/* ================= 首页专属样式 ================= */
.page-home {
  --home-rail: 208px;
  --home-edge: clamp(18px, 4vw, 52px);
  --home-ink-dim: rgba(242, 237, 228, 0.74);
  --home-block: clamp(42px, 6vw, 86px);
  background: var(--paper);
  color: var(--brown);
}

/* ---- 面包屑 ---- */
.page-home .crumbs {
  margin-bottom: clamp(20px, 3vw, 36px);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gray);
}
.page-home .crumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.page-home .crumbs li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--gray);
  opacity: 0.5;
}
.page-home .crumbs a {
  color: var(--copper-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.page-home .crumbs a:hover,
.page-home .crumbs a:focus-visible {
  border-bottom-color: var(--copper);
}

/* ---- 首屏 ---- */
.page-home .home-hero {
  padding-block: clamp(20px, 3.5vw, 44px) clamp(28px, 5vw, 68px);
}
.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 48px);
  align-items: end;
}
.page-home .home-hero__title {
  margin: 0 0 clamp(16px, 2vw, 26px);
  color: var(--brown);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.page-home .home-hero__lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: var(--brown);
  opacity: 0.82;
}
.page-home .home-hero__media {
  margin: 0;
  border: 1px solid var(--rule);
  overflow: hidden;
}
.page-home .home-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* ---- 变更声明带 ---- */
.page-home .announce {
  margin-top: clamp(26px, 4vw, 52px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: center;
  padding: clamp(18px, 2.4vw, 26px) clamp(20px, 3vw, 34px);
  background: var(--ink);
  color: var(--paper);
  border-left: 6px solid var(--copper);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
.page-home .announce__mark {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  white-space: nowrap;
}
.page-home .announce__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--home-ink-dim);
}
.page-home .announce__cta {
  justify-self: start;
  white-space: nowrap;
}

/* ---- 主体：左索引 + 右内容 ---- */
.page-home .home-body {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
}
.page-home .home-rail {
  border-top: 2px solid var(--brown);
  padding-top: 14px;
  margin-bottom: clamp(30px, 5vw, 48px);
}
.page-home .home-rail .rail__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gray);
}
.page-home .home-rail .rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
}
.page-home .home-rail .rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0 6px 12px;
  border-left: 2px solid var(--rule);
  font-size: 14px;
  color: var(--brown);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease),
    padding-left var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-home .home-rail .rail__link:hover,
.page-home .home-rail .rail__link:focus-visible,
.page-home .home-rail .rail__link[aria-current="true"] {
  border-left-color: var(--copper);
  padding-left: 18px;
  color: var(--copper-deep);
}
.page-home .home-rail .rail__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
}
.page-home .home-rail .rail__stamp {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

/* ---- 展板通用 ---- */
.page-home .home-board {
  position: relative;
  padding-block: var(--home-block);
  border-top: 1px solid var(--rule);
}
.page-home .home-board:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-home .home-board::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 84px;
  height: 1px;
  background: var(--copper);
  transform: rotate(-45deg);
  transform-origin: left top;
}
.page-home .home-board:first-child::before {
  display: none;
}
.page-home .home-board .board__label {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--copper);
}
.page-home .home-board .board__title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  max-width: 22ch;
  color: var(--brown);
  line-height: 1.1;
}
.page-home .home-board__lede {
  margin: 0 0 clamp(24px, 3.5vw, 40px);
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---- 通用链接 ---- */
.page-home .home-link {
  display: inline-block;
  margin-top: clamp(22px, 3vw, 34px);
  padding-bottom: 4px;
  font-size: 14px;
  color: var(--copper-deep);
  text-decoration: none;
  background-image: linear-gradient(var(--copper), var(--copper));
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 28px 1px;
  transition: background-size var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-home .home-link:hover,
.page-home .home-link:focus-visible {
  background-size: 100% 1px;
  color: var(--brown);
}

