.page-home {
  --home-grid-line: rgba(147, 169, 179, 0.10);
  --home-rule: rgba(27, 58, 75, 0.65);
  --home-band-1: #2A4759;
  --home-band-2: #2E4A59;
  --home-band-3: #36505F;
  --home-band-4: #3F5A6C;
  --home-band-5: #4A6879;
  --home-band-6: #54717F;
  overflow-x: hidden;
}

.page-home .home-crumbs {
  padding-block: 16px 4px;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3.4vw, 44px) clamp(36px, 5.5vw, 72px);
  border-bottom: 1px solid var(--steel);
  background-image:
    linear-gradient(to right, var(--home-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-home .home-hero__beam {
  position: absolute;
  top: -14%;
  left: 34%;
  width: min(34vw, 300px);
  height: 128%;
  background: linear-gradient(180deg, rgba(63, 220, 232, 0.15), rgba(63, 220, 232, 0));
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

/* 安装大卡 */
.page-home .install-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.7vw, 20px);
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--glaze);
  color: var(--char);
  border: 3px solid var(--char);
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.5);
}

.page-home .install-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-home .install-card__req {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(14, 18, 22, 0.62);
}

.page-home .install-card__title {
  margin: 0;
  font-size: clamp(1.6rem, 5.4vw, 3.05rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--char);
}

.page-home .install-card__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.05rem, 17px);
  line-height: 1.8;
  color: rgba(14, 18, 22, 0.72);
}

.page-home .install-card__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 2px solid var(--char);
  background: var(--ink-800);
}

.page-home .install-card__cta {
  margin-top: 2px;
}

.page-home .install-card__foot {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(14, 18, 22, 0.55);
}

/* 栏目索引 */
.page-home .home-index {
  border-top: 2px solid var(--cyan);
  padding-top: clamp(14px, 2vw, 22px);
}

.page-home .home-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 10px;
}

.page-home .home-index__title {
  margin: 0;
  font-size: clamp(1.15rem, 1.9vw, 1.5rem);
  font-weight: 800;
  color: var(--milk);
}

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

.page-home .home-index__item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  padding: 11px 6px;
  border-bottom: 1px solid var(--home-rule);
  transition: background-color 150ms ease;
}

.page-home .home-index__item:hover,
.page-home .home-index__item:focus-within {
  background: rgba(63, 220, 232, 0.06);
}

.page-home .home-index__num {
  justify-self: start;
  padding: 2px 7px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px solid var(--gold-deep);
  border-radius: var(--radius);
}

.page-home .home-index__link {
  font-size: clamp(16px, 1.25vw, 18px);
  font-weight: 700;
  color: var(--milk);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color 140ms ease, border-color 140ms ease;
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-home .home-index__desc {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--rock);
}

/* ---------- 会员提示条 ---------- */
.page-home .home-member {
  padding-block: clamp(26px, 4vw, 48px);
}

.page-home .member-bar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 14px 18px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-800);
  border: 2px solid var(--gold-deep);
  box-shadow: var(--shadow-hard);
}

.page-home .member-bar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--gold);
  border: 2px solid var(--gold-deep);
  border-radius: var(--radius);
  background: rgba(233, 185, 94, 0.08);
}

.page-home .member-bar__title {
  margin: 0 0 6px;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  font-weight: 800;
  color: var(--gold);
}

.page-home .member-bar__note {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock);
}

.page-home .member-bar__link {
  grid-column: 1 / -1;
  justify-self: start;
}

/* ---------- 资料库日期轴 ---------- */
.page-home .home-archive {
  border-top: 1px solid var(--steel);
}

.page-home .archive-banner {
  margin: 0 0 clamp(20px, 3vw, 34px);
  border: 2px solid var(--steel);
  background: var(--ink-800);
}

.page-home .archive-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.page-home .home-archive__head {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-home .archive-axis {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding-block: clamp(10px, 1.6vw, 18px);
}

.page-home .archive-axis__cap {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-home .archive-axis__cap--end {
  color: var(--cyan);
}

.page-home .archive-axis__marks {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .archive-axis__marks::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
  background: linear-gradient(90deg, var(--home-band-1), var(--home-band-6));
}

.page-home .archive-axis__mark {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 1 1 0;
}

.page-home .archive-axis__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--home-band-4);
  border: 2px solid var(--ink-900);
}

.page-home .archive-axis__mark--latest .archive-axis__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(63, 220, 232, 0.18);
}

.page-home .archive-axis__no {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-home .archive-axis__mark--latest .archive-axis__no {
  color: var(--cyan);
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block: clamp(10px, 1.6vw, 18px) clamp(18px, 2.4vw, 26px);
}

.page-home .filter-chip {
  display: inline-flex;
  align-items: center;
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--rock);
  background: transparent;
  border: 2px solid var(--steel);
  border-radius: var(--radius);
  padding: 8px 14px;
  cursor: pointer;
  transition: color 140ms ease, border-color 140ms ease, background-color 140ms ease;
}

