.page-home {
  --home-rail-w: 4.75rem;
  --home-gap: clamp(1.5rem, 3.2vw, 3.25rem);
  --home-cut: clamp(56px, 9vw, 150px);
  padding-top: clamp(1.25rem, 3.5vw, 2.5rem);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 上下文提示 ---------- */
.page-home .page-home__context {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .55rem;
  width: min(1520px, 94vw);
  margin: 0 auto clamp(1.1rem, 3vw, 2.25rem);
  font-size: var(--step--1);
  letter-spacing: .18em;
  color: var(--mist);
}

.page-home .page-home__context-sep {
  color: var(--graphite);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
}

.page-home .hero__media {
  position: absolute;
  inset: 0 0 auto;
  height: clamp(340px, 58vw, 700px);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 76%, 58% 100%, 0 84%);
  z-index: 0;
}

.page-home .hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
  filter: saturate(.65) contrast(1.08);
}

.page-home .hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(4, 22, 42, .38) 10%, rgba(4, 22, 42, .94) 80%);
}

.page-home .hero__slab {
  position: absolute;
  top: clamp(50px, 9vw, 130px);
  left: -8%;
  width: 76%;
  height: clamp(230px, 30vw, 400px);
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(104deg, rgba(18, 60, 96, .95), rgba(10, 42, 70, .62) 62%, rgba(4, 22, 42, 0));
  clip-path: polygon(0 16%, 100% 0, 88% 100%, 7% 90%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--home-gap);
  padding-bottom: clamp(2.5rem, 7vw, 5.5rem);
}

.page-home .hero__rail {
  display: none;
}

.page-home .hero__eyebrow {
  color: var(--cyan);
  margin: 0 0 1rem;
}

.page-home .hero__title {
  margin: 0 0 clamp(1rem, 2.4vw, 1.6rem);
  font-size: clamp(2.2rem, 7.6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 17ch;
  text-shadow: 0 18px 40px rgba(4, 22, 42, .55);
}

.page-home .hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-home .hero__lede {
  max-width: 42ch;
  color: var(--mist);
  margin: 0 0 clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}

/* 首屏悬浮数据卡 */
.page-home .hero__card {
  position: relative;
  z-index: 3;
  background: linear-gradient(160deg, rgba(18, 60, 96, .96), rgba(10, 42, 70, .96));
  border: 1px solid rgba(47, 230, 214, .28);
  border-radius: 4px;
  padding: clamp(1.25rem, 2.6vw, 1.75rem);
  box-shadow: var(--shadow-card);
}

.page-home .hero__card-label {
  color: var(--mist);
  display: block;
  margin-bottom: 1rem;
}

.page-home .hero__card-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .hero__card-stats .stat {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.page-home .hero__card-stats .stat__value {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}

.page-home .hero__card-stats .stat__label {
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--mist);
  line-height: 1.5;
}

.page-home .hero__card-foot {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--hairline);
}

/* ---------- 通用文本链 ---------- */
.page-home .text-link {
  display: inline-block;
  font-size: var(--step--1);
  letter-spacing: .14em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 230, 214, .45);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

.page-home .text-link:hover,
.page-home .text-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-home .text-link--dark {
  color: var(--ink-700);
  border-bottom-color: rgba(18, 60, 96, .4);
}

.page-home .text-link--dark:hover,
.page-home .text-link--dark:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 章节锚点条 ---------- */
.page-home .page-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  background: rgba(4, 22, 42, .94);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.page-home .page-toc__list {
  display: flex;
  gap: .15rem;
  margin: 0;
  padding: .45rem clamp(1rem, 3vw, 2.5rem);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-home .page-toc__list::-webkit-scrollbar {
  display: none;
}

.page-home .page-toc__link {
  display: block;
  white-space: nowrap;
  padding: .45rem .9rem;
  font-size: var(--step--1);
  letter-spacing: .16em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-home .page-toc__link:hover,
.page-home .page-toc__link:focus-visible {
  color: var(--paper);
}

.page-home .page-toc__link[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 四格档案概览 ---------- */
.page-home .snapshot {
  position: relative;
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(2.75rem, 6vw, 4.5rem);
}

.page-home .snapshot__head {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-home .snapshot__head h2 {
  margin: 0;
}

.page-home .snapshot__note {
  max-width: 46ch;
}

.page-home .snapshot__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-home .snap {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: clamp(1.15rem, 2.6vw, 2rem) clamp(1rem, 2.2vw, 1.6rem);
  background: var(--ink-900);
  transition: background .24s ease, transform .24s ease;
}

.page-home .snap:hover {
  background: var(--ink-800);
  transform: translateY(-4px);
}

.page-home .snap__value {
  display: flex;
  align-items: baseline;
  gap: .2rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 5.4vw, 3.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-home .snap--hot .snap__value {
  color: var(--orange);
}

.page-home .snap__unit {
  font-size: .42em;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-home .snap__label {
  font-size: var(--step--1);
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-home .snap--hot .snap__label {
  color: var(--orange);
}

.page-home .snap__desc {
  font-size: .875rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 数据模块分岔 ---------- */
.page-home .modules {
  position: relative;
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(3rem, 7vw, 5.5rem);
  background: var(--ink-800);
}

.page-home .modules__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .modules__aside {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.page-home .modules__aside-no {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--cyan);
}

.page-home .modules__aside-word {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .34em;
  color: var(--mist);
}

