.page-home {
  background: var(--mist);
  color: var(--navy);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  overflow: hidden;
  background: var(--navy-deep);
  color: var(--mist);
  padding-block: clamp(24px, 3.4vw, 40px) clamp(48px, 7vw, 88px);
  border-bottom: var(--edge) solid var(--navy);
}

.page-home .hero__glow,
.page-home .hero__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-home .hero__glow {
  background:
    radial-gradient(115% 78% at 78% 26%, rgba(22, 224, 196, 0.17), transparent 62%),
    radial-gradient(90% 70% at 10% 86%, rgba(58, 46, 110, 0.55), transparent 72%);
}

.page-home .hero__scan {
  background: repeating-linear-gradient(
    to bottom,
    rgba(138, 148, 160, 0.1) 0 1px,
    transparent 1px 7px
  );
  animation: home-scan 12s linear infinite;
}

@keyframes home-scan {
  from { background-position: 0 0; }
  to { background-position: 0 84px; }
}

.page-home .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

.page-home .hero__crumb {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--steel);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
}

.page-home .hero__crumb a {
  color: var(--steel);
  text-decoration: none;
}

.page-home .hero__crumb a:hover,
.page-home .hero__crumb a:focus-visible {
  color: var(--cyan);
}

.page-home .hero__eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--brass);
}

.page-home .hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8vw, 76px);
  line-height: 0.98;
  letter-spacing: 0.03em;
}

.page-home .hero__title-sub {
  display: block;
  margin-top: 14px;
  font-size: clamp(17px, 2.1vw, 23px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  font-weight: 700;
  color: var(--cyan);
}

.page-home .hero__lead {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  max-width: 46ch;
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(245, 247, 249, 0.84);
}

.page-home .hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-home .hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 12px;
  border: 1px solid var(--line-steel-strong);
  background: rgba(7, 23, 38, 0.6);
}

.page-home .hero__chip-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-home .hero__chip-val {
  border: 0;
  background: var(--orange);
  color: var(--navy-deep);
  font-size: 13.5px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .hero__chip-val:hover,
.page-home .hero__chip-val:focus-visible {
  background: var(--cyan);
  color: var(--navy-deep);
}

.page-home .hero__toc {
  list-style: none;
  margin: clamp(30px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-steel);
  border: 1px solid var(--line-steel);
}

.page-home .hero__toc a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 14px;
  background: var(--navy-deep);
  color: var(--mist);
  text-decoration: none;
  font-size: 13px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .hero__toc .mono {
  color: var(--orange);
  font-size: 12px;
}

.page-home .hero__toc a:hover,
.page-home .hero__toc a:focus-visible {
  background: var(--cyan);
  color: var(--navy-deep);
}

.page-home .hero__toc a:hover .mono,
.page-home .hero__toc a:focus-visible .mono {
  color: var(--navy-deep);
}

.page-home .hero__visual {
  position: relative;
  min-height: 220px;
}

.page-home .hero__img {
  display: block;
  width: 100%;
  height: clamp(220px, 42vw, 420px);
  object-fit: cover;
  border: var(--edge) solid var(--line-steel-strong);
  box-shadow: var(--shadow-hard);
  filter: saturate(0.88);
}

.page-home .hero__dial {
  position: absolute;
  right: -4%;
  bottom: -10%;
  width: min(52%, 280px);
  height: auto;
  opacity: 0.92;
}

.page-home .dial-ring {
  fill: none;
  stroke: rgba(185, 154, 91, 0.6);
  stroke-width: 1;
}

.page-home .dial-ring--mid {
  stroke: var(--line-steel);
}

.page-home .dial-ticks {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-dasharray: 2 13.9;
  opacity: 0.85;
}

.page-home .dial-needle {
  stroke: var(--orange);
  stroke-width: 2.5;
  stroke-linecap: round;
}

.page-home .dial-hub {
  fill: var(--cyan);
}

/* ============ 章节骨架 ============ */
.page-home .section {
  padding-block: clamp(58px, 8vw, 104px);
}

.page-home .section--mist {
  background: var(--mist);
  color: var(--navy);
}

.page-home .section--indigo {
  background: var(--indigo);
  color: var(--mist);
}

