.page-home {
  --grid-line: rgba(139, 144, 152, .26);
  --grid-line-strong: rgba(139, 144, 152, .46);
  display: block;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumb {
  background: var(--ink);
  border-bottom: 1px solid var(--grid-line-strong);
  padding: 14px 0;
}

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

.page-home .breadcrumb-current {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--grey);
  text-transform: uppercase;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: 44px 0 60px;
  border-bottom: var(--line);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(to right, var(--grid-line) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(to bottom, var(--grid-line) 0 1px, transparent 1px 64px);
}

.page-home .hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 32px;
  padding-left: 0;
}

.page-home .hero-copy {
  max-width: 100%;
}

.page-home .hero-title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(56px, 11vw, 168px);
  line-height: .9;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-home .hero-mark {
  display: block;
  color: var(--cinnabar);
}

.page-home .hero-lead {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(245, 241, 232, .84);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-home .hero-actions .btn {
  flex: 1 1 auto;
  min-width: 190px;
  text-align: center;
}

.page-home .hero-meta {
  margin: 0;
  max-width: 50ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
  border-left: 2px solid var(--bronze);
  padding-left: 12px;
}

.page-home .hero-meta .ver {
  font-family: var(--font-mono);
  color: var(--bronze);
  letter-spacing: .04em;
}

.page-home .hero-figure {
  position: relative;
  z-index: 2;
  margin: 0;
  border: 2px solid var(--paper);
  box-shadow: 6px 6px 0 var(--cinnabar-deep);
  background: var(--tibet-blue);
  overflow: hidden;
}

.page-home .hero-figure img {
  display: block;
  width: 100%;
  height: clamp(280px, 62vw, 460px);
  object-fit: cover;
  object-position: center top;
}

.page-home .hero-dragon {
  position: absolute;
  top: -8px;
  right: -22%;
  width: 118%;
  max-width: 900px;
  height: auto;
  color: var(--cinnabar);
  opacity: .55;
  pointer-events: none;
  z-index: 1;
}

.page-home .coord-rail {
  display: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 版本速览 ---------- */
.page-home .snapshot {
  background: var(--paper);
  color: var(--ink);
  padding: 48px 0 56px;
  border-bottom: var(--line);
}

.page-home .snapshot .eyebrow {
  color: var(--cinnabar);
}

.page-home .snapshot .section-title,
.page-home .flow .section-title,
.page-home .records .section-title,
.page-home .entry-index .section-title,
.page-home .rules .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 6vw, 46px);
  line-height: 1.14;
  margin: 10px 0 14px;
}

.page-home .snapshot-head,
.page-home .flow .section-head,
.page-home .entry-index .section-head,
.page-home .records-head {
  margin-bottom: 30px;
}

.page-home .snapshot .section-note,
.page-home .flow .section-note,
.page-home .records .section-note,
.page-home .entry-index .section-note {
  max-width: var(--measure);
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .snapshot-grid {
  display: grid;
  gap: 26px;
  margin-bottom: 32px;
}

.page-home .stat-row {
  display: grid;
  gap: 14px;
}

.page-home .stat {
  border: var(--line);
  box-shadow: var(--shadow-hard-sm);
  background: var(--paper);
  padding: 16px 16px 18px;
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 8vw, 44px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cinnabar);
}

.page-home .stat-num em {
  font-style: normal;
  font-size: .44em;
  margin-left: 4px;
  color: var(--ink);
}

.page-home .stat-label {
  display: block;
  margin: 8px 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-home .stat-note {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-home .res-block {
  border: var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--tibet-blue);
  color: var(--paper);
  padding: 18px 16px 20px;
}

.page-home .res-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-bottom: 14px;
}

.page-home .res-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-home .res-track {
  display: block;
  height: 14px;
  border: 1px solid var(--grid-line-strong);
  background: rgba(11, 13, 16, .6);
}

.page-home .res-fill {
  display: block;
  height: 100%;
}

.page-home .res-fill--a { width: 58%; background: var(--sky); }
.page-home .res-fill--b { width: 78%; background: var(--bronze); }
.page-home .res-fill--c { width: 100%; background: var(--cinnabar); }

.page-home .res-footnote {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(245, 241, 232, .76);
}

