border-color: var(--amber);
  color: var(--ink);
  background: var(--amber);
}

.page-home .rail__hint {
  font-size: 13px;
  color: var(--mist);
  margin-left: auto;
}

.page-home .home-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: clamp(300px, 74vw, 400px);
  overflow: hidden;
  background-color: var(--ink-2);
  border: 1px solid var(--line);
  transition: border-color 0.12s linear;
}

.page-home .home-card--practice {
  --card-accent: var(--amber);
}

.page-home .home-card--feedback {
  --card-accent: var(--magenta);
  background-image:
    radial-gradient(120% 90% at 88% 10%, rgba(255, 61, 139, 0.3), transparent 62%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
}

.page-home .home-card--friends {
  --card-accent: var(--mint);
  background-image:
    radial-gradient(120% 90% at 12% 88%, rgba(78, 227, 154, 0.24), transparent 62%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
}

.page-home .home-card:hover,
.page-home .home-card:focus-within {
  border-color: var(--card-accent, var(--amber));
}

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

.page-home .home-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  z-index: 0;
}

.page-home .home-card__body {
  position: relative;
  z-index: 1;
  padding: clamp(18px, 4.5vw, 28px);
  background: linear-gradient(180deg, rgba(7, 11, 24, 0) 0%, rgba(7, 11, 24, 0.82) 38%, rgba(7, 11, 24, 0.97) 100%);
}

.page-home .home-card__body .h-sub {
  margin: 10px 0 8px;
  color: var(--ivory);
}

.page-home .home-card__body p {
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
  margin: 0 0 16px;
}

/* ---------- 四条内容主线索引 ---------- */
.page-home .home-map {
  padding: var(--home-pad) 0;
}

.page-home .home-map__grid {
  row-gap: var(--gap);
}

.page-home .home-tile {
  position: relative;
  padding: clamp(18px, 4vw, 26px);
  background: linear-gradient(180deg, rgba(16, 26, 51, 0.86), rgba(7, 11, 24, 0.4));
  border-top: 2px solid var(--home-tile-accent);
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 0.12s linear;
}

.page-home .home-tile:hover {
  background: rgba(31, 182, 193, 0.09);
}

.page-home .home-tile--beast {
  --home-tile-accent: var(--amber);
}

.page-home .home-tile--peacock {
  --home-tile-accent: var(--peacock);
}

.page-home .home-tile--mint {
  --home-tile-accent: var(--mint);
}

.page-home .home-tile--magenta {
  --home-tile-accent: var(--magenta);
}

.page-home .home-tile__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--home-tile-accent);
  margin: 0 0 8px;
}

.page-home .home-tile__title {
  margin: 0 0 10px;
  color: var(--ivory);
}

.page-home .home-tile__text {
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 46ch;
  margin: 0 0 16px;
}

.page-home .home-tile--media {
  display: flex;
  gap: clamp(14px, 3vw, 20px);
  align-items: stretch;
}

.page-home .home-tile__body {
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .home-tile__media {
  flex: 0 0 34%;
  max-width: 34%;
}

.page-home .home-tile__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* ---------- 版本状态面板 ---------- */
.page-home .home-version {
  position: relative;
  overflow: hidden;
  padding: clamp(46px, 8vw, 86px) 0;
  background-color: var(--ink-3);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .home-version__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}

.page-home .home-version__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-home .home-version__v {
  font-family: var(--font-mono);
  font-size: clamp(58px, 15vw, 108px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--amber);
  text-shadow: 0 0 26px rgba(245, 166, 35, 0.35);
  margin: 6px 0 14px;
}

.page-home .home-version__title {
  margin: 0 0 20px;
  color: var(--ivory);
}

.page-home .home-lamp {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: rgba(7, 11, 24, 0.66);
  transition: border-color 0.12s linear;
}

.page-home .home-lamp:hover,
.page-home .home-lamp:focus-within {
  border-color: var(--amber);
}

.page-home .home-lamp__row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-home .home-lamp__more {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  transition: max-height 0.2s ease, opacity 0.2s ease, margin-top 0.2s ease;
}

.page-home .home-lamp:hover .home-lamp__more,
.page-home .home-lamp:focus-within .home-lamp__more {
  max-height: 80px;
  opacity: 1;
  margin-top: 8px;
}

.page-home .home-version__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-version__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .home-version__list b {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--peacock);
  flex: 0 0 auto;
  min-width: 74px;
}

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

/* ---------- 品牌认证与联系 ---------- */
.page-home .home-trust {
  padding: var(--home-pad) 0;
  background: var(--ink);
}

.page-home .home-trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-home .home-trust__prose {
  margin: 14px 0 24px;
  color: var(--mist);
}

.page-home .home-trust__actions {
  gap: 12px;
}

.page-home .home-contact {
  padding: clamp(20px, 4vw, 30px);
}

.page-home .home-contact__title {
  margin: 0 0 10px;
  color: var(--ivory);
}

.page-home .home-contact__note {
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
  margin: 0 0 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-contact__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--peacock);
}

.page-home .home-contact__value {
  font-size: 16px;
  color: var(--ivory);
  word-break: break-word;
}

.page-home .home-contact__legal {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (max-width: 879px) {
  .page-home .home-lamp__more {
    max-height: 80px;
    opacity: 1;
    margin-top: 8px;
  }

  .page-home .rail__hint {
    margin-left: 0;
    flex: 1 1 100%;
  }
}

@media (min-width: 880px) {
  .page-home .home-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-home .home-hero__stage {
    margin-top: -30px;
  }

  .page-home .rail__item {
    flex: 0 0 min(58%, 460px);
  }

  .page-home .home-version__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-home .home-version__lead {
    grid-row: span 2;
  }

  .page-home .home-trust__grid {
    grid-template-columns: 6fr 6fr;
  }
}

@media (min-width: 1200px) {
  .page-home .home-hero__stage {
    margin-top: -48px;
  }

  .page-home .rail__item {
    flex: 0 0 480px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail__track {
    scroll-behavior: auto;
  }

  .page-home .home-lamp__more,
  .page-home .home-lamp,
  .page-home .home-card,
  .page-home .home-tile,
  .page-home .rail__btn {
    transition: none;
  }
}
<<<END>>>