/* ---- 展板 A ---- */
.page-home .chg-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--rule);
  border-block: 1px solid var(--rule);
}
.page-home .chg-item {
  padding: clamp(18px, 2.6vw, 28px) 0;
  background: var(--paper);
}
.page-home .chg-item__meta {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper);
}
.page-home .chg-item__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 700;
  color: var(--brown);
  line-height: 1.35;
}
.page-home .chg-item__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---- 展板 B ---- */
.page-home .entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.page-home .entry {
  display: block;
  padding: clamp(20px, 3vw, 34px);
  background: var(--paper);
  text-decoration: none;
  color: var(--brown);
  transition: background var(--dur) var(--ease);
}
.page-home .entry:hover,
.page-home .entry:focus-visible {
  background: var(--paper-2);
}
.page-home .entry__no {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ink);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-home .entry:hover .entry__no,
.page-home .entry:focus-visible .entry__no {
  color: var(--copper);
  transform: translateX(6px);
}
.page-home .entry__title {
  margin: 0 0 10px;
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 700;
  color: var(--brown);
  line-height: 1.35;
}
.page-home .entry__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}
.page-home .entry__go {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper-deep);
}

/* ---- 展板 C ---- */
.page-home .split-c {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 40px);
}
.page-home .kind {
  padding-block: clamp(20px, 2.6vw, 28px);
  border-top: 1px solid var(--rule);
}
.page-home .kind__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
}
.page-home .kind--core .kind__no {
  color: var(--copper);
}
.page-home .kind--outer .kind__no {
  color: var(--cyan-deep);
}
.page-home .kind__title {
  margin: 0 0 14px;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: var(--brown);
  line-height: 1.35;
}
.page-home .kind__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .kind__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}
.page-home .kind__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--copper);
}
.page-home .kind--outer .kind__list li::before {
  background: var(--cyan-deep);
}
.page-home .kind__list strong {
  color: var(--brown);
  font-weight: 700;
}
.page-home .kind__scene {
  margin: 0;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--brown);
  background: var(--paper-2);
  border-left: 3px solid var(--copper);
}
.page-home .kind--outer .kind__scene {
  border-left-color: var(--cyan-deep);
}
.page-home .split-c__media {
  margin: 0;
  border: 1px solid var(--rule);
  overflow: hidden;
}
.page-home .split-c__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 7;
  object-fit: cover;
}

/* ---- 展板 D：深色数据带 ---- */
.page-home .home-board--ink {
  background: var(--ink);
  color: var(--paper);
  padding-inline: clamp(20px, 4vw, 48px);
  border-top-color: var(--ink);
}
.page-home .home-board--ink::before {
  background: var(--cyan);
  left: clamp(20px, 4vw, 48px);
}
.page-home .home-board--ink .board__label {
  color: var(--cyan);
}
.page-home .home-board--ink .board__title {
  color: var(--paper);
}
.page-home .home-board--ink .home-board__lede {
  color: var(--home-ink-dim);
}
.page-home .stat-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 40px);
}
.page-home .home-board--ink .stat__num {
  margin: 0 0 12px;
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
}
.page-home .home-board--ink .stat__num--copper {
  color: var(--copper-soft);
}
.page-home .home-board--ink .stat__num--cyan {
  color: var(--cyan);
}
.page-home .home-board--ink .stat__cap {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--rule-dark);
  font-size: 13px;
  line-height: 1.7;
  color: var(--home-ink-dim);
}

/* 数据带底部 */
.page-home .data-foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(34px, 5vw, 60px);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--rule-dark);
}
.page-home .data-foot__media {
  margin: 0;
  border: 1px solid var(--rule-dark);
  overflow: hidden;
}
.page-home .data-foot__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-home .data-foot__note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--home-ink-dim);
}
.page-home .field-tags {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-home .home-board--ink .copy-btn {
  color: var(--paper);
  border-color: var(--copper-soft);
  background: transparent;
}
.page-home .home-board--ink .copy-btn:hover,
.page-home .home-board--ink .copy-btn:focus-visible {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--paper);
}

