.page-home {
  --home-rail-w: 232px;
  --hero-gap: clamp(1.5rem, 3.4vw, 3rem);
}

/* ---------- 首屏框景 ---------- */

.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--head-h) + clamp(.75rem, 2.6vw, 2rem)) 0 clamp(2rem, 6vw, 4rem);
  background:
    radial-gradient(110% 78% at 88% 4%, rgba(46, 211, 183, .16), transparent 58%),
    radial-gradient(86% 62% at 2% 100%, rgba(217, 68, 122, .14), transparent 64%),
    linear-gradient(180deg, #07131d 0%, var(--ink) 62%, #081722 100%);
  color: var(--sand);
}

.page-home .hero__ruler {
  height: 16px;
  margin-bottom: clamp(.9rem, 2.4vw, 1.6rem);
  border-top: 1px solid var(--line);
  background-image:
    repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 112px),
    repeating-linear-gradient(90deg, rgba(245, 241, 232, .13) 0 1px, transparent 1px 14px);
}

.page-home .hero__frame {
  padding: clamp(1.1rem, 3.4vw, 2.6rem);
  border-color: var(--line-strong);
  background: rgba(8, 22, 34, .5);
}

.page-home .hero__grid {
  display: grid;
  gap: clamp(1.6rem, 3.6vw, 2.75rem);
}

.page-home .hero__lead {
  display: flex;
  flex-direction: column;
  gap: clamp(.85rem, 2vw, 1.3rem);
  align-items: flex-start;
}

.page-home .v-anchor {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  flex-wrap: wrap;
}

.page-home .v-anchor__k {
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(245, 241, 232, .55);
  text-transform: uppercase;
}

.page-home .v-anchor__v {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(3rem, 13vw, 6.4rem);
  line-height: .82;
  letter-spacing: -.035em;
  color: var(--gold);
  text-shadow: 0 0 42px rgba(213, 166, 64, .28);
}

.page-home .hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 4.9vw, 3.05rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-home .hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(.98rem, 1.5vw, 1.08rem);
  line-height: 1.8;
  color: rgba(245, 241, 232, .82);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: .35rem;
}

.page-home .hero__aside {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.5rem);
  align-content: start;
}

.page-home .rail-block {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(10, 26, 42, .55);
  padding: 1rem 1.1rem 1.15rem;
}

.page-home .rail-block__title {
  margin: 0 0 .75rem;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(245, 241, 232, .5);
  font-weight: 500;
}

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

.page-home .channel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .35rem .7rem;
  min-height: 48px;
  padding: .6rem 0 .6rem .7rem;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid rgba(245, 241, 232, .16);
}

.page-home .channel:last-child { border-bottom: 0; }

.page-home .channel__num {
  font-family: var(--font-num);
  font-size: 11px;
  color: rgba(245, 241, 232, .42);
}

.page-home .channel__name {
  font-size: .95rem;
  color: var(--sand);
}

.page-home .channel__meta {
  grid-column: 2 / 3;
  font-family: var(--font-num);
  font-size: 11px;
  color: rgba(245, 241, 232, .48);
}

.page-home .channel .tag { grid-row: 1 / 3; grid-column: 3 / 4; align-self: center; }

.page-home .hero__visual {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: #061019;
}

.page-home .hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05);
}

.page-home .hero__visual figcaption {
  padding: .7rem .85rem;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(245, 241, 232, .52);
  border-top: 1px solid var(--line);
}

@media (min-width: 880px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(250px, .78fr);
    align-items: start;
  }
  .page-home .hero__visual img { aspect-ratio: 4 / 5; }
}

/* ---------- 主体双栏 ---------- */

.page-home .home-body {
  display: grid;
  gap: clamp(2rem, 4.5vw, 3.5rem);
  padding: clamp(2.4rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
}

.page-home .home-main {
  display: grid;
  gap: clamp(2.6rem, 6vw, 4.5rem);
  min-width: 0;
}

.page-home .sec { scroll-margin-top: calc(var(--head-h) + 1.2rem); }

.page-home .sec .section-head { margin-bottom: clamp(1.1rem, 2.6vw, 1.75rem); }

/* 粘性目录 */

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

.page-home .toc__head {
  margin: 0 0 .6rem;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(27, 35, 46, .5);
}

.page-home .toc__list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.page-home .toc__item a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .6rem;
  align-items: baseline;
  min-height: 40px;
  padding: .5rem 0;
  font-size: .92rem;
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px solid var(--line-ink);
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}

.page-home .toc__item a:hover,
.page-home .toc__item a:focus-visible {
  color: #8d1f4c;
  padding-left: .25rem;
}

