.page-home {
  --home-hair: 1px solid var(--grid);
  --home-block-pad: clamp(40px, 7vw, 88px);
  --home-body: #A9B5AB;
  display: block;
  overflow-x: clip;
  background: var(--ink);
  color: var(--mist);
}

.page-home .home-topline {
  background: var(--ink);
  border-bottom: var(--home-hair);
  padding: 14px 0 12px;
}

/* ---------- 首屏分屏 ---------- */
.page-home .home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-bottom: var(--home-hair);
  background:
    linear-gradient(180deg, rgba(20, 61, 43, 0.38), transparent 62%),
    var(--ink);
}

.page-home .hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(14px, 2vw, 22px);
  padding: clamp(26px, 5vw, 60px) var(--gutter);
}

.page-home .hero-eyebrow {
  color: var(--gold);
  letter-spacing: 0.18em;
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 3.55rem);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--mist);
  max-width: 18ch;
}

.page-home .hero-lead {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  opacity: 0.86;
  max-width: 46ch;
}

.page-home .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 2px 0 0;
  padding-top: 18px;
  border-top: var(--home-hair);
}

.page-home .hero-metrics > div {
  display: flex;
  flex-direction: column-reverse;
  gap: 3px;
  min-width: 0;
}

.page-home .hero-metrics dt {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
  line-height: 1.4;
}

.page-home .hero-metrics dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.45rem);
  color: var(--lime);
  letter-spacing: 0.02em;
}

.page-home .hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 330px;
  overflow: hidden;
  border-top: var(--home-hair);
  background:
    radial-gradient(120% 92% at 72% 4%, rgba(199, 255, 61, 0.2), transparent 58%),
    radial-gradient(90% 70% at 20% 100%, rgba(230, 180, 80, 0.14), transparent 62%),
    var(--char);
}

.page-home .hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.65) contrast(1.06);
}

.page-home .hero-pitch {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.72;
  pointer-events: none;
}

.page-home .hero-tiers {
  position: relative;
  z-index: 2;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(168px, 1fr);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  border-top: 1px solid var(--grid);
  background: rgba(7, 26, 19, 0.86);
}

.page-home .tier {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px 18px;
  border-right: 1px solid var(--grid);
  text-decoration: none;
  color: var(--mist);
  scroll-snap-align: start;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .tier:last-child {
  border-right: 0;
}

.page-home .tier:hover {
  background: rgba(199, 255, 61, 0.12);
  box-shadow: inset 0 2px 0 0 var(--lime);
}

.page-home .tier:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -3px;
  background: rgba(199, 255, 61, 0.12);
}

.page-home .tier-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-home .tier-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.03em;
}

.page-home .tier-note {
  font-size: 12px;
  line-height: 1.55;
  color: var(--steel);
}

/* ---------- 通用章节 ---------- */
.page-home .home-block {
  padding: var(--home-block-pad) 0;
  border-bottom: var(--home-hair);
  background: var(--ink);
}

.page-home .home-block--dark {
  background: var(--char);
}

.page-home .block-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-home .block-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-home .block-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  line-height: 1.12;
  color: var(--mist);
}

.page-home .block-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--home-body);
  max-width: 44ch;
}

/* ---------- 01 三层标签 ---------- */
.page-home .layer-grid {
  display: grid;
  gap: 26px;
}

.page-home .layer-figure {
  margin: 0;
  min-width: 0;
}

.page-home .layer-figure .media-frame {
  border: var(--home-hair);
}

.page-home .layer-figure .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}

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

.page-home .layer-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: var(--home-hair);
}

.page-home .layer-item:last-child {
  border-bottom: var(--home-hair);
}

.page-home .layer-code {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
  padding-top: 5px;
  transition: color var(--dur) var(--ease);
}

.page-home .layer-item:hover .layer-code {
  color: var(--lime);
}

.page-home .layer-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-home .layer-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--home-body);
}

/* ---------- 02 同步状态 ---------- */
.page-home .sync-grid {
  display: grid;
  gap: 24px;
}

