.page-home {
  --home-section-pad: clamp(48px, 8vw, 104px);
  --home-band-gap: clamp(20px, 3vw, 36px);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏分屏 ---------- */

.page-home .hero {
  padding: clamp(24px, 4.5vw, 52px) 0 clamp(36px, 6vw, 76px);
  background:
    linear-gradient(180deg, var(--lake-tint) 0%, rgba(238, 245, 251, 0) 64%),
    var(--paper);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
}

.page-home .hero__crumbs {
  margin: 0 0 clamp(16px, 3vw, 26px);
  padding: 0;
  font-size: 12px;
  color: var(--mist);
  line-height: 1.5;
}

.page-home .hero__eyebrow {
  margin: 0 0 .9em;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lake);
}

.page-home .hero__title {
  margin: 0 0 .55em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 8.4vw, 56px);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--lake-deep);
}

.page-home .hero__lede {
  margin: 0 0 1.5em;
  max-width: 33em;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.8;
  font-weight: 500;
  color: var(--ink-soft);
}

.page-home .hero__note {
  margin: 0;
  padding-top: 1.1em;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-home .hero__visual {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--lake-soft);
  isolation: isolate;
}

.page-home .hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .hero__lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  animation: home-drift 15s var(--ease) infinite alternate;
}

.page-home .hero__lines path {
  fill: none;
  stroke: var(--lake-deep);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .5;
}

.page-home .hero__lines path:nth-child(2) { opacity: .32; }
.page-home .hero__lines path:nth-child(3) { opacity: .18; }

.page-home .hero__caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(247, 248, 246, .82);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--lake-deep);
}

@keyframes home-drift {
  from { transform: translateX(-8px); }
  to { transform: translateX(8px); }
}

@media (min-width: 900px) {
  .page-home .hero {
    padding: clamp(36px, 5vw, 64px) 0 clamp(52px, 7vw, 96px);
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: stretch;
  }

  .page-home .hero__copy {
    display: flex;
    flex-direction: column;
  }

  .page-home .hero__note {
    margin-top: auto;
  }

  .page-home .hero__visual {
    aspect-ratio: auto;
    min-height: 380px;
    height: 100%;
  }
}

/* ---------- 通用区块节奏 ---------- */

.page-home .section {
  padding: var(--home-section-pad) 0;
}

.page-home .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--lake-deep);
}

.page-home .section__head .lede {
  max-width: 44em;
}

/* ---------- 三条入口 ---------- */

.page-home .entrances {
  background: var(--lake-tint);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .entrances__head {
  max-width: 46em;
}

.page-home .gate-list {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .gate {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  gap: 4px 14px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .gate__no {
  padding-top: .4em;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--lake);
}

.page-home .gate__main {
  min-width: 0;
}

.page-home .gate__title {
  margin: 0 0 .45em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2vw, 24px);
  color: var(--lake-deep);
}

.page-home .gate__pos {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-home .gate__extra {
  margin: .55em 0 0;
  max-height: 6em;
  opacity: 1;
  overflow: hidden;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--mist);
  transition: max-height var(--t-fold) var(--ease), opacity var(--t-mid) var(--ease) 60ms;
}

.page-home .gate__tag {
  grid-column: 2;
  justify-self: start;
  align-self: start;
}

@media (hover: hover) and (min-width: 900px) {
  .page-home .gate {
    grid-template-columns: 4em minmax(0, 1fr) 11em;
    align-items: start;
    gap: clamp(20px, 3vw, 44px);
    transition: background-color var(--t-fast) var(--ease);
  }

  .page-home .gate:hover {
    background: rgba(255, 255, 255, .6);
  }

  .page-home .gate__extra {
    max-height: 0;
    opacity: 0;
  }

  .page-home .gate:hover .gate__extra,
  .page-home .gate:focus-within .gate__extra {
    max-height: 6em;
    opacity: 1;
  }

  .page-home .gate__tag {
    grid-column: 3;
    justify-self: end;
  }
}

.page-home .gate-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-band-gap);
  margin-top: clamp(32px, 5vw, 56px);
}

