.page-home {
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-home .section__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1.26;
  letter-spacing: -0.005em;
  margin: 8px 0 0;
}

.page-home .opening__figure .figure__frame,
.page-home .mobile__figure .figure__frame,
.page-home .archive__figure .figure__frame,
.page-home .guide__figure .figure__frame {
  border: var(--edge);
  box-shadow: var(--push);
}

/* ---------- 首屏 ---------- */
.page-home .opening {
  padding: 26px 0 36px;
  border-bottom: var(--edge);
  background:
    linear-gradient(180deg, rgba(217, 201, 174, 0.28), rgba(245, 241, 232, 0) 62%);
}

.page-home .opening__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-home .opening h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 12px 0 0;
}

.page-home .opening__sub {
  margin: 16px 0 0;
  max-width: 30em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .opening__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

.page-home .opening__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 26px 0 0;
  border-top: var(--edge);
  border-bottom: var(--edge);
}

.page-home .opening__stats > div {
  padding: 12px 10px 12px 0;
  border-right: 1px solid var(--sand);
}

.page-home .opening__stats > div:last-child {
  border-right: 0;
  padding-left: 10px;
}

.page-home .opening__stats dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--shale);
}

.page-home .opening__stats dd {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(22px, 5vw, 30px);
  line-height: 1;
  color: var(--blue);
}

.page-home .opening__figure {
  margin: 0 0 20px;
}

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

.page-home .ticks__label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--shale);
}

.page-home .ticks__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--edge);
}

.page-home .ticks__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 8px 8px 8px 2px;
  border-bottom: 1px solid var(--sand);
  text-decoration: none;
  color: var(--ink);
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-home .ticks__list li:last-child .ticks__link {
  border-bottom: var(--edge);
}

.page-home .ticks__link:hover,
.page-home .ticks__link:focus-visible {
  background: var(--sand);
  border-bottom-color: var(--ink);
  padding-left: 12px;
}

.page-home .ticks__num {
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(24px, 5.5vw, 34px);
  line-height: 1;
  color: var(--gold);
  transition: color 0.16s var(--ease);
}

.page-home .ticks__link:hover .ticks__num,
.page-home .ticks__link:focus-visible .ticks__num {
  color: var(--cinnabar);
}

.page-home .ticks__txt {
  font-size: 13px;
  line-height: 1.5;
  color: var(--shale);
}

/* ---------- 手机浏览 ---------- */
.page-home .mobile {
  padding: 40px 0 44px;
  background: var(--blue);
  color: var(--paper);
  border-bottom: var(--edge);
}

.page-home .mobile__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-home .mobile h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.28;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-home .mobile__lead {
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(245, 241, 232, 0.86);
}

.page-home .steps {
  list-style: none;
  counter-reset: s;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid rgba(245, 241, 232, 0.34);
}

.page-home .steps li {
  counter-increment: s;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(245, 241, 232, 0.34);
}

.page-home .steps li::before {
  content: counter(s, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--gold);
}

.page-home .steps strong {
  display: block;
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-home .steps span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(245, 241, 232, 0.76);
}

.page-home .mobile__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

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

/* ---------- 年份与栏目 ---------- */
.page-home .archive {
  padding: 44px 0 40px;
  border-bottom: var(--edge);
}

.page-home .archive__lead {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.82;
  color: var(--shale);
}

.page-home .archive__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 30px;
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 3px solid var(--gold);
}

.page-home .timeline li {
  position: relative;
  padding-bottom: 24px;
}

.page-home .timeline li:last-child {
  padding-bottom: 0;
}

.page-home .timeline li::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 8px;
  width: 15px;
  height: 15px;
  background: var(--paper);
  border: 3px solid var(--blue);
  border-radius: 50%;
}

.page-home .timeline__year {
  display: block;
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(26px, 6vw, 40px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.01em;
}

.page-home .timeline__text {
  margin: 8px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

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

.page-home .topics {
  margin-top: 36px;
  padding-top: 26px;
  border-top: var(--edge);
}

.page-home .topics__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(19px, 3.6vw, 24px);
  line-height: 1.4;
  margin: 0;
}

.page-home .topics__list {
  list-style: none;
  counter-reset: t;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-home .topics__list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  border: var(--edge);
  background: var(--paper);
  font-size: 14px;
  line-height: 1.4;
  transition: background-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-home .topics__list li::before {
  content: counter(t, decimal-leading-zero);
  counter-increment: t;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--verdigris);
}