.page-home .snapshot-figure {
  margin: 0;
  border: var(--line);
  box-shadow: var(--shadow-hard-sm);
  background: var(--paper);
}

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

.page-home .snapshot-figure .media-frame__caption {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink-soft);
  border-top: 1px solid var(--grid-line-strong);
}

/* ---------- 四类入口索引 ---------- */
.page-home .entry-index {
  background: var(--ink);
  padding: 52px 0 56px;
  border-bottom: 1px solid var(--grid-line-strong);
}

.page-home .entry-band {
  margin: 0 0 26px;
  border: 2px solid var(--paper);
  overflow: hidden;
}

.page-home .entry-band img {
  display: block;
  width: 100%;
  height: clamp(90px, 22vw, 150px);
  object-fit: cover;
}

.page-home .entry-tabs {
  border: 2px solid var(--paper);
  box-shadow: 6px 6px 0 var(--cinnabar-deep);
  background: var(--ink);
}

.page-home .tablist {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--paper);
}

.page-home .tab {
  flex: 1 1 50%;
  appearance: none;
  border: 0;
  border-right: 1px solid var(--grid-line-strong);
  border-bottom: 1px solid var(--grid-line-strong);
  background: var(--tibet-blue);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .1em;
  padding: 16px 12px;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

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

.page-home .tab:hover {
  background: var(--cinnabar-deep);
}

.page-home .tab.is-active,
.page-home .tab[aria-selected="true"] {
  background: var(--cinnabar);
  color: var(--paper);
}

.page-home .tab:focus-visible {
  outline: 3px solid var(--banner-yellow);
  outline-offset: -3px;
}

.page-home .tabpanel {
  display: none;
  padding: 22px 18px 24px;
}

.page-home .tabpanel.is-active {
  display: block;
}

.page-home .entry-name {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--paper);
}

.page-home .entry-path {
  margin: 0 0 10px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 241, 232, .86);
}

.page-home .entry-cta {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

/* ---------- 换设备三步 ---------- */
.page-home .flow {
  background: var(--paper);
  color: var(--ink);
  padding: 52px 0 56px;
  border-bottom: var(--line);
}

.page-home .flow .eyebrow {
  color: var(--cinnabar);
}

.page-home .flow-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 22px;
  counter-reset: none;
}

.page-home .step {
  position: relative;
  border: var(--line);
  box-shadow: var(--shadow-hard-sm);
  background: var(--paper);
  padding: 20px 16px 22px 62px;
}

.page-home .step .index-num {
  position: absolute;
  top: 18px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--bronze);
  letter-spacing: .04em;
}

.page-home .step-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink);
}

.page-home .step-text {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-home .step .text-link {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

/* ---------- 更新记录时间轴 ---------- */
.page-home .records {
  background: var(--ink);
  padding: 52px 0 56px;
  border-bottom: 1px solid var(--grid-line-strong);
}

.page-home .records-body {
  display: grid;
  gap: 26px;
  margin-bottom: 28px;
}

.page-home .records-figure {
  margin: 0;
  border: 2px solid var(--paper);
  box-shadow: 6px 6px 0 var(--bronze);
  overflow: hidden;
  background: var(--tibet-blue);
}

.page-home .records-figure img {
  display: block;
  width: 100%;
  height: clamp(180px, 42vw, 420px);
  object-fit: cover;
}

.page-home .timeline {
  margin: 0;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 2px dashed var(--grid-line-strong);
  display: grid;
  gap: 20px;
}

.page-home .tl-item {
  position: relative;
  border: 1px solid var(--grid-line-strong);
  background: rgba(22, 50, 79, .28);
  padding: 16px 16px 18px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}

.page-home .tl-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 22px;
  width: 14px;
  height: 14px;
  background: var(--ink);
  border: 2px solid var(--bronze);
}

.page-home .tl-item:hover,
.page-home .tl-item:focus-within {
  border-color: var(--cinnabar);
  box-shadow: 6px 6px 0 var(--cinnabar-deep);
  transform: translateY(-2px);
}

.page-home .tl-item:hover::before,
.page-home .tl-item:focus-within::before {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
}

.page-home .tl-node {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--bronze);
  border: 1px solid var(--bronze);
  padding: 2px 8px;
}

