.page-home {
  --home-shadow: 8px 8px 0 var(--ink);
  --home-shadow-sm: 4px 4px 0 var(--ink);
  --home-shadow-xs: 3px 3px 0 var(--ink);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero__head {
  max-width: 880px;
  margin-top: clamp(16px, 3vw, 30px);
}
.page-home .home-hero__head .display-title {
  margin: 10px 0 16px;
  font-weight: 200;
  font-size: clamp(38px, 7.6vw, 84px);
  line-height: 1.03;
  letter-spacing: -0.02em;
}
.page-home .home-hero__head .lede {
  max-width: 620px;
  margin: 0;
  color: var(--slate);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.75;
}

/* ---------- 双入口 ---------- */
.page-home .home-entries {
  display: grid;
  gap: 26px;
  margin-top: clamp(30px, 5vw, 56px);
}
.page-home .entry {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--home-shadow);
  transition: transform 0.22s ease-out, box-shadow 0.22s ease-out;
}
.page-home .entry:hover,
.page-home .entry:focus-within {
  transform: translate(4px, 4px);
  box-shadow: var(--home-shadow-sm);
}
.page-home .entry--red::before {
  content: "";
  display: block;
  flex: none;
  height: 8px;
  background: var(--red);
}
.page-home .entry__media {
  margin: 0;
  overflow: hidden;
  background: var(--mist);
  border-bottom: var(--line);
}
.page-home .entry__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .entry--red .entry__media img {
  aspect-ratio: 3 / 2;
}
.page-home .entry--blue .entry__media {
  background: var(--ink);
}
.page-home .entry--blue .entry__media img {
  aspect-ratio: 16 / 7;
}
.page-home .entry__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
}
.page-home .entry__title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1.25;
}
.page-home .entry__text {
  margin: 0;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.75;
}
.page-home .entry__cta {
  margin-top: 6px;
}
.page-home .entry--blue {
  background: var(--navy);
  color: var(--on-ink-1);
}
.page-home .entry--blue .entry__title {
  color: var(--paper);
}
.page-home .entry--blue .entry__text {
  color: var(--on-ink-2);
}

/* ---------- 页内跳转 ---------- */
.page-home .home-index {
  margin-top: clamp(30px, 4vw, 48px);
  padding: 16px clamp(16px, 3vw, 26px) 18px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--home-shadow-sm);
}
.page-home .home-index__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}
.page-home .home-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .home-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 4px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.18s ease-out, color 0.18s ease-out;
}
.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  color: var(--red-700);
  border-bottom-color: var(--red);
}

/* ---------- 切换区 ---------- */
.page-home .switch-figure {
  margin: 0 0 clamp(26px, 4vw, 40px);
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--home-shadow);
}
.page-home .switch-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-home .switch-figure figcaption {
  padding: 12px 18px;
  border-top: var(--line);
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
}
.page-home .switch-grid {
  display: grid;
  gap: 30px;
}
.page-home .steps {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
.page-home .steps__item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 20px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--home-shadow-xs);
}
.page-home .steps__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 30px;
  bottom: -18px;
  height: 18px;
  border-left: 2px dashed var(--slate);
  opacity: 0.55;
}
.page-home .steps__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--red);
}
.page-home .steps__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
}
.page-home .steps__text {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.72;
}
.page-home .switch-panel {
  padding-top: 4px;
}
.page-home .switch-panel__lead {
  margin: 20px 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}
.page-home .switch-marks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-home .switch-marks li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  background: var(--blue-100);
  border-left: 4px solid var(--blue);
  font-size: 15px;
  line-height: 1.6;
  color: var(--navy);
}
.page-home .switch-marks .mono {
  flex: none;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--blue);
}

