.page-home {
  --home-gap: clamp(1rem, 2.2vw, 1.75rem);
  --home-breath: clamp(3.25rem, 8vw, 6.5rem);
  --home-card-bg: linear-gradient(180deg, rgba(15, 42, 68, 0.72), rgba(10, 13, 18, 0.62));
}

/* ---------- reveal / spine（渐进增强） ---------- */
.js .page-home [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}
.js .page-home [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.js .page-home [data-reveal-group] [data-reveal]:nth-child(2) {
  transition-delay: 60ms;
}
.js .page-home [data-reveal-group] [data-reveal]:nth-child(3) {
  transition-delay: 120ms;
}
.js .page-home [data-reveal-group] [data-reveal]:nth-child(4) {
  transition-delay: 180ms;
}

.page-home .section__head {
  position: relative;
  padding-left: clamp(0.9rem, 2.4vw, 1.6rem);
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}
.page-home .section__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 1px;
  background: linear-gradient(180deg, var(--neon), rgba(53, 230, 210, 0));
  transform-origin: top center;
  transform: scaleY(1);
  transition: transform 0.7s var(--ease);
}
.js .page-home .section__head::before {
  transform: scaleY(0);
}
.js .page-home .section__head.is-visible::before {
  transform: scaleY(1);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(2.5rem, 6.5vw, 4.75rem) clamp(3rem, 7.5vw, 5.75rem);
  background: var(--deep-sea);
}

.page-home .home-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.6;
}
.page-home .home-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

.page-home .home-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(88% 68% at 6% 0%, rgba(46, 127, 212, 0.34), transparent 62%),
    radial-gradient(64% 56% at 92% 8%, rgba(53, 230, 210, 0.16), transparent 64%),
    linear-gradient(180deg, rgba(6, 26, 46, 0.74) 0%, rgba(6, 26, 46, 0.9) 56%, #061A2E 100%);
}

.page-home .home-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.55;
  pointer-events: none;
}
.page-home .home-hero__grid line {
  stroke: rgba(147, 166, 186, 0.14);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.page-home .home-hero__shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .home-hero__rail {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.14em;
  color: var(--slate);
}
.page-home .home-hero__rail-value {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold);
}
.page-home .home-hero__rail-note {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--slate);
}

.page-home .home-hero__main {
  max-width: 46rem;
}

.page-home .home-hero__title {
  margin: 0.6rem 0 0;
  font-size: clamp(2.4rem, 7.6vw, 5.25rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--mist);
}
.page-home .home-hero__title em {
  font-style: normal;
  color: var(--gold);
}

.page-home .home-hero__lead {
  margin-top: clamp(1.1rem, 2.6vw, 1.75rem);
  max-width: 34rem;
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  line-height: 1.78;
  color: rgba(233, 239, 246, 0.82);
}

.page-home .home-hero__actions {
  margin-top: clamp(1.6rem, 3.4vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.page-home .home-hero__side {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(1.15rem, 2.4vw, 1.5rem);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(15, 42, 68, 0.88), rgba(10, 13, 18, 0.84));
  box-shadow: var(--shadow-soft);
}
.page-home .home-hero__side-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}
.page-home .home-hero__side-body {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(233, 239, 246, 0.78);
}
.page-home .home-hero__side-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

@media (min-width: 980px) {
  .page-home .home-hero__shell {
    grid-template-columns: 78px minmax(0, 1fr) minmax(240px, 274px);
    gap: clamp(1.5rem, 3.2vw, 3rem);
    align-items: start;
  }
  .page-home .home-hero__rail {
    height: 100%;
    padding-left: 1rem;
    padding-top: 0.4rem;
    border-left: 1px solid var(--line-2);
  }
  .page-home .home-hero__side {
    position: sticky;
    top: calc(var(--topbar-h) + 1.5rem);
  }
}

