.page-home {
  --home-max: 1160px;
  --home-hair: rgba(76, 81, 76, 0.18);
  background: var(--paper);
  color: var(--ink);
}

.page-home section[id] {
  scroll-margin-top: 84px;
}

.page-home img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: 28px 0 52px;
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 38%;
  opacity: 0.32;
}

.page-home .home-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(35, 40, 37, 0.97) 0%, rgba(35, 40, 37, 0.92) 46%, rgba(35, 40, 37, 0.58) 100%),
    linear-gradient(148deg, transparent 0 62%, var(--accent-tint) 62% 100%),
    linear-gradient(206deg, transparent 0 76%, rgba(94, 147, 170, 0.22) 76% 100%);
}

.page-home .home-hero__inner {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-home .home-hero__rail {
  border-top: 1px solid rgba(247, 242, 232, 0.24);
  padding-top: 14px;
}

.page-home .home-hero__rail .eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(247, 242, 232, 0.6);
}

.page-home .home-rail {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .home-rail a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0 9px 12px;
  border-left: 1px solid rgba(247, 242, 232, 0.2);
  color: rgba(247, 242, 232, 0.82);
  text-decoration: none;
  font-size: 14px;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-home .home-rail a .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(247, 242, 232, 0.5);
}

.page-home .home-rail a:hover,
.page-home .home-rail a:focus-visible {
  border-left-color: var(--accent-soft);
  color: var(--paper);
  transform: translateX(4px);
}

.page-home .home-hero__kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(247, 242, 232, 0.58);
}

.page-home .home-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 7.6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 15em;
}

.page-home .home-hero__lead {
  margin: 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(247, 242, 232, 0.84);
}

.page-home .home-hero .season-switcher {
  margin-top: 26px;
}

.page-home .home-hero .season-switcher__label {
  color: rgba(247, 242, 232, 0.66);
  font-size: 11px;
  letter-spacing: 0.14em;
}

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

/* ---------- 通用章节头 ---------- */

.page-home .section-head {
  margin-bottom: 32px;
  max-width: 44em;
}

.page-home .section-head .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
}

.page-home .section-head__title {
  margin: 10px 0 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 4.4vw, 33px);
  line-height: 1.3;
}

.page-home .section-head__note {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--rock);
}

/* ---------- 快速访问 ---------- */

.page-home .home-access {
  padding: 60px 0 54px;
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-home .access-grid {
  display: grid;
  gap: 14px;
}

.page-home .access-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

.page-home .access-card::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

.page-home .access-card:hover,
.page-home .access-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.page-home .access-card:hover::after,
.page-home .access-card:focus-visible::after {
  transform: scaleX(1);
}

.page-home .access-card__num {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
}

.page-home .access-card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
}

.page-home .access-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--rock);
}

.page-home .access-card__go {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent-deep);
}

/* ---------- 四季长卷 ---------- */

.page-home .home-seasons {
  padding: 60px 0 34px;
  background: var(--frost);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-seasons__figure {
  margin: 0 0 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.page-home .home-seasons__figure .figure__media {
  overflow: hidden;
}

.page-home .home-seasons__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-home .home-seasons__figure .figure__caption {
  padding: 12px 18px 14px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--rock);
}

.page-home .season-scroll {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px max(20px, calc((100% - var(--home-max)) / 2)) 30px;
  scrollbar-width: thin;
  scrollbar-color: var(--rock) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-home .season-scroll::-webkit-scrollbar {
  height: 6px;
}

.page-home .season-scroll::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: var(--radius-pill);
}

.page-home .season-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.page-home .season-card {
  --season-tone: var(--accent);
  --season-tint: var(--accent-tint);
  flex: 0 0 84%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--season-tone);
  border-radius: var(--radius-md);
}

.page-home .season-card--spring {
  --season-tone: var(--moss);
  --season-tint: rgba(111, 139, 106, 0.3);
}

.page-home .season-card--summer {
  --season-tone: var(--lake);
  --season-tint: rgba(94, 147, 170, 0.3);
}

.page-home .season-card--autumn {
  --season-tone: var(--clay);
  --season-tint: rgba(180, 104, 72, 0.3);
}

.page-home .season-card--winter {
  --season-tone: var(--indigo);
  --season-tint: rgba(46, 58, 85, 0.26);
}

.page-home .season-card__label {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--season-tone);
}

.page-home .season-card__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.2;
}

.page-home .season-card__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .season-card__list li {
  padding-left: 12px;
  border-left: 2px solid var(--season-tint);
  font-size: 14px;
  line-height: 1.6;
  color: var(--rock);
}

.page-home .season-card__list .mono {
  display: block;
  margin-bottom: 2px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--season-tone);
}

.page-home .season-card__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--season-tone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-home .season-card__link:hover,
.page-home .season-card__link:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 家庭版下载 ---------- */

