.page-home{
  --home-gap: clamp(64px, 9vw, 120px);
  --home-pad-top: clamp(88px, 13vh, 156px);
  position: relative;
  color: var(--white);
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(58, 98, 112, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58, 98, 112, .16) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  overflow-x: clip;
}

.page-home [data-section]{
  scroll-margin-top: 96px;
}

.page-home .media-frame{
  margin: 0;
  position: relative;
  overflow: hidden;
}

.page-home .media-frame img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */
.home-hero{
  position: relative;
  padding: var(--home-pad-top) 0 clamp(48px, 7vw, 88px);
  overflow: clip;
}

.home-hero__texture{
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .16;
  pointer-events: none;
}

.home-hero__texture img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.7);
}

.home-hero__shell{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.home-rail{
  min-width: 0;
}

.home-rail__list{
  display: flex;
  gap: 14px;
  margin: 10px 0 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.home-rail__list::-webkit-scrollbar{
  display: none;
}

.home-rail__link{
  display: inline-block;
  padding-left: 10px;
  border-left: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.home-rail__link:hover,
.home-rail__link:focus-visible{
  color: var(--white);
  border-color: var(--white);
  outline: none;
}

.home-rail__link[aria-current]{
  color: var(--signal);
  border-color: var(--signal);
}

.home-lead h1{
  margin: 0 0 20px;
  line-height: 1.02;
  letter-spacing: .01em;
}

.home-lead .t-lead{
  max-width: 34em;
  margin: 0 0 clamp(24px, 3vw, 34px);
  color: var(--muted);
  font-size: var(--step-body);
  line-height: 1.75;
}

.home-quick{
  border-top: 1px solid var(--line-soft);
}

.home-quick__list{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-faint);
}

.quick-link{
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 16px 18px;
  background: var(--ink-soft);
  color: var(--white);
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.quick-link:hover,
.quick-link:focus-visible{
  background: var(--grass-deep);
  outline: none;
}

.quick-link__num{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--signal);
}

.quick-link__name{
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
}

.quick-link__desc{
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

.quick-link:hover .quick-link__desc,
.quick-link:focus-visible .quick-link__desc{
  color: var(--glass);
}

.home-hero__media{
  position: relative;
  border: 1px solid var(--line-soft);
}

.home-hero__badge{
  position: absolute;
  left: -1px;
  bottom: -1px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  font-weight: 700;
}

.home-hero__badge .mono{
  font-size: 13px;
}

/* ---------- 数据条 ---------- */
.home-focus__intro,
.home-columns__intro{
  max-width: 46em;
  margin: 14px 0 0;
  font-size: var(--step-body);
  line-height: 1.75;
  color: var(--muted);
}

.focus-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(24px, 3.4vw, 42px);
}

.focus-bars{
  border-top: 1px solid var(--line-soft);
}

.focus-bar{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-faint);
  outline: none;
  transition: background var(--dur) var(--ease);
}

.focus-bar:hover,
.focus-bar:focus-visible{
  background: rgba(31, 138, 91, .12);
}

.focus-bar:focus-visible{
  box-shadow: inset 2px 0 0 var(--signal);
}

.focus-bar__num{
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--white);
}

.focus-bar--signal .focus-bar__num{
  color: var(--signal);
}

.focus-bar__unit{
  font-size: .46em;
  margin-left: 2px;
  letter-spacing: .04em;
}

.focus-bar__label{
  font-size: 15px;
  line-height: 1.5;
  color: var(--white);
}

.focus-bar__note{
  grid-column: 2;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  transition: max-height 220ms var(--ease), opacity 220ms var(--ease), margin var(--dur) var(--ease);
}

.focus-bar:hover .focus-bar__note,
.focus-bar:focus-visible .focus-bar__note{
  max-height: 140px;
  opacity: 1;
  margin-top: 6px;
}

.focus-figure{
  border: 1px solid var(--line-soft);
  align-self: start;
}

.focus-figure .media-frame__caption{
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: rgba(6, 22, 33, .82);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--glass);
}

/* ---------- 三个入口 ---------- */
.column-cards{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 42px);
}

.column-card{
  position: relative;
  display: block;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--ink-soft);
  border: 1px solid var(--line-faint);
  color: var(--white);
  text-decoration: none;
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.column-card::before{
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--grass);
}

.column-card--carded::before{
  background: linear-gradient(90deg, var(--red) 0 50%, var(--yellow) 50% 100%);
}

.column-card--signal::before{
  background: var(--signal);
}

.column-card:hover,
.column-card:focus-visible{
  transform: translateY(-4px);
  border-color: var(--signal);
  background: var(--grass-deep);
  outline: none;
}