.page-home .filter-chip:hover {
  color: var(--milk);
  border-color: var(--cyan-deep);
}

.page-home .filter-chip[aria-pressed="true"] {
  color: var(--ink-900);
  font-weight: 700;
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-home .filter-chip__count {
  font-family: var(--mono);
  font-size: 11px;
  margin-left: 7px;
  opacity: 0.85;
}

.page-home .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .archive-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: clamp(14px, 1.8vw, 20px);
  background: var(--ink-800);
  border: 2px solid var(--steel);
  border-left-width: 8px;
  border-radius: var(--radius);
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.page-home .archive-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-soft);
  border-color: var(--cyan-deep);
}

.page-home .archive-card--b1 { border-left-color: var(--home-band-1); }
.page-home .archive-card--b2 { border-left-color: var(--home-band-2); }
.page-home .archive-card--b3 { border-left-color: var(--home-band-3); }
.page-home .archive-card--b4 { border-left-color: var(--home-band-4); }
.page-home .archive-card--b5 { border-left-color: var(--home-band-5); }
.page-home .archive-card--b6 { border-left-color: var(--home-band-6); }

.page-home .archive-card[hidden] {
  display: none;
}

.page-home .archive-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-home .archive-card__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .archive-card__title {
  margin: 0;
  font-size: clamp(1rem, 1.35vw, 1.15rem);
  font-weight: 800;
  line-height: 1.45;
  color: var(--milk);
}

.page-home .archive-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

.page-home .archive-card__meta {
  margin: auto 0 0;
  padding-top: 8px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(147, 169, 179, 0.72);
  border-top: 1px solid var(--home-rule);
}

.page-home .filter-status {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-home .filter-empty {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--clay);
}

.page-home .archive-more {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
}

/* ---------- 帮助中心 12 格 ---------- */
.page-home .home-help {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--steel);
}

.page-home .help-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
  pointer-events: none;
  z-index: 0;
}

.page-home .home-help .wrap {
  position: relative;
  z-index: 1;
}

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

.page-home .help-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2vw, 22px);
  background: var(--ink-900);
}

.page-home .help-cell--clay {
  background: linear-gradient(180deg, rgba(180, 104, 74, 0.10), var(--ink-900) 70%);
}

.page-home .help-cell__num {
  align-self: flex-start;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px solid var(--gold-deep);
  border-radius: var(--radius);
}

.page-home .help-cell__title {
  margin: 0;
  font-size: clamp(15px, 1.15rem, 17px);
  font-weight: 800;
  line-height: 1.5;
  color: var(--milk);
}

.page-home .help-cell__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rock);
}

.page-home .help-more {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
}

/* ---------- 旧版对照 ---------- */
.page-home .home-legacy {
  border-top: 1px solid var(--steel);
}

.page-home .legacy-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.page-home .legacy-block__text .prose {
  margin: 0 0 14px;
}

.page-home .legacy-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-home .legacy-list__item {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rock);
  border-bottom: 1px dashed var(--home-rule);
}

.page-home .legacy-list__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 18px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-home .legacy-block__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(147, 169, 179, 0.8);
}

.page-home .legacy-block__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  border: 2px solid var(--steel);
  background: var(--ink-800);
}

/* ---------- 结尾说明条 ---------- */
.page-home .home-trust {
  margin-top: clamp(34px, 5vw, 64px);
  border-top: 1px solid var(--steel);
  background: linear-gradient(90deg, rgba(42, 71, 89, 0.55), rgba(84, 113, 127, 0.12));
}

.page-home .home-trust__inner {
  padding-block: clamp(20px, 3vw, 32px);
}

.page-home .home-trust__text {
  margin: 0;
  max-width: 62em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--rock);
}

/* ---------- 悬停说明仅在支持悬停的设备上折叠 ---------- */
@media (hover: hover) and (min-width: 720px) {
  .page-home .home-index__desc {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 180ms ease, opacity 160ms ease;
  }

  .page-home .home-index__item:hover .home-index__desc,
  .page-home .home-index__item:focus-within .home-index__desc {
    max-height: 100px;
    opacity: 1;
  }
}

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-home .home-hero {
    background-size: 96px 96px;
  }

  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5.6fr);
    align-items: start;
    gap: clamp(32px, 4vw, 60px);
  }

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

  .page-home .member-bar__link {
    grid-column: auto;
    justify-self: end;
  }

  .page-home .legacy-block {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    border-top: 2px dashed var(--steel);
    padding-top: clamp(22px, 3vw, 36px);
  }
}

@media (min-width: 1080px) {
  .page-home .archive-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-home .help-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .archive-card,
  .page-home .home-index__item,
  .page-home .home-index__desc,
  .page-home .filter-chip,
  .page-home .home-index__link {
    transition: none;
  }

  .page-home .archive-card:hover {
    transform: none;
  }
}