.page-home .topics__list li:hover {
  background: var(--sand);
  transform: translate(-2px, -2px);
}

.page-home .topics__note {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--shale);
  border-left: 3px solid var(--cinnabar);
  padding-left: 12px;
}

/* ---------- 最近更新 ---------- */
.page-home .latest {
  padding: 40px 0 44px;
  background: var(--sand);
  border-bottom: var(--edge);
}

.page-home .latest__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-home .latest__lead {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .updates {
  list-style: none;
  margin: 22px 0 22px;
  padding: 0;
}

.page-home .updates li {
  padding: 14px 0;
  border-top: 1px solid rgba(23, 23, 20, 0.24);
}

.page-home .updates li:last-child {
  border-bottom: 1px solid rgba(23, 23, 20, 0.24);
}

.page-home .updates__when {
  display: inline-block;
  margin-bottom: 6px;
  padding: 1px 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--verdigris);
}

.page-home .updates__title {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
}

.page-home .sample {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .sample__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  margin: 0;
  padding-bottom: 8px;
  border-bottom: var(--edge);
}

.page-home .sample .card {
  padding: 14px 16px;
  background: var(--paper);
}

.page-home .card__text {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--shale);
}

/* ---------- 使用指南 ---------- */
.page-home .guide {
  padding: 44px 0 40px;
  border-bottom: var(--edge);
}

.page-home .guide__figure {
  margin: 0 0 28px;
}

.page-home .guide__lead {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.82;
  color: var(--shale);
}

.page-home .guide__steps {
  list-style: none;
  counter-reset: g;
  margin: 24px 0 0;
  padding: 0;
  border-top: var(--edge);
}

.page-home .guide__steps li {
  counter-increment: g;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--sand);
  font-size: 14px;
  line-height: 1.65;
}

.page-home .guide__steps li::before {
  content: counter(g, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.9;
  color: var(--gold);
}

.page-home .guide__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

/* ---------- 联系与收藏 ---------- */
.page-home .reach {
  padding: 40px 0 44px;
  background: var(--blue);
  color: var(--paper);
}

.page-home .reach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .reach h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 4.8vw, 34px);
  line-height: 1.28;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-home .reach__lead {
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(245, 241, 232, 0.86);
}

.page-home .reach__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid rgba(245, 241, 232, 0.34);
}

.page-home .reach__list li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(245, 241, 232, 0.34);
  font-size: 15px;
  line-height: 1.6;
  word-break: break-word;
}

.page-home .reach__key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--sand);
  padding-top: 4px;
}

.page-home .reach__list a {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--gold);
}

.page-home .reach__list a:hover,
.page-home .reach__list a:focus-visible {
  color: var(--gold);
}

.page-home .reach__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

.page-home .reach__tip {
  border: var(--edge);
  border-color: var(--sand);
  background: var(--deep);
  padding: 20px 18px;
  box-shadow: 8px 8px 0 rgba(14, 24, 32, 0.55);
}

.page-home .reach__tip h3 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  margin: 0 0 12px;
  color: var(--paper);
}

.page-home .reach__tip p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(245, 241, 232, 0.8);
}

.page-home .reach__tip-note {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--sand);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .opening__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 38px;
    align-items: start;
  }

  .page-home .opening__stats > div:nth-child(2) {
    padding-left: 10px;
  }

  .page-home .topics__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .guide__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 30px;
  }

  .page-home .latest__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 34px;
  }
}

@media (min-width: 1024px) {
  .page-home .opening {
    padding: 40px 0 56px;
  }

  .page-home .mobile {
    padding: 56px 0 60px;
  }

  .page-home .mobile__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 46px;
    align-items: start;
  }

  .page-home .archive {
    padding: 58px 0 52px;
  }

  .page-home .archive__split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 46px;
  }

  .page-home .topics__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .latest {
    padding: 52px 0 56px;
  }

  .page-home .guide {
    padding: 58px 0 54px;
  }

  .page-home .reach {
    padding: 52px 0 58px;
  }

  .page-home .reach__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 44px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ticks__link,
  .page-home .ticks__num,
  .page-home .topics__list li {
    transition: none;
  }

  .page-home .topics__list li:hover {
    transform: none;
  }
}