.page-home {
  --home-soft: #46606F;
  --home-gutter: clamp(18px, 4vw, 40px);
  --home-rule: 1px solid var(--line-dark);
  position: relative;
  background: var(--ink);
  color: var(--mist);
  overflow-x: clip;
  font-family: var(--sans);
}

.page-home .crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--fog);
}

.page-home .crumb .crumb__sep {
  color: var(--amber);
}

.page-home .section {
  position: relative;
  padding: clamp(56px, 8vw, 122px) 0;
}

.page-home .h2 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.18;
  letter-spacing: -.012em;
  margin: 0 0 16px;
  color: inherit;
}

.page-home .h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-home .chapter-num {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--amber);
  margin: 0 0 16px;
}

.page-home .sec-head {
  position: relative;
  padding-left: 20px;
  border-left: 2px solid var(--amber);
  margin-bottom: clamp(30px, 5vw, 58px);
  max-width: 720px;
}

.page-home .sec-head__lede {
  margin: 0;
  color: var(--haze);
}

/* ---------- 首屏：斜切叠层 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 6vw, 78px) 0 clamp(48px, 7vw, 104px);
  background:
    radial-gradient(110% 80% at 88% 4%, rgba(53, 208, 165, .10), transparent 58%),
    radial-gradient(90% 70% at 4% 96%, rgba(242, 160, 61, .09), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  border-bottom: var(--home-rule);
}

.page-home .hero__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(180deg, rgba(201, 214, 220, .05) 0 1px, transparent 1px 5px);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 82%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 82%);
}

.page-home .hero__grid {
  position: relative;
  display: grid;
  gap: clamp(34px, 5vw, 64px);
  align-items: center;
}

.page-home .hero__title {
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(42px, 10.5vw, 92px);
  line-height: 1;
  letter-spacing: -.028em;
  margin: 0 0 22px;
  color: var(--mist);
}

.page-home .hero__lede {
  max-width: 40em;
  margin: 0 0 30px;
  color: var(--haze);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.95;
}

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

.page-home .hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 16px 12px;
  margin: 36px 0 0;
  padding-top: 22px;
  border-top: var(--home-rule);
}

.page-home .hero__meta dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--fog);
  margin: 0 0 7px;
}

.page-home .hero__meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--mist);
}

.page-home .hero__visual {
  position: relative;
  isolation: isolate;
}

.page-home .hero__visual::before {
  content: "";
  position: absolute;
  inset: 9% -6% -9% 6%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(242, 160, 61, .26), rgba(53, 208, 165, .13) 68%, transparent);
  clip-path: polygon(0 15%, 100% 0, 100% 85%, 0 100%);
}

.page-home .slice {
  position: relative;
  z-index: 2;
  margin: 0;
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 6%, 100% 0, 100% 93%, 0 100%);
  box-shadow: 0 32px 72px rgba(3, 10, 18, .58);
}

.page-home .slice__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.9) contrast(1.03) brightness(.94);
}

.page-home .hero__mist {
  position: absolute;
  z-index: 3;
  right: -9%;
  bottom: -13%;
  width: 58%;
  max-width: 360px;
  height: auto;
  opacity: .12;
  mix-blend-mode: screen;
  pointer-events: none;
}

/* ---------- 路径章节 ---------- */
.page-home .paths {
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 60%);
}

.page-home .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--home-rule);
}

.page-home .path-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 4px 20px;
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: var(--home-rule);
  transition: background .32s var(--ease), border-color .32s var(--ease);
}

.page-home .path-item:hover {
  background: linear-gradient(90deg, rgba(242, 160, 61, .09), transparent 68%);
  border-bottom-color: rgba(242, 160, 61, .4);
}

.page-home .path-item__num {
  grid-row: 1 / span 3;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
  padding-top: 6px;
}

.page-home .path-item p {
  margin: 0 0 12px;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.95;
  color: var(--haze);
}

.page-home .path-item__link {
  justify-self: start;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 208, 165, .38);
  padding-bottom: 3px;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-home .path-item__link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 服务章节 ---------- */
.page-home .serve {
  background: var(--mist);
  color: var(--ink);
}

.page-home .serve .chapter-num {
  color: var(--amber-deep);
}

.page-home .serve__grid {
  display: grid;
  gap: clamp(30px, 5vw, 60px);
}

.page-home .serve__aside .h2 {
  margin-bottom: 14px;
}

.page-home .serve__intro {
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--home-soft);
  max-width: 32em;
}

.page-home .serve__list {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
}

.page-home .serve__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--haze);
  font-size: 15px;
  line-height: 1.85;
  color: #223A4C;
}

.page-home .serve__list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 10px;
  background: var(--jade);
  transform: rotate(45deg);
}

.page-home .serve__figure {
  margin: 0;
  background: rgba(201, 214, 220, .22);
  border: 1px solid var(--haze);
  overflow: hidden;
}

.page-home .serve__figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .serve__figure .figure__caption {
  padding: 13px 16px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--home-soft);
  border-top: 1px solid var(--haze);
}

/* ---------- 版本章节 ---------- */
.page-home .versions {
  background:
    radial-gradient(80% 60% at 12% 0%, rgba(53, 208, 165, .08), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 58%, var(--ink) 100%);
  overflow: hidden;
}

.page-home .versions__head {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-bottom: clamp(30px, 5vw, 52px);
  align-items: center;
}

.page-home .versions__figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  background: rgba(18, 41, 63, .6);
  overflow: hidden;
}

.page-home .versions__figure .figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.86) brightness(.92);
}

.page-home .versions__figure .figure__caption {
  padding: 12px 15px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--fog);
  border-top: 1px solid var(--line-dark);
}

.page-home .versions__intro p {
  margin: 0;
  max-width: 34em;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.95;
}

