.page-home {
  --home-arc: rgba(53, 224, 208, 0.24);
  --home-gold-line: rgba(242, 163, 60, 0.34);
  --home-panel: rgba(5, 7, 15, 0.66);
  display: block;
  background: var(--ink);
  color: var(--silver);
}

/* ---------- 首屏封面 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: 68px 0 56px;
  background:
    radial-gradient(120% 96% at 82% -12%, rgba(74, 58, 140, 0.58), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  border-bottom: 1px solid var(--line);
}

.page-home .hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 7, 15, 0.5) 0%, rgba(5, 7, 15, 0.86) 78%, var(--ink-deep) 100%),
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px 96px);
}

.page-home .hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 40px;
}

.page-home .hero__coord {
  margin: 0 0 22px;
}

.page-home .hero__title {
  margin: 0 0 20px;
  font-family: var(--font-narrow);
  font-size: clamp(30px, 8.2vw, 52px);
  line-height: 1.22;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: var(--silver);
}

.page-home .hero__title-em {
  display: inline-block;
  color: var(--cyan);
  font-weight: 700;
}

.page-home .hero__sub {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(232, 236, 245, 0.82);
}

.page-home .hero__meta {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-home .hero__index {
  display: grid;
  gap: 12px;
}

.page-home .index-card {
  position: relative;
  display: block;
  padding: 18px 18px 20px;
  background: var(--home-panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--nebula);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease-track), background var(--dur) var(--ease-track), transform var(--dur) var(--ease-track);
}

.page-home .index-card:hover,
.page-home .index-card:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(74, 58, 140, 0.24);
  transform: translateX(4px);
}

.page-home .index-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-home .index-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.page-home .index-card__code {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-home .index-card__go {
  font-size: 14px;
  color: var(--slate);
}

.page-home .index-card__title {
  display: block;
  font-family: var(--font-narrow);
  font-size: 20px;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: var(--silver);
  margin-bottom: 8px;
}

.page-home .index-card__desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(232, 236, 245, 0.66);
}

/* ---------- 四轨道 ---------- */
.page-home .orbits__figure {
  margin: 32px 0 8px;
  position: relative;
}

.page-home .orbits__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(0.9) contrast(1.02);
}

.page-home .orbits__figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-home .orbits__tabs {
  margin-top: 36px;
}

.page-home .orbits__tablist {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-home .orbits__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--slate);
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: color var(--dur) var(--ease-track), border-color var(--dur) var(--ease-track);
}

.page-home .orbits__tab-code {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: inherit;
  opacity: 0.76;
}

.page-home .orbits__tab:hover {
  color: var(--cyan);
}

.page-home .orbits__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

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

.page-home .orbits__tab[aria-selected="true"] .orbits__tab-code {
  color: var(--cyan);
  opacity: 1;
}

.page-home .orbits__panel {
  padding: 26px 0 4px;
  max-width: 62ch;
}

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

.page-home .orbits__panel-title {
  margin: 0 0 12px;
  font-family: var(--font-narrow);
  font-size: 21px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--silver);
}

.page-home .orbits__panel p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 236, 245, 0.78);
}

.page-home .orbits__panel-fit {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13.5px !important;
  color: var(--slate) !important;
}

.page-home .orbits__panel-fit .mono {
  color: var(--cyan);
  letter-spacing: 0.12em;
  font-size: 12px;
}

.page-home .orbits__panel-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 15px;
  letter-spacing: 0.03em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--home-arc);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease-track), color var(--dur) var(--ease-track);
}

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

/* ---------- V3.1 升级 ---------- */
.page-home .v31 {
  background:
    radial-gradient(90% 70% at 0% 110%, rgba(74, 58, 140, 0.28), transparent 58%),
    var(--ink-deep);
}

.page-home .v31__grid {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

.page-home .v31__cell {
  position: relative;
  padding: 24px 22px 26px;
  background: rgba(11, 16, 38, 0.72);
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease-track);
}

.page-home .v31__cell:hover {
  border-color: var(--line-strong);
}

.page-home .v31__cell--wide {
  border-left: 2px solid var(--nebula);
}

.page-home .v31__cell-title {
  margin: 12px 0 10px;
  font-family: var(--font-narrow);
  font-size: 19px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--silver);
}

.page-home .v31__cell p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(232, 236, 245, 0.74);
}

.page-home .v31__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--home-arc);
}

.page-home .v31__link:hover,
.page-home .v31__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 三步路线 ---------- */
.page-home .steps {
  background: var(--ink);
}

.page-home .steps__wrap {
  display: grid;
  gap: 36px;
}

.page-home .steps__intro .btn {
  margin-top: 8px;
}

.page-home .steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-home .step {
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 22px 0 22px 0;
  border-top: 1px solid var(--line);
}

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

.page-home .step__no {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-home .step__title {
  margin: 0 0 8px;
  font-family: var(--font-narrow);
  font-size: 18px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--silver);
}

.page-home .step__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(232, 236, 245, 0.72);
}

.page-home .steps__figure {
  margin: 36px 0 0;
}

.page-home .steps__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-home .steps__figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 家庭场景 ---------- */
.page-home .family {
  background:
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line);
}

