.page-home {
  --home-hair: rgba(11, 11, 12, .14);
  --home-gold-line: rgba(233, 185, 73, .32);
  --home-gold-line-soft: rgba(233, 185, 73, .18);
  --home-paper-70: rgba(246, 241, 230, .72);
  --home-paper-55: rgba(246, 241, 230, .58);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: 2.4rem 0 2.8rem;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -34%;
  right: -22%;
  width: min(86vw, 780px);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(233, 185, 73, .32), rgba(200, 16, 46, .16) 46%, transparent 72%);
  pointer-events: none;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.page-home .hero__eyebrow {
  margin: 0;
  font-family: var(--font-sans);
  font-size: .74rem;
  letter-spacing: .26em;
  color: var(--gold);
}

.page-home .hero__title {
  margin: 1rem 0 1.7rem;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2.5rem, 10.4vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -.02em;
}

.page-home .hero__title span {
  display: block;
}

.page-home .hero__title-accent {
  color: var(--gold);
}

.page-home .hero__split {
  display: grid;
  gap: 1.9rem;
}

.page-home .hero__lede {
  margin: 0 0 1.5rem;
  max-width: 42ch;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--home-paper-70);
}

.page-home .hero__program {
  list-style: none;
  margin: 0 0 1.7rem;
  padding: 0;
  border-top: 1px solid var(--home-gold-line);
}

.page-home .hero__program li {
  display: flex;
  flex-wrap: wrap;
  gap: .2rem .9rem;
  justify-content: space-between;
  align-items: baseline;
  padding: .62rem 0;
  border-bottom: 1px solid var(--home-gold-line-soft);
  font-size: .88rem;
}

.page-home .hero__program-key {
  color: var(--copper);
  letter-spacing: .06em;
}

.page-home .hero__program-val {
  font-family: var(--font-num);
  font-size: 1rem;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-home .hero__figure {
  margin: 0;
  position: relative;
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(233, 185, 73, .45);
  filter: saturate(.88) contrast(1.06) brightness(.9);
}

.page-home .hero__caption {
  margin-top: .7rem;
  font-size: .78rem;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--home-paper-55);
}

/* ---------- 章节节奏 ---------- */
.page-home .section {
  padding: 3.4rem 0;
}

.page-home .section-head {
  display: grid;
  gap: .55rem;
  margin-bottom: 2.1rem;
}

.page-home .section-head__index {
  font-family: var(--font-num);
  font-size: .78rem;
  letter-spacing: .26em;
  color: var(--copper);
}

.page-home .section-head__index::after {
  content: "";
  display: block;
  width: 46px;
  height: 1px;
  margin-top: .5rem;
  background: var(--gold);
}

.page-home .section-head__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.65rem, 5.6vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-home .section-head__note {
  margin: 0;
  max-width: 48ch;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-home .section--green .section-head__title,
.page-home .section--ink .section-head__title {
  color: var(--paper);
}

.page-home .section--green .section-head__note,
.page-home .section--ink .section-head__note {
  color: var(--home-paper-70);
}

.page-home .section__foot {
  margin: 2.1rem 0 0;
}

/* ---------- 双入口 ---------- */
.page-home .fork {
  display: grid;
  gap: 2rem;
}

.page-home .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  margin-bottom: 1.4rem;
  border-bottom: 1px solid var(--home-hair);
}

.page-home .tabs__tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: .7rem .95rem;
  font-family: var(--font-sans);
  font-size: .93rem;
  font-weight: 600;
  color: var(--stone);
  cursor: pointer;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-home .tabs__tab:hover {
  color: var(--ink);
}

.page-home .tabs__tab[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--red);
}

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

.page-home .fork__panel {
  outline: none;
}

.page-home .fork__lead {
  margin: 0 0 1.2rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .fork__list {
  margin: 0;
  border-top: 1px solid var(--home-hair);
}

.page-home .fork__row {
  display: grid;
  gap: .25rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--home-hair);
}

.page-home .fork__row dt {
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--copper);
}

