.page-home {
  --hm-shadow: 0 24px 60px rgba(3, 6, 12, 0.6);
  position: relative;
  overflow-x: hidden;
}

/* ---------- 顶部上下文行 ---------- */
.page-home .home-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding-top: 26px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-topline__note {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 9vw, 112px);
  overflow: hidden;
}
.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 90% at 78% 12%, rgba(43, 232, 192, .18) 0%, transparent 58%),
    radial-gradient(90% 80% at 8% 92%, rgba(255, 90, 43, .16) 0%, transparent 60%),
    linear-gradient(160deg, var(--sn-midnight) 0%, var(--sn-black) 62%);
}
.page-home .home-hero::after {
  content: "";
  position: absolute;
  top: -14%;
  right: -18%;
  width: 78%;
  height: 128%;
  z-index: -1;
  background: linear-gradient(150deg, rgba(43, 232, 192, .1) 0%, rgba(123, 92, 255, .12) 52%, transparent 78%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  pointer-events: none;
}
.page-home .home-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 42%;
  opacity: .28;
  filter: saturate(.7) contrast(1.15);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .85) 36%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .85) 36%, #000 100%);
}
.page-home .home-hero__inner {
  position: relative;
}
.page-home .home-hero__title {
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(48px, 12.5vw, 132px);
  line-height: .92;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--sn-mist);
  margin: 18px 0 0;
  max-width: 15ch;
}
.page-home .home-hero__title span {
  display: block;
  color: var(--sn-cyan);
  text-shadow: 0 0 42px rgba(43, 232, 192, .38);
}
.page-home .home-hero__lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 4vw, 18px);
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-home .home-hero__sync {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sn-cold);
}
.page-home .home-hero__sync .sn-accent {
  padding: 3px 9px;
  border: 1px solid var(--sn-cyan-line);
  border-radius: var(--sn-r-pill);
  background: var(--sn-cyan-veil);
  font-size: 12px;
  letter-spacing: .18em;
}

/* ---------- 主体骨架 ---------- */
.page-home .home-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 索引侧栏 ---------- */
.page-home .home-rail {
  position: relative;
  margin: 0 0 28px;
  padding: 14px 0;
  border-top: 1px solid var(--sn-line);
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-rail__title {
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--sn-cold);
  margin: 0 0 12px;
}
.page-home .home-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 2px 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}
.page-home .home-rail__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}
.page-home .home-rail__list .sn-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-pill);
  font-size: 13px;
  white-space: nowrap;
  color: var(--sn-text-soft);
  text-decoration: none;
  transition: border-color .25s ease, color .25s ease, background .25s ease;
}
.page-home .home-rail__list .sn-index__link .sn-mono {
  font-size: 11px;
  color: var(--sn-cold);
}
.page-home .home-rail__list .sn-index__link:hover,
.page-home .home-rail__list .sn-index__link:focus-visible {
  border-color: var(--sn-cyan-line);
  background: var(--sn-cyan-veil);
  color: var(--sn-mist);
}
.page-home .home-rail__list .sn-index__link[aria-current="true"] {
  border-color: var(--sn-cyan);
  background: var(--sn-cyan-veil);
  color: var(--sn-cyan);
}
.page-home .home-rail__list .sn-index__link[aria-current="true"] .sn-mono {
  color: var(--sn-cyan);
}
.page-home .home-rail__back {
  margin-top: 14px;
}

/* ---------- 章节通用 ---------- */
.page-home .home-sec {
  position: relative;
  padding: clamp(40px, 7vw, 72px) 0;
}
.page-home .home-sec + .home-sec {
  border-top: 1px solid var(--sn-line);
}
.page-home .home-num {
  margin: 0 0 6px;
  font-size: clamp(40px, 11vw, 78px);
  line-height: 1;
  letter-spacing: .04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(138, 148, 166, .42);
  pointer-events: none;
  user-select: none;
}
.page-home .home-sec .sn-section__title {
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(26px, 6.4vw, 42px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--sn-mist);
  margin: 8px 0 0;
}
.page-home .home-sec .sn-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sn-text-soft);
}

/* ---------- 01 双入口 ---------- */
.page-home .home-entries {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 30px;
}
.page-home .home-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
  background: linear-gradient(168deg, rgba(28, 37, 54, .72) 0%, rgba(11, 21, 38, .9) 100%);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.page-home .home-entry::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 90% at 12% 0%, var(--sn-cyan-veil) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.page-home .home-entry:hover,
.page-home .home-entry:focus-within {
  transform: translateY(-4px);
  border-color: var(--sn-cyan-line);
  box-shadow: var(--hm-shadow);
}
.page-home .home-entry:hover::before,
.page-home .home-entry:focus-within::before {
  opacity: 1;
}
.page-home .home-entry > * {
  position: relative;
}
.page-home .home-entry .sn-card__title {
  font-family: var(--sn-font-display);
  font-weight: 800;
  font-size: clamp(21px, 5vw, 26px);
  line-height: 1.25;
  color: var(--sn-mist);
  margin: 0;
}
.page-home .home-entry .sn-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-entry__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .home-entry__list li {
  position: relative;
  padding-left: 16px;
  margin: 6px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
}
.page-home .home-entry__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: var(--sn-cyan);
}
.page-home .home-entry__shot {
  margin: 4px 0 0;
  border-radius: var(--sn-r-md);
  overflow: hidden;
  border: 1px solid var(--sn-line);
  background: var(--sn-black);
}
.page-home .home-entry__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  opacity: .88;
}
.page-home .home-entry .sn-btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* ---------- 02 三步走 ---------- */
.page-home .home-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
.page-home .home-step {
  position: relative;
  padding: 22px 0 22px 22px;
  border-left: 1px solid var(--sn-line);
}
.page-home .home-step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 30px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sn-flame);
  box-shadow: 0 0 12px rgba(255, 90, 43, .8);
}
.page-home .home-step__idx {
  display: block;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--sn-cold);
}
.page-home .home-step__title {
  margin: 8px 0 6px;
  font-family: var(--sn-font-display);
  font-weight: 800;
  font-size: clamp(19px, 4.6vw, 24px);
  color: var(--sn-cyan);
  letter-spacing: .01em;
}
.page-home .home-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-steps__foot {
  margin: 22px 0 0;
}

/* ---------- 03 常规赛第 10 轮 ---------- */
.page-home .home-sec--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-home .home-split__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.page-home .home-ring {
  position: relative;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--sn-cyan) 0deg 300deg, rgba(28, 37, 54, .9) 300deg 360deg);
  box-shadow: 0 0 48px rgba(43, 232, 192, .18);
}
.page-home .home-ring::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--sn-black);
  border: 1px solid var(--sn-line);
}
.page-home .home-ring__num {
  position: relative;
  z-index: 1;
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  color: var(--sn-mist);
  letter-spacing: -.02em;
}
.page-home .home-ring__cap {
  position: relative;
  z-index: 1;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--sn-cyan);
  transform: translateY(22px);
}
.page-home .home-ring__note {
  font-size: 12px;
  letter-spacing: .12em;
  margin: 0;
}
.page-home .home-split__text .sn-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-home .home-split__text .sn-list li {
  position: relative;
  padding-left: 18px;
  margin: 10px 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-split__text .sn-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 1px;
  background: var(--sn-cyan);
}
.page-home .home-split__text .sn-list strong {
  color: var(--sn-gold);
  font-weight: 600;
}
.page-home .home-split__cta {
  margin: 20px 0 0;
}

