.page-home {
  --home-gap: clamp(20px, 3vw, 36px);
  --home-block: clamp(32px, 5vw, 64px);
}

/* ---------- 封面首屏 ---------- */
.page-home .cover {
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(32px, 6vw, 72px);
}

.page-home .cover__context {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--gray-500);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-200);
  margin: 0 0 clamp(24px, 4vw, 44px);
}

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

.page-home .cover__masthead {
  text-align: center;
  padding: clamp(18px, 3vw, 28px) 0;
  border-top: 1px solid var(--line-200);
  border-bottom: 1px solid var(--line-200);
}

.page-home .cover__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: .38em;
  color: var(--jade-600);
}

.page-home .cover__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.4vw, 60px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--ink-900);
  margin: 0 0 18px;
}

.page-home .cover__lede {
  max-width: 30em;
  margin: 0 auto 20px;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: var(--ink-700);
}

.page-home .cover__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--gold-500);
}

.page-home .cover__panel {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-home .cover__index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .cover__bookmark {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 34px 16px 18px;
  background: var(--paper-000);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-s);
  text-decoration: none;
  color: var(--ink-900);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-home .cover__bookmark::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 18px solid var(--mist-050);
  border-left: 18px solid transparent;
}

.page-home .cover__bookmark:hover,
.page-home .cover__bookmark:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-m);
  border-color: var(--jade-400);
    outline: none;
}

.page-home .cover__bookmark:focus-visible {
  outline: 2px solid var(--jade-600);
  outline-offset: 3px;
}

.page-home .cover__bookmark--gold {
  background: var(--gold-100);
  border-color: var(--gold-500);
}

.page-home .cover__bookmark--gold::after {
  border-top-color: var(--paper-000);
}

.page-home .cover__num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--gold-500);
  letter-spacing: .08em;
}

.page-home .cover__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-18);
  line-height: 1.4;
  color: var(--ink-900);
}

.page-home .cover__note {
  grid-column: 2;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray-500);
}

.page-home .cover__shot {
  margin: 0;
  border: 1px solid var(--line-200);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--mist-050);
  box-shadow: var(--shadow-m);
}

.page-home .cover__shot img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  object-position: top center;
}

.page-home .cover__shot .media__caption {
  padding: 12px 16px;
  background: var(--paper-000);
  border-top: 1px solid var(--line-200);
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--gray-500);
}

/* ---------- 章节目录骨架 ---------- */
.page-home .chapter-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 48px);
  align-items: start;
}

.page-home .chapter-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .2em;
  color: var(--gray-500);
}

.page-home .toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-home .toc__link {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--gray-500);
  text-decoration: none;
  padding: 6px 10px;
  border-left: 2px solid var(--line-200);
  white-space: nowrap;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .toc__link:hover,
.page-home .toc__link.is-active {
  color: var(--jade-600);
  border-left-color: var(--jade-600);
}

.page-home .chapter-flow {
  min-width: 0;
}

.page-home .chapter {
  padding-block: var(--home-block);
  border-top: 1px solid var(--line-200);
}

.page-home .chapter:first-child {
  border-top: none;
  padding-top: clamp(20px, 3vw, 32px);
}

.page-home .chapter__kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .22em;
  color: var(--jade-600);
  margin-bottom: 10px;
}

.page-home .chapter__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1.32;
  color: var(--ink-900);
  margin: 0 0 16px;
}

.page-home .chapter__text {
  font-size: var(--fs-16);
  line-height: 1.88;
  color: var(--ink-700);
  margin: 0 0 16px;
}

/* ---------- 会员中心 ---------- */
.page-home .hub__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: start;
}

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

.page-home .hub__aside-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-16);
  color: var(--ink-900);
  margin: 0 0 8px;
}

.page-home .hub__aside p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-700);
}

.page-home .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-200);
  border-radius: var(--radius-s);
  background: var(--paper-000);
}

.page-home .compare-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-home .compare-table__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--gray-500);
  border-bottom: 1px solid var(--line-200);
}

.page-home .compare-table th,
.page-home .compare-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-200);
  line-height: 1.7;
}

.page-home .compare-table th {
  background: var(--mist-050);
  color: var(--ink-900);
  font-weight: 700;
  white-space: nowrap;
}

.page-home .compare-table tbody tr:nth-child(even) {
  background: var(--mist-050);
}

.page-home .compare-table tbody tr:hover,
.page-home .compare-table tbody tr.is-active {
  background: var(--gold-100);
}

.page-home .compare-table tbody tr:last-child td {
  border-bottom: none;
}

.page-home .compare-table a {
  color: var(--jade-600);
}

/* ---------- 回访入口 ---------- */
.page-home .revisit {
  position: relative;
  margin-block: var(--home-block);
  padding: clamp(28px, 5vw, 64px) clamp(20px, 4vw, 48px);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: var(--shadow-l);
}

.page-home .revisit__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-home .revisit__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: center;
}

.page-home .revisit__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.25;
  color: var(--paper-000);
  margin: 0 0 14px;
}

.page-home .revisit__text {
  margin: 0 0 20px;
  font-size: var(--fs-16);
  line-height: 1.88;
  color: #C9DED9;
}