/* ---------- 更新轨道 ---------- */
.page-home .track-banner {
  margin: 0 0 clamp(22px, 3.5vw, 34px);
  overflow: hidden;
  border: var(--line);
  box-shadow: var(--home-shadow-sm);
}
.page-home .track-banner img {
  display: block;
  width: 100%;
  height: auto;
}
.page-home .track-wrap {
  position: relative;
}
.page-home .track {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 4px 4px 20px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.page-home .track:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 4px;
}
.page-home .track__item {
  flex: 0 0 clamp(238px, 74vw, 318px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--home-shadow-sm);
}
.page-home .track__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.page-home .track__round {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  background: var(--ink);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}
.page-home .track__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
}
.page-home .track__text {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.72;
}
.page-home .track-scale {
  height: 2px;
  margin-top: -10px;
  background: repeating-linear-gradient(90deg, var(--gold) 0 14px, transparent 14px 26px);
  opacity: 0.85;
}
.page-home .library-stats {
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink);
  border: var(--line);
  box-shadow: var(--home-shadow);
  color: var(--on-ink-1);
}
.page-home .library-stats__lead {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--on-ink-2);
}
.page-home .library-stats__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .library-stats__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 12px;
  border-top: 2px solid rgba(216, 162, 74, 0.55);
}
.page-home .library-stats__num {
  font-family: var(--mono);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
}
.page-home .library-stats__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--on-ink-3);
}

/* ---------- 适配面板 ---------- */
.page-home .fit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.page-home .fit-card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--home-shadow-xs);
}
.page-home .fit-card__size {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--slate);
}
.page-home .fit-bar {
  display: flex;
  align-items: flex-end;
  height: 76px;
  margin: 14px 0;
  border-bottom: 2px solid var(--ink);
}
.page-home .fit-bar span {
  display: block;
  height: 46px;
  background: linear-gradient(180deg, var(--blue-100), var(--paper));
  border: 2px solid var(--ink);
  border-bottom: 0;
  border-radius: 4px 4px 0 0;
}
.page-home .fit-card:nth-child(1) .fit-bar span { width: 30%; }
.page-home .fit-card:nth-child(2) .fit-bar span { width: 44%; height: 54px; }
.page-home .fit-card:nth-child(3) .fit-bar span { width: 64%; height: 60px; }
.page-home .fit-card:nth-child(4) .fit-bar span { width: 88%; height: 66px; }
.page-home .fit-card__state {
  position: relative;
  margin: 0 0 8px;
  padding-left: 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
}
.page-home .fit-card__state::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}
.page-home .fit-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--slate);
}
.page-home .fit-note {
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding-left: 16px;
  border-left: 4px solid var(--gold);
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 场景直达 ---------- */
.page-home .scene-grid {
  display: grid;
  gap: 18px;
}
.page-home .scene-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--home-shadow-sm);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, border-color 0.2s ease-out;
}
.page-home .scene-card:hover,
.page-home .scene-card:focus-visible {
  transform: translate(4px, 4px);
  box-shadow: none;
  border-color: var(--red);
}
.page-home .scene-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
}
.page-home .scene-card__text {
  margin: 0;
  flex: 1;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.72;
}
.page-home .scene-card__go {
  align-self: flex-start;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--red);
  font-size: 14px;
  font-weight: 600;
  color: var(--red-700);
}
.page-home .scene-card:hover .scene-card__go,
.page-home .scene-card:focus-visible .scene-card__go {
  border-bottom-color: var(--ink);
  color: var(--ink);
}

/* ---------- 页尾联系条 ---------- */
.page-home .home-contact {
  display: grid;
  gap: 24px;
  align-items: center;
}
.page-home .home-contact__body .section-title {
  margin: 10px 0 14px;
  color: var(--paper);
}
.page-home .home-contact__body .eyebrow {
  color: var(--gold);
}
.page-home .home-contact__text {
  max-width: 660px;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--on-ink-2);
}
.page-home .home-contact__cta {
  justify-self: start;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 620px) {
  .page-home .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .home-index__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-home .fit-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-entries {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.14fr);
    column-gap: 36px;
    align-items: start;
  }
  .page-home .entry--blue {
    margin-top: 48px;
  }
  .page-home .switch-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    column-gap: 44px;
    align-items: start;
  }
  .page-home .home-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 40px;
  }
  .page-home .home-contact__cta {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-home .track {
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entry,
  .page-home .scene-card,
  .page-home .home-index__link {
    transition: none;
  }
  .page-home .entry:hover,
  .page-home .entry:focus-within,
  .page-home .scene-card:hover,
  .page-home .scene-card:focus-visible {
    transform: none;
  }
}
</main>