.page-home {
  --home-gap: clamp(64px, 9vw, 128px);
  position: relative;
  color: var(--cream);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-home .crumbs {
  margin-bottom: clamp(18px, 3vw, 34px);
}

.page-home .figure {
  margin: 0;
}

.page-home .figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hair);
  border-radius: 6px;
  background: var(--ink-2);
  aspect-ratio: 3 / 2;
}

.page-home .figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-home .home-link {
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px dotted rgba(224, 184, 76, .6);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .home-link:hover,
.page-home .home-link:focus-visible {
  color: var(--cream);
  border-color: var(--cream);
}

/* ---------- 首屏：主题声明 + 四条编号目录 ---------- */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-bottom: var(--home-gap);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: -2% -2% 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(55% 60% at 74% 6%, rgba(201, 162, 39, .20), transparent 70%),
    radial-gradient(48% 48% at 6% 80%, rgba(111, 91, 214, .18), transparent 72%);
}

.page-home .home-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--gold-lt);
}

.page-home .home-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 68px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--cream);
  text-shadow: 0 0 28px rgba(201, 162, 39, .16);
}

.page-home .home-lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(243, 237, 224, .82);
}

.page-home .home-toc {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-home .home-toc__row {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 15px 46px 15px 18px;
  border: 1px solid var(--hair);
  border-left: 6px solid var(--n);
  border-radius: 6px 6px 2px 6px;
  background: linear-gradient(100deg, rgba(31, 34, 51, .92), rgba(23, 26, 58, .64));
  color: var(--cream);
  text-decoration: none;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-home .home-toc__row::after {
  content: "→";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--n);
  opacity: .65;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

.page-home .home-toc__row:hover,
.page-home .home-toc__row:focus-visible {
  transform: translateY(-2px);
  border-color: var(--hair-strong);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .45);
}

.page-home .home-toc__row:hover::after {
  transform: translate(4px, -50%);
  opacity: 1;
}

.page-home .home-toc__row:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-home .home-toc__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -.02em;
  color: var(--n);
}

.page-home .home-toc__text {
  display: grid;
  gap: 3px;
}

.page-home .home-toc__name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-home .home-toc__desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--mist);
}

.page-home .home-hero__fig .figure__frame {
  aspect-ratio: 4 / 3;
}

/* ---------- 四条主线区块 ---------- */

.page-home .home-line {
  position: relative;
  padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 8vw, 104px);
  border-top: 1px solid var(--hair);
}

.page-home .home-line__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
}

.page-home .home-anchor {
  position: absolute;
  top: clamp(-6px, 1vw, 12px);
  right: 0;
  z-index: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(72px, 15vw, 180px);
  line-height: .78;
  letter-spacing: -.05em;
  color: var(--n);
  opacity: .16;
  pointer-events: none;
  user-select: none;
}

.page-home .home-line--flip .home-anchor {
  right: auto;
  left: 0;
}

.page-home .home-line__head h2 {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-home .home-line__tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--n);
}

.page-home .home-line__tag .dot {
  flex: none;
}

.page-home .home-line__note p {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--n);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .home-line__main {
  max-width: 62ch;
}

.page-home .home-line__main p {
  margin: 0 0 1.2em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(243, 237, 224, .88);
}

.page-home .home-line__main p:last-child {
  margin-bottom: 0;
}

/* ---------- 本季更新公告 ---------- */

.page-home .home-log {
  position: relative;
  padding: clamp(48px, 7vw, 88px) 0 0;
  border-top: 1px solid var(--hair);
}

.page-home .home-log__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-home .home-log__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-home .home-log__head p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 237, 224, .78);
}

.page-home .home-log__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-home .home-log__item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  column-gap: 20px;
  padding-bottom: 6px;
}

.page-home .home-log__rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.page-home .home-log__rail::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: -18px;
  width: 1px;
  background: var(--hair-strong);
}

.page-home .home-log__item:last-child .home-log__rail::before {
  bottom: 14px;
}

.page-home .home-log__dot {
  position: relative;
  margin-top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--n);
  box-shadow: 0 0 12px var(--n);
}

.page-home .home-log__time {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--n);
}

.page-home .home-log__body {
  padding-bottom: 18px;
}

.page-home .home-fold {
  border: 1px solid var(--hair);
  border-radius: 6px 6px 2px 6px;
  background: rgba(23, 26, 58, .62);
  overflow: hidden;
  transition: border-color .25s var(--ease);
}

.page-home .home-fold[data-open] {
  border-color: var(--hair-strong);
}

.page-home .home-fold__head {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 0;
  background: none;
  color: var(--cream);
  font: inherit;
  font-size: 15px;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: background-color .25s var(--ease);
}

.page-home .home-fold__head:hover {
  background: rgba(31, 34, 51, .8);
}

.page-home .home-fold__head:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-home .home-fold__title {
  font-weight: 600;
}

.page-home .home-fold__sign {
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--n);
  transition: transform .3s var(--ease);
}

.page-home .home-fold[data-open] .home-fold__sign {
  transform: rotate(45deg);
}

.page-home .home-fold__panel {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .35s var(--ease), opacity .3s var(--ease);
}

.page-home .home-fold[data-open] .home-fold__panel {
  max-height: 320px;
  opacity: 1;
}

.page-home .home-fold__panel p {
  margin: 0;
  padding: 0 16px 16px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 237, 224, .8);
}

.page-home .home-log__fig {
  margin: clamp(28px, 4vw, 48px) 0 0;
}

.page-home .home-log__fig .figure__frame {
  aspect-ratio: 16 / 6;
}

.page-home .home-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-home .home-log__fine {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 900px) {
  .page-home .home-hero {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    grid-template-areas:
      "lead lead"
      "toc  fig";
    column-gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-home .home-hero__lead {
    grid-area: lead;
  }

  .page-home .home-toc {
    grid-area: toc;
  }

  .page-home .home-hero__fig {
    grid-area: fig;
    align-self: end;
  }

  .page-home .home-line__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    grid-template-areas:
      "head head"
      "note main"
      "fig  main";
    column-gap: clamp(24px, 4vw, 56px);
    row-gap: 24px;
  }

  .page-home .home-line--flip .home-line__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    grid-template-areas:
      "head head"
      "main note"
      "main fig";
  }

  .page-home .home-line__head {
    grid-area: head;
  }

  .page-home .home-line__note {
    grid-area: note;
    padding-top: 6px;
  }

  .page-home .home-line__main {
    grid-area: main;
  }

  .page-home .home-line__fig {
    grid-area: fig;
    align-self: start;
  }
}

@media (max-width: 899px) {
  .page-home .home-anchor {
    font-size: clamp(64px, 22vw, 118px);
    opacity: .12;
    top: -12px;
  }

  .page-home .home-line__head {
    padding-right: 84px;
  }

  .page-home .home-line__head h2 {
    max-width: none;
  }

  .page-home .home-log__fig .figure__frame {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 560px) {
  .page-home .home-toc__row {
    padding: 13px 40px 13px 14px;
    gap: 12px;
  }

  .page-home .home-log__item {
    grid-template-columns: 12px minmax(0, 1fr);
    column-gap: 14px;
  }

  .page-home .home-cta .btn {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-toc__row,
  .page-home .home-toc__row::after,
  .page-home .home-fold__sign,
  .page-home .home-fold__panel {
    transition: none;
  }
}