.page-home {
  background: var(--ink-900);
  color: var(--cream);
  overflow-x: clip;
}

.page-home .home-wrap {
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0;
}

.page-home p {
  margin: 0;
}

.page-home section[id] {
  scroll-margin-top: calc(var(--header-space) + 24px);
}

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-home .eyebrow::before {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  background: currentColor;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  z-index: 0;
  padding: calc(var(--header-space) + 28px) 20px 68px;
  background:
    radial-gradient(88% 76% at 88% 4%, rgba(18, 48, 74, 0.95) 0%, rgba(11, 27, 43, 0) 62%),
    var(--ink-900);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: -34px;
  height: 150px;
  z-index: 0;
  background: linear-gradient(96deg, rgba(201, 145, 63, 0.22), rgba(169, 80, 63, 0.16) 70%);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 38px;
}

.page-home .hero-copy {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-home .hero-copy h1 {
  font-size: clamp(2.1rem, 6.4vw, 3.65rem);
  text-wrap: balance;
}

.page-home .hero-lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 52ch;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-home .hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.page-home .hero-cta__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  transition: transform 0.18s var(--ease);
}

.page-home .hero-cta:hover .hero-cta__num,
.page-home .hero-cta:focus-visible .hero-cta__num {
  transform: translateX(4px);
}

.page-home .hero-stats {
  list-style: none;
  margin: 6px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.page-home .hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-home .stat-num {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

.page-home .stat-label {
  font-size: 12px;
  color: var(--teal);
}

.page-home .hero-visual {
  margin: 0;
  min-width: 0;
}

.page-home .hero-visual__frame {
  overflow: hidden;
  clip-path: polygon(0 7%, 100% 0, 100% 93%, 0 100%);
  background: var(--ink-700);
}

.page-home .hero-visual__frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
}

.page-home .hero-visual figcaption {
  margin-top: 16px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--teal);
}

/* ---------- 主体框架 ---------- */
.page-home .home-body {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 8px 20px 84px;
  display: grid;
  gap: 34px;
}

.page-home .home-flow {
  display: grid;
  gap: 56px;
  min-width: 0;
}

.page-home .home-block {
  display: grid;
  gap: 28px;
  min-width: 0;
}

.page-home .block-head {
  display: grid;
  gap: 12px;
  max-width: 60ch;
}

.page-home .block-head h2 {
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  text-wrap: balance;
}

.page-home .block-lead {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--teal);
}

.page-home .k8-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-soft);
  margin: 0;
}

.page-home .text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .text-link::after {
  content: "→";
  font-family: var(--font-mono);
  transition: transform 0.18s var(--ease);
}

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

.page-home .text-link:hover::after,
.page-home .text-link:focus-visible::after {
  transform: translateX(4px);
}

/* ---------- 章节轨道 ---------- */
.page-home .toc-rail {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  min-width: 0;
}

.page-home .toc-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-home .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .toc-list::-webkit-scrollbar {
  display: none;
}

.page-home .toc-link {
  display: block;
  white-space: nowrap;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--teal);
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .toc-link:hover,
.page-home .toc-link:focus-visible {
  color: var(--gold-soft);
  border-color: var(--line-strong);
}

.page-home .toc-link[aria-current="true"] {
  color: var(--ink-900);
  background: var(--gold);
  border-color: var(--gold);
}

/* ---------- 两条主线 ---------- */
.page-home .path-cards {
  display: grid;
  gap: 18px;
}

.page-home .path-card {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 24px 20px 26px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: 2px 14px 2px 14px;
  box-shadow: 0 20px 44px -32px rgba(0, 0, 0, 0.95);
}

.page-home .path-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 46px;
  height: 3px;
  background: var(--gold);
}

.page-home .path-card--mob::after {
  background: var(--brick);
}

.page-home .path-card h3 {
  font-size: 1.2rem;
}

.page-home .path-card p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .wide-figure {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-home .wide-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
  filter: saturate(0.78);
}

.page-home .wide-figure figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--teal);
  text-align: right;
}

/* ---------- 访客分类（浅底档案区） ---------- */
.page-home .home-block--paper {
  background: var(--paper);
  color: var(--charcoal);
  padding: 30px 20px 44px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 0 100%);
}

.page-home .home-block--paper .eyebrow {
  color: var(--brick);
}

.page-home .home-block--paper .block-lead {
  color: var(--charcoal);
  opacity: 0.78;
}

.page-home .home-block--paper .text-link {
  color: var(--ink-900);
  border-color: rgba(11, 27, 43, 0.32);
}

.page-home .home-block--paper .text-link:hover,
.page-home .home-block--paper .text-link:focus-visible {
  color: var(--brick);
  border-color: var(--brick);
}

.page-home .visitor-grid {
  display: grid;
  gap: 26px;
  margin-top: 24px;
}

.page-home .visitor-stack {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-home .visitor-card {
  display: grid;
  gap: 10px;
  padding: 20px 18px 22px;
  background: var(--cream);
  border: 1px solid rgba(11, 27, 43, 0.12);
  border-left: 3px solid var(--gold);
}

