.page-home {
  background: var(--paper);
  color: var(--ink);
  padding-bottom: 0;
}

/* ---------- 页面上下文 ---------- */
.page-home .home-ctx {
  padding-top: 26px;
}
.page-home .home-ctx__line {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--muted);
}
.page-home .home-ctx__brand {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.page-home .home-ctx__sep {
  color: var(--rule);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding-top: 20px;
}
.page-home .hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-bottom: 34px;
}
.page-home .hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--copper);
}
.page-home .hero__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(32px, 8.4vw, 68px);
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.page-home .hero__lead-text {
  margin: 0 0 24px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: #3A4655;
}
.page-home .hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-home .hero__figure {
  margin: 0;
}
.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--paper-2);
}
.page-home .hero__meta {
  margin: 0;
  padding: 14px 0 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--rule);
}
.page-home .hero__meta-sep {
  color: var(--rule);
}
.page-home .hero__meta-link {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar-tint);
}
.page-home .hero__meta-link:hover,
.page-home .hero__meta-link:focus-visible {
  border-bottom-color: var(--cinnabar);
}

/* ---------- 年份刻度 ---------- */
.page-home .hero__scale {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scrollbar-width: none;
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}
.page-home .hero__scale::-webkit-scrollbar {
  display: none;
}
.page-home .scale__item {
  flex: 0 0 auto;
  position: relative;
}
.page-home .scale__link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-decoration: none;
  color: var(--muted);
  transition: color var(--t-fast) var(--ease);
}
.page-home .scale__year {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: inherit;
}
.page-home .scale__cap {
  font-size: 11px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.page-home .scale__link:hover .scale__year,
.page-home .scale__link:focus-visible .scale__year {
  color: var(--ink);
}
.page-home .scale__item--now .scale__year {
  color: var(--cinnabar);
}
.page-home .scale__item--now .scale__cap {
  color: var(--cinnabar);
}

/* ---------- 区块通用 ---------- */
.page-home .sec {
  border-top: 1px solid var(--rule);
  padding: 46px 0 50px;
}
.page-home .sec-head {
  margin-bottom: 26px;
}
.page-home .sec-head__kicker {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--copper);
}
.page-home .sec-head__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.008em;
  color: var(--ink);
}
.page-home .sec-head__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 46em;
}

/* ---------- 入口索引 ---------- */
.page-home .idx {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.page-home .idx__row {
  position: relative;
  border-bottom: 1px solid var(--rule);
  padding: 0 8px;
  transition: background-color var(--t-fast) var(--ease);
}
.page-home .idx__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 2px;
  height: 20px;
  background: var(--cinnabar);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--t-fast) var(--ease);
}
.page-home .idx__row:hover,
.page-home .idx__row:focus-within {
  background-color: var(--cinnabar-tint);
}
.page-home .idx__row:hover::before,
.page-home .idx__row:focus-within::before {
  transform: scaleY(1);
}
.page-home .idx__link {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 15px 0 4px;
  text-decoration: none;
  color: inherit;
}
.page-home .idx__no {
  font-size: 12px;
  color: var(--copper);
  letter-spacing: 0.06em;
}
.page-home .idx__name {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
}
.page-home .idx__note {
  font-size: 12px;
  color: var(--muted);
  text-align: right;
}
.page-home .idx__more {
  margin: 0 0 0 50px;
  padding: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  max-height: none;
  overflow: visible;
  opacity: 1;
}
.page-home .idx__row:last-child .idx__more {
  padding-bottom: 14px;
}

/* ---------- 双栏对照 ---------- */
.page-home .home-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}
.page-home .split__label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
}
.page-home .split__label--copper {
  color: var(--copper);
}
.page-home .home-split__fig {
  margin: 0 0 22px;
}
.page-home .home-split__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--paper-2);
}
.page-home .home-split__foot {
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}
.page-home .home-split__foot a {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar-tint);
}
.page-home .home-split__foot a:hover,
.page-home .home-split__foot a:focus-visible {
  border-bottom-color: var(--cinnabar);
}

