.page-home {
  --home-shadow: 8px 8px 0 #05070F;
  --home-shadow-sm: 4px 4px 0 #05070F;
}

.page-home [data-tone="novice"] { --tone: var(--novice); }
.page-home [data-tone="library"] { --tone: var(--library); }
.page-home [data-tone="export"] { --tone: var(--export); }
.page-home [data-tone="family"] { --tone: var(--family); }

.page-home a:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 页首上下文 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding-top: 20px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-home .home-context .mono {
  color: var(--cyan);
  letter-spacing: .08em;
}

/* ---------- 首屏 ---------- */
.page-home .hero-home {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 36px 0 64px;
}

.page-home .hero-home::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -18%;
  right: -34%;
  width: 128%;
  height: 108%;
  pointer-events: none;
  background:
    linear-gradient(150deg,
      rgba(47, 240, 220, .22) 0%,
      rgba(59, 123, 255, .12) 40%,
      rgba(255, 122, 51, .08) 66%,
      rgba(11, 16, 36, 0) 84%);
  clip-path: polygon(46% 0, 100% 0, 100% 100%, 0 100%);
}

.page-home .hero-home > .wrap {
  position: relative;
  z-index: 1;
}

.page-home .hero-home__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-home .hero-home__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 10.5vw, 94px);
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-home .hero-home__accent {
  color: var(--cyan);
}

.page-home .hero-home__lede {
  margin: 22px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .hero-home__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero-home__media {
  border: 2px solid var(--line-strong);
  box-shadow: var(--home-shadow);
}

/* ---------- 四张入口卡 ---------- */
.page-home .home-entries {
  margin-top: 48px;
}

.page-home .home-entries__head {
  margin-bottom: 8px;
}

.page-home .entry-deck {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-home .entry-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 18px;
  background: var(--panel);
  border: 2px solid var(--line-strong);
  border-top: 4px solid var(--tone, var(--cyan));
  border-radius: 0;
  box-shadow: var(--home-shadow-sm);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-home .entry-card .card__index {
  margin: 0;
  font-size: 32px;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--tone, var(--cyan));
}

.page-home .entry-card .tag {
  align-self: flex-start;
  transition: filter .2s var(--ease);
}

.page-home .entry-card .card__title {
  margin: 4px 0 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .entry-card .card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .entry-card__link {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  font-weight: 500;
  color: var(--tone, var(--cyan));
  text-decoration: none;
}

.page-home .entry-card__link::after {
  content: " →";
}

@media (hover: hover) {
  .page-home .entry-card:hover,
  .page-home .entry-card:focus-within {
    transform: translate(-4px, -4px);
    box-shadow: var(--home-shadow);
  }

  .page-home .entry-card:hover .tag,
  .page-home .entry-card:focus-within .tag {
    filter: brightness(1.18);
  }
}

/* ---------- 横向时间轴带 ---------- */
.page-home .home-timeline {
  padding: 56px 0 60px;
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 26px;
}

.page-home .filter-btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  padding: 9px 16px;
  background: transparent;
  color: var(--muted);
  border: 2px solid var(--line-strong);
  border-radius: 0;
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

@media (hover: hover) {
  .page-home .filter-btn:hover {
    color: var(--paper);
    border-color: var(--cyan);
  }
}

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

.page-home .timeline {
  list-style: none;
  margin: 0 0 0 8px;
  padding: 0;
  border-left: 2px solid var(--line);
}

.page-home .timeline__item {
  position: relative;
  padding: 16px 0 16px 26px;
  border-bottom: 1px solid var(--line);
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 24px;
  width: 16px;
  height: 16px;
  background: var(--ink);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: background-color .2s var(--ease);
}

.page-home .timeline__time {
  display: block;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-home .timeline__title {
  margin: 6px 0 4px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .timeline__hint {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .timeline__item:hover::before,
.page-home .timeline__item:focus-within::before {
  background: var(--cyan);
}

.page-home .timeline__item:hover .timeline__hint,
.page-home .timeline__item:focus-within .timeline__hint {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-home .home-timeline__media {
  margin-top: 34px;
}

.page-home .home-timeline__media .media {
  border: 2px solid var(--line-strong);
}

/* ---------- 资料库摘要 ---------- */
.page-home .home-library {
  padding: 64px 0;
}

.page-home .home-library__grid {
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-home .home-library__list {
  list-style: none;
  margin: 28px 0 30px;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-home .home-library__item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 4px 14px;
  padding-left: 16px;
  border-left: 4px solid var(--library);
}