.page-home .toc__num {
  font-family: var(--font-num);
  font-size: 11px;
  color: rgba(27, 35, 46, .45);
}

.page-home .toc__foot {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(27, 35, 46, .68);
}

.page-home .toc__foot a {
  color: #8d1f4c;
  text-decoration: none;
  border-bottom: 1px solid rgba(141, 31, 76, .35);
}

@media (min-width: 1040px) {
  .page-home .home-body {
    grid-template-columns: minmax(0, 7fr) minmax(var(--home-rail-w), 3fr);
    align-items: start;
  }
  .page-home .home-rail {
    position: sticky;
    top: calc(var(--head-h) + 1.5rem);
  }
}

/* ---------- 分段控件 ---------- */

.page-home .segmented {
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: clamp(1.2rem, 2.6vw, 1.75rem);
}

.page-home .segmented__btn {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 1.05rem;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  border: 1px solid var(--line-ink);
  color: var(--graphite);
  background: transparent;
  text-decoration: none;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-home .segmented__btn:hover,
.page-home .segmented__btn:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

/* ---------- 通道说明 ---------- */

.page-home .route-list {
  display: grid;
  gap: clamp(1rem, 2.2vw, 1.35rem);
}

.page-home .route {
  border: 1px solid var(--line-ink);
  border-left: 3px solid var(--gold);
  border-radius: var(--r);
  background: #fff;
  box-shadow: var(--sh-1);
  padding: clamp(1.05rem, 2.4vw, 1.6rem);
  scroll-margin-top: calc(var(--head-h) + 1.2rem);
}

.page-home .route[id="route-desktop"] { border-left-color: var(--amber); }

.page-home .route__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .7rem;
  margin-bottom: .7rem;
}

.page-home .route__num {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--ink);
  background: var(--sand-2);
  border: 1px solid var(--line-ink);
  border-radius: var(--r);
}

.page-home .route__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.32rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--graphite);
}

.page-home .route__text {
  margin: 0 0 .9rem;
  font-size: .96rem;
  line-height: 1.8;
  color: rgba(27, 35, 46, .8);
  max-width: 62ch;
}

.page-home .route__steps {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-home .route__steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .7rem;
  align-items: baseline;
  font-size: .92rem;
  line-height: 1.7;
  color: rgba(27, 35, 46, .82);
  padding-bottom: .45rem;
  border-bottom: 1px dashed var(--line-ink);
}

.page-home .route__steps li:last-child { border-bottom: 0; padding-bottom: 0; }

.page-home .route__steps .num {
  font-size: 11px;
  color: #8d1f4c;
}

.page-home .route__spec {
  display: grid;
  gap: .1rem 1.2rem;
  margin: 0;
  padding-top: .85rem;
  border-top: 1px solid var(--line-ink);
}

.page-home .route__spec > div {
  display: grid;
  grid-template-columns: minmax(0, 6.5rem) minmax(0, 1fr);
  gap: .75rem;
  align-items: baseline;
  min-height: 36px;
  padding: .3rem 0;
}

.page-home .route__spec dt {
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(27, 35, 46, .5);
}

.page-home .route__spec dd {
  margin: 0;
  font-size: .9rem;
  color: var(--graphite);
}

/* ---------- 内嵌配图 ---------- */

.page-home .figure-inline {
  margin: 0;
  border: 1px solid var(--line-ink);
  border-radius: var(--r);
  overflow: hidden;
  background: #0d1c2a;
}

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

.page-home .figure-inline--wide img { aspect-ratio: 13 / 9; }
.page-home .figure-inline--plate img { aspect-ratio: 16 / 10; }

.page-home .figure-inline figcaption {
  padding: .7rem .9rem;
  font-size: 12px;
  line-height: 1.65;
  color: rgba(245, 241, 232, .62);
  background: rgba(10, 26, 42, .92);
  border-top: 1px solid var(--line);
}

/* ---------- 版本条目 ---------- */

.page-home .v-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-ink);
}

.page-home .v-item { border-bottom: 1px solid var(--line-ink); }

.page-home .v-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .35rem .9rem;
  align-items: center;
  min-height: 56px;
  padding: .85rem .25rem;
  cursor: pointer;
  list-style: none;
  transition: background-color .18s var(--ease);
}

.page-home .v-summary::-webkit-details-marker { display: none; }

.page-home .v-summary:hover { background: rgba(213, 166, 64, .1); }

.page-home .v-summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-home .v-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: #8d1f4c;
  letter-spacing: -.01em;
}

