/* ============ 首页 page-home ============ */
.page-home {
  --home-line: #2A3240;
  --home-panel: #141922;
  --home-panel-soft: rgba(20, 25, 34, 0.86);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 52px 0 44px;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: -10% -14% auto -14%;
  z-index: -2;
  height: 86%;
  background:
    radial-gradient(120% 100% at 88% 4%, rgba(0, 229, 255, 0.16), transparent 58%),
    linear-gradient(132deg, #18202c 0%, #10161f 54%, var(--cg-ink) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 66%, 0 100%);
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -16%;
  right: -18%;
  width: min(76vw, 640px);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 36% 36%, rgba(212, 175, 55, 0.30), rgba(212, 175, 55, 0) 62%);
  pointer-events: none;
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-home .home-hero__kicker {
  color: var(--cg-cyan);
  letter-spacing: 0.18em;
}

.page-home .home-hero__title {
  font-family: var(--cg-serif);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cg-text-strong);
  margin: 16px 0 0;
  max-width: 15em;
}

.page-home .home-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-family: var(--cg-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--cg-text);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .home-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .home-hero__fact {
  background: rgba(11, 14, 20, 0.78);
  padding: 14px 16px;
}

.page-home .home-hero__fact dt {
  font-family: var(--cg-sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cg-text-dim);
}

.page-home .home-hero__fact dd {
  margin: 6px 0 0;
  font-size: 18px;
}

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

.page-home .home-hero__figure .cg-figure__media {
  border: 1px solid var(--home-line);
  box-shadow: 0 34px 78px -46px rgba(0, 0, 0, 0.92);
}

/* ---------- 四入口条带 ---------- */
.page-home .home-doors {
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
  background: var(--cg-ink);
}

.page-home .home-doors__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--home-line);
}

.page-home .home-doors__cell {
  display: flex;
}

.page-home .home-doors__link {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 28px;
  background: var(--cg-ink);
  color: inherit;
  text-decoration: none;
  transition: background 0.2s var(--cg-ease), box-shadow 0.2s var(--cg-ease);
}

.page-home .home-doors__link:hover,
.page-home .home-doors__link:focus-visible {
  background: var(--home-panel);
  box-shadow: inset 0 0 0 1px var(--cg-cyan);
  outline: none;
}

.page-home .home-doors__tag {
  color: var(--cg-text-dim);
}

.page-home .home-doors__name {
  font-family: var(--cg-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--cg-text-strong);
}

.page-home .home-doors__desc {
  font-family: var(--cg-sans);
  font-size: 14px;
  line-height: 1.75;
  color: var(--cg-text);
}

/* ---------- 档位刻度带 ---------- */
.page-home .home-ruler-section__head {
  margin-bottom: 8px;
}

.page-home .home-ruler {
  list-style: none;
  margin: 0;
  padding: 30px 2px 12px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 148px;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-ruler__cell {
  display: flex;
  scroll-snap-align: start;
}

.page-home .home-ruler__item {
  flex: 1 1 auto;
  display: grid;
  align-content: end;
  justify-items: start;
  gap: 8px;
  height: 220px;
  padding: 16px 14px;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(180deg, rgba(20, 25, 34, 0.18) 0%, rgba(20, 25, 34, 0.94) 100%);
  border: 1px solid var(--home-line);
  transition: border-color 0.2s var(--cg-ease), background 0.2s var(--cg-ease),
    transform 0.2s var(--cg-ease), box-shadow 0.2s var(--cg-ease);
}

.page-home .home-ruler__bar {
  justify-self: stretch;
  height: calc(var(--h, 40) * 1.15px);
  min-height: 14px;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, var(--cg-cyan) 0%, rgba(0, 229, 255, 0.06) 100%);
  transition: background 0.2s var(--cg-ease);
}

.page-home .home-ruler__pct {
  font-size: 22px;
}

.page-home .home-ruler__tag {
  font-family: var(--cg-sans);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cg-text-dim);
  transition: color 0.2s var(--cg-ease);
}

.page-home .home-ruler__item:hover,
.page-home .home-ruler__item:focus-visible {
  outline: none;
  border-color: var(--cg-gold);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.12) 0%, rgba(20, 25, 34, 0.96) 100%);
  box-shadow: 0 22px 48px -34px rgba(212, 175, 55, 0.7);
  transform: translateY(-4px);
}

.page-home .home-ruler__item:hover .home-ruler__bar,
.page-home .home-ruler__item:focus-visible .home-ruler__bar {
  background: linear-gradient(180deg, var(--cg-gold) 0%, rgba(212, 175, 55, 0.08) 100%);
}