/* ---------- 04 回放分节 ---------- */
.page-home .home-split__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
  filter: saturate(.85) contrast(1.08);
}
.page-home .home-rp {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-rp__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-rp__item--hot {
  background: var(--sn-flame-veil);
  border-bottom-color: var(--sn-flame-line);
  border-radius: var(--sn-r-sm);
}
.page-home .home-rp__t {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--sn-cyan);
  letter-spacing: .06em;
}
.page-home .home-rp__item--hot .home-rp__t {
  color: var(--sn-flame);
}
.page-home .home-rp__d {
  font-size: 15px;
  line-height: 1.7;
  color: var(--sn-text-soft);
}
.page-home .home-rp__foot {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .1em;
}

/* ---------- 05 旧版本 ---------- */
.page-home .home-ver {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 30px;
}
.page-home .home-ver__figure {
  border-radius: var(--sn-r-lg);
  overflow: hidden;
  border: 1px solid var(--sn-line);
  background: var(--sn-midnight);
}
.page-home .home-ver__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.8) contrast(1.1);
}
.page-home .home-ver__text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-home .home-ver__text > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-ver__text .sn-fold {
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  background: rgba(11, 21, 38, .66);
  overflow: hidden;
}
.page-home .home-ver__text .sn-fold__summary {
  padding: 14px 16px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.6;
  color: var(--sn-mist);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background .25s ease, color .25s ease;
}
.page-home .home-ver__text .sn-fold__summary::-webkit-details-marker {
  display: none;
}
.page-home .home-ver__text .sn-fold__summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--sn-font-mono);
  font-size: 16px;
  color: var(--sn-cyan);
}
.page-home .home-ver__text .sn-fold[open] .sn-fold__summary::before {
  content: "–";
}
.page-home .home-ver__text .sn-fold__summary:hover,
.page-home .home-ver__text .sn-fold__summary:focus-visible {
  background: var(--sn-cyan-veil);
  color: var(--sn-cyan);
}
.page-home .home-ver__text .sn-fold__body {
  padding: 0 16px 16px 42px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-ver__text .sn-fold__body p {
  margin: 0;
}
.page-home .home-ver__cta {
  margin: 6px 0 0;
}

/* ---------- 06 更新节奏 ---------- */
.page-home .home-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 30px;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-stat {
  padding: 20px 0 20px 16px;
  border-bottom: 1px solid var(--sn-line);
  border-left: 2px solid var(--sn-cyan);
}
.page-home .home-stat--gold {
  border-left-color: var(--sn-gold);
}
.page-home .home-stat__num {
  margin: 0;
  font-size: clamp(34px, 9vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--sn-mist);
}
.page-home .home-stat--gold .home-stat__num {
  color: var(--sn-gold);
}
.page-home .home-stat__num span {
  font-size: 14px;
  letter-spacing: .06em;
  margin-left: 8px;
  color: var(--sn-cold);
}
.page-home .home-stat__cap {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
  max-width: 46ch;
}
.page-home .home-stats__note {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-radius: var(--sn-r-md);
  border: 1px solid var(--sn-line);
  background: rgba(28, 37, 54, .5);
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-stats__cta {
  margin: 18px 0 0;
}

/* ---------- 07 联系 ---------- */
.page-home .home-reach__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 28px;
}
.page-home .home-reach__col {
  padding: 18px 0;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-reach__col .sn-contact__key {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--sn-cold);
}
.page-home .home-reach__col .sn-contact__val {
  margin: 0 0 6px;
  font-size: clamp(17px, 4.4vw, 20px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--sn-cyan);
  word-break: break-word;
}
.page-home .home-reach__col .sn-contact__val--text {
  font-size: 16px;
  color: var(--sn-mist);
}
.page-home .home-reach__col .sn-muted {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
}
.page-home .home-reach__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--sn-line-strong);
}
.page-home .home-reach__foot p {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-home .home-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  .page-home .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 20px;
  }
  .page-home .home-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
    border-top: 0;
  }
  .page-home .home-stat {
    border-top: 1px solid var(--sn-line);
  }
  .page-home .home-reach__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }
}

@media (min-width: 1024px) {
  .page-home .home-shell {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 0 clamp(32px, 4vw, 64px);
    align-items: start;
  }
  .page-home .home-rail {
    position: sticky;
    top: calc(var(--sn-status-h) + 28px);
    margin-bottom: 0;
    padding: 22px 18px 22px 0;
    border-top: 0;
    border-bottom: 0;
    border-right: 1px solid var(--sn-line);
    max-height: calc(100vh - var(--sn-status-h) - 56px);
    overflow-y: auto;
  }
  .page-home .home-rail__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 0;
  }
  .page-home .home-rail__list .sn-index__link {
    width: 100%;
    justify-content: flex-start;
    border-color: transparent;
    border-radius: var(--sn-r-sm);
    padding: 9px 12px;
  }
  .page-home .home-rail__list .sn-index__link[aria-current="true"] {
    border-color: transparent;
    border-left: 3px solid var(--sn-cyan);
    border-radius: 0 var(--sn-r-sm) var(--sn-r-sm) 0;
  }

  .page-home .home-hero__title {
    max-width: 13ch;
  }
  .page-home .home-entries {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 32px;
  }
  .page-home .home-entry--lift {
    transform: translateY(-24px);
  }
  .page-home .home-entry--lift:hover,
  .page-home .home-entry--lift:focus-within {
    transform: translateY(-28px);
  }

  .page-home .home-sec--split {
    grid-template-columns: minmax(0, 4.5fr) minmax(0, 6.5fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
  }
  .page-home .home-sec--reverse .home-split__figure {
    order: 2;
  }
  .page-home .home-sec--reverse .home-split__text {
    order: 1;
  }
  .page-home .home-ring {
    width: 200px;
    height: 200px;
  }
  .page-home .home-ring__num {
    font-size: 64px;
  }
  .page-home .home-ver {
    grid-template-columns: minmax(0, 5.5fr) minmax(0, 6.5fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
  .page-home .home-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }
  .page-home .home-sec .sn-section__title {
    max-width: 22ch;
  }
  .page-home .home-sec .sn-lede {
    max-width: 58ch;
  }
}

@media (min-width: 1280px) {
  .page-home .home-hero__title {
    font-size: clamp(96px, 10vw, 140px);
  }
}

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

.page-home {
  --hm-shadow: 0 24px 60px rgba(3, 6, 12, 0.6);
  position: relative;
  overflow-x: hidden;
}

