.page-home {
  --home-rail-w: 176px;
  padding-bottom: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(1100px 520px at 12% -6%, rgba(47, 227, 214, 0.07), transparent 60%),
    radial-gradient(900px 480px at 96% 4%, rgba(255, 106, 61, 0.08), transparent 58%);
}

.page-home [data-reveal] {
  opacity: 1;
  transform: none;
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}

.page-home .breadcrumb {
  margin: 4px 0 22px;
  font-size: 13px;
}

.page-home__sep {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 首屏框景 ---------- */
.page-home .hero-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 48, 72, 0.86) 0%, rgba(6, 23, 38, 0.97) 74%);
  box-shadow: var(--shadow);
}

.page-home .hero-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(to right, var(--line-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-faint) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.6;
  pointer-events: none;
}

.page-home .hero-frame::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: 3;
  height: 8px;
  background-image: repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 22px);
  opacity: 0.85;
  pointer-events: none;
}

.page-home .hero-frame__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  pointer-events: none;
}

.page-home .hero-frame__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  padding: clamp(30px, 5vw, 60px) clamp(22px, 4.4vw, 56px) clamp(30px, 5vw, 56px);
}

.page-home .hero-lead__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .hero-lead h1 {
  margin: 14px 0 18px;
  max-width: 17em;
  font-size: clamp(28px, 4.6vw, 52px);
  line-height: 1.24;
  letter-spacing: 0.05em;
  font-weight: 800;
  color: var(--ink);
}

.page-home .hero-lead__sub {
  margin: 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .hero-lead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-home .hero-status {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 23, 38, 0.74);
  padding: 22px 22px 20px;
}

.page-home .hero-status__label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .hero-status__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .hero-status__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-home .hero-status__num {
  font-size: 26px;
  line-height: 1.1;
  color: var(--coral);
  letter-spacing: 0.02em;
}

.page-home .hero-status__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .hero-status__link {
  display: inline-block;
  margin-top: 20px;
  font-size: 14px;
  color: var(--coral-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 169, 138, 0.42);
  padding-bottom: 2px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-home .hero-status__link:hover,
.page-home .hero-status__link:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

@media (min-width: 920px) {
  .page-home .hero-frame__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: start;
  }
}

/* ---------- 外壳：左侧章节索引 + 右侧内容 ---------- */
.page-home .home-shell {
  margin-top: clamp(48px, 7vw, 88px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-home .home-rail {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(13, 36, 57, 0.55);
  padding: 12px 14px 8px;
}

.page-home .home-rail__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-home .home-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .home-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-home .home-rail__link:hover,
.page-home .home-rail__link:focus-visible {
  color: var(--ink);
  border-color: var(--coral-soft);
  background: rgba(255, 106, 61, 0.08);
}

.page-home .home-rail__num {
  font-size: 11px;
  color: var(--cyan);
}

@media (min-width: 1000px) {
  .page-home .home-shell {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-home .home-rail {
    position: sticky;
    top: 108px;
    align-self: start;
    border: 0;
    border-radius: 0;
    background: none;
    padding: 0;
  }

  .page-home .home-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0 0 0 18px;
    border-left: 1px solid var(--line);
  }

  .page-home .home-rail__link {
    position: relative;
    border: 0;
    border-radius: 0;
    background: none;
    padding: 9px 0;
    white-space: normal;
    font-size: 14px;
  }

  .page-home .home-rail__link::before {
    content: "";
    position: absolute;
    left: -23px;
    top: 50%;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--abyss);
    transform: translateY(-50%);
    transition: border-color 160ms var(--ease), background-color 160ms var(--ease), box-shadow 160ms var(--ease);
  }

  .page-home .home-rail__link:hover,
  .page-home .home-rail__link:focus-visible {
    background: none;
  }

  .page-home .home-rail__link:hover::before,
  .page-home .home-rail__link:focus-visible::before {
    border-color: var(--coral);
    background: var(--coral);
    box-shadow: 0 0 0 5px rgba(255, 106, 61, 0.16);
  }
}

/* ---------- 章节通用 ---------- */
.page-home .home-section {
  scroll-margin-top: 112px;
  padding-block: clamp(34px, 5vw, 60px);
  border-top: 1px solid var(--line-faint);
}

.page-home .home-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-home .section-lead {
  margin: 0 0 28px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .media-frame {
  margin: 30px 0 0;
}

.page-home .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-faint);
  object-fit: cover;
}

.page-home .media-frame__cap {
  margin-top: 10px;
  font-size: 13px;
  color: var(--mist);
}

/* ---------- NAV-01 入口卡片 ---------- */
.page-home .entry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-home .entry-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 24px;
  border-radius: var(--radius);
  background: var(--hull);
  border: 1px solid transparent;
  transition: transform 160ms var(--ease), background-color 160ms var(--ease),
    border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-home .entry-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 2px;
  border-radius: 2px;
  background: var(--coral);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 200ms var(--ease);
}

.page-home .entry-card:hover::before,
.page-home .entry-card:focus-within::before {
  transform: scaleY(1);
}

.page-home .entry-card:hover,
.page-home .entry-card:focus-within {
  transform: translateY(-2px);
  background: var(--raise);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.32);
}

.page-home .entry-card--outline {
  background: transparent;
  border-color: var(--line);
}

.page-home .entry-card--solid {
  background: linear-gradient(160deg, rgba(18, 48, 72, 0.96), rgba(13, 36, 57, 0.92));
  border-color: rgba(255, 106, 61, 0.28);
}

.page-home .entry-card--tagged {
  background: var(--hull);
  border-top: 2px solid var(--cyan);
}

.page-home .entry-card__index {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-home .entry-card__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  font-weight: 700;
  color: var(--ink);
}

