.page-home {
  display: block;
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-home .mono,
.page-home .breadcrumb,
.page-home .timeline__ver,
.page-home .hero__eyebrow,
.page-home .hero__index,
.page-home .hero__layer-num,
.page-home .scale__num,
.page-home .checklist__num,
.page-home .route-card__num,
.page-home .device-card__link,
.page-home .recovery__cap {
  font-family: var(--font-mono);
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}
.page-home .breadcrumb__sep { color: var(--rule); }
.page-home .breadcrumb__crumb--current { color: var(--ink-soft); }

/* ---------- 区块头 ---------- */
.page-home .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin: 0 0 26px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}
.page-home .section-head__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--signal);
}
.page-home .section-head__title {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--ink);
}
.page-home .section-head__note {
  flex: 1 1 240px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 按钮 ---------- */
.page-home .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease, box-shadow .16s ease;
}
.page-home .btn--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: #FFFFFF;
  box-shadow: 2px 2px 0 rgba(16, 28, 54, .14);
}
.page-home .btn--signal:hover {
  background: var(--signal-dark);
  border-color: var(--signal-dark);
}
.page-home .btn--ghost {
  background: transparent;
  border-color: var(--rule);
  color: var(--ink);
}
.page-home .btn--ghost:hover {
  border-color: var(--glacier);
  color: var(--glacier-deep);
}

/* ---------- 标签 ---------- */
.page-home .tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  white-space: nowrap;
}
.page-home .tag--green { background: rgba(47, 158, 91, .13); border-color: rgba(47, 158, 91, .38); color: #1E6B3C; }
.page-home .tag--blue { background: rgba(46, 111, 209, .13); border-color: rgba(46, 111, 209, .38); color: #24528F; }
.page-home .tag--yellow { background: rgba(217, 154, 23, .16); border-color: rgba(217, 154, 23, .44); color: #7E5808; }
.page-home .tag--red { background: rgba(200, 56, 60, .13); border-color: rgba(200, 56, 60, .38); color: #95302F; }

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 52px;
}
.page-home .hero::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -70px;
  width: 400px;
  height: 400px;
  background-image: repeating-radial-gradient(circle at center, rgba(31, 158, 154, .22) 0 1px, transparent 1px 26px);
  pointer-events: none;
}

.page-home .hero__inner {
  position: relative;
  display: grid;
  gap: 22px;
}

.page-home .hero__index {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-home .hero__index-num {
  color: var(--signal);
  font-weight: 700;
}
.page-home .hero__index-rule {
  width: 36px;
  height: 1px;
  background: var(--rule);
}

.page-home .hero__eyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--glacier-deep);
}

.page-home .hero__title {
  position: relative;
  z-index: 1;
  margin: 0 0 20px;
  font-size: clamp(44px, 11.5vw, 112px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.035em;
  color: var(--ink);
}
.page-home .hero__deco {
  position: absolute;
  top: -.18em;
  right: 0;
  font-size: clamp(56px, 13vw, 140px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.05em;
  color: rgba(46, 111, 209, .12);
  pointer-events: none;
}

.page-home .hero__lede {
  margin: 0 0 24px;
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

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

.page-home .hero__stack {
  display: grid;
  gap: 8px;
}
.page-home .hero__layer {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  box-shadow: 2px 2px 0 rgba(16, 28, 54, .07);
}
.page-home .hero__layer--a {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--paper-light);
}
.page-home .hero__layer--a .hero__layer-txt { color: var(--rail-text); }
.page-home .hero__layer--b {
  width: calc(100% - 12px);
  margin-left: 12px;
}
.page-home .hero__layer--c {
  width: calc(100% - 24px);
  margin-left: 24px;
}
.page-home .hero__layer-num {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--signal);
}
.page-home .hero__layer-txt {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.page-home .hero__figure {
  position: relative;
  margin: 0;
  max-width: 360px;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: 1px solid var(--rule);
  box-shadow: 2px 2px 0 rgba(16, 28, 54, .08);
  background: var(--midnight);
}
.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.85);
}
.page-home .hero__figure-cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  background: rgba(16, 28, 54, .82);
  color: var(--paper-light);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}