/* ---------- 顶部上下文 ---------- */
.page-home .home-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 22px 0 14px;
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-topline__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(48px, 8vw, 104px) 0 clamp(56px, 9vw, 112px);
  overflow: hidden;
}
.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 92% at 78% 12%, rgba(43, 232, 192, .18) 0%, transparent 58%),
    radial-gradient(90% 80% at 8% 92%, rgba(255, 90, 43, .16) 0%, transparent 60%),
    linear-gradient(160deg, var(--sn-midnight) 0%, var(--sn-black) 62%);
}
.page-home .home-hero::after {
  content: "";
  position: absolute;
  top: -14%;
  right: -18%;
  width: 78%;
  height: 128%;
  z-index: -1;
  background: linear-gradient(150deg, rgba(43, 232, 192, .1) 0%, rgba(123, 92, 255, .12) 52%, transparent 78%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  pointer-events: none;
}
.page-home .home-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 42%;
  opacity: .3;
  filter: saturate(.7) contrast(1.15);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .85) 36%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .85) 36%, #000 100%);
}
.page-home .home-hero__inner {
  position: relative;
}
.page-home .home-hero__title {
  margin: 18px 0 0;
  max-width: 15ch;
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(46px, 12.5vw, 132px);
  line-height: .92;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--sn-mist);
}
.page-home .home-hero__title span {
  display: block;
  color: var(--sn-cyan);
  text-shadow: 0 0 44px rgba(43, 232, 192, .38);
}
.page-home .home-hero__lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 4vw, 18px);
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-home .home-hero__sync {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sn-cold);
}
.page-home .home-hero__sync .sn-accent {
  padding: 3px 10px;
  border: 1px solid var(--sn-cyan-line);
  border-radius: var(--sn-r-pill);
  background: var(--sn-cyan-veil);
  font-size: 12px;
  letter-spacing: .18em;
}

/* ---------- 骨架 ---------- */
.page-home .home-shell {
  display: grid;
  grid-template-columns: 1fr;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 索引 ---------- */
.page-home .home-rail {
  position: relative;
  margin-bottom: 24px;
  padding: 14px 0;
  border-top: 1px solid var(--sn-line);
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-rail__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--sn-cold);
}
.page-home .home-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 2px 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}
.page-home .home-rail__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}
.page-home .home-rail__list .sn-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-pill);
  font-size: 13px;
  white-space: nowrap;
  color: var(--sn-text-soft);
  text-decoration: none;
  transition: border-color .25s ease, color .25s ease, background .25s ease;
}
.page-home .home-rail__list .sn-index__link .sn-mono {
  font-size: 11px;
  color: var(--sn-cold);
}
.page-home .home-rail__list .sn-index__link:hover,
.page-home .home-rail__list .sn-index__link:focus-visible {
  border-color: var(--sn-cyan-line);
  background: var(--sn-cyan-veil);
  color: var(--sn-mist);
}
.page-home .home-rail__list .sn-index__link[aria-current="true"] {
  border-color: var(--sn-cyan);
  background: var(--sn-cyan-veil);
  color: var(--sn-cyan);
}
.page-home .home-rail__list .sn-index__link[aria-current="true"] .sn-mono {
  color: var(--sn-cyan);
}
.page-home .home-rail__back {
  margin-top: 14px;
}

/* ---------- 章节基底 ---------- */
.page-home .home-sec {
  position: relative;
  padding: clamp(40px, 7vw, 76px) 0;
}
.page-home .home-sec + .home-sec {
  border-top: 1px solid var(--sn-line);
}
.page-home .home-num {
  margin: 0 0 6px;
  font-size: clamp(40px, 11vw, 78px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(138, 148, 166, .42);
  pointer-events: none;
  user-select: none;
}
.page-home .home-sec .sn-section__title {
  margin: 8px 0 0;
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(26px, 6.4vw, 42px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--sn-mist);
}
.page-home .home-sec .sn-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sn-text-soft);
}

/* ---------- 01 双入口 ---------- */
.page-home .home-entries {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 30px;
}
.page-home .home-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
  background: linear-gradient(168deg, rgba(28, 37, 54, .72) 0%, rgba(11, 21, 38, .92) 100%);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.page-home .home-entry::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 90% at 12% 0%, var(--sn-cyan-veil) 0%, transparent 62%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.page-home .home-entry:hover,
.page-home .home-entry:focus-within {
  transform: translateY(-4px);
  border-color: var(--sn-cyan-line);
  box-shadow: var(--hm-shadow);
}
.page-home .home-entry:hover::before,
.page-home .home-entry:focus-within::before {
  opacity: 1;
}
.page-home .home-entry > * {
  position: relative;
}
.page-home .home-entry .sn-card__title {
  margin: 0;
  font-family: var(--sn-font-display);
  font-weight: 800;
  font-size: clamp(21px, 5vw, 26px);
  line-height: 1.25;
  color: var(--sn-mist);
}
.page-home .home-entry .sn-card__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sn-cold);
}
.page-home .home-entry .sn-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-entry__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .home-entry__list li {
  position: relative;
  margin: 6px 0;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
}
.page-home .home-entry__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--sn-cyan);
}
.page-home .home-entry__shot {
  margin: 4px 0 0;
  border-radius: var(--sn-r-md);
  overflow: hidden;
  border: 1px solid var(--sn-line);
  background: var(--sn-black);
}
.page-home .home-entry__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  opacity: .9;
}
.page-home .home-entry .sn-btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* ---------- 02 三步走 ---------- */
.page-home .home-steps {
  display: grid;
  grid-template-columns: 1fr;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}
.page-home .home-step {
  position: relative;
  padding: 22px 0 22px 22px;
  border-left: 1px solid var(--sn-line);
}
.page-home .home-step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 30px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sn-flame);
  box-shadow: 0 0 12px rgba(255, 90, 43, .8);
}
.page-home .home-step__idx {
  display: block;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--sn-cold);
}
.page-home .home-step__title {
  margin: 8px 0 6px;
  font-family: var(--sn-font-display);
  font-weight: 800;
  font-size: clamp(19px, 4.6vw, 24px);
  letter-spacing: .01em;
  color: var(--sn-cyan);
}
.page-home .home-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-steps__foot {
  margin: 22px 0 0;
}

/* ---------- 03 / 04 分栏 ---------- */
.page-home .home-sec--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-home .home-split__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.page-home .home-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  background: conic-gradient(var(--sn-cyan) 0deg 300deg, rgba(28, 37, 54, .92) 300deg 360deg);
  box-shadow: 0 0 48px rgba(43, 232, 192, .18);
}
.page-home .home-ring::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--sn-black);
  border: 1px solid var(--sn-line);
}
.page-home .home-ring__num {
  position: relative;
  z-index: 1;
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--sn-mist);
}
.page-home .home-ring__cap {
  position: relative;
  z-index: 1;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--sn-cyan);
  transform: translateY(22px);
}
.page-home .home-ring__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
}
.page-home .home-split__text .sn-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-home .home-split__text .sn-list li {
  position: relative;
  margin: 10px 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-split__text .sn-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 9px;
  height: 1px;
  background: var(--sn-cyan);
}
.page-home .home-split__text .sn-list strong {
  color: var(--sn-gold);
  font-weight: 600;
}
.page-home .home-split__cta {
  margin: 20px 0 0;
}
.page-home .home-split__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
  filter: saturate(.85) contrast(1.08);
}

/* ---------- 04 回放列表 ---------- */
.page-home .home-rp {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-rp__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 6px;
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-rp__item--hot {
  background: var(--sn-flame-veil);
  border-bottom-color: var(--sn-flame-line);
  border-radius: var(--sn-r-sm);
}
.page-home .home-rp__t {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--sn-cyan);
}
.page-home .home-rp__item--hot .home-rp__t {
  color: var(--sn-flame);
}
.page-home .home-rp__d {
  font-size: 15px;
  line-height: 1.7;
  color: var(--sn-text-soft);
}
.page-home .home-rp__foot {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .1em;
}