.page-home .section--navy {
  background: var(--navy);
  color: var(--mist);
}

.page-home .section--last {
  padding-bottom: clamp(48px, 6vw, 80px);
}

.page-home .section__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: clamp(12px, 2vw, 22px);
  margin: 0 0 14px;
}

.page-home .section__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(52px, 9vw, 104px);
  line-height: 0.84;
  letter-spacing: 0.06em;
  color: var(--brass);
  opacity: 0.55;
}

.page-home .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.6vw, 42px);
  line-height: 1.14;
  letter-spacing: 0.02em;
}

.page-home .section__lead {
  max-width: 62ch;
  margin: 0 0 clamp(28px, 4vw, 44px);
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.82;
  opacity: 0.85;
}

/* ============ 01 常用入口 ============ */
.page-home .entries {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 24px);
}

.page-home .entry-col {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: var(--edge) solid var(--navy);
  box-shadow: var(--shadow-hard);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .entry-col::before {
  content: "";
  display: block;
  height: 6px;
  background: var(--teal);
}

.page-home .entry-col--violet::before {
  background: var(--violet);
}

.page-home .entry-col:hover,
.page-home .entry-col:focus-within {
  border-color: var(--cyan-deep);
  transform: translate(-2px, -2px);
}

.page-home .entry-col__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line-steel);
}

.page-home .entry-col__name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.page-home .entry-col__ver {
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  background: var(--navy-deep);
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.06em;
}

.page-home .entry-col__list {
  list-style: none;
  margin: 0;
  padding: 6px 0;
  flex: 1;
}

.page-home .entry-col__list li + li {
  border-top: 1px solid var(--line-steel);
}

.page-home .entry-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 18px;
  color: var(--navy);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.4;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .entry-link__ver {
  font-size: 11.5px;
  color: var(--steel);
  flex: none;
}

.page-home .entry-link:hover,
.page-home .entry-link:focus-visible {
  background: var(--navy);
  color: var(--mist);
}

.page-home .entry-link:hover .entry-link__ver,
.page-home .entry-link:focus-visible .entry-link__ver {
  color: var(--cyan);
}

/* ============ 02 版本速览 ============ */
.page-home .verfig {
  margin: 0 0 clamp(28px, 4vw, 44px);
}

.page-home .verfig .figure__frame {
  border: var(--edge) solid var(--line-steel-strong);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home .verfig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--steel);
}

.page-home .vercols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 26px);
}

.page-home .vercol {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 22px 22px 20px;
  background: rgba(245, 247, 249, 0.045);
  border: var(--edge) solid var(--line-steel-strong);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.38);
  outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .vercol::before {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  height: 6px;
  background: var(--teal);
}

.page-home .vercol--violet::before {
  background: var(--violet);
}

.page-home .vercol:hover,
.page-home .vercol:focus-within,
.page-home .vercol:focus {
  border-color: var(--cyan);
  box-shadow: 8px 8px 0 rgba(22, 224, 196, 0.24);
}

.page-home .vercol__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-home .vercol__name {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
}

.page-home .vercol__ver {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-deep);
  background: var(--orange);
  padding: 3px 9px;
  border-radius: 2px;
  letter-spacing: 0.06em;
}

.page-home .vercol__scene {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(245, 247, 249, 0.86);
}

.page-home .vercol__spec {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
  font-size: 13.5px;
  line-height: 1.6;
}

.page-home .vercol__spec dt {
  color: var(--cyan);
  font-weight: 700;
  white-space: nowrap;
}

.page-home .vercol__spec dd {
  margin: 0;
  color: rgba(245, 247, 249, 0.72);
}

.page-home .vercol__hint {
  margin: 18px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-home .vercol__more {
  max-height: 0;
  overflow: hidden;
  border-top: 1px solid transparent;
  transition: max-height 260ms var(--ease), border-color var(--dur) var(--ease);
}

.page-home .vercol:hover .vercol__more,
.page-home .vercol:focus-within .vercol__more,
.page-home .vercol:focus .vercol__more {
  max-height: 320px;
  border-top-color: var(--line-steel-strong);
}

.page-home .vercol__more-title {
  margin: 16px 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-home .vercol__list {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
  font-size: 13.5px;
  line-height: 1.7;
}

.page-home .vercol__list li {
  position: relative;
  padding-left: 16px;
  color: rgba(245, 247, 249, 0.82);
}