.page-home .home-download {
  padding: 60px 0;
  background: var(--paper);
}

.page-home .home-download__panel {
  display: grid;
  gap: 28px;
  padding: 26px 20px;
  background: var(--frost);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-home .home-download__copy .eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
}

.page-home .home-download__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 4.4vw, 32px);
  line-height: 1.3;
}

.page-home .home-download__text {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--rock);
}

.page-home .home-download__specs {
  list-style: none;
  margin: 22px 0 16px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .home-download__specs li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  color: var(--ink);
}

.page-home .home-download__specs .mono {
  min-width: 84px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
}

.page-home .home-download__meta {
  margin: 0 0 22px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--rock);
  line-height: 1.9;
}

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

.page-home .home-download__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-home .home-download__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .home-download__figure .figure__caption {
  padding: 12px 16px 14px;
  font-size: 12.5px;
  color: var(--rock);
}

/* ---------- 索引与更新 ---------- */

.page-home .home-updates {
  padding: 58px 0 62px;
  background: var(--paper);
  border-top: 1px solid var(--line-soft);
}

.page-home .home-updates__grid {
  display: grid;
  gap: 32px;
}

.page-home .home-index-card {
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
}

.page-home .home-index-card__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
}

.page-home .home-index-card__text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--rock);
}

.page-home .home-index-card__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-home .home-index-card__link:hover,
.page-home .home-index-card__link:focus-visible {
  border-bottom-color: currentColor;
}

.page-home .home-updates__timeline {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-home .home-updates__timeline li {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 14px 0 14px 20px;
  border-left: 1px solid var(--line);
}

.page-home .home-updates__timeline li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 21px;
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  background: var(--paper);
  border: 2px solid var(--accent);
}

.page-home .home-updates__tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
}

.page-home .home-updates__timeline p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .home-updates__timeline a {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--rock);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  justify-self: start;
}

.page-home .home-updates__timeline a:hover,
.page-home .home-updates__timeline a:focus-visible {
  color: var(--accent-deep);
  border-bottom-color: var(--accent);
}

.page-home .home-updates__foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--rock);
  max-width: 34em;
}

.page-home .home-updates__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.page-home .home-updates__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .home-updates__figure .figure__caption {
  padding: 12px 16px 14px;
  font-size: 12.5px;
  color: var(--rock);
}

/* ---------- 信任条 ---------- */

.page-home .home-trust {
  padding: 54px 0 60px;
  background: var(--indigo);
  color: var(--frost);
}

.page-home .home-trust__eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(233, 239, 236, 0.6);
}

.page-home .home-trust__title {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 4.4vw, 32px);
  line-height: 1.32;
}

.page-home .home-trust__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
  margin: 28px 0 0;
  padding: 0;
}

.page-home .home-trust__stats div {
  padding-top: 12px;
  border-top: 1px solid rgba(233, 239, 236, 0.26);
}

.page-home .home-trust__stats dt {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: rgba(233, 239, 236, 0.66);
}

.page-home .home-trust__stats dd {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 5.2vw, 34px);
  line-height: 1.1;
}

.page-home .home-trust__note {
  margin: 26px 0 0;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(233, 239, 236, 0.82);
}

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

.page-home .home-trust__btn.btn--ghost {
  color: var(--frost);
  border-color: rgba(233, 239, 236, 0.45);
}

.page-home .home-trust__btn.btn--ghost:hover,
.page-home .home-trust__btn.btn--ghost:focus-visible {
  border-color: var(--frost);
  color: var(--paper);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-home .home-hero {
    padding: 40px 0 68px;
  }

  .page-home .access-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .access-card--wide {
    grid-column: span 2;
  }

  .page-home .season-card {
    flex-basis: 46%;
  }

  .page-home .home-download__panel {
    padding: 34px 28px;
  }

  .page-home .home-trust__stats {
    gap: 24px 28px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding: 56px 0 84px;
  }

  .page-home .home-hero__inner {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-home .home-access {
    padding: 92px 0 80px;
  }

  .page-home .home-seasons {
    padding-top: 92px;
  }

  .page-home .home-download {
    padding: 92px 0;
  }

  .page-home .home-download__panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
    gap: 44px;
    padding: 44px 40px;
  }

  .page-home .home-updates {
    padding: 88px 0 92px;
  }

  .page-home .home-updates__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }

  .page-home .home-trust {
    padding: 78px 0 84px;
  }

  .page-home .home-trust__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 34px;
  }
}

@media (min-width: 1080px) {
  .page-home .season-card {
    flex-basis: 30.4%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .access-card,
  .page-home .access-card::after,
  .page-home .home-rail a {
    transition: none;
  }

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

  .page-home .home-rail a:hover,
  .page-home .home-rail a:focus-visible {
    transform: none;
  }
}