/* ---------- 05 旧版本 ---------- */
.page-home .home-ver {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 30px;
}
.page-home .home-ver__figure {
  border-radius: var(--sn-r-lg);
  overflow: hidden;
  border: 1px solid var(--sn-line);
  background: var(--sn-midnight);
}
.page-home .home-ver__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.8) contrast(1.1);
}
.page-home .home-ver__text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-home .home-ver__text > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-ver__text .sn-fold {
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  background: rgba(11, 21, 38, .66);
  overflow: hidden;
}
.page-home .home-ver__text .sn-fold__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--sn-mist);
  cursor: pointer;
  list-style: none;
  transition: background .25s ease, color .25s ease;
}
.page-home .home-ver__text .sn-fold__summary::-webkit-details-marker {
  display: none;
}
.page-home .home-ver__text .sn-fold__summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--sn-font-mono);
  font-size: 16px;
  color: var(--sn-cyan);
}
.page-home .home-ver__text .sn-fold[open] .sn-fold__summary::before {
  content: "–";
}
.page-home .home-ver__text .sn-fold__summary:hover,
.page-home .home-ver__text .sn-fold__summary:focus-visible {
  background: var(--sn-cyan-veil);
  color: var(--sn-cyan);
}
.page-home .home-ver__text .sn-fold__body {
  padding: 0 16px 16px 42px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-ver__text .sn-fold__body p {
  margin: 0;
}
.page-home .home-ver__cta {
  margin: 6px 0 0;
}

/* ---------- 06 更新节奏 ---------- */
.page-home .home-stats {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 30px;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-stat {
  padding: 20px 0 20px 16px;
  border-bottom: 1px solid var(--sn-line);
  border-left: 2px solid var(--sn-cyan);
}
.page-home .home-stat--gold {
  border-left-color: var(--sn-gold);
}
.page-home .home-stat__num {
  margin: 0;
  font-size: clamp(34px, 9vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--sn-mist);
}
.page-home .home-stat--gold .home-stat__num {
  color: var(--sn-gold);
}
.page-home .home-stat__num span {
  margin-left: 8px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--sn-cold);
}
.page-home .home-stat__cap {
  margin: 10px 0 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
}
.page-home .home-stats__note {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-radius: var(--sn-r-md);
  border: 1px solid var(--sn-line);
  background: rgba(28, 37, 54, .5);
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-stats__cta {
  margin: 18px 0 0;
}

/* ---------- 07 联系 ---------- */
.page-home .home-reach__grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 28px;
}
.page-home .home-reach__col {
  padding: 18px 0;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-reach__col .sn-contact__key {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--sn-cold);
}
.page-home .home-reach__col .sn-contact__val {
  margin: 0 0 6px;
  font-size: clamp(17px, 4.4vw, 20px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--sn-cyan);
  word-break: break-word;
}
.page-home .home-reach__col .sn-contact__val--text {
  font-size: 16px;
  color: var(--sn-mist);
}
.page-home .home-reach__col .sn-muted {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
}
.page-home .home-reach__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--sn-line-strong);
}
.page-home .home-reach__foot p {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-home .home-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  .page-home .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 20px;
  }
  .page-home .home-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
    border-top: 0;
  }
  .page-home .home-stat {
    border-top: 1px solid var(--sn-line);
  }
  .page-home .home-reach__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-home .home-shell {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 0 clamp(32px, 4vw, 64px);
    align-items: start;
  }
  .page-home .home-rail {
    position: sticky;
    top: calc(var(--sn-status-h) + 28px);
    margin-bottom: 0;
    padding: 22px 18px 22px 0;
    border-top: 0;
    border-bottom: 0;
    border-right: 1px solid var(--sn-line);
    max-height: calc(100vh - var(--sn-status-h) - 56px);
    overflow-y: auto;
  }
  .page-home .home-rail__list {
    flex-direction: column;
    gap: 4px;
    padding: 0;
    overflow: visible;
  }
  .page-home .home-rail__list .sn-index__link {
    width: 100%;
    justify-content: flex-start;
    padding: 9px 12px;
    border-color: transparent;
    border-radius: var(--sn-r-sm);
  }
  .page-home .home-rail__list .sn-index__link[aria-current="true"] {
    border-color: transparent;
    border-left: 3px solid var(--sn-cyan);
    border-radius: 0 var(--sn-r-sm) var(--sn-r-sm) 0;
  }

  .page-home .home-hero__title {
    max-width: 13ch;
  }
  .page-home .home-entries {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 32px;
  }
  .page-home .home-entry--lift {
    transform: translateY(-24px);
  }
  .page-home .home-entry--lift:hover,
  .page-home .home-entry--lift:focus-within {
    transform: translateY(-28px);
  }
  .page-home .home-sec--split {
    grid-template-columns: minmax(0, 4.5fr) minmax(0, 6.5fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
  }
  .page-home .home-sec--reverse .home-split__figure {
    order: 2;
  }
  .page-home .home-sec--reverse .home-split__text {
    order: 1;
  }
  .page-home .home-ring {
    width: 200px;
    height: 200px;
  }
  .page-home .home-ring__num {
    font-size: 64px;
  }
  .page-home .home-ver {
    grid-template-columns: minmax(0, 5.5fr) minmax(0, 6.5fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
  .page-home .home-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }
  .page-home .home-sec .sn-section__title {
    max-width: 22ch;
  }
  .page-home .home-sec .sn-lede {
    max-width: 58ch;
  }
}

@media (min-width: 1280px) {
  .page-home .home-hero__title {
    font-size: clamp(96px, 10vw, 140px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-entry,
  .page-home .home-entry::before,
  .page-home .home-rail__list .sn-index__link {
    transition: none;
  }
  .page-home .home-entry:hover,
  .page-home .home-entry:focus-within,
  .page-home .home-entry--lift:hover,
  .page-home .home-entry--lift:focus-within {
    transform: none;
  }
}

.page-home {
  --hm-shadow: 0 24px 60px rgba(3, 6, 12, 0.6);
  position: relative;
  overflow-x: hidden;
}

/* ---------- 顶部上下文 ---------- */
.page-home .home-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 22px 0 14px;
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-topline .sn-breadcrumb {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
}
.page-home .home-breadcrumb__sep {
  color: var(--sn-cold);
}

/* 首屏由 page 独立重构，避免复用共享 .sn-hero 的既有节奏 */
.page-home .sn-hero {
  all: unset;
}
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(48px, 8vw, 104px) 0 clamp(56px, 9vw, 112px);
  overflow: hidden;
}
.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 92% at 78% 12%, rgba(43, 232, 192, .18) 0%, transparent 58%),
    radial-gradient(90% 80% at 8% 92%, rgba(255, 90, 43, .16) 0%, transparent 60%),
    linear-gradient(160deg, var(--sn-midnight) 0%, var(--sn-black) 62%);
}
.page-home .home-hero::after {
  content: "";
  position: absolute;
  top: -14%;
  right: -18%;
  width: 78%;
  height: 128%;
  z-index: -1;
  background: linear-gradient(150deg, rgba(43, 232, 192, .1) 0%, rgba(123, 92, 255, .12) 52%, transparent 78%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  pointer-events: none;
}
.page-home .home-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 42%;
  opacity: .3;
  filter: saturate(.7) contrast(1.15);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .85) 36%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .85) 36%, #000 100%);
}
.page-home .home-hero__inner {
  position: relative;
}
.page-home .home-hero__title {
  margin: 18px 0 0;
  max-width: 15ch;
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(46px, 12.5vw, 132px);
  line-height: .92;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--sn-mist);
}
.page-home .home-hero__title span {
  display: block;
  color: var(--sn-cyan);
  text-shadow: 0 0 44px rgba(43, 232, 192, .38);
}
.page-home .home-hero__lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 4vw, 18px);
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-home .home-hero__sync {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sn-cold);
}
.page-home .home-hero__sync .sn-accent {
  padding: 3px 10px;
  border: 1px solid var(--sn-cyan-line);
  border-radius: var(--sn-r-pill);
  background: var(--sn-cyan-veil);
  font-size: 12px;
  letter-spacing: .18em;
}

