.page-home {
  --home-rail: 86px;
  --home-gap: clamp(20px, 3vw, 48px);
  padding-bottom: clamp(48px, 7vw, 110px);
}

.page-home [id] {
  scroll-margin-top: calc(var(--header-h) + 22px);
}

/* ---------- 首屏：堆叠目录 ---------- */
.page-home .home-lead {
  padding-top: clamp(18px, 4.5vw, 54px);
}

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

.page-home .home-lead__kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .home-lead__title {
  margin: 0;
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(2.05rem, 6.4vw, 4.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--cream);
  max-width: 18ch;
}

.page-home .home-lead__accent {
  color: var(--gold-hot);
  background: linear-gradient(96deg, var(--gold) 0%, var(--gold-hot) 52%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-home .home-lead__lede {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .home-lead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  margin: 22px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--copper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cream);
}

.page-home .home-lead__meta span + span::before {
  content: "·";
  margin: 0 12px;
  color: var(--copper);
}

.page-home .home-lead__visual {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--copper);
  background: var(--ink-deep);
  aspect-ratio: 16 / 9;
}

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

.page-home .home-lead__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  margin: 0;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cream);
  background: linear-gradient(0deg, rgba(10, 18, 31, 0.92), rgba(10, 18, 31, 0));
}

/* ---------- 首屏目录 ---------- */
.page-home .home-toc {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .home-toc__link {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  align-items: baseline;
  gap: 2px 14px;
  padding: 15px 8px 15px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--cream);
  transition: padding-left 0.28s var(--ease), background-color 0.28s var(--ease),
    border-color 0.28s var(--ease);
}

.page-home .home-toc__link:hover,
.page-home .home-toc__link:focus-visible {
  padding-left: 12px;
  background-color: rgba(212, 162, 76, 0.09);
  border-bottom-color: var(--gold);
}

.page-home .home-toc__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-home .home-toc__name {
  font-size: clamp(1rem, 2.6vw, 1.35rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.page-home .home-toc__meta {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

@media (min-width: 560px) {
  .page-home .home-toc__link {
    grid-template-columns: 2.6rem minmax(0, 1fr) auto;
    align-items: baseline;
  }
  .page-home .home-toc__meta {
    grid-column: 3;
    white-space: nowrap;
  }
}

/* ---------- 左侧年份刻度 + 正文列 ---------- */
.page-home .home-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding-top: clamp(34px, 5.5vw, 74px);
}

.page-home .home-rail {
  display: none;
}

.page-home .home-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
}

.page-home .home-rail__item {
  position: relative;
  padding: 0 0 28px 16px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-home .home-rail__item::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line);
}

.page-home .home-rail__item--now {
  color: var(--gold);
}

.page-home .home-rail__item--now::before {
  background: var(--gold-hot);
  box-shadow: 0 0 0 4px rgba(212, 162, 76, 0.22);
}

@media (min-width: 1080px) {
  .page-home .home-body {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
    column-gap: clamp(24px, 3vw, 52px);
  }
  .page-home .home-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    padding-left: 14px;
    border-left: 1px solid var(--line);
  }
}

/* ---------- 通用区块 ---------- */
.page-home .band-block {
  border-top: 1px solid var(--line);
  padding-top: clamp(26px, 3.6vw, 46px);
  margin-top: clamp(34px, 4.6vw, 62px);
}

.page-home .home-main > .band-block:first-child {
  margin-top: 0;
}

.page-home .section-head {
  display: block;
}

.page-home .section-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-cn);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-home .block-lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 四条更新流 ---------- */
.page-home .streams__list {
  display: grid;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-home .stream {
  border-top: 1px solid var(--line);
  padding: clamp(22px, 3.2vw, 36px) 0;
}

.page-home .stream__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-home .stream__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .stream__title {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-home .stream__tag {
  margin-left: auto;
}