.page-home .hrail {
  position: relative;
}

.page-home .hrail__nav {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding-inline: max(var(--home-gutter), calc((100% - var(--wrap)) / 2));
  padding-bottom: 18px;
}

.page-home .hrail__step {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--line-dark);
  color: var(--mist);
  font-family: var(--mono);
  font-size: 15px;
  cursor: pointer;
  transition: border-color .24s var(--ease), color .24s var(--ease), background .24s var(--ease);
}

.page-home .hrail__step:hover,
.page-home .hrail__step:focus-visible {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(242, 160, 61, .08);
  outline: none;
}

.page-home .hrail__track {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-block: 6px 22px;
  padding-inline: max(var(--home-gutter), calc((100% - var(--wrap)) / 2));
  scrollbar-width: thin;
  scrollbar-color: var(--fog) transparent;
}

.page-home .hrail__track:focus-visible {
  outline: 1px dashed var(--amber);
  outline-offset: -4px;
}

.page-home .hrail__track::-webkit-scrollbar {
  height: 6px;
}

.page-home .hrail__track::-webkit-scrollbar-thumb {
  background: rgba(126, 150, 163, .5);
}

.page-home .ver-card {
  flex: 0 0 min(320px, 76vw);
  scroll-snap-align: start;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 26px 24px 30px;
  background: rgba(18, 41, 63, .74);
  border: 1px solid var(--line-dark);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-home .ver-card::before {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--jade));
}

.page-home .ver-card:hover {
  border-color: rgba(242, 160, 61, .45);
}

.page-home .ver-card__ver {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-home .ver-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
  color: var(--mist);
}

.page-home .ver-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--haze);
}

/* ---------- 状况章节 ---------- */
.page-home .triage {
  background: var(--ink-2);
  border-top: var(--home-rule);
  border-bottom: var(--home-rule);
}

.page-home .triage__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 54px);
}

.page-home .triage__aside p {
  margin: 0;
  max-width: 30em;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.95;
}

.page-home .disclosure {
  border: 1px solid var(--line-dark);
  background: rgba(11, 27, 43, .55);
  transition: border-color .28s var(--ease), background .28s var(--ease);
}

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

.page-home .disclosure[data-open] {
  border-color: var(--amber);
  background: rgba(242, 160, 61, .07);
}

.page-home .disclosure h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-home .disclosure__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 22px;
  background: none;
  border: 0;
  color: var(--mist);
  text-align: left;
  cursor: pointer;
  font-family: var(--sans);
  font-size: clamp(16px, 1.7vw, 18px);
  font-weight: 600;
  line-height: 1.5;
}

.page-home .disclosure__toggle:focus-visible {
  outline: 1px solid var(--amber);
  outline-offset: -3px;
}

.page-home .disclosure__index {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--fog);
}

.page-home .disclosure[data-open] .disclosure__index {
  color: var(--amber);
}

.page-home .disclosure__icon {
  position: relative;
  flex: none;
  margin-left: auto;
  width: 14px;
  height: 14px;
}

.page-home .disclosure__icon::before,
.page-home .disclosure__icon::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 1.5px;
  background: var(--amber);
  transition: transform .28s var(--ease);
}

.page-home .disclosure__icon::after {
  transform: rotate(90deg);
}

.page-home .disclosure[data-open] .disclosure__icon::after {
  transform: rotate(0deg);
}

.page-home .disclosure__panel {
  display: none;
}

.page-home .disclosure[data-open] .disclosure__panel {
  display: block;
}

.page-home .disclosure__body {
  padding: 0 22px 24px 22px;
}

.page-home .disclosure__body p {
  margin: 0 0 14px;
  max-width: 48em;
  font-size: 15px;
  line-height: 1.95;
  color: var(--haze);
}

.page-home .disclosure__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 208, 165, .38);
  padding-bottom: 3px;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}

.page-home .disclosure__link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 收束章节 ---------- */
.page-home .closing {
  background:
    radial-gradient(90% 80% at 88% 10%, rgba(242, 160, 61, .12), transparent 62%),
    linear-gradient(120deg, var(--ink-2) 0%, #173754 58%, #1B4059 100%);
  border-top: 2px solid var(--amber);
}

.page-home .closing__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 56px);
}

.page-home .closing__copy p {
  margin: 0 0 26px;
  max-width: 34em;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.95;
}

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

.page-home .closing__panel {
  background: rgba(11, 27, 43, .68);
  border: 1px solid var(--line-dark);
  padding: clamp(22px, 3vw, 32px);
}

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

.page-home .contact-list__item {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: var(--home-rule);
}

.page-home .contact-list__item:last-child {
  border-bottom: 0;
}

.page-home .contact-list__label {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--fog);
}

.page-home .contact-list__item .mono {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--mist);
  word-break: break-all;
}

.page-home .closing__note {
  margin: 0;
  padding-top: 4px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--fog);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .versions__head {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  }

  .page-home .closing__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: clamp(40px, 5vw, 80px);
  }

  .page-home .serve__grid {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1.62fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-home .triage__grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.5fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-home .serve__aside {
    position: sticky;
    top: calc(var(--frame-h) + 28px);
    align-self: start;
  }

  .page-home .path-item:nth-child(2) {
    padding-left: 7%;
  }

  .page-home .path-item:nth-child(3) {
    padding-left: 3.5%;
  }
}

@media (min-width: 1280px) {
  .page-home .ver-card {
    flex: 0 0 348px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hrail__track {
    scroll-behavior: auto;
  }

  .page-home .path-item,
  .page-home .ver-card,
  .page-home .disclosure,
  .page-home .disclosure__icon::before,
  .page-home .disclosure__icon::after {
    transition-duration: .01ms;
  }
}