/* ---- 展板 E ---- */
.page-home .home-board__banner {
  margin: 0 0 clamp(28px, 4vw, 48px);
  border: 1px solid var(--rule);
  overflow: hidden;
}
.page-home .home-board__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}
.page-home .home-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 clamp(20px, 3vw, 34px);
  border-left: 1px solid var(--rule);
}
.page-home .tl-node {
  position: relative;
  padding-block: clamp(16px, 2vw, 22px);
  border-bottom: 1px solid var(--rule);
  transition: transform var(--dur) var(--ease);
}
.page-home .tl-node:last-child {
  border-bottom: 0;
}
.page-home .tl-node::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(20px, 3vw, 34px) - 6px);
  top: clamp(22px, 2.4vw, 28px);
  width: 9px;
  height: 9px;
  background: var(--paper);
  border: 2px solid var(--copper);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-home .tl-node:hover::before,
.page-home .tl-node:focus-within::before {
  transform: scale(1.08);
  background: var(--copper);
}
.page-home .tl-node__time {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--copper);
}
.page-home .tl-node__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  color: var(--brown);
  line-height: 1.4;
}
.page-home .tl-node__body {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
  max-height: 1.9em;
  overflow: hidden;
  transition: max-height 0.2s var(--ease);
}
.page-home .tl-node:hover .tl-node__body,
.page-home .tl-node:focus-within .tl-node__body {
  max-height: 7em;
}

/* ---- 尾条 ---- */
.page-home .home-strip {
  position: relative;
  background: var(--ink-2);
  color: var(--paper);
  padding-block: clamp(20px, 3vw, 30px);
  overflow: hidden;
}
.page-home .home-strip__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  align-items: baseline;
}
.page-home .home-strip__item {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--home-ink-dim);
}
.page-home .home-strip__num {
  font-size: 20px;
  color: var(--copper-soft);
  letter-spacing: -0.01em;
}
.page-home .home-strip__stamp {
  color: var(--cyan);
  letter-spacing: 0.16em;
}
.page-home .scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--rule-dark);
}
.page-home .scroll-progress__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--copper), var(--cyan));
  transition: transform 0.08s linear;
}

/* ---- 平板 ---- */
@media (min-width: 720px) {
  .page-home .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .announce {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: clamp(18px, 2.4vw, 32px);
  }
  .page-home .announce__cta {
    justify-self: end;
  }
  .page-home .stat-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .data-foot {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-home .home-rail .rail__list {
    flex-direction: row;
  }
}

/* ---- 桌面 ---- */
@media (min-width: 1000px) {
  .page-home .home-hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(16px, 2vw, 32px);
  }
  .page-home .home-hero__copy {
    grid-column: 1 / span 5;
  }
  .page-home .home-hero__media {
    grid-column: 7 / -1;
  }

  .page-home .home-body {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
    column-gap: clamp(34px, 5vw, 76px);
  }
  .page-home .home-rail {
    position: sticky;
    top: calc(var(--nav-h) + 28px);
    margin-bottom: 0;
  }
  .page-home .home-rail .rail__list {
    flex-direction: column;
    gap: 0;
  }
  .page-home .home-rail .rail__link {
    width: 100%;
  }

  .page-home .split-c {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    column-gap: clamp(30px, 4vw, 56px);
  }
  .page-home .split-c__media {
    position: sticky;
    top: calc(var(--nav-h) + 28px);
  }

  .page-home .home-board--ink {
    margin-inline: calc(-1 * clamp(0px, 2vw, 26px));
    padding-inline: clamp(28px, 4vw, 56px);
  }
  .page-home .home-board--ink::before {
    left: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1180px) {
  .page-home .stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---- 减少动态 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .page-home .tl-node__body {
    max-height: none;
  }
}
<<<END>>>