.page-home .revisit__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 0;
}

.page-home .revisit__stat {
  margin: 0;
  font-size: var(--fs-14);
  color: #A9C4BF;
  line-height: 1.6;
}

.page-home .revisit__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  font-variant-numeric: tabular-nums;
  color: var(--gold-500);
  letter-spacing: .02em;
}

.page-home .revisit__wrap {
  filter: drop-shadow(0 16px 34px rgba(11, 27, 43, .5));
}

.page-home .revisit__bookmark {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 34px 22px 26px;
  background: var(--orange-500);
  color: #FFFFFF;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  transition: transform 220ms var(--ease);
}

.page-home .revisit__bookmark:hover,
.page-home .revisit__bookmark:focus-visible {
  transform: translateY(-4px);
}

.page-home .revisit__bookmark:focus-visible {
  outline: 2px solid var(--paper-000);
  outline-offset: 4px;
}

.page-home .revisit__bookmark-label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.35;
}

.page-home .revisit__bookmark-note {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: #FFE4DC;
}

.page-home .revisit__foot {
  margin: 18px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: #A9C4BF;
}

/* ---------- 更新对照 ---------- */
.page-home .updates__figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--mist-050);
}

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

.page-home .updates__figure .media__caption {
  padding: 12px 16px;
  background: var(--paper-000);
  border-top: 1px solid var(--line-200);
  font-size: var(--fs-12);
  color: var(--gray-500);
}

.page-home .timeline {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 6px 2px 18px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .timeline:focus-visible {
  outline: 2px solid var(--jade-600);
  outline-offset: 4px;
}

.page-home .timeline__item {
  position: relative;
  flex: 0 0 min(258px, 76vw);
  scroll-snap-align: start;
  padding: 18px 18px 18px 22px;
  background: var(--paper-000);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-s);
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 2px;
  background: var(--jade-600);
}

.page-home .timeline__item--now::before {
  background: var(--orange-500);
}

.page-home .timeline__time {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: var(--gold-500);
}

.page-home .timeline__label {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-16);
  color: var(--ink-900);
}

.page-home .timeline__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray-500);
}

.page-home .tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.page-home .tag-toggle {
  cursor: pointer;
  padding: 6px 14px;
  background: var(--paper-000);
  border: 1px solid var(--line-200);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--ink-700);
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-home .tag-toggle:hover {
  border-color: var(--jade-400);
  color: var(--jade-600);
}

.page-home .tag-toggle[aria-expanded="true"],
.page-home .tag-toggle.is-open {
  background: var(--mist-050);
  border-color: var(--jade-600);
  color: var(--jade-600);
}

.page-home .tag-note {
  flex-basis: 100%;
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--gray-500);
}

.page-home .updates__more {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

/* ---------- 服务范围 ---------- */
.page-home .audience__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home .audience__card {
  padding: 22px 20px;
  background: var(--mist-050);
  border-top: 3px solid var(--jade-600);
  border-radius: 0 0 var(--radius-s) var(--radius-s);
}

.page-home .audience__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-18);
  color: var(--ink-900);
}

.page-home .audience__card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.82;
  color: var(--ink-700);
}

.page-home .scope__map {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  align-items: center;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-200);
}

.page-home .scope__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-24);
  line-height: 1.4;
  color: var(--ink-900);
}

.page-home .scope__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 0;
}

.page-home .scope__figure {
  margin: 0;
  border: 1px solid var(--line-200);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--mist-050);
}

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

.page-home .scope__figure .media__caption {
  padding: 12px 16px;
  background: var(--paper-000);
  border-top: 1px solid var(--line-200);
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--gray-500);
}

/* ---------- 继续阅读 ---------- */
.page-home .next {
  padding-block: clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--line-200);
  background: var(--mist-050);
}

.page-home .next__links {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-200);
}

.page-home .next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 8px;
  border-bottom: 1px solid var(--line-200);
  text-decoration: none;
  color: var(--ink-900);
  transition: background 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-home .next__link:hover,
.page-home .next__link:focus-visible {
  background: var(--paper-000);
  padding-left: 16px;
}

.page-home .next__link:focus-visible {
  outline: 2px solid var(--jade-600);
  outline-offset: -2px;
}

.page-home .next__link-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-home .next__link-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-18);
  color: var(--ink-900);
}

.page-home .next__link-desc {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--gray-500);
}

.page-home .next__link-arrow {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  color: var(--jade-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .audience__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .next__links {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-home .cover__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-home .cover__masthead {
    padding-block: clamp(24px, 3vw, 40px);
  }

  .page-home .cover__lede {
    font-size: var(--fs-18);
  }

  .page-home .hub__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-home .revisit__inner {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }

  .page-home .scope__map {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

@media (min-width: 1024px) {
  .page-home .chapter-shell {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .page-home .chapter-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-home .toc {
    display: grid;
    gap: 10px;
    overflow: visible;
    padding-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cover__bookmark,
  .page-home .revisit__bookmark,
  .page-home .next__link,
  .page-home .toc__link,
  .page-home .tag-toggle {
    transition: none;
  }

  .page-home .cover__bookmark:hover,
  .page-home .revisit__bookmark:hover {
    transform: none;
  }
}