.page-home .modules__aside-note {
  max-width: 30ch;
}

.page-home .modules__title {
  margin: 0 0 1rem;
}

.page-home .modules__lede {
  max-width: 44ch;
  color: var(--mist);
  margin: 0 0 clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-home .module {
  border-top: 1px solid var(--hairline);
  padding: clamp(1.5rem, 3.2vw, 2.4rem) 0;
}

.page-home .module:last-child {
  border-bottom: 1px solid var(--hairline);
}

.page-home .module__main {
  max-width: 62ch;
}

.page-home .module__no {
  color: var(--cyan);
  display: block;
  margin-bottom: .7rem;
}

.page-home .module__title {
  margin: 0 0 .8rem;
  font-size: clamp(1.3rem, 2.8vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-home .module__desc {
  margin: 0 0 1rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .module__facts {
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .45rem;
}

.page-home .module__facts li {
  position: relative;
  padding-left: 1rem;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--mist);
  border-left: 2px solid rgba(47, 230, 214, .35);
}

.page-home .module__figure {
  margin: 1.25rem 0 0;
}

.page-home .module__figure .figure__frame {
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 3 / 2;
  clip-path: polygon(7% 0, 100% 0, 100% 90%, 0 100%);
}

.page-home .module__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .module__figure .figure__caption {
  margin-top: .6rem;
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--mist);
}

/* ---------- 本轮核定节奏 ---------- */
.page-home .cadence {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(3rem, 7vw, 5.5rem);
}

.page-home .cadence__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-home .cadence__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .13;
  filter: grayscale(.3);
}

.page-home .cadence__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 22, 42, .86), rgba(4, 22, 42, .96) 55%, rgba(10, 42, 70, .9));
}

.page-home .cadence__head {
  max-width: 58ch;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-home .cadence__head h2 {
  margin: .9rem 0 1rem;
}

.page-home .cadence__lede {
  color: var(--mist);
  margin: 0;
}

.page-home .cadence__steps {
  display: grid;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: cadence-step;
}

.page-home .cadence__step {
  position: relative;
  padding-top: 1.4rem;
  border-top: 2px solid rgba(47, 230, 214, .28);
}

.page-home .cadence__step-no {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-home .cadence__step-title {
  margin: .55rem 0 .45rem;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-home .cadence__step-text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .cadence__foot {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 站内索引入口 ---------- */
.page-home .index-hub {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 7vw, 5rem);
  background: var(--ink-900);
}

.page-home .index-hub__head {
  max-width: 60ch;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-home .index-hub__head h2 {
  margin: .9rem 0 1rem;
}

.page-home .index-hub__lede {
  color: var(--mist);
  margin: 0;
}

.page-home .index-hub__dims {
  display: grid;
  gap: 1px;
  margin: 0 0 clamp(1.75rem, 4vw, 2.5rem);
  padding: 0;
  list-style: none;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-home .index-hub__dim {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 92% 100%, 0 100%);
  transition: background .24s ease;
}

.page-home .index-hub__dim:hover {
  background: var(--ink-700);
}

.page-home .index-hub__dim-no {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-home .index-hub__dim-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-home .index-hub__dim-desc {
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .index-hub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}

/* ---------- 口径条 ---------- */
.page-home .trust {
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(3.5rem, 8vw, 6rem);
  background: var(--paper);
  color: var(--ink-black);
  clip-path: polygon(0 4%, 100% 0, 100% 100%, 0 100%);
}

.page-home .trust__inner {
  padding-top: clamp(1rem, 3vw, 2rem);
}

.page-home .trust__label {
  color: var(--ink-700);
  display: block;
  margin-bottom: 1rem;
}

.page-home .trust__title {
  margin: 0 0 1.1rem;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink-black);
  max-width: 24ch;
}

.page-home .trust__text {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 62ch;
}

.page-home .trust__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 0;
}

/* ---------- 中屏 ---------- */
@media (min-width: 720px) {
  .page-home .snapshot__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .cadence__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem 2.5rem;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-home .hero__inner {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr) minmax(280px, 350px);
    align-items: start;
    padding-bottom: clamp(4rem, 8vw, 7.5rem);
  }

  .page-home .hero__rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.1rem;
    padding-top: .4rem;
    border-left: 1px solid var(--hairline);
  }

  .page-home .hero__rail span {
    writing-mode: vertical-rl;
    font-size: var(--step--1);
    letter-spacing: .34em;
    color: var(--mist);
  }

  .page-home .hero__rail-no {
    font-family: var(--font-mono);
    color: var(--cyan) !important;
  }

  .page-home .hero__card {
    transform: translateY(clamp(2rem, 5vw, 4.5rem));
  }

  .page-home .hero__card:hover {
    border-color: var(--orange);
  }

  .page-home .module--media {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: clamp(1.5rem, 3vw, 2.75rem);
    align-items: center;
  }

  .page-home .module--media .module__figure {
    margin: 0;
  }

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

@media (min-width: 1024px) {
  .page-home .modules__grid {
    grid-template-columns: minmax(180px, 3fr) minmax(0, 9fr);
    gap: clamp(2rem, 4.5vw, 5rem);
    align-items: start;
  }

  .page-home .modules__aside {
    position: sticky;
    top: calc(var(--header-h) + 4.5rem);
  }

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

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .snap,
  .page-home .hero__card,
  .page-home .index-hub__dim,
  .page-home .page-toc__link {
    transition: none !important;
    transform: none !important;
  }
}