.page-home .stream__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 40px);
  margin-top: clamp(14px, 2vw, 24px);
}

.page-home .stream__text p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .stream__text--aside {
  border-left: 1px solid var(--copper);
  padding-left: clamp(14px, 2vw, 22px);
}

.page-home .stream__text--aside p {
  font-size: 14.5px;
  color: var(--cream);
}

.page-home .stream__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 40px;
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-home .stream__fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .stream__fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-home .stream__fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-hot);
}

.page-home .link-more {
  display: inline-block;
  margin-top: 20px;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--copper);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-home .link-more:hover,
.page-home .link-more:focus-visible {
  color: var(--gold-hot);
  border-bottom-color: var(--gold-hot);
}

.page-home .link-more--quiet {
  color: var(--mist);
  border-bottom-color: var(--line);
}

.page-home .stream__media {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--copper);
  background: var(--ink-deep);
  aspect-ratio: 3 / 2;
}

.page-home .stream__media--wide {
  aspect-ratio: 16 / 9;
}

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

.page-home .stream__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--cream);
  background: linear-gradient(0deg, rgba(10, 18, 31, 0.92), rgba(10, 18, 31, 0));
}

@media (min-width: 860px) {
  .page-home .stream__cols {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-home .stream--flip .stream__cols {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
  .page-home .stream--flip .stream__text {
    grid-column: 2;
    grid-row: 1;
  }
  .page-home .stream--flip .stream__media {
    grid-column: 1;
    grid-row: 1;
  }
}

/* ---------- 数据刻度墙 ---------- */
.page-home .datawall__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 30px) clamp(18px, 2.6vw, 42px);
  margin-top: clamp(24px, 3vw, 42px);
}

@media (min-width: 480px) {
  .page-home .datawall__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-home .datawall__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-home .datawall__cell--lead {
    grid-column: span 4;
  }
  .page-home .datawall__cell {
    grid-column: span 2;
  }
}

.page-home .datawall__cell {
  min-width: 0;
  border-top: 1px solid var(--copper);
  padding-top: 14px;
}

.page-home .datawall__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2.4rem, 11vw, 4.6rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: var(--cream);
  background: linear-gradient(178deg, var(--cream) 22%, var(--gold-hot) 125%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-home .datawall__cell--lead .datawall__num {
  font-size: clamp(3.4rem, 17vw, 9.5rem);
}

.page-home .datawall__label {
  margin: 14px 0 0;
  max-width: 26ch;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-home .datawall__note {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* ---------- 时间轴回溯 ---------- */
.page-home .eras__list {
  list-style: none;
  margin: clamp(22px, 3vw, 40px) 0 0;
  padding: 0;
}

.page-home .era {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: clamp(18px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--line);
}

.page-home .era__year {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-home .era__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--cream);
}

.page-home .era__body p {
  margin: 9px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .era__body .link-more {
  margin-top: 14px;
}

@media (min-width: 760px) {
  .page-home .era {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 0 28px;
  }
}

/* ---------- 纠错与反馈 ---------- */
.page-home .outreach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 46px);
  margin-top: clamp(20px, 2.8vw, 34px);
}

@media (min-width: 860px) {
  .page-home .outreach__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

.page-home .outreach__text p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .outreach__note {
  margin-top: 18px !important;
  padding-left: 16px;
  border-left: 1px solid var(--copper);
  font-size: 14px;
  color: var(--cream);
}

.page-home .outreach__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--ink-deep);
  border: 1px solid var(--copper);
}

.page-home .outreach__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-home .outreach__label + .outreach__mail,
.page-home .outreach__label + .outreach__hours {
  margin-top: 2px;
}

.page-home .outreach__mail {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.1rem);
  letter-spacing: -0.01em;
  color: var(--gold-hot);
  word-break: break-all;
}

.page-home .outreach__hours {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--cream);
}

.page-home .outreach__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

@media (min-width: 900px) {
  .page-home .home-lead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}