.page-home .family__grid {
  display: grid;
  gap: 30px;
}

.page-home .family__greet p {
  margin: 0 0 20px;
  max-width: 44ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(232, 236, 245, 0.78);
}

.page-home .family__scenes {
  display: grid;
  gap: 14px;
}

.page-home .scene {
  padding: 22px 20px;
  background: rgba(74, 58, 140, 0.16);
  border: 1px solid rgba(74, 58, 140, 0.5);
  border-top: 2px solid var(--nebula);
}

.page-home .scene__code {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .scene__title {
  margin: 10px 0 8px;
  font-family: var(--font-narrow);
  font-size: 17.5px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--silver);
}

.page-home .scene p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 236, 245, 0.72);
}

.page-home .family__note {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-home .family__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--home-arc);
}

.page-home .family__note a:hover,
.page-home .family__note a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 企业对接锚点 ---------- */
.page-home .enterprise {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--home-gold-line);
  background:
    radial-gradient(90% 130% at 100% 108%, rgba(242, 163, 60, 0.2), transparent 62%),
    radial-gradient(70% 100% at 6% -20%, rgba(74, 58, 140, 0.46), transparent 60%),
    var(--ink-deep);
}

.page-home .enterprise__inner {
  display: grid;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.page-home .enterprise__copy p {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(232, 236, 245, 0.8);
}

.page-home .enterprise__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--home-gold-line);
  background: var(--home-gold-line);
}

.page-home .enterprise__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(5, 7, 15, 0.88);
  font-size: 15px;
  color: var(--silver);
}

.page-home .enterprise__list .mono {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .enterprise__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 18px;
  margin-bottom: 20px;
  background: rgba(5, 7, 15, 0.7);
  border: 1px solid var(--line-strong);
}

.page-home .enterprise__contact-label {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-home .enterprise__contact-value {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--silver);
  word-break: break-all;
}

.page-home .enterprise__copy {
  margin-left: auto;
}

.page-home .enterprise__cta {
  letter-spacing: 0.04em;
}

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

.page-home .enterprise__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--home-gold-line);
}

.page-home .enterprise__figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 更新与答疑 ---------- */
.page-home .updates {
  background: var(--fog);
  color: var(--ink);
}

.page-home .updates .eyebrow {
  color: var(--nebula);
}

.page-home .updates .section__title {
  color: var(--ink);
}

.page-home .updates__grid {
  display: grid;
  gap: 34px;
  margin-top: 32px;
}

.page-home .updates__col-title {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-narrow);
  font-size: 17px;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-home .updates__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-home .note-item {
  display: grid;
  gap: 8px;
}

.page-home .note-item__tag {
  justify-self: start;
}

.page-home .note-item__link {
  font-family: var(--font-narrow);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 16, 38, 0.28);
  transition: color var(--dur) var(--ease-track), border-color var(--dur) var(--ease-track);
}

.page-home .note-item__link:hover,
.page-home .note-item__link:focus-visible {
  color: var(--nebula);
  border-bottom-color: var(--nebula);
}

.page-home .note-item__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #4a5473;
}

.page-home .updates__more {
  display: inline-block;
  font-size: 14.5px;
  letter-spacing: 0.03em;
  color: var(--nebula);
  text-decoration: none;
  border-bottom: 1px solid rgba(74, 58, 140, 0.4);
  padding-bottom: 2px;
}

.page-home .updates__more:hover,
.page-home .updates__more:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-home .hero {
    padding: 92px 0 84px;
  }

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

  .page-home .hero__inner {
    gap: 52px;
  }

  .page-home .v31__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .v31__cell--wide {
    grid-column: 1 / -1;
  }

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

  .page-home .steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }

  .page-home .step {
    grid-template-columns: 1fr;
    gap: 10px;
    border-top: 2px solid var(--line-strong);
    border-bottom: 0 !important;
    padding: 22px 0 6px;
  }

  .page-home .enterprise__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 44px;
  }

  .page-home .updates__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .page-home .hero {
    padding: 108px 0 96px;
  }

  .page-home .hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(300px, 4fr);
    align-items: center;
    gap: 64px;
  }

  .page-home .hero__index {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .page-home .hero__sub {
    font-size: 18px;
  }

  .page-home .steps__wrap {
    grid-template-columns: minmax(260px, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .steps__intro {
    position: sticky;
    top: 40px;
  }

  .page-home .steps__figure {
    margin-top: 52px;
  }

  .page-home .family__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-home .orbits__panel-title {
    font-size: 23px;
  }

  .page-home .step__title {
    font-size: 19px;
  }
}

@media (min-width: 1280px) {
  .page-home .v31__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-home .v31__cell--wide {
    grid-column: span 7;
  }

  .page-home .v31__cell:not(.v31__cell--wide) {
    grid-column: span 5;
  }

  .page-home .v31__grid > .v31__cell--wide ~ .v31__cell:not(.v31__cell--wide) {
    grid-column: span 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index-card,
  .page-home .orbits__tab,
  .page-home .v31__cell,
  .page-home .note-item__link {
    transition: none;
  }

  .page-home .index-card:hover,
  .page-home .index-card:focus-visible {
    transform: none;
  }
}