.page-home .fork__row dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-home .fork__go {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1.6rem;
  margin: 1.4rem 0 0;
}

.page-home .fork__link {
  font-size: .9rem;
  font-weight: 600;
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, .4);
  padding-bottom: 2px;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-home .fork__link:hover {
  color: var(--curtain);
  border-bottom-color: var(--curtain);
}

.page-home .fork__aside {
  display: grid;
  gap: 1.2rem;
  align-content: start;
}

.page-home .fork__figure {
  margin: 0;
}

.page-home .fork__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--home-hair);
}

/* ---------- 年表 ---------- */
.page-home .ledger__scale {
  margin: 0 0 1.5rem;
}

.page-home .ledger__scale svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .ledger {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.3rem;
}

.page-home .ledger__item {
  padding-left: 1rem;
  border-left: 2px solid var(--copper);
  outline: none;
}

.page-home .ledger__item:focus-visible {
  border-left-color: var(--gold);
}

.page-home .ledger__vol {
  display: block;
  font-family: var(--font-num);
  font-size: .76rem;
  letter-spacing: .2em;
  color: rgba(233, 185, 73, .78);
}

.page-home .ledger__year {
  display: block;
  font-family: var(--font-num);
  font-size: 1.7rem;
  line-height: 1.2;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-home .ledger__head {
  margin: .3rem 0 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .ledger__detail {
  margin: .35rem 0 0;
  font-size: .82rem;
  line-height: 1.72;
  color: var(--home-paper-55);
}

/* ---------- 档位 ---------- */
.page-home .tiers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--home-hair);
  border: 1px solid var(--home-hair);
}

.page-home .tier {
  position: relative;
  background: var(--paper);
  padding: 1.5rem 1.2rem 1.4rem;
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-home .tier::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: background .24s var(--ease);
}

.page-home .tier:hover {
  transform: translateY(-2px);
  background: #FBF7EE;
}

.page-home .tier:hover::before {
  background: var(--gold);
}

.page-home .tier__num {
  display: block;
  font-family: var(--font-num);
  font-size: 2.3rem;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  transition: color .24s var(--ease);
}

.page-home .tier:hover .tier__num {
  color: var(--red);
}

.page-home .tier__name {
  margin: .8rem 0 .5rem;
  font-family: var(--font-serif);
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: .01em;
}

.page-home .tier__fit {
  margin: 0 0 1rem;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-home .tier__spec {
  margin: 0;
  border-top: 1px solid var(--home-hair);
}

.page-home .tier__spec div {
  display: grid;
  gap: .1rem;
  padding: .55rem 0;
  border-bottom: 1px dotted var(--home-hair);
}

.page-home .tier__spec dt {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--copper);
}

.page-home .tier__spec dd {
  margin: 0;
  font-size: .84rem;
  line-height: 1.65;
  color: var(--ink);
}

/* ---------- 五步流程 ---------- */
.page-home .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.page-home .flow__step {
  position: relative;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(11, 11, 12, .2);
}

.page-home .flow__idx {
  position: absolute;
  top: -.72rem;
  left: 0;
  padding-right: .5rem;
  background: var(--gold-wash);
  font-family: var(--font-num);
  font-size: .82rem;
  letter-spacing: .2em;
  color: var(--curtain);
}

.page-home .flow__title {
  margin: 0 0 .45rem;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 800;
}

.page-home .flow__text {
  margin: 0 0 .7rem;
  font-size: .86rem;
  line-height: 1.78;
  color: var(--stone);
}

.page-home .flow__time {
  display: inline-block;
  padding-top: .35rem;
  border-top: 1px dotted var(--copper);
  font-family: var(--font-num);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--copper);
}

/* ---------- 两季发布 ---------- */
.page-home .seasons {
  display: grid;
  gap: 2rem;
}

.page-home .seasons__figure {
  margin: 0;
}

.page-home .seasons__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--home-hair);
}

.page-home .seasons__body {
  display: grid;
  gap: 1.6rem;
  align-content: start;
}

.page-home .season {
  padding-top: 1rem;
  border-top: 2px solid var(--copper);
}