/* ---------- 主体网格 ---------- */
.page-home .home-shell {
  display: grid;
  grid-template-columns: 1fr;
  padding-bottom: clamp(48px, 8vw, 96px);
}
.page-home .home-body {
  min-width: 0;
}

/* ---------- 索引栏 ---------- */
.page-home .home-rail {
  position: relative;
  margin-bottom: 24px;
  padding: 14px 0;
  border-top: 1px solid var(--sn-line);
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-rail__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--sn-cold);
}
.page-home .home-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 2px 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}
.page-home .home-rail__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}
.page-home .home-rail__list .sn-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-pill);
  font-size: 13px;
  white-space: nowrap;
  color: var(--sn-text-soft);
  text-decoration: none;
  transition: border-color .25s ease, color .25s ease, background .25s ease;
}
.page-home .home-rail__list .sn-index__link .sn-mono {
  font-size: 11px;
  color: var(--sn-cold);
}
.page-home .home-rail__list .sn-index__link:hover,
.page-home .home-rail__list .sn-index__link:focus-visible {
  border-color: var(--sn-cyan-line);
  background: var(--sn-cyan-veil);
  color: var(--sn-mist);
}
.page-home .home-rail__list .sn-index__link[aria-current="true"] {
  border-color: var(--sn-cyan);
  background: var(--sn-cyan-veil);
  color: var(--sn-cyan);
}
.page-home .home-rail__list .sn-index__link[aria-current="true"] .sn-mono {
  color: var(--sn-cyan);
}
.page-home .home-rail__back {
  margin-top: 14px;
}

/* ---------- 章节基底 ---------- */
.page-home .home-sec {
  position: relative;
  padding: clamp(40px, 7vw, 76px) 0;
}
.page-home .home-sec + .home-sec {
  border-top: 1px solid var(--sn-line);
}
.page-home .home-num {
  margin: 0 0 6px;
  font-size: clamp(40px, 11vw, 78px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(138, 148, 166, .42);
  pointer-events: none;
  user-select: none;
}
.page-home .home-sec .sn-section__title {
  margin: 8px 0 0;
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(26px, 6.4vw, 42px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--sn-mist);
}
.page-home .home-sec .sn-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sn-text-soft);
}

/* ---------- 01 双入口 ---------- */
.page-home .home-entries {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 30px;
}
.page-home .home-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
  background: linear-gradient(168deg, rgba(28, 37, 54, .72) 0%, rgba(11, 21, 38, .92) 100%);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.page-home .home-entry::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 90% at 12% 0%, var(--sn-cyan-veil) 0%, transparent 62%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.page-home .home-entry:hover,
.page-home .home-entry:focus-within {
  transform: translateY(-4px);
  border-color: var(--sn-cyan-line);
  box-shadow: var(--hm-shadow);
}
.page-home .home-entry:hover::before,
.page-home .home-entry:focus-within::before {
  opacity: 1;
}
.page-home .home-entry > * {
  position: relative;
}
.page-home .home-entry .sn-card__title {
  margin: 0;
  font-family: var(--sn-font-display);
  font-weight: 800;
  font-size: clamp(21px, 5vw, 26px);
  line-height: 1.25;
  color: var(--sn-mist);
}
.page-home .home-entry .sn-card__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sn-cold);
}
.page-home .home-entry .sn-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-entry__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .home-entry__list li {
  position: relative;
  margin: 6px 0;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
}
.page-home .home-entry__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--sn-cyan);
}
.page-home .home-entry__shot {
  margin: 4px 0 0;
  border-radius: var(--sn-r-md);
  overflow: hidden;
  border: 1px solid var(--sn-line);
  background: var(--sn-black);
}
.page-home .home-entry__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  opacity: .9;
}
.page-home .home-entry .sn-btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* ---------- 02 三步走 ---------- */
.page-home .home-steps {
  display: grid;
  grid-template-columns: 1fr;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}
.page-home .home-step {
  position: relative;
  padding: 22px 0 22px 22px;
  border-left: 1px solid var(--sn-line);
}
.page-home .home-step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 30px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sn-flame);
  box-shadow: 0 0 12px rgba(255, 90, 43, .8);
}
.page-home .home-step__idx {
  display: block;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--sn-cold);
}
.page-home .home-step__title {
  margin: 8px 0 6px;
  font-family: var(--sn-font-display);
  font-weight: 800;
  font-size: clamp(19px, 4.6vw, 24px);
  letter-spacing: .01em;
  color: var(--sn-cyan);
}
.page-home .home-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-steps__foot {
  margin: 22px 0 0;
}

/* ---------- 03 / 04 分栏 ---------- */
.page-home .home-sec--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-home .home-split__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.page-home .home-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  background: conic-gradient(var(--sn-cyan) 0deg 300deg, rgba(28, 37, 54, .92) 300deg 360deg);
  box-shadow: 0 0 48px rgba(43, 232, 192, .18);
}
.page-home .home-ring::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--sn-black);
  border: 1px solid var(--sn-line);
}
.page-home .home-ring__num {
  position: relative;
  z-index: 1;
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--sn-mist);
}
.page-home .home-ring__cap {
  position: relative;
  z-index: 1;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--sn-cyan);
  transform: translateY(22px);
}
.page-home .home-ring__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  text-align: center;
}
.page-home .home-split__text .sn-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-home .home-split__text .sn-list li {
  position: relative;
  margin: 10px 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-split__text .sn-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 9px;
  height: 1px;
  background: var(--sn-cyan);
}
.page-home .home-split__text .sn-list strong {
  color: var(--sn-gold);
  font-weight: 600;
}
.page-home .home-split__cta {
  margin: 20px 0 0;
}
.page-home .home-split__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
  filter: saturate(.85) contrast(1.08);
}

/* ---------- 04 回放列表 ---------- */
.page-home .home-rp {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-rp__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 6px;
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-rp__item--hot {
  background: var(--sn-flame-veil);
  border-bottom-color: var(--sn-flame-line);
  border-radius: var(--sn-r-sm);
}
.page-home .home-rp__t {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--sn-cyan);
}
.page-home .home-rp__item--hot .home-rp__t {
  color: var(--sn-flame);
}
.page-home .home-rp__d {
  font-size: 15px;
  line-height: 1.7;
  color: var(--sn-text-soft);
}
.page-home .home-rp__foot {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .1em;
}