.page-home .vercol__list li + li {
  margin-top: 6px;
}

.page-home .vercol__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

/* ============ 03 大屏端 ============ */
.page-home .bs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}

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

.page-home .bs__figure .figure__frame {
  border: var(--edge) solid var(--navy);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home .bs__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .bs__ver {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-size: 13px;
}

.page-home .bs__ver .mono {
  color: var(--navy-deep);
  background: var(--orange);
  padding: 3px 10px;
  border-radius: 2px;
  font-weight: 700;
}

.page-home .bs__ver-share {
  color: var(--steel);
}

.page-home .bs__sub {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .bs__docs {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-top: 1px solid var(--line-steel);
}

.page-home .bs__docs li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-steel);
  font-size: 15px;
  line-height: 1.5;
  transition: color var(--dur) var(--ease);
}

.page-home .bs__docs li:hover {
  color: var(--cyan-deep);
}

.page-home .bs__docs-num {
  font-size: 12px;
  color: var(--orange);
  flex: none;
}

.page-home .bs__faq {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}

.page-home .bs__faq li {
  padding: 14px 0 14px 16px;
  border-left: var(--edge) solid var(--teal);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-home .bs__faq li + li {
  margin-top: 12px;
}

.page-home .bs__faq strong {
  display: block;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 4px;
}

.page-home .bs__cta {
  display: inline-block;
}

/* ============ 04 索引节奏 ============ */
.page-home .index-lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 32px);
  margin-bottom: clamp(30px, 4vw, 46px);
}

.page-home .index-date {
  border: var(--edge) solid var(--line-steel-strong);
  background: rgba(7, 23, 38, 0.62);
  padding: 0;
}

.page-home .index-date summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-home .index-date summary::-webkit-details-marker {
  display: none;
}

.page-home .index-date__key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-home .index-date__val {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-home .index-date__toggle {
  margin-left: auto;
  font-size: 12px;
  color: var(--cyan);
}

.page-home .index-date__panel {
  border-top: 1px solid var(--line-steel-strong);
  padding: 16px 20px 20px;
}

.page-home .index-date__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(245, 247, 249, 0.82);
}

.page-home .index-lead__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 247, 249, 0.82);
  border-left: var(--edge) solid var(--cyan);
  padding-left: 18px;
}

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

.page-home .rhythm__step {
  background: var(--navy);
  padding: 22px 20px;
  transition: background var(--dur) var(--ease);
}

.page-home .rhythm__step:hover {
  background: var(--indigo);
}

.page-home .rhythm__mark {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-home .rhythm__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-home .rhythm__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 247, 249, 0.74);
}

/* ============ 05 下一步 ============ */
.page-home .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

.page-home .next-card {
  display: block;
  padding: 22px 22px 20px;
  background: var(--white);
  border: var(--edge) solid var(--navy);
  box-shadow: 6px 6px 0 rgba(10, 31, 51, 0.14);
  color: var(--navy);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .next-card:hover,
.page-home .next-card:focus-visible {
  border-color: var(--cyan-deep);
  box-shadow: 8px 8px 0 rgba(11, 143, 124, 0.3);
  transform: translate(-2px, -2px);
}

.page-home .next-card__tag {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--steel);
  margin-bottom: 12px;
}

.page-home .next-card__title {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.3;
}

.page-home .next-card__text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-home .next-card__go {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
}

.page-home .next-strip {
  margin: clamp(26px, 3.6vw, 38px) 0 0;
  padding: 18px 20px;
  border-left: var(--edge) solid var(--brass);
  background: rgba(10, 31, 51, 0.05);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .next-strip a {
  color: var(--cyan-deep);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(11, 143, 124, 0.35);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .next-strip a:hover,
.page-home .next-strip a:focus-visible {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

/* ============ 收尾视觉 ============ */
.page-home .closing {
  display: block;
  line-height: 0;
  border-top: var(--edge) solid var(--navy);
}

.page-home .closing img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-home .hero__toc {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
  }

  .page-home .hero__copy {
    padding-bottom: 12px;
  }

  .page-home .bs {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-home .index-lead {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1060px) {
  .page-home .entries {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__scan {
    animation: none;
  }

  .page-home .entry-col,
  .page-home .vercol,
  .page-home .next-card,
  .page-home .vercol__more {
    transition: none;
  }
}