.page-home .entry-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .entry-card__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
  font-size: 13px;
  color: var(--mist);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-home .entry-card .btn {
  margin-top: 8px;
  align-self: flex-start;
}

@media (min-width: 860px) {
  .page-home .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-home .entry-card:nth-child(1) { margin-top: 0; }
  .page-home .entry-card:nth-child(2) { margin-top: 40px; }
  .page-home .entry-card:nth-child(3) { margin-top: 16px; }
}

/* ---------- NAV-02 服务清单 ---------- */
.page-home .svc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .svc-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line-faint);
  background: rgba(13, 36, 57, 0.7);
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-home .svc-card:hover {
  border-color: var(--line);
  background: rgba(18, 48, 72, 0.78);
}

.page-home .svc-card:nth-child(3n + 2) {
  border-style: dashed;
  background: transparent;
}

.page-home .svc-card:nth-child(3n + 3) {
  background: var(--hull);
  border-color: var(--line);
}

.page-home .svc-card__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-home .svc-card__code {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-home .svc-card__title {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-home .svc-card__count {
  margin-left: auto;
  font-size: 12px;
  color: var(--coral-soft);
  letter-spacing: 0.06em;
}

.page-home .svc-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .svc-card__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.page-home .svc-card__tags li {
  font-size: 12.5px;
  line-height: 1.5;
  padding: 4px 9px;
  border-radius: 5px;
  color: var(--ink);
  background: rgba(47, 227, 214, 0.09);
  border: 1px solid rgba(47, 227, 214, 0.22);
}

.page-home .svc-card__for {
  margin: auto 0 0;
  padding-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .svc-card__for a {
  color: var(--coral-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 169, 138, 0.42);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-home .svc-card__for a:hover,
.page-home .svc-card__for a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

@media (min-width: 720px) {
  .page-home .svc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-home .svc-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- NAV-03 版本变更时间线 ---------- */
.page-home .tl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .tl-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-faint);
}

.page-home .tl-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.85;
}

.page-home .tl-list {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 26px;
  position: relative;
  display: grid;
  gap: 20px;
}

.page-home .tl-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--coral), var(--cyan) 55%, var(--line));
  opacity: 0.7;
}

.page-home .tl-item {
  position: relative;
}

.page-home .tl-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--line);
  background: var(--abyss);
}

.page-home .tl-item--a::before { border-color: var(--coral); background: var(--coral); }
.page-home .tl-item--b::before { border-color: var(--amber); background: var(--amber); }
.page-home .tl-item--c::before { border-color: var(--mint); background: var(--mint); }

.page-home .tl-body {
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-sm);
  background: rgba(13, 36, 57, 0.62);
  padding: 16px 18px;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-home .tl-body:hover {
  border-color: var(--line);
  background: rgba(18, 48, 72, 0.72);
}

.page-home .tl-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-home .tl-level {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 4px;
}

.page-home .tl-item--a .tl-level { color: var(--coral); background: rgba(255, 106, 61, 0.14); }
.page-home .tl-item--b .tl-level { color: var(--amber); background: rgba(255, 200, 87, 0.14); }
.page-home .tl-item--c .tl-level { color: var(--mint); background: rgba(75, 208, 139, 0.14); }

.page-home .tl-when {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .tl-body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-home .tl-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .tl-foot {
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 56ch;
}

@media (min-width: 1024px) {
  .page-home .tl-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-home .tl-figure {
    position: sticky;
    top: 112px;
  }
}

/* ---------- NAV-04 收藏与提醒 ---------- */
.page-home .fav-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-home .fav-stat {
  padding: 26px 24px;
  border-radius: var(--radius);
  border-color: rgba(255, 106, 61, 0.3);
  background: linear-gradient(160deg, rgba(255, 106, 61, 0.16), rgba(13, 36, 57, 0.92) 68%);
}

.page-home .fav-stat__num {
  display: block;
  font-size: clamp(48px, 8vw, 76px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-home .fav-stat p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .fav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-faint);
}

.page-home .fav-list li {
  display: grid;
  gap: 6px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--line-faint);
}

.page-home .fav-list h3 {
  margin: 0;
  font-size: 17px;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-home .fav-list h3::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--cyan);
  vertical-align: middle;
}

.page-home .fav-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .fav-cta {
  margin: 26px 0 0;
}

@media (min-width: 880px) {
  .page-home .fav-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }
}

/* ---------- NAV-05 信任与收束 ---------- */
.page-home .trust-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .trust-cell {
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line-faint);
  background: rgba(13, 36, 57, 0.6);
}

.page-home .trust-cell:nth-child(1) {
  background: linear-gradient(160deg, rgba(255, 106, 61, 0.16), rgba(13, 36, 57, 0.72));
  border-color: rgba(255, 106, 61, 0.34);
}

.page-home .trust-cell:nth-child(3) {
  border-style: dashed;
  background: transparent;
}

.page-home .trust-num {
  display: block;
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-home .trust-num small {
  margin-left: 5px;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .trust-cell p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .trust-foot {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .home-cta {
  margin-top: 32px;
  display: grid;
  gap: 18px;
  align-items: center;
  padding: 24px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(18, 48, 72, 0.92), rgba(6, 23, 38, 0.92));
}

.page-home .home-cta h3 {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-home .home-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .home-cta .btn {
  justify-self: start;
}

@media (min-width: 640px) {
  .page-home .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-home .home-cta {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-home .home-cta .btn {
    justify-self: end;
  }
}

@media (min-width: 1080px) {
  .page-home .trust-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }

  .page-home .entry-card:hover,
  .page-home .entry-card:focus-within {
    transform: none;
  }

  .page-home .entry-card::before {
    transform: scaleY(1);
  }
}