.page-home {
  --home-radius: 10px;
  --home-shadow: 4px 4px 0 rgba(5, 15, 26, 0.85);
  --home-gap: clamp(16px, 2.4vw, 28px);
  background-color: var(--ink);
  color: var(--white);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-home p {
  margin: 0;
}

.page-home .home-head {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-home .home-lead {
  color: var(--mist);
  font-size: 16px;
  line-height: 1.85;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) 0 clamp(56px, 7vw, 96px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(22, 58, 85, 0.9) 0%, rgba(8, 22, 36, 0) 62%),
    var(--ink);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(36, 68, 92, 0.32) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 68, 92, 0.32) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 72%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 72%);
  pointer-events: none;
}

.page-home .home-hero .container {
  position: relative;
  z-index: 1;
}

.page-home .home-crumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 34px);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(5, 15, 26, 0.6);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-home .home-crumb .mono {
  color: var(--orange-soft);
  font-size: 13px;
}

.page-home .home-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.page-home .home-hero__lead {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-home .home-hero__title {
  margin: 0;
  font-size: clamp(2rem, 5.4vw, 3.7rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: 0.02em;
}

.page-home .home-hero__intro {
  max-width: 34em;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.9;
}

.page-home .home-hero__note {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-left: 3px solid var(--mint);
  background: rgba(22, 58, 85, 0.55);
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

.page-home .home-hero__note .mono {
  color: var(--mint);
  font-size: 13px;
}

.page-home .home-hero__visual {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--home-shadow);
}

.page-home .home-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 编号路径 ---------- */
.page-home .path-deck {
  list-style: none;
  margin: clamp(30px, 4.4vw, 52px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .path-deck__item {
  min-width: 0;
}

.page-home .path-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: var(--panel);
  box-shadow: var(--home-shadow);
  color: var(--white);
  text-decoration: none;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-home .path-card:hover,
.page-home .path-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: var(--panel-2);
}

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

.page-home .path-card__index {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  border: 1px solid var(--orange);
  border-radius: 6px;
  color: var(--orange);
  font-size: 14px;
  letter-spacing: 0.1em;
}

.page-home .path-card__title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.35;
}

.page-home .path-card__text {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.page-home .path-card__hint {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--orange-soft);
  font-size: 13px;
  line-height: 1.6;
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}

/* ---------- 说明与下载 ---------- */
.page-home .home-split {
  padding: clamp(52px, 7vw, 92px) 0;
  background: var(--abyss);
  border-bottom: 1px solid var(--line);
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

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

.page-home .lib-item {
  display: grid;
  gap: 8px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: var(--panel);
  color: var(--white);
  text-decoration: none;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .lib-item--guide {
  border-left: 3px solid var(--orange);
}

.page-home .lib-item--file {
  border-left: 3px solid var(--mint);
}

.page-home .lib-item:hover,
.page-home .lib-item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--panel-2);
  background: var(--panel-2);
}

.page-home .lib-item:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-home .lib-item__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-home .lib-item__text {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.page-home .home-split__figure {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
}

.page-home .home-split__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .home-split__figure figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 版本号 ---------- */
.page-home .home-version {
  padding: clamp(52px, 7vw, 92px) 0;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-home .home-version__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-home .home-version__copy {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-home .version-read {
  margin: 4px 0 0;
  display: grid;
  gap: 10px;
}

.page-home .version-read__row {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 42, 64, 0.55);
}

.page-home .version-read__row dt {
  color: var(--orange-soft);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.page-home .version-read__row dd {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-home .home-version__panel {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-home .version-plate {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    linear-gradient(150deg, rgba(22, 58, 85, 0.95), rgba(16, 42, 64, 0.95));
  box-shadow: var(--home-shadow);
}

.page-home .version-plate__top {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.page-home .version-plate__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(46, 211, 176, 0.18);
}

.page-home .version-plate__label {
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-home .version-plate__state {
  margin-left: auto;
  padding: 3px 10px;
  border: 1px solid var(--mint-deep);
  border-radius: 999px;
  background: rgba(22, 143, 121, 0.22);
  color: var(--mint);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-home .version-plate__code {
  margin: 0 0 6px;
  color: var(--white);
  font-size: clamp(2.1rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.1;
}