.page-home .visitor-stack .visitor-card:nth-child(2) {
  border-left-color: var(--brick);
}

.page-home .visitor-stack .visitor-card:nth-child(3) {
  border-left-color: var(--teal);
}

.page-home .visitor-card h3 {
  font-size: 1.12rem;
}

.page-home .visitor-card p {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--charcoal);
}

.page-home .visitor-tag {
  width: fit-content;
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--gold-soft);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
}

.page-home .visitor-figure {
  margin: 0;
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-home .visitor-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
  filter: saturate(0.85);
}

.page-home .visitor-figure figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--charcoal);
  opacity: 0.72;
}

/* ---------- 三处深度入口 ---------- */
.page-home .depth-head {
  display: grid;
  gap: 26px;
}

.page-home .depth-figure {
  margin: 0;
  min-width: 0;
}

.page-home .depth-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(0.7) contrast(1.05);
}

.page-home .depth-panel {
  display: grid;
  gap: 20px;
}

.page-home .depth-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 7px 14px;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-home .filter-btn:hover,
.page-home .filter-btn:focus-visible {
  color: var(--gold-soft);
  border-color: var(--line-strong);
}

.page-home .filter-btn[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
}

.page-home .filter-count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-home .depth-cards {
  display: grid;
  gap: 16px;
}

.page-home .depth-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px 24px;
  background: linear-gradient(158deg, rgba(18, 48, 74, 0.96), rgba(11, 27, 43, 0.98));
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--cream);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-home .depth-card:hover,
.page-home .depth-card:focus-visible {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-home .depth-card h3 {
  font-size: 1.1rem;
}

.page-home .depth-card p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .depth-card__go {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-home .filter-item[hidden] {
  display: none;
}

/* ---------- 最近改动 ---------- */
.page-home .home-block--ink {
  background: var(--ink-700);
  border-left: 3px solid var(--gold);
  padding: 28px 20px 30px;
}

.page-home .change-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-home .change-item {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 0 18px 20px;
  border-left: 1px solid var(--line);
}

.page-home .change-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 26px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 145, 63, 0.16);
}

.page-home .change-when {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-home .change-body h3 {
  font-size: 1.05rem;
}

.page-home .change-body p {
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .change-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-home .change-foot p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal);
}

.page-home .change-foot p a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-home .change-foot p a:hover,
.page-home .change-foot p a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 收尾条 ---------- */
.page-home .home-strip {
  display: grid;
  gap: 14px;
  padding: 26px 20px;
  background: linear-gradient(100deg, rgba(201, 145, 63, 0.18), rgba(169, 80, 63, 0.14));
  border: 1px solid var(--line);
}

.page-home .strip-quote {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--cream);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .visitor-stack .visitor-card:nth-child(2) {
    margin-left: 7%;
  }

  .page-home .visitor-stack .visitor-card:nth-child(3) {
    margin-left: 3.5%;
  }
}

@media (min-width: 780px) {
  .page-home .path-cards {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-home .path-card--mob {
    margin-top: 44px;
  }

  .page-home .home-strip {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px 24px;
  }

  .page-home .change-item {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 4px 20px;
    padding-left: 24px;
  }

  .page-home .change-when {
    text-align: right;
    padding-top: 3px;
  }
}

@media (min-width: 820px) {
  .page-home .depth-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-home .viewer-grid,
  .page-home .visitor-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 34px;
    align-items: start;
  }

  .page-home .depth-head {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 36px;
    align-items: end;
  }

  .page-home .home-block--paper {
    padding: 36px 28px 52px;
  }

  .page-home .home-block--ink {
    padding: 34px 28px 36px;
  }

  .page-home .home-strip {
    padding: 30px 28px;
  }
}

@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 56px;
    align-items: center;
  }

  .page-home .home-hero {
    padding: calc(var(--header-space) + 44px) 28px 92px;
  }
}

@media (min-width: 1040px) {
  .page-home .home-body {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 52px;
    padding: 12px 28px 110px;
    align-items: start;
  }

  .page-home .toc-rail {
    position: sticky;
    top: calc(var(--header-space) + 18px);
    border-top: 0;
    padding-top: 4px;
  }

  .page-home .toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-home .toc-link {
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: none;
    white-space: normal;
    padding: 9px 0 9px 14px;
    line-height: 1.5;
  }

  .page-home .toc-link[aria-current="true"] {
    color: var(--gold-soft);
    background: linear-gradient(90deg, rgba(201, 145, 63, 0.18), rgba(201, 145, 63, 0) 78%);
    border-left-color: var(--gold);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-cta__num,
  .page-home .text-link::after,
  .page-home .depth-card {
    transition: none;
  }

  .page-home .depth-card:hover,
  .page-home .depth-card:focus-visible {
    transform: none;
  }
}