.page-home {
  --home-gap: clamp(56px, 9vw, 104px);
}

.page-home .home-hero {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-home .home-routes,
.page-home .home-track,
.page-home .home-sync,
.page-home .home-docs,
.page-home .home-cta {
  margin-top: var(--home-gap);
}

.page-home .home-cta {
  margin-bottom: clamp(44px, 8vw, 88px);
}

/* ---------- 首屏框景窗口 ---------- */

.page-home .hero-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4.5vw, 48px);
  background:
    radial-gradient(130% 100% at 88% 0%, rgba(200, 162, 74, 0.13), transparent 60%),
    linear-gradient(168deg, #171b20 0%, #0d0f12 72%);
}

.page-home .hero-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12px;
  background-image: repeating-linear-gradient(90deg, rgba(200, 162, 74, 0.5) 0 1px, transparent 1px 44px);
  opacity: 0.7;
  pointer-events: none;
}

.page-home .hero-frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 96px;
  height: 96px;
  background: linear-gradient(225deg, rgba(200, 162, 74, 0.34), transparent 64%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  pointer-events: none;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 42px);
  align-items: start;
}

.page-home .hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 5.6vw, 54px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-home .hero-copy .lede {
  margin-top: 18px;
  max-width: 46ch;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-home .hero-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transform: rotate(-1.4deg);
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, 0.95);
}

.page-home .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-home .hero-status {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: clamp(18px, 3vw, 26px) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .hero-status__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 14px;
  border-left: 1px solid var(--gold-line);
}

.page-home .hero-status__key {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cool);
}

.page-home .hero-status__val {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--gold-light);
}

/* ---------- Bento 入口区 ---------- */

.page-home .route-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-home .route-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(170deg, #171a1e 0%, #111418 100%);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-home .route-card:hover,
.page-home .route-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--gold-line);
  box-shadow: 0 22px 46px -26px rgba(0, 0, 0, 0.95);
}

.page-home .route-card .card__label {
  color: var(--cool);
}

.page-home .route-card .card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 27px);
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-home .route-card__meta {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--cool);
}

.page-home .route-card__link {
  margin-top: auto;
  padding-top: 8px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}

.page-home .route-card__link:hover,
.page-home .route-card__link:focus-visible {
  border-bottom-color: var(--gold-line);
}

.page-home .route-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  min-height: 200px;
}

.page-home .route-media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-home .route-media__tag {
  position: absolute;
  left: 16px;
  bottom: 14px;
  padding: 5px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: rgba(13, 15, 18, 0.76);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cream);
}

/* ---------- 版本刻度带 ---------- */

.page-home .rail {
  display: flex;
  list-style: none;
  margin: clamp(26px, 4.4vw, 42px) 0 0;
  padding: 0 0 12px;
  border-top: 1px solid var(--line-strong);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-home .rail__item {
  position: relative;
  flex: 1 0 140px;
  scroll-snap-align: start;
  padding: 18px 14px 6px 0;
}

.page-home .rail__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 1px;
  height: 12px;
  background: var(--line-strong);
}

.page-home .rail__item--current::before {
  height: 22px;
  background: var(--gold);
}

.page-home .rail__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cool);
}

.page-home .rail__label {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--cream);
}

.page-home .rail__item--current .rail__no,
.page-home .rail__item--current .rail__label {
  color: var(--gold-light);
}

.page-home .track-lower {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(28px, 5vw, 46px);
}

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

.page-home .track-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-home .track-note:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .track-note__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--clay);
  padding-top: 3px;
}

.page-home .track-note__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--cool);
}

/* ---------- 跨设备同步 ---------- */

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

.page-home .sync-copy h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-home .sync-copy .prose {
  margin-top: 18px;
}

.page-home .sync-copy .btn {
  margin-top: clamp(20px, 3vw, 28px);
}

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

.page-home .sync-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-soft);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-home .sync-item:hover {
  transform: translateY(-3px);
  border-color: rgba(30, 107, 91, 0.65);
}

.page-home .sync-item__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--forest);
  padding-top: 3px;
}

.page-home .sync-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--cream);
}

/* ---------- 常见说明预览 ---------- */

.page-home .docs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.4vw, 46px);
}

.page-home .docs-intro h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-home .docs-intro .prose {
  margin-top: 18px;
}

.page-home .docs-intro .btn {
  margin-top: clamp(20px, 3vw, 28px);
}

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

.page-home .docs-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: clamp(14px, 2vw, 18px) clamp(16px, 2.2vw, 20px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--stone);
  border-radius: var(--radius-sm);
  background: #14171b;
  transition: border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-home .docs-item:hover {
  border-color: var(--line-strong);
}

.page-home .docs-item--focus {
  border-left-color: var(--gold);
  background: linear-gradient(100deg, rgba(200, 162, 74, 0.1), rgba(20, 23, 27, 0.9) 62%);
}

.page-home .docs-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cool);
  padding-top: 4px;
}

.page-home .docs-item--focus .docs-item__no {
  color: var(--gold-light);
}

.page-home .docs-item__title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--cream);
}

.page-home .docs-item__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--cool);
}

/* ---------- 收束区块 ---------- */

.page-home .cta-panel {
  position: relative;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  min-height: 320px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
}

.page-home .cta-panel__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-home .cta-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(13, 15, 18, 0.3) 0%, rgba(13, 15, 18, 0.93) 74%);
  pointer-events: none;
}

.page-home .cta-panel__body {
  position: relative;
  z-index: 2;
  max-width: 620px;
  padding: clamp(28px, 5vw, 52px);
}

.page-home .cta-panel__body h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.8vw, 36px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-home .cta-panel__body .lede {
  margin-top: 16px;
}

.page-home .cta-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.2vw, 30px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .hero-status {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-home .route-bento {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-home .route-card--list {
    grid-column: span 4;
  }
  .page-home .route-card--news {
    grid-column: span 2;
  }
  .page-home .route-media {
    grid-column: span 3;
  }
  .page-home .route-card--docs {
    grid-column: span 3;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
  .page-home .hero-media img {
    aspect-ratio: 4 / 5;
  }
  .page-home .track-lower {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }
  .page-home .sync-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
  .page-home .docs-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }
  .page-home .cta-panel {
    min-height: 400px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .route-card,
  .page-home .sync-item,
  .page-home .docs-item {
    transition: none;
  }
  .page-home .route-card:hover,
  .page-home .route-card:focus-within,
  .page-home .sync-item:hover {
    transform: none;
  }
}