/* ---------- 三条路径 ---------- */
.page-home .home-paths__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .home-path {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: flex-start;
  padding: clamp(1.3rem, 2.6vw, 1.9rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--home-card-bg);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.page-home .home-path::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, transparent 50%, rgba(53, 230, 210, 0.22) 50%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}
.page-home .home-path:hover,
.page-home .home-path:focus-within {
  border-color: var(--line-neon);
  transform: translateY(-2px);
  box-shadow: 0 24px 46px -32px rgba(53, 230, 210, 0.6);
}
.page-home .home-path .card__title {
  font-size: clamp(1.1rem, 1.9vw, 1.35rem);
  line-height: 1.42;
}
.page-home .home-path .card__body {
  font-size: 15px;
  line-height: 1.76;
  color: rgba(233, 239, 246, 0.78);
}
.page-home .home-path__link {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 14px;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.34);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.page-home .home-path__link:hover {
  border-color: var(--neon);
  color: var(--mist);
}

@media (min-width: 780px) {
  .page-home .home-paths__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: clamp(1rem, 2.4vw, 2rem);
  }
  .page-home .home-path:nth-child(2) {
    margin-top: clamp(0.75rem, 1.8vw, 1.5rem);
  }
  .page-home .home-path:nth-child(3) {
    margin-top: clamp(1.5rem, 3.6vw, 3rem);
  }
}

/* ---------- 目录三块 ---------- */
.page-home .home-catalog__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .home-catalog__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.page-home .tabs__tab {
  appearance: none;
  font: inherit;
  font-size: 13.5px;
  line-height: 1.4;
  padding: 0.62rem 1rem;
  color: var(--slate);
  background: rgba(15, 42, 68, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-home .tabs__tab:hover {
  color: var(--mist);
  border-color: var(--line-2);
}
.page-home .tabs__tab[aria-selected="true"] {
  color: var(--mist);
  border-color: var(--line-neon);
  background: rgba(53, 230, 210, 0.1);
  box-shadow: inset 0 0 0 1px rgba(53, 230, 210, 0.16);
}
.page-home .tabs__tab:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-home .tabs__panels {
  padding-top: clamp(1.25rem, 2.6vw, 1.9rem);
}
.page-home .tabs__panel[hidden] {
  display: none;
}
.page-home .tabs__panel:focus-visible {
  outline: 2px solid var(--line-neon);
  outline-offset: 4px;
}

.page-home .home-catalog__panel-title {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 800;
  line-height: 1.36;
  color: var(--mist);
}
.page-home .home-catalog__panel-text {
  margin-top: 0.85rem;
  max-width: 40rem;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(233, 239, 246, 0.8);
}
.page-home .home-catalog__list {
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  max-width: 40rem;
}
.page-home .home-catalog__list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(233, 239, 246, 0.74);
}
.page-home .home-catalog__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 6px;
  height: 6px;
  border: 1px solid var(--neon);
  border-radius: 1px;
}
.page-home .home-catalog__link {
  display: inline-block;
  margin-top: 1.35rem;
  padding-bottom: 0.2rem;
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 193, 78, 0.4);
  transition: border-color 0.2s var(--ease);
}
.page-home .home-catalog__link:hover {
  border-color: var(--gold);
}

.page-home .home-catalog__figure .figure__caption {
  color: var(--slate);
}

@media (min-width: 1000px) {
  .page-home .home-catalog__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4.5vw, 3.5rem);
  }
  .page-home .home-catalog__figure {
    position: sticky;
    top: calc(var(--topbar-h) + 2rem);
  }
}

/* ---------- 版本 ---------- */
.page-home .home-version {
  position: relative;
  background: linear-gradient(180deg, rgba(10, 13, 18, 0.9), rgba(6, 26, 46, 0.9));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .home-version__shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-home .home-version__text .section__head {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-home .home-metrics {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-home .home-metric {
  padding: clamp(1rem, 2.2vw, 1.4rem);
  background: rgba(15, 42, 68, 0.66);
}
.page-home .home-metric__label {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--slate);
}
.page-home .home-metric__value {
  margin: 0.5rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
}
.page-home .home-metric__num {
  color: var(--gold);
}