/* ---------- 更新公告条带 ---------- */
.page-home .briefing {
  padding: 52px 0;
  background: var(--paper-light);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.page-home .briefing__grid {
  display: grid;
  gap: 28px;
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .timeline__item {
  position: relative;
  padding: 0 0 20px 30px;
  border-left: 1px solid var(--rule-soft);
}
.page-home .timeline__item:last-child {
  padding-bottom: 4px;
}
.page-home .timeline__dot {
  position: absolute;
  left: -6px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--glacier);
  box-shadow: 0 0 0 3px rgba(31, 158, 154, .18), 0 0 0 8px rgba(31, 158, 154, .08);
  transition: transform .2s ease, box-shadow .2s ease;
}
.page-home .timeline__dot--green { background: var(--flag-green); box-shadow: 0 0 0 3px rgba(47, 158, 91, .18), 0 0 0 8px rgba(47, 158, 91, .08); }
.page-home .timeline__dot--blue { background: var(--flag-blue); box-shadow: 0 0 0 3px rgba(46, 111, 209, .18), 0 0 0 8px rgba(46, 111, 209, .08); }
.page-home .timeline__dot--yellow { background: var(--flag-yellow); box-shadow: 0 0 0 3px rgba(217, 154, 23, .2), 0 0 0 8px rgba(217, 154, 23, .09); }
.page-home .timeline__dot--red { background: var(--flag-red); box-shadow: 0 0 0 3px rgba(200, 56, 60, .18), 0 0 0 8px rgba(200, 56, 60, .08); }
.page-home .timeline__item:hover .timeline__dot {
  transform: scale(1.05);
  box-shadow: 0 0 0 4px rgba(31, 158, 154, .3), 0 0 0 10px rgba(31, 158, 154, .12);
}
.page-home .timeline__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.page-home .timeline__ver {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}
.page-home .timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .briefing__figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--rule);
  box-shadow: 2px 2px 0 rgba(16, 28, 54, .08);
  background: var(--paper);
}
.page-home .briefing__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-home .briefing__figure-cap {
  display: block;
  padding: 8px 12px;
  border-top: 1px solid var(--rule);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-home .briefing__foot {
  margin: 28px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.page-home .briefing__foot a {
  color: var(--glacier-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 158, 154, .4);
  transition: border-color .16s ease, color .16s ease;
}
.page-home .briefing__foot a:hover {
  color: var(--signal-dark);
  border-bottom-color: var(--signal);
}

/* ---------- 机型入口 ---------- */
.page-home .devices {
  padding: 52px 0;
}
.page-home .devices__banner {
  margin: 0 0 28px;
  aspect-ratio: 5 / 2;
  overflow: hidden;
  border: 1px solid var(--rule);
  box-shadow: 2px 2px 0 rgba(16, 28, 54, .08);
  background: var(--midnight);
}
.page-home .devices__banner img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

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

.page-home .device-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 20px 18px 18px 24px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  box-shadow: 2px 2px 0 rgba(16, 28, 54, .07);
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.page-home .device-card:hover,
.page-home .device-card:focus-within {
  border-color: var(--glacier);
  box-shadow: 4px 4px 0 rgba(31, 158, 154, .16);
  transform: translateY(-2px);
}
.page-home .device-card__bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
}
.page-home .device-card:nth-child(1) .device-card__bar { background: var(--flag-blue); }
.page-home .device-card:nth-child(2) .device-card__bar { background: var(--glacier); }
.page-home .device-card:nth-child(3) .device-card__bar { background: var(--flag-green); }
.page-home .device-card:nth-child(4) .device-card__bar { background: var(--flag-yellow); }
.page-home .device-card:nth-child(5) .device-card__bar { background: var(--signal); }
.page-home .device-card:nth-child(6) .device-card__bar { background: var(--flag-red); }

.page-home .device-card__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-home .device-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.page-home .device-card__branches {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .24s ease, opacity .2s ease, margin-top .24s ease;
}
.page-home .device-card:hover .device-card__branches,
.page-home .device-card:focus-within .device-card__branches {
  max-height: 240px;
  opacity: 1;
  margin-top: 12px;
}
.page-home .device-card__branches li {
  padding: 5px 0 5px 14px;
  border-left: 1px solid var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink-soft);
}
.page-home .device-card__link {
  margin-top: auto;
  padding-top: 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--glacier-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: color .16s ease, border-color .16s ease;
}
.page-home .device-card__link:hover {
  color: var(--signal-dark);
  border-bottom-color: var(--signal);
}

/* ---------- 三条路径 ---------- */
.page-home .routes {
  padding: 8px 0 52px;
}
.page-home .routes__grid {
  display: grid;
  gap: 14px;
}
.page-home .route-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--glacier);
  box-shadow: 2px 2px 0 rgba(16, 28, 54, .07);
  text-decoration: none;
  color: inherit;
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.page-home .route-card:nth-child(2) { border-top-color: var(--signal); }
.page-home .route-card:nth-child(3) { border-top-color: var(--flag-blue); }
.page-home .route-card:hover {
  transform: translateY(-3px);
  box-shadow: 4px 5px 0 rgba(16, 28, 54, .1);
}
.page-home .route-card__num {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-home .route-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-home .route-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.page-home .route-card__result {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--glacier-deep);
}