.page-home .version-plate__hint {
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-home .home-version__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
}

.page-home .home-version__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 20 / 13;
  object-fit: cover;
}

/* ---------- 入口路径 ---------- */
.page-home .home-route {
  padding: clamp(52px, 7vw, 92px) 0;
  background:
    linear-gradient(180deg, var(--panel) 0%, var(--abyss) 100%);
  border-bottom: 1px solid var(--line);
}

.page-home .route-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: route;
}

.page-home .route-step {
  position: relative;
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: rgba(8, 22, 36, 0.78);
}

.page-home .route-step__index {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 9px;
  border: 1px solid var(--orange);
  border-radius: 6px;
  color: var(--orange);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.page-home .route-step__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-home .route-step__text {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-home .route-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-home .route-actions__note {
  flex: 1 1 260px;
  min-width: 0;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 使用记录 ---------- */
.page-home .home-records {
  padding: clamp(52px, 7vw, 92px) 0;
  background: var(--abyss);
  border-bottom: 1px solid var(--line);
}

.page-home .home-records__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-home .home-records__copy {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-home .record-spec {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--line);
  overflow: hidden;
}

.page-home .record-spec__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 16px;
  background: var(--panel);
}

.page-home .record-spec__label {
  color: var(--orange-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-home .record-spec__value {
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
}

.page-home .home-records__copy .btn {
  justify-self: start;
}

.page-home .home-records__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--home-shadow);
}

.page-home .home-records__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 更新与支持 ---------- */
.page-home .home-updates {
  padding: clamp(52px, 7vw, 92px) 0;
  background: var(--ink);
}

.page-home .home-updates__grid {
  display: grid;
  gap: 20px;
  align-items: start;
}

.page-home .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--line);
  overflow: hidden;
}

.page-home .update-item {
  display: grid;
  gap: 8px;
  padding: 20px 18px;
  background: var(--panel);
}

.page-home .update-item__time {
  color: var(--mint);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-home .update-item__title {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 4px;
}

.page-home .update-item__text {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.page-home .support-card {
  display: grid;
  gap: 14px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--home-radius);
  background: var(--panel-2);
}

.page-home .support-card__kicker {
  color: var(--orange);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.page-home .support-card__lead {
  color: var(--white);
  font-size: 15px;
  line-height: 1.75;
}

.page-home .support-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .support-card__list li {
  display: grid;
  gap: 3px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-home .support-card__key {
  color: var(--mist);
  font-size: 13px;
}

.page-home .support-card__list .mono {
  color: var(--white);
  font-size: 14px;
  word-break: break-word;
}

.page-home .support-card .btn {
  justify-self: start;
}

.page-home .support-card__foot {
  color: var(--mist);
  font-size: 13px;
  line-height: 1.8;
}

.page-home .support-card__foot a {
  color: var(--orange-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .support-card__foot a:hover,
.page-home .support-card__foot a:focus-visible {
  color: var(--orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-home .home-library {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .home-hero__visual {
    transform: translateY(-6px);
  }

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

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

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

  .page-home .home-updates__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

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

  .page-home .path-deck__item:nth-child(2),
  .page-home .path-deck__item:nth-child(4) {
    transform: translateY(14px);
  }

  .page-home .path-deck {
    margin-bottom: 14px;
  }
}

@media (hover: hover) and (min-width: 1100px) {
  .page-home .path-card__hint {
    opacity: 0;
    transform: translateY(-4px);
  }

  .page-home .path-card:hover .path-card__hint,
  .page-home .path-card:focus-visible .path-card__hint {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .path-card,
  .page-home .lib-item,
  .page-home .path-card__hint {
    transition: opacity 160ms linear;
  }

  .page-home .path-card:hover,
  .page-home .path-card:focus-visible,
  .page-home .lib-item:hover,
  .page-home .lib-item:focus-visible,
  .page-home .path-deck__item,
  .page-home .home-hero__visual {
    transform: none;
  }
}