.page-home .tl-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .tl-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 241, 232, .82);
}

.page-home .records-more {
  display: inline-block;
}

/* ---------- 规则与反馈 ---------- */
.page-home .rules {
  background: var(--tibet-blue);
  color: var(--paper);
  padding: 52px 0 56px;
  border-bottom: var(--line);
}

.page-home .rules .eyebrow {
  color: var(--banner-yellow);
}

.page-home .rules .section-title {
  color: var(--paper);
}

.page-home .rules-inner {
  display: grid;
  gap: 26px;
}

.page-home .rule-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-home .rule-item {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 241, 232, .9);
}

.page-home .rule-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 12px;
  height: 2px;
  background: var(--banner-yellow);
}

.page-home .feedback-box {
  border: 2px solid var(--paper);
  box-shadow: 6px 6px 0 var(--cinnabar-deep);
  background: var(--ink);
  padding: 22px 18px 24px;
}

.page-home .feedback-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .feedback-text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 241, 232, .84);
}

/* ---------- 服务信息条 ---------- */
.page-home .service {
  background: var(--cinnabar);
  color: var(--paper);
  padding: 40px 0 44px;
}

.page-home .service-inner {
  display: grid;
  gap: 16px;
}

.page-home .service-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 5.4vw, 38px);
  line-height: 1.2;
  color: var(--paper);
}

.page-home .service-text {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 241, 232, .94);
}

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

.page-home .service-actions .btn-primary {
  background: var(--ink);
  border-color: var(--ink);
  box-shadow: 6px 6px 0 rgba(11, 13, 16, .5);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-home .hero {
    padding: 56px 0 72px;
  }

  .page-home .stat-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .res-row {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: center;
  }

  .page-home .tab {
    flex: 1 1 25%;
    border-bottom: 0;
  }

  .page-home .flow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .step {
    padding: 60px 18px 24px;
  }

  .page-home .step .index-num {
    top: 20px;
    left: 18px;
  }

  .page-home .records-body {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-home .records-figure img {
    height: 100%;
    min-height: 320px;
  }

  .page-home .rules-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .service-inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: center;
  }

  .page-home .service-actions {
    justify-content: flex-end;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    padding-left: var(--axis-w);
    gap: 40px;
  }

  .page-home .hero-figure {
    margin-top: -46px;
  }

  .page-home .hero-figure img {
    height: clamp(420px, 44vw, 560px);
  }

  .page-home .hero-dragon {
    right: 6%;
    width: 52%;
    max-width: 780px;
  }

  .page-home .coord-rail {
    display: grid;
    gap: 14px;
    position: absolute;
    top: 72px;
    left: var(--gutter);
    width: calc(var(--axis-w) - 12px);
    z-index: 3;
  }

  .page-home .coord-item {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .06em;
    color: var(--grey);
    border-left: 2px solid var(--grid-line-strong);
    padding-left: 8px;
    transition: color .2s var(--ease), border-color .2s var(--ease);
  }

  .page-home .coord-item span {
    display: block;
    color: var(--bronze);
  }

  .page-home .coord-item:hover,
  .page-home .coord-item.is-visible {
    color: var(--paper);
    border-left-color: var(--cinnabar);
  }

  .page-home .snapshot,
  .page-home .entry-index,
  .page-home .flow,
  .page-home .records,
  .page-home .rules {
    padding: 72px 0 78px;
  }

  .page-home .snapshot-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
    gap: 32px;
  }

  .page-home .stat-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .entry-tabs {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  }

  .page-home .tablist {
    flex-direction: column;
    flex-wrap: nowrap;
    border-bottom: 0;
    border-right: 2px solid var(--paper);
  }

  .page-home .tab {
    flex: 1 1 auto;
    min-height: 76px;
    text-align: left;
    padding: 18px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--grid-line-strong);
  }

  .page-home .tab:last-child {
    border-bottom: 0;
  }

  .page-home .tabpanel {
    padding: 32px 30px 34px;
  }
}

@media (min-width: 1280px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .hero-figure {
    margin-top: -70px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .tl-item,
  .page-home .tab,
  .page-home .coord-item {
    transition: none;
  }

  .page-home .tl-item:hover,
  .page-home .tl-item:focus-within {
    transform: none;
  }
}
<<<END>>>