.page-home .svc,
.page-home .lib {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.page-home .svc__item,
.page-home .lib__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 4px 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}
.page-home .lib__item {
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
}
.page-home .svc__no {
  grid-row: span 2;
  font-size: 12px;
  color: var(--copper);
  letter-spacing: 0.04em;
  padding-top: 2px;
}
.page-home .svc__name,
.page-home .lib__name {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}
.page-home .svc__desc,
.page-home .lib__desc {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 版本对照 ---------- */
.page-home .chips {
  margin-bottom: 24px;
}
.page-home .vlist {
  border-top: 1px solid var(--rule);
}
.page-home .vblock {
  padding: 20px 0 4px;
}
.page-home .vblock__head {
  margin: 0 0 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-home .vblock__meta {
  font-size: 12px;
  color: var(--muted);
}
.page-home .vrow {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .vrow__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 13px 0;
  border-top: 1px solid var(--rule);
}
.page-home .vrow__no {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--copper);
}
.page-home .vrow__topic {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}
.page-home .vrow__text {
  font-size: 13.5px;
  line-height: 1.7;
  color: #3A4655;
}
.page-home .ver-fig {
  margin: 30px 0 0;
}
.page-home .ver-fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--paper-2);
}
.page-home .ver-fig__cap {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 回访接续 ---------- */
.page-home .rec {
  border-top: 1px solid var(--rule);
}
.page-home .home-band {
  margin-top: 30px;
}

/* ---------- 主体与联络 ---------- */
.page-home .home-org {
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid var(--ink-deep);
}
.page-home .home-org__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 44px;
  padding-bottom: 44px;
}
.page-home .home-org__kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #8FB3A8;
}
.page-home .home-org__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 4.2vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}
.page-home .home-org__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: #B9C3CE;
  max-width: 34em;
}
.page-home .home-org__icp {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: #8A96A3;
}
.page-home .home-org__list {
  margin: 0;
  border-top: 1px solid rgba(199, 192, 176, 0.28);
}
.page-home .home-org__item {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(199, 192, 176, 0.28);
}
.page-home .home-org__item dt {
  font-size: 13px;
  color: #8A96A3;
}
.page-home .home-org__item dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}
.page-home .home-org__link {
  color: #E2A79F;
  text-decoration: none;
  border-bottom: 1px solid rgba(226, 167, 159, 0.45);
}
.page-home .home-org__link:hover,
.page-home .home-org__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-home .vrow__item {
    grid-template-columns: 86px 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
  .page-home .vrow__no,
  .page-home .vrow__topic,
  .page-home .vrow__text {
    padding-top: 0;
  }
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: 32px;
  }
  .page-home .hero__scale {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .hero {
    padding-top: 30px;
  }
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1fr) 236px 128px;
    gap: 28px;
    align-items: start;
    padding-bottom: 44px;
  }
  .page-home .hero__scale {
    grid-column: auto;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border-top: 0;
    border-left: 1px solid var(--rule);
    padding: 2px 0 0 16px;
    margin-top: 6px;
  }
  .page-home .scale__item {
    padding: 11px 0;
  }
  .page-home .scale__item::before {
    content: "";
    position: absolute;
    left: -21px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--rule);
    transition: background-color var(--t-fast) var(--ease),
                box-shadow var(--t-fast) var(--ease);
  }
  .page-home .scale__item--now::before {
    background: var(--cinnabar);
    box-shadow: 0 0 0 3px var(--cinnabar-tint);
  }
  .page-home .scale__link:hover .scale__year,
  .page-home .scale__link:focus-visible .scale__year {
    color: var(--cinnabar);
  }

  .page-home .idx__link {
    grid-template-columns: 46px minmax(0, 1fr) 180px;
    padding: 16px 0 2px;
  }
  .page-home .idx__more {
    margin-left: 58px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--t-mid) var(--ease),
                opacity var(--t-fast) var(--ease),
                padding-bottom var(--t-mid) var(--ease);
  }
  .page-home .idx__row:hover .idx__more,
  .page-home .idx__row:focus-within .idx__more {
    max-height: 5em;
    opacity: 1;
    padding-bottom: 14px;
  }
  .page-home .idx__row:last-child .idx__more {
    padding-bottom: 0;
  }
  .page-home .idx__row:last-child:hover .idx__more,
  .page-home .idx__row:last-child:focus-within .idx__more {
    padding-bottom: 14px;
  }

  .page-home .home-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
    align-items: start;
  }
  .page-home .home-split__col--left {
    padding-right: 40px;
  }
  .page-home .home-split__col--right {
    padding-left: 40px;
    border-left: 1px solid var(--rule);
  }

  .page-home .home-org__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 56px;
  }
  .page-home .home-org__list {
    border-top: 0;
  }
  .page-home .home-org__item:first-child {
    border-top: 0;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .idx__row,
  .page-home .idx__row::before,
  .page-home .idx__more,
  .page-home .scale__item::before,
  .page-home .scale__link {
    transition: none;
  }
}