.page-home {
  --home-gap: clamp(16px, 2.4vw, 28px);
  --home-line: rgba(29, 58, 95, 0.85);
  --home-line-soft: rgba(29, 58, 95, 0.45);
}

/* ---------- 首屏 ---------- */

.page-home .home__crumb {
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-home .hero {
  position: relative;
  padding: clamp(52px, 9vw, 104px) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: -25% -15% auto -35%;
  height: 130%;
  background:
    radial-gradient(58% 52% at 20% 26%, rgba(34, 230, 211, 0.14), transparent 68%),
    radial-gradient(46% 46% at 84% 66%, rgba(255, 93, 58, 0.13), transparent 70%);
  pointer-events: none;
}

.page-home .hero__grid {
  position: relative;
  display: grid;
  gap: var(--home-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-home .hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.25rem, 8.4vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.045em;
  color: var(--foam);
  text-wrap: balance;
}

.page-home .hero__lede {
  max-width: 48ch;
  margin: 0 0 26px;
  font-size: clamp(0.9375rem, 2.1vw, 1.0625rem);
  line-height: 1.8;
  color: var(--ink);
}

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

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

.page-home .hero__fig .fig__frame {
  border: 2px solid var(--blueprint);
  box-shadow: 12px 12px 0 rgba(5, 11, 26, 0.72);
  background: var(--hull);
}

.page-home .hero__tiles {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .tile {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 12px 0 12px 14px;
  border-left: 2px solid var(--blueprint);
}

.page-home .tile__k {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-home .tile__k em {
  margin-left: 2px;
  font-style: normal;
  font-size: 0.48em;
  color: var(--cyan);
}

.page-home .tile__v {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--steel);
}

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    grid-template-areas:
      "main fig"
      "tiles fig";
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
    row-gap: clamp(24px, 3vw, 36px);
  }

  .page-home .hero__main { grid-area: main; }
  .page-home .hero__fig { grid-area: fig; }
  .page-home .hero__tiles { grid-area: tiles; }
}

/* ---------- 三类场景 ---------- */

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

.page-home .scene {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 3px solid var(--cyan);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-home .scene:nth-child(1) { border-top-color: var(--coral); }
.page-home .scene:nth-child(2) { border-top-color: var(--cyan); }
.page-home .scene:nth-child(3) { border-top-color: var(--lime); }

.page-home .scene:hover {
  transform: translateY(-6px);
}

.page-home .scene__link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--coral);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-home .scene__link:hover {
  color: var(--lime);
  transform: translateX(4px);
}

@media (min-width: 880px) {
  .page-home .scenes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 24px;
  }

  .page-home .scene:nth-child(2) { margin-top: 44px; }
  .page-home .scene:nth-child(3) { margin-top: 88px; }
}

/* ---------- 步骤轨道 ---------- */

.page-home .flow__fig {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-home .flow__fig .fig__frame {
  border: 2px solid var(--blueprint);
  box-shadow: 10px 10px 0 rgba(5, 11, 26, 0.66);
  background: var(--hull);
}

.page-home .flow__steps {
  border-top: 1px solid var(--home-line);
}

.page-home .flow__steps .steps__item {
  border-left: 2px solid var(--home-line-soft);
  transition: border-color 0.2s ease;
}

.page-home .flow__steps .steps__item[data-open] {
  border-left-color: var(--lime);
}

/* ---------- 稳定版能力 ---------- */

.page-home .stable {
  position: relative;
  overflow: hidden;
}

.page-home .stable::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--home-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-line-soft) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent);
  pointer-events: none;
}

.page-home .stable__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

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

.page-home .stable__fig .fig__frame {
  border: 2px solid var(--blueprint);
  box-shadow: 10px 10px 0 rgba(5, 11, 26, 0.66);
  background: var(--hull);
}

.page-home .stable__list {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  border-top: 1px solid var(--home-line);
}

.page-home .stable__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--home-line);
}

.page-home .stable__row dt {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .stable__row dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink);
}

@media (min-width: 640px) {
  .page-home .stable__row {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-home .stable__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
  }
}

/* ---------- 专题与更新 ---------- */

.page-home .topics__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .topic {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .topic--pic {
  min-height: 220px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 2px solid var(--blueprint);
  background: var(--hull);
  box-shadow: 10px 10px 0 rgba(5, 11, 26, 0.66);
}

.page-home .topic--pic .fig__frame {
  height: 100%;
  border: 0;
}

.page-home .topic--pic .fig__img {
  height: 100%;
  object-fit: cover;
}

.page-home .topic--lead {
  border-color: var(--coral);
  background:
    linear-gradient(142deg, rgba(255, 93, 58, 0.2), rgba(10, 24, 48, 0.92) 62%),
    var(--buoy);
}

.page-home .topic__link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-home .topic__link:hover {
  color: var(--lime);
  transform: translateX(4px);
}

@media (min-width: 820px) {
  .page-home .topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-areas:
      "pic lead lead"
      "pic a b";
    gap: 20px;
  }

  .page-home .topic--pic { grid-area: pic; }
  .page-home .topic--lead { grid-area: lead; }
  .page-home .topic--a { grid-area: a; }
  .page-home .topic--b { grid-area: b; }
}

/* ---------- 客户中心浮标 ---------- */

.page-home .center-cta__inner {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5.5vw, 56px);
  border: 2px solid var(--blueprint);
  background: var(--buoy);
  box-shadow: 14px 14px 0 rgba(5, 11, 26, 0.8);
}

.page-home .center-cta__inner::before {
  content: "";
  position: absolute;
  top: -45%;
  right: -12%;
  width: 62%;
  height: 190%;
  transform: rotate(18deg);
  background: linear-gradient(90deg, transparent, rgba(255, 93, 58, 0.24), transparent);
  pointer-events: none;
}

.page-home .center-cta__title {
  position: relative;
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 5.4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--foam);
}

.page-home .center-cta__text {
  position: relative;
  max-width: 58ch;
  margin: 0 0 24px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .center-cta__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .center-cta__note {
  position: relative;
  margin: 24px 0 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--steel);
}

/* ---------- 动效兼容 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .scene,
  .page-home .scene__link,
  .page-home .topic__link,
  .page-home .flow__steps .steps__item {
    transition: none;
  }

  .page-home .scene:hover,
  .page-home .scene__link:hover,
  .page-home .topic__link:hover {
    transform: none;
  }
}