/* ---------- 05 旧版本 ---------- */
.page-home .home-ver {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 30px;
}
.page-home .home-ver__figure {
  border-radius: var(--sn-r-lg);
  overflow: hidden;
  border: 1px solid var(--sn-line);
  background: var(--sn-midnight);
}
.page-home .home-ver__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.8) contrast(1.1);
}
.page-home .home-ver__text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-home .home-ver__text > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-ver__text .sn-fold {
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  background: rgba(11, 21, 38, .66);
  overflow: hidden;
}
.page-home .home-ver__text .sn-fold__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--sn-mist);
  cursor: pointer;
  list-style: none;
  transition: background .25s ease, color .25s ease;
}
.page-home .home-ver__text .sn-fold__summary::-webkit-details-marker {
  display: none;
}
.page-home .home-ver__text .sn-fold__summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--sn-font-mono);
  font-size: 16px;
  color: var(--sn-cyan);
}
.page-home .home-ver__text .sn-fold[open] .sn-fold__summary::before {
  content: "–";
}
.page-home .home-ver__text .sn-fold__summary:hover,
.page-home .home-ver__text .sn-fold__summary:focus-visible {
  background: var(--sn-cyan-veil);
  color: var(--sn-cyan);
}
.page-home .home-ver__text .sn-fold__body {
  padding: 0 16px 16px 42px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-ver__text .sn-fold__body p {
  margin: 0;
}
.page-home .home-ver__cta {
  margin: 6px 0 0;
}

/* ---------- 06 更新节奏 ---------- */
.page-home .home-stats {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 30px;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-stat {
  padding: 20px 0 20px 16px;
  border-bottom: 1px solid var(--sn-line);
  border-left: 2px solid var(--sn-cyan);
}
.page-home .home-stat--gold {
  border-left-color: var(--sn-gold);
}
.page-home .home-stat__num {
  margin: 0;
  font-size: clamp(34px, 9vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--sn-mist);
}
.page-home .home-stat--gold .home-stat__num {
  color: var(--sn-gold);
}
.page-home .home-stat__num span {
  margin-left: 8px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--sn-cold);
}
.page-home .home-stat__cap {
  margin: 10px 0 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
}
.page-home .home-stats__note {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-radius: var(--sn-r-md);
  border: 1px solid var(--sn-line);
  background: rgba(28, 37, 54, .5);
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-stats__cta {
  margin: 18px 0 0;
}

/* ---------- 07 联系 ---------- */
.page-home .home-reach__grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 28px;
}
.page-home .home-reach__col {
  padding: 18px 0;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-reach__col .sn-contact__key {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--sn-cold);
  font-family: var(--sn-font-mono);
}
.page-home .home-reach__col .sn-contact__val {
  margin: 0 0 6px;
  font-size: clamp(17px, 4.4vw, 20px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--sn-cyan);
  word-break: break-word;
}
.page-home .home-reach__col .sn-contact__val--text {
  font-size: 16px;
  font-weight: 500;
  color: var(--sn-mist);
}
.page-home .home-reach__col .sn-muted {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
}
.page-home .home-reach__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--sn-line-strong);
}
.page-home .home-reach__foot p {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-home .home-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  .page-home .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 20px;
  }
  .page-home .home-step:first-child {
    padding-left: 20px;
  }
  .page-home .home-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
    border-top: 0;
  }
  .page-home .home-stat {
    border-top: 1px solid var(--sn-line);
  }
  .page-home .home-reach__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-home .home-shell {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 0 clamp(32px, 4vw, 64px);
    align-items: start;
  }
  .page-home .home-rail {
    position: sticky;
    top: calc(var(--sn-status-h) + 28px);
    margin-bottom: 0;
    padding: 22px 18px 22px 0;
    border-top: 0;
    border-bottom: 0;
    border-right: 1px solid var(--sn-line);
    max-height: calc(100vh - var(--sn-status-h) - 56px);
    overflow-y: auto;
  }
  .page-home .home-rail__list {
    flex-direction: column;
    gap: 4px;
    padding: 0;
    overflow: visible;
  }
  .page-home .home-rail__list .sn-index__link {
    width: 100%;
    justify-content: flex-start;
    padding: 9px 12px;
    border-color: transparent;
    border-radius: var(--sn-r-sm);
  }
  .page-home .home-rail__list .sn-index__link[aria-current="true"] {
    border-color: transparent;
    border-left: 3px solid var(--sn-cyan);
    border-radius: 0 var(--sn-r-sm) var(--sn-r-sm) 0;
  }

  .page-home .home-hero__title {
    max-width: 13ch;
  }
  .page-home .home-entries {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 32px;
  }
  .page-home .home-entry--lift {
    transform: translateY(-24px);
  }
  .page-home .home-entry--lift:hover,
  .page-home .home-entry--lift:focus-within {
    transform: translateY(-28px);
  }
  .page-home .home-sec--split {
    grid-template-columns: minmax(0, 4.5fr) minmax(0, 6.5fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
  }
  .page-home .home-sec--reverse .home-split__figure {
    order: 2;
  }
  .page-home .home-sec--reverse .home-split__text {
    order: 1;
  }
  .page-home .home-ring {
    width: 200px;
    height: 200px;
  }
  .page-home .home-ring__num {
    font-size: 64px;
  }
  .page-home .home-ver {
    grid-template-columns: minmax(0, 5.5fr) minmax(0, 6.5fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
  .page-home .home-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }
  .page-home .home-sec .sn-section__title {
    max-width: 22ch;
  }
  .page-home .home-sec .sn-lede {
    max-width: 58ch;
  }

  /* 桌面端为章节标题左侧加一条竖向霓虹带 */
  .page-home .home-sec .sn-kicker {
    position: relative;
  }
  .page-home .home-sec .sn-kicker::after {
    content: "";
    display: inline-block;
    vertical-align: middle;
    width: 40px;
    height: 1px;
    margin-left: 12px;
    background: linear-gradient(90deg, var(--sn-cyan), transparent);
  }
}

@media (min-width: 1280px) {
  .page-home .home-hero__title {
    font-size: clamp(96px, 10vw, 140px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-entry,
  .page-home .home-entry::before,
  .page-home .home-rail__list .sn-index__link {
    transition: none;
  }
  .page-home .home-entry:hover,
  .page-home .home-entry:focus-within,
  .page-home .home-entry--lift:hover,
  .page-home .home-entry--lift:focus-within {
    transform: none;
  }
}

.page-home {
  --hm-shadow: 0 24px 60px rgba(3, 6, 12, 0.6);
  --hm-line-soft: rgba(138, 148, 166, 0.14);
  position: relative;
  overflow-x: hidden;
}

/* ---------- 顶部上下文行 ---------- */
.page-home .home-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding: 22px 0 14px;
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-topline .sn-breadcrumb {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .04em;
}
.page-home .home-breadcrumb__sep {
  color: var(--sn-cold);
  margin: 0 2px;
}
.page-home .home-topline__note {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
}