.page-home .home-library__no {
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: .04em;
  color: var(--library);
}

.page-home .home-library__item-title {
  margin: 0 0 4px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .home-library__item-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .home-library__media {
  border: 2px solid var(--line-strong);
  box-shadow: var(--home-shadow-sm);
}

/* ---------- 双场景 ---------- */
.page-home .home-scenes {
  padding: 64px 0;
}

.page-home .home-scenes__grid {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-home .scene {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px;
  background: var(--panel);
  border: 2px solid var(--line-strong);
  border-top: 4px solid var(--tone, var(--cyan));
  border-radius: 0;
  box-shadow: var(--home-shadow-sm);
}

.page-home .scene .tag {
  align-self: flex-start;
}

.page-home .scene__title {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
  color: var(--paper);
}

.page-home .scene__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .scene__media {
  border: 2px solid var(--line-strong);
}

.page-home .scene__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .scene__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .scene__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 2px;
  background: var(--tone, var(--cyan));
}

.page-home .scene__list strong {
  color: var(--paper);
  font-weight: 600;
}

.page-home .scene .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 数据碎片 ---------- */
.page-home .home-stats {
  padding: 64px 0;
}

.page-home .home-stats__grid {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-home .home-stats__grid > li {
  border-bottom: 1px solid var(--line);
}

.page-home .home-stats__grid .kpi {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px;
}

.page-home .home-stats__grid .kpi__num {
  font-size: 27px;
  line-height: 1.15;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-home .home-stats__grid .kpi__label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .home-stats__grid > li:nth-child(1) .kpi__num { color: var(--cyan); }
.page-home .home-stats__grid > li:nth-child(2) .kpi__num { color: var(--library); }
.page-home .home-stats__grid > li:nth-child(3) .kpi__num { color: var(--orange); }
.page-home .home-stats__grid > li:nth-child(4) .kpi__num { color: var(--export); }
.page-home .home-stats__grid > li:nth-child(5) .kpi__num { color: var(--family); }
.page-home .home-stats__grid > li:nth-child(6) .kpi__num { color: var(--novice); }

.page-home .home-stats__note {
  margin: 24px 0 0;
  font-size: 14px;
}

.page-home .home-stats__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

/* ---------- 疑难与联系 ---------- */
.page-home .home-help {
  padding: 64px 0;
}

.page-home .home-help__grid {
  display: grid;
  gap: 26px;
  margin-top: 30px;
  align-items: start;
}

.page-home .home-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-help__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 22px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .home-help__list li:first-child {
  border-top: 1px solid var(--line);
}

.page-home .home-help__q {
  margin: 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
}

.page-home .home-help__list a {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  white-space: nowrap;
}

.page-home .home-help__contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px;
  background: var(--panel);
  border: 2px solid var(--line-strong);
  border-radius: 0;
  box-shadow: var(--home-shadow-sm);
}

.page-home .home-help__contact-title {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
  color: var(--paper);
}

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

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

.page-home .home-help__line .mono {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-home .home-help__line a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  word-break: break-all;
}

.page-home .home-help__contact .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-home .home-context {
    padding-top: 26px;
    font-size: 14px;
  }

  .page-home .entry-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .home-stats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hero-home {
    padding: 48px 0 76px;
  }

  .page-home .hero-home__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .9fr);
    gap: 44px;
  }

  .page-home .home-library__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 48px;
  }

  .page-home .home-scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-help__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-home .entry-deck {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }

  .page-home .entry-deck > li:nth-child(1) { margin-top: 0; }
  .page-home .entry-deck > li:nth-child(2) { margin-top: 32px; }
  .page-home .entry-deck > li:nth-child(3) { margin-top: 16px; }
  .page-home .entry-deck > li:nth-child(4) { margin-top: 48px; }

  .page-home .timeline {
    display: flex;
    margin-left: 0;
    border-left: 0;
    border-top: 2px solid var(--line);
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .page-home .timeline__item {
    flex: 0 0 min(320px, 74vw);
    padding: 26px 22px 22px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
    scroll-snap-align: start;
  }

  .page-home .timeline__item:last-child {
    border-right: 0;
  }

  .page-home .timeline__item::before {
    left: 0;
    top: -7px;
    width: 12px;
    height: 12px;
    transform: rotate(45deg);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition: none !important;
    animation: none !important;
  }

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