.page-home .sync-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(20px, 3vw, 32px);
  border: var(--home-hair);
  border-left: 3px solid var(--lime);
  background:
    linear-gradient(158deg, rgba(20, 61, 43, 0.9), rgba(7, 26, 19, 0.94));
  min-width: 0;
}

.page-home .sync-round {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .sync-round strong {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 4rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--lime);
}

.page-home .sync-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--lime-soft);
}

.page-home .sync-status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(199, 255, 61, 0.16);
}

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

.page-home .sync-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--pine);
  min-width: 0;
}

.page-home .sync-metric .data-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  line-height: 1;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-home .sync-metric span:last-child {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  line-height: 1.5;
}

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

.page-home .sync-figure {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  min-width: 0;
}

.page-home .sync-figure .media-frame {
  border: var(--home-hair);
}

.page-home .sync-figure .media-caption {
  display: block;
  font-size: 12px;
  line-height: 1.65;
  color: var(--steel);
}

/* ---------- 03 登录与切换 ---------- */
.page-home .login-grid {
  display: grid;
  gap: 26px;
}

.page-home .login-steps {
  min-width: 0;
}

.page-home .step-list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0 0 16px;
  padding: 0;
  background: var(--grid);
  border: var(--home-hair);
}

.page-home .step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 16px;
  background: var(--char);
  transition: background var(--dur) var(--ease);
}

.page-home .step:hover {
  background: var(--pine);
}

.page-home .step-num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--gold);
  border: 1px solid var(--grid);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .step:hover .step-num {
  color: var(--lime);
  border-color: var(--lime);
}

.page-home .step-title {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-home .step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--home-body);
}

.page-home .note {
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  background: rgba(230, 180, 80, 0.08);
  font-size: 13px;
  line-height: 1.75;
  color: var(--home-body);
}

.page-home .login-figure {
  margin: 0;
  min-width: 0;
}

.page-home .login-figure .media-frame {
  border: var(--home-hair);
}

.page-home .login-figure .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--steel);
}

/* ---------- 04 服务入口 ---------- */
.page-home .channel-grid {
  display: grid;
  gap: 16px;
}

.page-home .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 32px);
  background: var(--pine);
  border: var(--home-hair);
  text-decoration: none;
  color: var(--mist);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--lime);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.page-home .channel-card--gold::before {
  background: var(--gold);
}

.page-home .channel-card:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
}

.page-home .channel-card:hover::before {
  transform: scaleY(1);
}

.page-home .channel-card:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  transform: translateY(-2px);
}

.page-home .channel-card:focus-visible::before {
  transform: scaleY(1);
}

.page-home .channel-tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-home .channel-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.2;
  color: var(--mist);
}

.page-home .channel-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--home-body);
}

.page-home .channel-more {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-home .channel-card--gold .channel-more {
  color: var(--gold);
}

/* ---------- 05 更新摘要 ---------- */
.page-home .update-list {
  list-style: none;
  display: grid;
  margin: 0;
  padding: 0;
  border-top: var(--home-hair);
}

.page-home .update-item {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: var(--home-hair);
}

.page-home .update-index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .update-title {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-home .update-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--home-body);
}

.page-home .update-actions {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-home .help-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(22px, 4vw, 38px);
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink);
  border: var(--home-hair);
  border-left: 3px solid var(--gold);
}

.page-home .help-strip p {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--home-body);
}

.page-home .help-strip strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-home .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .update-item {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }

  .page-home .hero-visual {
    border-top: 0;
    border-left: var(--home-hair);
    min-height: 100%;
  }

  .page-home .block-head {
    grid-template-columns: 108px minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 28px;
    align-items: start;
  }

  .page-home .layer-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 42px;
    align-items: start;
  }

  .page-home .sync-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 42px;
    align-items: stretch;
  }

  .page-home .login-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 42px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .tier,
  .page-home .layer-code,
  .page-home .channel-card,
  .page-home .channel-card::before,
  .page-home .step,
  .page-home .step-num {
    transition: none;
  }

  .page-home .channel-card:hover,
  .page-home .channel-card:focus-visible {
    transform: none;
  }
}
<<<END>>>