/* ============================================================
   首屏：超大窄体 + 斜切霓虹 + 背景图
   ============================================================ */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(46px, 8vw, 104px) 0 clamp(54px, 9vw, 112px);
  overflow: hidden;
}
.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 92% at 78% 12%, rgba(43, 232, 192, .16) 0%, transparent 58%),
    radial-gradient(90% 80% at 8% 92%, rgba(255, 90, 43, .15) 0%, transparent 60%),
    linear-gradient(160deg, var(--sn-midnight) 0%, var(--sn-black) 62%);
}
.page-home .home-hero::after {
  content: "";
  position: absolute;
  top: -14%;
  right: -18%;
  width: 78%;
  height: 128%;
  z-index: -1;
  background: linear-gradient(150deg, rgba(43, 232, 192, .09) 0%, rgba(123, 92, 255, .12) 52%, transparent 78%);
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  pointer-events: none;
}
.page-home .home-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 42%;
  opacity: .3;
  filter: saturate(.7) contrast(1.15);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .85) 36%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .85) 36%, #000 100%);
}
.page-home .home-hero__inner {
  position: relative;
}
.page-home .home-hero__title {
  margin: 16px 0 0;
  max-width: 15ch;
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(46px, 12.4vw, 130px);
  line-height: .92;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--sn-mist);
  text-shadow: 0 2px 24px rgba(5, 7, 12, .75);
}
.page-home .home-hero__title span {
  display: block;
  color: var(--sn-cyan);
  text-shadow: 0 0 44px rgba(43, 232, 192, .4);
}
.page-home .home-hero__lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 4vw, 18px);
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-home .home-hero__sync {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sn-cold);
}
.page-home .home-hero__sync .sn-accent {
  padding: 3px 10px;
  border: 1px solid var(--sn-cyan-line);
  border-radius: var(--sn-r-pill);
  background: var(--sn-cyan-veil);
  font-size: 12px;
  letter-spacing: .18em;
}

/* ============================================================
   主体骨架：索引 + 正文
   ============================================================ */
.page-home .home-shell {
  display: grid;
  grid-template-columns: 1fr;
  padding-bottom: clamp(48px, 8vw, 96px);
}
.page-home .home-body {
  min-width: 0;
}

/* ---------- 章节索引栏 ---------- */
.page-home .home-rail {
  position: relative;
  margin-bottom: 24px;
  padding: 14px 0;
  border-top: 1px solid var(--sn-line);
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-rail__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--sn-cold);
}
.page-home .home-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 2px 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}
.page-home .home-rail__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}
.page-home .home-rail__list .sn-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-pill);
  font-size: 13px;
  white-space: nowrap;
  color: var(--sn-text-soft);
  text-decoration: none;
  transition: border-color .25s ease, color .25s ease, background .25s ease;
}
.page-home .home-rail__list .sn-index__link .sn-mono {
  font-size: 11px;
  color: var(--sn-cold);
}
.page-home .home-rail__list .sn-index__link:hover,
.page-home .home-rail__list .sn-index__link:focus-visible {
  border-color: var(--sn-cyan-line);
  background: var(--sn-cyan-veil);
  color: var(--sn-mist);
}
.page-home .home-rail__list .sn-index__link[aria-current="true"] {
  border-color: var(--sn-cyan);
  background: var(--sn-cyan-veil);
  color: var(--sn-cyan);
}
.page-home .home-rail__list .sn-index__link[aria-current="true"] .sn-mono {
  color: var(--sn-cyan);
}
.page-home .home-rail__back {
  margin-top: 14px;
}

/* ---------- 章节基底与描边大编号 ---------- */
.page-home .home-sec {
  position: relative;
  padding: clamp(40px, 7vw, 76px) 0;
}
.page-home .home-sec + .home-sec {
  border-top: 1px solid var(--sn-line);
}
.page-home .home-num {
  margin: 0 0 4px;
  font-size: clamp(40px, 11vw, 78px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(138, 148, 166, .42);
  pointer-events: none;
  user-select: none;
}
.page-home .home-sec .sn-section__title {
  margin: 8px 0 0;
  font-family: var(--sn-font-display);
  font-weight: 900;
  font-size: clamp(26px, 6.4vw, 42px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--sn-mist);
}
.page-home .home-sec .sn-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sn-text-soft);
}

/* ============================================================
   01 双入口：不对称网格 + 右侧卡片上浮
   ============================================================ */
.page-home .home-entries {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 30px;
}
.page-home .home-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
  background: linear-gradient(168deg, rgba(28, 37, 54, .72) 0%, rgba(11, 21, 38, .92) 100%);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.page-home .home-entry::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 90% at 12% 0%, var(--sn-cyan-veil) 0%, transparent 62%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.page-home .home-entry:hover,
.page-home .home-entry:focus-within {
  transform: translateY(-4px);
  border-color: var(--sn-cyan-line);
  box-shadow: var(--hm-shadow);
}
.page-home .home-entry:hover::before,
.page-home .home-entry:focus-within::before {
  opacity: 1;
}
.page-home .home-entry > * {
  position: relative;
}
.page-home .home-entry .sn-card__title {
  margin: 0;
  font-family: var(--sn-font-display);
  font-weight: 800;
  font-size: clamp(21px, 5vw, 26px);
  line-height: 1.25;
  color: var(--sn-mist);
}
.page-home .home-entry .sn-card__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sn-cold);
}
.page-home .home-entry .sn-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-entry__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .home-entry__list li {
  position: relative;
  margin: 6px 0;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
}
.page-home .home-entry__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--sn-cyan);
}
.page-home .home-entry__shot {
  margin: 4px 0 0;
  border-radius: var(--sn-r-md);
  overflow: hidden;
  border: 1px solid var(--sn-line);
  background: var(--sn-black);
}
.page-home .home-entry__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  opacity: .9;
}
.page-home .home-entry .sn-btn {
  align-self: flex-start;
  margin-top: 4px;
}

/* ============================================================
   02 新用户三步走：火焰节点时间轴
   ============================================================ */
.page-home .home-steps {
  display: grid;
  grid-template-columns: 1fr;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}
.page-home .home-step {
  position: relative;
  padding: 22px 0 22px 22px;
  border-left: 1px solid var(--sn-line);
}
.page-home .home-step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 30px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sn-flame);
  box-shadow: 0 0 12px rgba(255, 90, 43, .8);
}
.page-home .home-step__idx {
  display: block;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--sn-cold);
}
.page-home .home-step__title {
  margin: 8px 0 6px;
  font-family: var(--sn-font-display);
  font-weight: 800;
  font-size: clamp(19px, 4.6vw, 24px);
  letter-spacing: .01em;
  color: var(--sn-cyan);
}
.page-home .home-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-steps__foot {
  margin: 22px 0 0;
}

/* ============================================================
   03 / 04 分栏：环形刻度 + 回放时间轴
   ============================================================ */
.page-home .home-sec--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-home .home-split__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.page-home .home-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  background: conic-gradient(var(--sn-cyan) 0deg 300deg, rgba(28, 37, 54, .92) 300deg 360deg);
  box-shadow: 0 0 48px rgba(43, 232, 192, .18);
}
.page-home .home-ring::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--sn-black);
  border: 1px solid var(--sn-line);
}
.page-home .home-ring__num {
  position: relative;
  z-index: 1;
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--sn-mist);
}
.page-home .home-ring__cap {
  position: relative;
  z-index: 1;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--sn-cyan);
  transform: translateY(22px);
}
.page-home .home-ring__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  text-align: center;
}
.page-home .home-split__text .sn-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-home .home-split__text .sn-list li {
  position: relative;
  margin: 10px 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-split__text .sn-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 9px;
  height: 1px;
  background: var(--sn-cyan);
}
.page-home .home-split__text .sn-list strong {
  color: var(--sn-gold);
  font-weight: 600;
}
.page-home .home-split__cta {
  margin: 20px 0 0;
}
.page-home .home-split__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
  filter: saturate(.85) contrast(1.08);
}