.page-home .v-name {
  font-size: .95rem;
  line-height: 1.5;
  color: var(--graphite);
}

.page-home .v-summary .tag {
  grid-column: 2 / 3;
  justify-self: start;
}

.page-home .v-body {
  padding: .2rem 0 1.1rem 2.6rem;
  display: grid;
  gap: .5rem;
}

.page-home .v-body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: rgba(27, 35, 46, .76);
  max-width: 60ch;
}

.page-home .v-item[open] .v-summary { background: rgba(213, 166, 64, .12); }

@media (min-width: 720px) {
  .page-home .v-summary {
    grid-template-columns: 6.4rem minmax(0, 1fr) auto;
  }
  .page-home .v-summary .tag { grid-column: 3 / 4; justify-self: end; }
}

/* ---------- 栏目速查台 ---------- */

.page-home .desk-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(245, 241, 232, .14);
  border-radius: var(--r);
  padding: clamp(1.1rem, 2.8vw, 2rem);
  background:
    radial-gradient(90% 120% at 96% 4%, rgba(46, 211, 183, .2), transparent 58%),
    linear-gradient(158deg, var(--indigo) 0%, #221c44 100%);
}

.page-home .desk-grid {
  display: grid;
  gap: .75rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .desk-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .35rem .85rem;
  align-items: center;
  padding: .95rem 1rem;
  border: 1px solid rgba(245, 241, 232, .18);
  border-radius: var(--r);
  background: rgba(8, 20, 34, .42);
  color: var(--sand);
  text-decoration: none;
  transition: transform .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-home .desk-card:hover,
.page-home .desk-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold);
  background: rgba(8, 20, 34, .6);
}

.page-home .desk-card__num {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--sand);
  border: 1px solid rgba(245, 241, 232, .3);
  border-radius: var(--r);
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-home .desk-card:hover .desk-card__num,
.page-home .desk-card:focus-visible .desk-card__num {
  background: var(--magenta);
  border-color: var(--magenta);
  color: #fff;
}

.page-home .desk-card__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
}

.page-home .desk-card__text {
  grid-column: 1 / -1;
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(245, 241, 232, .74);
}

.page-home .desk-card__link {
  grid-column: 1 / -1;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gold);
}

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

/* ---------- 更新节奏 ---------- */

.page-home .cadence {
  display: grid;
  border-top: 1px solid var(--line-ink);
}

.page-home .cadence__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .3rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-home .cadence__k {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: #8d1f4c;
}

.page-home .cadence__v {
  font-size: .94rem;
  line-height: 1.75;
  color: rgba(27, 35, 46, .82);
  max-width: 62ch;
}

.page-home .cadence-foot {
  margin-top: clamp(1.1rem, 2.6vw, 1.6rem);
  display: grid;
  gap: .85rem;
}

.page-home .cadence-foot .prose a {
  color: #8d1f4c;
  text-decoration: none;
  border-bottom: 1px solid rgba(141, 31, 76, .35);
}

@media (min-width: 720px) {
  .page-home .cadence__row {
    grid-template-columns: 6.4rem minmax(0, 1fr);
    gap: 1.4rem;
    align-items: baseline;
  }
}

/* ---------- 下一站 ---------- */

.page-home .next-stop {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: .35rem 1.2rem;
  padding: clamp(1.4rem, 4vw, 2.4rem) var(--gut);
  background: linear-gradient(120deg, var(--wine) 0%, #3a1223 100%);
  border-top: 1px solid rgba(245, 241, 232, .16);
  color: var(--sand);
  text-decoration: none;
  transition: background-color .2s var(--ease);
}

.page-home .next-stop__kicker {
  grid-column: 1 / 2;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(245, 241, 232, .6);
}

.page-home .next-stop__title {
  grid-column: 1 / 2;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3.2vw, 1.7rem);
  font-weight: 700;
  line-height: 1.35;
}

.page-home .next-stop__arrow {
  grid-row: 1 / 3;
  grid-column: 2 / 3;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  color: var(--gold);
  transition: transform .2s var(--ease);
}

.page-home .next-stop:hover .next-stop__arrow,
.page-home .next-stop:focus-visible .next-stop__arrow { transform: translateX(6px); }

.page-home .next-stop:focus-visible { outline: 2px solid var(--gold); outline-offset: -3px; }

@media (prefers-reduced-motion: reduce) {
  .page-home .desk-card,
  .page-home .next-stop__arrow,
  .page-home .toc__item a,
  .page-home .segmented__btn { transition: none; }
  .page-home .desk-card:hover { transform: none; }
  .page-home .next-stop:hover .next-stop__arrow { transform: none; }
}