.page-home .home-ruler__item:hover .home-ruler__tag,
.page-home .home-ruler__item:focus-visible .home-ruler__tag {
  color: var(--cg-text);
}

.page-home .home-ruler__note {
  margin: 18px 0 0;
  max-width: 70ch;
  font-family: var(--cg-sans);
  font-size: 15px;
  line-height: 1.85;
  color: var(--cg-text);
  border-left: 2px solid var(--cg-cyan);
  padding-left: 16px;
}

.page-home .home-ruler__figure {
  margin: 34px 0 0;
}

.page-home .home-ruler__figure .cg-figure__media {
  border: 1px solid var(--home-line);
}

/* ---------- 厂商生态 ---------- */
.page-home .home-vendors__grid {
  align-items: start;
}

.page-home .home-vendors__main {
  min-width: 0;
}

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

.page-home .home-vendors__fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px;
  background: var(--home-panel-soft);
}

.page-home .home-vendors__num {
  font-size: 30px;
  line-height: 1.1;
}

.page-home .home-vendors__label {
  font-family: var(--cg-sans);
  font-size: 13px;
  line-height: 1.65;
  color: var(--cg-text-dim);
}

.page-home .home-vendors__subtitle {
  font-family: var(--cg-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--cg-text-strong);
  margin: 40px 0 0;
}

.page-home .home-vendors__terms {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .home-vendors__term {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-vendors__term-no {
  font-size: 15px;
  color: var(--cg-cyan);
}

.page-home .home-vendors__term-text {
  font-family: var(--cg-sans);
  font-size: 15px;
  line-height: 1.8;
  color: var(--cg-text);
}

.page-home .home-vendors__cta-line {
  margin: 28px 0 0;
}

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

.page-home .home-vendors__figure .cg-figure__media {
  border: 1px solid var(--home-line);
}

/* ---------- 术语与工具 ---------- */
.page-home .home-support__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}

.page-home .home-support__col {
  background: var(--cg-ink);
  padding: 28px 22px 32px;
  min-width: 0;
}

.page-home .home-support__title {
  font-family: var(--cg-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cg-text-strong);
  margin: 12px 0 0;
}

.page-home .home-support__text {
  font-family: var(--cg-sans);
  font-size: 15px;
  line-height: 1.85;
  color: var(--cg-text);
  margin: 14px 0 0;
}

.page-home .home-support__text--tight {
  margin-top: 16px;
}

.page-home .home-support__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-home .home-support__list li {
  position: relative;
  padding: 10px 0 10px 20px;
  font-family: var(--cg-sans);
  font-size: 15px;
  line-height: 1.8;
  color: var(--cg-text);
  border-bottom: 1px solid rgba(42, 50, 64, 0.68);
}

.page-home .home-support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: 1px;
  background: var(--cg-cyan);
}

.page-home .home-support__col .cg-btn {
  margin-top: 26px;
}

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

.page-home .home-support__figure .cg-figure__media {
  border: 1px solid var(--home-line);
}

/* ---------- 更新记录长卷 ---------- */
.page-home .home-log__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--home-line);
  counter-reset: home-log;
}

.page-home .home-log__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 22px 0 24px 18px;
  border-bottom: 1px solid var(--home-line);
  border-left: 2px solid transparent;
  transition: border-color 0.24s var(--cg-ease), background 0.24s var(--cg-ease);
}

.page-home .home-log__item:hover {
  border-left-color: var(--cg-gold);
  background: rgba(20, 25, 34, 0.5);
}

.page-home .home-log__no {
  font-size: 14px;
  color: var(--cg-magenta);
  letter-spacing: 0.06em;
}

.page-home .home-log__title {
  font-family: var(--cg-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--cg-text-strong);
  margin: 0;
}

.page-home .home-log__body p {
  font-family: var(--cg-sans);
  font-size: 15px;
  line-height: 1.85;
  color: var(--cg-text);
  margin: 8px 0 0;
}

.page-home .home-log__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .home-hero {
    padding: 84px 0 68px;
  }

  .page-home .home-ruler {
    grid-auto-columns: auto;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    overflow-x: visible;
    padding-bottom: 4px;
  }

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

@media (min-width: 1024px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-home .home-hero__figure {
    transform: translateY(-14px) rotate(-1.4deg);
  }

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

  .page-home .home-log__item {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 1100px) {
  .page-home .home-doors__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-doors__link,
  .page-home .home-ruler__item,
  .page-home .home-ruler__bar,
  .page-home .home-ruler__tag,
  .page-home .home-log__item {
    transition: none;
  }

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

.page-home {
  --h: 1rem;
}