.page-home .home-version__note {
  margin-top: 1.35rem;
  max-width: 42rem;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate);
}

@media (min-width: 1000px) {
  .page-home .home-version__shell {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(2.25rem, 5vw, 4rem);
  }
  .page-home .home-version__figure {
    margin-top: 1.5rem;
  }
}

/* ---------- 熟客直进 ---------- */
.page-home .home-return__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}
.page-home .home-return__intro .section__head {
  margin-bottom: 0;
}

.page-home .home-return__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-home .home-return__item {
  border-bottom: 1px solid var(--line);
}
.page-home .home-return__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.9rem;
  padding: clamp(1rem, 2.2vw, 1.35rem) 0.5rem;
  text-decoration: none;
  transition: background 0.22s var(--ease), padding-left 0.22s var(--ease);
}
.page-home .home-return__link:hover {
  background: rgba(53, 230, 210, 0.06);
  padding-left: 0.9rem;
}
.page-home .home-return__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
}
.page-home .home-return__label {
  font-size: clamp(0.98rem, 1.6vw, 1.12rem);
  font-weight: 600;
  color: var(--mist);
}
.page-home .home-return__hint {
  font-size: 12.5px;
  color: var(--slate);
  white-space: nowrap;
}

@media (min-width: 900px) {
  .page-home .home-return__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }
}

/* ---------- 继续了解 ---------- */
.page-home .home-more__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}
.page-home .home-more_card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: flex-start;
  padding: clamp(1.35rem, 2.8vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--home-card-bg);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.page-home .home-more_card:hover {
  border-color: var(--line-neon);
  transform: translateY(-2px);
}
.page-home .home-more_card .card__title {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}
.page-home .home-more_card .card__body {
  font-size: 15px;
  line-height: 1.78;
  color: rgba(233, 239, 246, 0.78);
}
.page-home .home-more__go {
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: 13.5px;
  color: var(--neon);
  border-bottom: 1px solid rgba(53, 230, 210, 0.34);
}

@media (min-width: 820px) {
  .page-home .home-more__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.25rem, 2.6vw, 2rem);
  }
}

/* ---------- 情绪区 ---------- */
.page-home .home-horizon {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: var(--home-breath);
  padding-block: clamp(3rem, 7vw, 5.5rem);
  background: var(--obsidian);
  border-top: 1px solid var(--line);
}
.page-home .home-horizon__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.42;
}
.page-home .home-horizon__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-home .home-horizon::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(10, 13, 18, 0.84) 0%, rgba(6, 26, 46, 0.9) 100%);
}
.page-home .home-horizon__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: end;
}
.page-home .home-horizon__copy {
  max-width: 40rem;
}
.page-home .home-horizon__title {
  margin: 0.5rem 0 0;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--mist);
}
.page-home .home-horizon__text {
  margin-top: 1rem;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(233, 239, 246, 0.8);
}
.page-home .home-horizon__stats {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: clamp(1rem, 2.4vw, 1.75rem);
  border-top: 1px solid var(--line-2);
  padding-top: clamp(1.25rem, 2.6vw, 1.75rem);
}
.page-home .home-horizon__stats .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 600;
  color: var(--gold);
  letter-spacing: -0.01em;
}
.page-home .home-horizon__stats .stat__label {
  display: block;
  margin-top: 0.45rem;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

@media (min-width: 940px) {
  .page-home .home-horizon__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .js .page-home [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .js .page-home .section__head::before {
    transform: scaleY(1);
  }
  .page-home .home-path,
  .page-home .home-more_card,
  .page-home .home-return__link {
    transition: none;
  }
  .page-home .home-path:hover,
  .page-home .home-more_card:hover {
    transform: none;
  }
}