.page-home .season--autumn {
  border-top-color: var(--red);
}

.page-home .season__count {
  margin: .8rem 0 .5rem;
  font-size: .88rem;
  color: var(--stone);
}

.page-home .season__count .num {
  margin-right: .4rem;
  font-family: var(--font-num);
  font-size: 2.1rem;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.page-home .season__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-home .seasons__note {
  margin: 0;
  padding: .9rem 0 0;
  border-top: 1px dotted var(--home-hair);
  font-size: .84rem;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 团队 ---------- */
.page-home .crew {
  display: grid;
  gap: 2.4rem;
}

.page-home .crew__side {
  display: grid;
  gap: .9rem;
  align-content: start;
}

.page-home .crew__side .stat__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(3.2rem, 12vw, 4.6rem);
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-home .crew__side .stat__label {
  display: block;
  margin-top: .35rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .crew__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.82;
  color: var(--home-paper-70);
}

.page-home .crew__link {
  justify-self: start;
  margin-top: .3rem;
  font-size: .88rem;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 185, 73, .55);
  padding-bottom: 2px;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-home .crew__link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

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

.page-home .crew__list li {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: .15rem .8rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--home-gold-line-soft);
}

.page-home .crew__idx {
  font-family: var(--font-num);
  font-size: 1rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-home .crew__list h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .crew__list p {
  grid-column: 2;
  margin: .3rem 0 0;
  font-size: .85rem;
  line-height: 1.78;
  color: var(--home-paper-70);
}

/* ---------- 三条路径 ---------- */
.page-home .paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.7rem;
}

.page-home .path {
  padding-top: 1.1rem;
  border-top: 2px solid var(--ink);
  transition: transform .24s var(--ease);
}

.page-home .path:hover {
  transform: translateY(-2px);
}

.page-home .path__idx {
  display: block;
  font-family: var(--font-num);
  font-size: 2.1rem;
  line-height: 1;
  color: var(--copper);
  font-variant-numeric: tabular-nums;
  transition: color .24s var(--ease);
}

.page-home .path:hover .path__idx {
  color: var(--red);
}

.page-home .path__title {
  margin: .8rem 0 .5rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
}

.page-home .path__text {
  margin: 0 0 1rem;
  font-size: .87rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-home .path__link {
  font-size: .9rem;
  font-weight: 600;
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, .4);
  padding-bottom: 2px;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-home .path__link:hover {
  color: var(--curtain);
  border-bottom-color: var(--curtain);
}

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

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

  .page-home .seasons__note {
    grid-column: 1 / -1;
  }

  .page-home .hero__program li {
    font-size: .92rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home .hero {
    padding: 3.6rem 0 4rem;
  }

  .page-home .hero__split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 3rem;
    align-items: end;
  }

  .page-home .section {
    padding: 5.4rem 0;
  }

  .page-home .section-head {
    margin-bottom: 2.8rem;
  }

  .page-home .fork {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3rem;
    align-items: start;
  }

  .page-home .fork__row {
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }

  .page-home .fork__row dt {
    letter-spacing: .1em;
  }

  .page-home .ledger {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0;
  }

  .page-home .ledger__item {
    border-left: 1px solid var(--home-gold-line);
    padding: 0 1.1rem;
  }

  .page-home .ledger__item:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-home .ledger__item:last-child {
    padding-right: 0;
  }

  .page-home .ledger__detail {
    max-height: 14rem;
    opacity: 1;
    transition: max-height .28s var(--ease), opacity .28s var(--ease), margin-top .28s var(--ease);
  }

  .page-home .ledger__item:not(:hover):not(:focus) .ledger__detail {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    overflow: hidden;
  }

  .page-home .tiers {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1.3rem;
  }

  .page-home .seasons {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 3rem;
    align-items: center;
  }

  .page-home .crew {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 3rem;
    align-items: start;
  }

  .page-home .paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .tier,
  .page-home .path,
  .page-home .ledger__detail,
  .page-home .tier__num,
  .page-home .path__idx {
    transition: none;
  }
}