/* ---------- 覆盖与节奏 ---------- */
.page-home .scale {
  padding: 52px 0;
  background: linear-gradient(158deg, var(--indigo) 0%, var(--midnight) 100%);
  color: var(--paper-light);
}
.page-home .scale .section-head {
  border-bottom-color: rgba(248, 245, 239, .18);
}
.page-home .scale .section-head__title {
  color: var(--paper-light);
}
.page-home .scale .section-head__note {
  color: var(--rail-text);
}
.page-home .scale__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid rgba(248, 245, 239, .18);
  border-left: 1px solid rgba(248, 245, 239, .18);
}
.page-home .scale__item {
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  padding: 22px 16px;
  border-right: 1px solid rgba(248, 245, 239, .18);
  border-bottom: 1px solid rgba(248, 245, 239, .18);
}
.page-home .scale__num {
  margin: 0;
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--signal);
}
.page-home .scale__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--rail-text);
}
.page-home .scale__foot {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rail-text);
}
.page-home .scale__foot a {
  color: var(--glacier-lite);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 204, .5);
  transition: color .16s ease, border-color .16s ease;
}
.page-home .scale__foot a:hover {
  color: #FFFFFF;
  border-bottom-color: var(--signal);
}

/* ---------- 求助 ---------- */
.page-home .recovery {
  padding: 52px 0 60px;
}
.page-home .checklist {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .checklist__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--glacier);
  transition: border-left-color .16s ease, box-shadow .16s ease;
}
.page-home .checklist__item:hover {
  border-left-color: var(--signal);
  box-shadow: 2px 2px 0 rgba(16, 28, 54, .07);
}
.page-home .checklist__num {
  padding-top: 3px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--glacier-deep);
}
.page-home .checklist__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.page-home .checklist__text strong {
  display: inline-block;
  margin-right: 8px;
  color: var(--ink);
  font-weight: 800;
}

.page-home .recovery__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.page-home .recovery__note {
  margin: 0 0 28px;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .recovery__figure {
  position: relative;
  margin: 0;
  aspect-ratio: 8 / 3;
  overflow: hidden;
  border: 1px solid var(--rule);
  box-shadow: 2px 2px 0 rgba(16, 28, 54, .08);
  background: var(--midnight);
}
.page-home .recovery__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.8);
}
.page-home .recovery__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: rgba(16, 28, 54, .84);
  color: var(--paper-light);
  font-size: 11px;
  letter-spacing: .1em;
}

/* ---------- 响应式 ---------- */
@media (hover: none) {
  .page-home .device-card__branches {
    max-height: 240px;
    opacity: 1;
    margin-top: 12px;
  }
}

@media (min-width: 640px) {
  .page-home .devices__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .scale__num {
    font-size: 44px;
  }
}

@media (min-width: 768px) {
  .page-home .briefing__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 32px;
    align-items: start;
  }
  .page-home .routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .section-head__title {
    font-size: 26px;
  }
}

@media (min-width: 1024px) {
  .page-home .hero {
    padding: 32px 0 64px;
  }
  .page-home .hero::before {
    width: 560px;
    height: 560px;
    right: -120px;
    top: -140px;
  }
  .page-home .hero__inner {
    grid-template-columns: 56px minmax(0, 1fr) 300px;
    grid-template-rows: auto auto;
    gap: 26px 32px;
    align-items: start;
  }
  .page-home .hero__index {
    grid-column: 1;
    grid-row: 1 / span 2;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .page-home .hero__index-rule {
    width: 24px;
  }
  .page-home .hero__main {
    grid-column: 2;
    grid-row: 1;
  }
  .page-home .hero__stack {
    grid-column: 2;
    grid-row: 2;
  }
  .page-home .hero__figure {
    grid-column: 3;
    grid-row: 1 / span 2;
    max-width: none;
  }

  .page-home .devices__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-home .device-card:nth-child(1) { grid-column: span 3; }
  .page-home .device-card:nth-child(2) { grid-column: span 5; }
  .page-home .device-card:nth-child(3) { grid-column: span 4; }
  .page-home .device-card:nth-child(4) { grid-column: span 4; }
  .page-home .device-card:nth-child(5) { grid-column: span 3; }
  .page-home .device-card:nth-child(6) { grid-column: span 5; }
  .page-home .device-card:nth-child(2) { margin-top: 20px; }
  .page-home .device-card:nth-child(3) { margin-top: 40px; }
  .page-home .device-card:nth-child(5) { margin-top: 24px; }
  .page-home .device-card:nth-child(6) { margin-top: 6px; }

  .page-home .scale__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .scale__item {
    padding: 26px 20px;
  }
  .page-home .scale__num {
    font-size: 52px;
  }
}

@media (min-width: 1280px) {
  .page-home .hero__inner {
    grid-template-columns: 56px minmax(0, 1fr) 320px;
    gap: 30px 40px;
  }
}