.column-card__top{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.column-card__idx{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.column-card__name{
  margin: 0;
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 800;
  letter-spacing: .01em;
}

.column-card__desc{
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.column-card:hover .column-card__desc,
.column-card:focus-visible .column-card__desc{
  color: var(--glass);
}

.column-card__go{
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--signal);
}

/* ---------- 手机查阅 ---------- */
.home-device{
  background: linear-gradient(180deg, rgba(13, 74, 54, .55) 0%, rgba(13, 74, 54, 0) 100%);
}

.home-device__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.home-device__text{
  max-width: 40em;
  margin: 16px 0 0;
  font-size: var(--step-body);
  line-height: 1.78;
  color: var(--muted);
}

.device-steps{
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.device-steps li{
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-faint);
  font-size: 15px;
  line-height: 1.65;
  color: var(--white);
}

.device-steps__num{
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--signal);
  padding-top: 4px;
}

.home-device .btn{
  margin-top: clamp(22px, 3vw, 30px);
}

.device-panel{
  align-self: start;
  padding: clamp(20px, 2.6vw, 28px);
  color: var(--ink);
  border: 1px solid rgba(6, 22, 33, .12);
}

.device-panel__title{
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--ink);
}

.device-panel__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #12313f;
}

.device-panel__meta{
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(6, 22, 33, .16);
  font-size: 11px;
  letter-spacing: .14em;
  color: #0D4A36;
}

/* ---------- 版本与复盘 ---------- */
.version-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.version-figure{
  border: 1px solid var(--line-soft);
}

.version-figure .media-frame__caption{
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: rgba(6, 22, 33, .82);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--glass);
}

.version-body > p{
  max-width: 40em;
  margin: 16px 0 0;
  font-size: var(--step-body);
  line-height: 1.78;
  color: var(--muted);
}

.version-list{
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.version-list li{
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-faint);
}

.version-list__tag{
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
}

.version-list__text{
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.version-list li.is-current{
  background: rgba(255, 106, 26, .08);
  box-shadow: inset 3px 0 0 var(--signal);
  padding-left: 12px;
}

.version-list li.is-current .version-list__tag{
  color: var(--signal);
}

.version-list li.is-current .version-list__text{
  color: var(--white);
}

.version-body .version-note{
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  border-left: 2px solid var(--line-soft);
  padding-left: 14px;
}

.version-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

/* ---------- 旁注与继续阅读 ---------- */
.notes-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.notes-panel{
  padding: clamp(20px, 2.6vw, 30px);
  color: var(--ink);
  border: 1px solid rgba(6, 22, 33, .12);
}

.notes-panel .eyebrow{
  color: var(--grass-deep);
}

.notes-panel__text{
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #12313f;
}

.notes-panel__sign{
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(6, 22, 33, .16);
  font-size: 11px;
  letter-spacing: .16em;
  color: #0D4A36;
}

.notes-links h2{
  margin: 0 0 14px;
}

.note-link{
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-faint);
  color: var(--white);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease);
}

.note-link:last-child{
  border-bottom: 1px solid var(--line-faint);
}

.note-link:hover,
.note-link:focus-visible{
  border-color: var(--signal);
  outline: none;
}

.note-link__idx{
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--signal);
  padding-top: 3px;
}

.note-link__body{
  display: block;
  min-width: 0;
}

.note-link__title{
  display: block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
}

.note-link__desc{
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.note-link:hover .note-link__title,
.note-link:focus-visible .note-link__title{
  color: var(--signal);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px){
  .home-quick__list{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px){
  .column-cards{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .column-card{
    min-height: 100%;
  }

  .column-card--carded{
    margin-top: 28px;
  }

  .column-card--signal{
    margin-top: 14px;
  }
}

@media (min-width: 900px){
  .home-hero__shell{
    grid-template-columns: 128px minmax(0, 1fr) minmax(280px, .84fr);
    align-items: start;
    gap: clamp(28px, 3vw, 52px);
  }

  .home-rail__list{
    flex-direction: column;
    gap: 12px;
    overflow: visible;
    padding-bottom: 0;
  }

  .home-rail__list li{
    min-width: 0;
  }

  .home-rail__link{
    white-space: normal;
  }

  .focus-grid{
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: start;
  }

  .home-device__grid{
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: start;
  }

  .version-grid{
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .notes-grid{
    grid-template-columns: minmax(0, .62fr) minmax(0, 1fr);
  }
}

@media (min-width: 1100px){
  .home-lead h1{
    letter-spacing: .005em;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-home *,
  .page-home *::before,
  .page-home *::after{
    transition-duration: .01ms !important;
  }

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