/* ---------- 回放分节列表 ---------- */
.page-home .home-rp {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-rp__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 6px;
  border-bottom: 1px solid var(--sn-line);
}
.page-home .home-rp__item--hot {
  background: var(--sn-flame-veil);
  border-bottom-color: var(--sn-flame-line);
  border-radius: var(--sn-r-sm);
}
.page-home .home-rp__t {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--sn-cyan);
}
.page-home .home-rp__item--hot .home-rp__t {
  color: var(--sn-flame);
}
.page-home .home-rp__d {
  font-size: 15px;
  line-height: 1.7;
  color: var(--sn-text-soft);
}
.page-home .home-rp__foot {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .1em;
}

/* ============================================================
   05 旧版本：图 + 折叠问答
   ============================================================ */
.page-home .home-ver {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 30px;
}
.page-home .home-ver__figure {
  border-radius: var(--sn-r-lg);
  overflow: hidden;
  border: 1px solid var(--sn-line);
  background: var(--sn-midnight);
}
.page-home .home-ver__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.8) contrast(1.1);
}
.page-home .home-ver__text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-home .home-ver__text > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-ver__text .sn-fold {
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  background: rgba(11, 21, 38, .66);
  overflow: hidden;
}
.page-home .home-ver__text .sn-fold__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--sn-mist);
  cursor: pointer;
  list-style: none;
  transition: background .25s ease, color .25s ease;
}
.page-home .home-ver__text .sn-fold__summary::-webkit-details-marker {
  display: none;
}
.page-home .home-ver__text .sn-fold__summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--sn-font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--sn-cyan);
}
.page-home .home-ver__text .sn-fold[open] .sn-fold__summary::before {
  content: "–";
}
.page-home .home-ver__text .sn-fold__summary:hover,
.page-home .home-ver__text .sn-fold__summary:focus-visible {
  background: var(--sn-cyan-veil);
  color: var(--sn-cyan);
}
.page-home .home-ver__text .sn-fold__body {
  padding: 0 16px 16px 42px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-ver__text .sn-fold__body p {
  margin: 0;
}
.page-home .home-ver__cta {
  margin: 6px 0 0;
}

/* ============================================================
   06 更新节奏：数据竖条
   ============================================================ */
.page-home .home-stats {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 30px;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-stat {
  padding: 20px 0 20px 16px;
  border-bottom: 1px solid var(--sn-line);
  border-left: 2px solid var(--sn-cyan);
}
.page-home .home-stat--gold {
  border-left-color: var(--sn-gold);
}
.page-home .home-stat__num {
  margin: 0;
  font-size: clamp(34px, 9vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--sn-mist);
}
.page-home .home-stat--gold .home-stat__num {
  color: var(--sn-gold);
}
.page-home .home-stat__num span {
  margin-left: 8px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--sn-cold);
}
.page-home .home-stat__cap {
  margin: 10px 0 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
}
.page-home .home-stats__note {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-radius: var(--sn-r-md);
  border: 1px solid var(--sn-line);
  background: rgba(28, 37, 54, .5);
  font-size: 14px;
  line-height: 1.8;
  color: var(--sn-text-soft);
}
.page-home .home-stats__cta {
  margin: 18px 0 0;
}

/* ============================================================
   07 联系
   ============================================================ */
.page-home .home-reach__grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 28px;
}
.page-home .home-reach__col {
  padding: 18px 0;
  border-top: 1px solid var(--sn-line);
}
.page-home .home-reach__col .sn-contact__key {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--sn-cold);
  font-family: var(--sn-font-mono);
}
.page-home .home-reach__col .sn-contact__val {
  margin: 0 0 6px;
  font-size: clamp(17px, 4.4vw, 20px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--sn-cyan);
  word-break: break-word;
}
.page-home .home-reach__col .sn-contact__val--text {
  font-size: 16px;
  font-weight: 500;
  color: var(--sn-mist);
}
.page-home .home-reach__col .sn-muted {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
}
.page-home .home-reach__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--sn-line-strong);
}
.page-home .home-reach__foot p {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
}

/* ============================================================
   平板
   ============================================================ */
@media (min-width: 720px) {
  .page-home .home-entries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  .page-home .home-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 20px;
  }
  .page-home .home-step {
    padding-right: 8px;
  }
  .page-home .home-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
    border-top: 0;
  }
  .page-home .home-stat {
    border-top: 1px solid var(--sn-line);
  }
  .page-home .home-reach__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }
}

/* ============================================================
   桌面
   ============================================================ */
@media (min-width: 1024px) {
  .page-home .home-shell {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 0 clamp(32px, 4vw, 64px);
    align-items: start;
  }
  .page-home .home-rail {
    position: sticky;
    top: calc(var(--sn-status-h) + 28px);
    margin-bottom: 0;
    padding: 22px 18px 22px 0;
    border-top: 0;
    border-bottom: 0;
    border-right: 1px solid var(--sn-line);
    max-height: calc(100vh - var(--sn-status-h) - 56px);
    overflow-y: auto;
  }
  .page-home .home-rail__list {
    flex-direction: column;
    gap: 4px;
    padding: 0;
    overflow: visible;
  }
  .page-home .home-rail__list .sn-index__link {
    width: 100%;
    justify-content: flex-start;
    padding: 9px 12px;
    border-color: transparent;
    border-radius: var(--sn-r-sm);
  }
  .page-home .home-rail__list .sn-index__link[aria-current="true"] {
    border-color: transparent;
    border-left: 3px solid var(--sn-cyan);
    border-radius: 0 var(--sn-r-sm) var(--sn-r-sm) 0;
  }

  .page-home .home-hero__title {
    max-width: 13ch;
  }
  .page-home .home-entries {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 32px;
  }
  .page-home .home-entry--lift {
    transform: translateY(-24px);
  }
  .page-home .home-entry--lift:hover,
  .page-home .home-entry--lift:focus-within {
    transform: translateY(-28px);
  }
  .page-home .home-sec--split {
    grid-template-columns: minmax(0, 4.5fr) minmax(0, 6.5fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
  }
  .page-home .home-sec--reverse .home-split__figure {
    order: 2;
  }
  .page-home .home-sec--reverse .home-split__text {
    order: 1;
  }
  .page-home .home-ring {
    width: 200px;
    height: 200px;
  }
  .page-home .home-ring__num {
    font-size: 64px;
  }
  .page-home .home-ver {
    grid-template-columns: minmax(0, 5.5fr) minmax(0, 6.5fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
  .page-home .home-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }
  .page-home .home-sec .sn-section__title {
    max-width: 22ch;
  }
  .page-home .home-sec .sn-lede {
    max-width: 58ch;
  }

  .page-home .home-sec .sn-kicker::after {
    content: "";
    display: inline-block;
    vertical-align: middle;
    width: 44px;
    height: 1px;
    margin-left: 12px;
    background: linear-gradient(90deg, var(--sn-cyan), transparent);
  }
}

@media (min-width: 1280px) {
  .page-home .home-hero__title {
    font-size: clamp(96px, 10vw, 140px);
  }
  .page-home .home-hero__lede {
    max-width: 52ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-entry,
  .page-home .home-entry::before,
  .page-home .home-rail__list .sn-index__link {
    transition: none;
  }
  .page-home .home-entry:hover,
  .page-home .home-entry:focus-within,
  .page-home .home-entry--lift:hover,
  .page-home .home-entry--lift:focus-within {
    transform: none;
  }
}