.page-home .gate-fig {
  margin: 0;
}

.page-home .gate-fig__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-m);
  background: var(--white);
  border: 1px solid var(--line-soft);
  object-fit: cover;
}

.page-home .gate-fig__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--mist);
}

@media (min-width: 780px) {
  .page-home .gate-media {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

/* ---------- 更新状态条 ---------- */

.page-home .update-band {
  padding: clamp(40px, 6vw, 80px) 0;
  background: var(--paper);
}

.page-home .band {
  position: relative;
  padding: clamp(28px, 5vw, 56px) clamp(22px, 4vw, 56px);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--lake-soft);
  isolation: isolate;
}

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

.page-home .band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(100deg,
    rgba(247, 248, 246, .95) 0%,
    rgba(247, 248, 246, .84) 46%,
    rgba(220, 235, 246, .58) 100%);
}

.page-home .band__inner {
  position: relative;
  z-index: 2;
}

.page-home .band__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 .9em;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lake-deep);
}

.page-home .band__title {
  margin: 0 0 .5em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 4.6vw, 42px);
  line-height: 1.18;
  color: var(--lake-deep);
}

.page-home .band__text {
  margin: 0 0 1.7em;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .band__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
}

.page-home .band__jump {
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--lake);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .band__jump:hover,
.page-home .band__jump:focus-visible {
  color: var(--lake-deep);
  border-color: var(--lake);
}

/* ---------- 栏目与最近条目索引 ---------- */

.page-home .index {
  background: var(--white);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 24px;
}

.page-home .index__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
}

.page-home .index__note {
  margin: 1.2em 0 0;
  max-width: 26em;
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-home .index__lists {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 48px);
}

.page-home .index__gtitle {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-home .route-list,
.page-home .recent-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .route-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .route-item__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 15px 0;
  text-decoration: none;
  color: inherit;
  transition: padding-left var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-home .route-item__link:hover,
.page-home .route-item__link:focus-visible {
  padding-left: 10px;
  background: var(--grass-soft);
}

.page-home .route-item__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--lake-deep);
}

.page-home .route-item__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .recent-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .recent-item__ver {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
  font-weight: 500;
}

.page-home .recent-item__title {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink);
}

.page-home .recent-item__time {
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--mist);
}

@media (min-width: 640px) {
  .page-home .route-item__link {
    grid-template-columns: 9.5em minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

  .page-home .recent-item {
    grid-template-columns: 7.5em minmax(0, 1fr) 8.5em;
    align-items: baseline;
    gap: 18px;
  }

  .page-home .recent-item__time {
    text-align: right;
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-home .index__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(32px, 6vw, 84px);
    align-items: start;
  }

  .page-home .index__lists {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(36px, 5vw, 56px);
  }
}

/* ---------- 来路与登记收尾 ---------- */

.page-home .origin {
  background: var(--paper);
}

.page-home .origin__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-home .origin__copy p {
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .origin__copy p a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .origin__copy p a:hover,
.page-home .origin__copy p a:focus-visible {
  color: var(--lake-deep);
  border-color: var(--lake);
}

.page-home .origin__aside {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-m);
  background: var(--grass-soft);
  border: 1px solid var(--line-soft);
}

.page-home .origin-list {
  margin: 0 0 22px;
  padding: 0;
}

.page-home .origin-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(71, 127, 85, .18);
}

.page-home .origin-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .origin-list__row dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--grass);
}

.page-home .origin-list__row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-home .origin-list__mail {
  margin-right: 8px;
}

.page-home .origin__link {
  display: inline-block;
}

@media (min-width: 640px) {
  .page-home .origin-list__row {
    grid-template-columns: 9em minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-home .origin__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }
}

/* ---------- 无障碍与降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__lines {
    animation: none;
  }

  .page-home .gate__extra,
  .page-home .band__jump,
  .page-home .route-item__link,
  .page-home .origin__copy p a {
    transition: none;
  }
}