.page-home {
  --home-pad: 22px;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  display: block;
}

.page-home .hero {
  padding: 18px 0 10px;
}

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

.page-home .breadcrumbs__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
}

.page-home .breadcrumbs__list li {
  letter-spacing: .04em;
}

.page-home .breadcrumbs__list li[aria-current="page"] {
  color: var(--grape);
  font-weight: 600;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero__collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .hero__intro {
  padding: 4px 0 2px;
}

.page-home .hero .eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--grape);
  margin: 0 0 12px;
}

.page-home .hero h1 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(30px, 8.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -.01em;
  margin: 0 0 16px;
}

.page-home .hero__lede {
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
  max-width: 36em;
}

.page-home .hero__media {
  position: relative;
  border: var(--bd);
  box-shadow: var(--shadow);
  background: var(--white);
  overflow: hidden;
}

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

.page-home .hero__media-tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  margin: 0;
  padding: 6px 12px;
  background: var(--white);
  border: var(--bd);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink);
}

.page-home .hero__stack {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .version-card {
  border: var(--bd);
  box-shadow: var(--shadow);
  background: var(--grape-deep);
  color: var(--cream);
  padding: 16px 18px 18px;
  overflow: hidden;
}

.page-home .version-card__label {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--grape-soft);
}

.page-home .version-card__num {
  margin: 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(56px, 20vw, 92px);
  line-height: .92;
  letter-spacing: .01em;
  color: var(--orange);
  white-space: nowrap;
}

.page-home .version-card__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--grape-soft);
}

.page-home .entry-card {
  position: relative;
  display: block;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--shadow);
  padding: 14px 16px 16px 24px;
  text-decoration: none;
  color: var(--ink);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-home .entry-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--grape-soft);
  transition: width .2s var(--ease), background .2s var(--ease);
}

.page-home .entry-card:hover,
.page-home .entry-card:focus-visible {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-hover);
}

.page-home .entry-card:hover::before,
.page-home .entry-card:focus-visible::before {
  width: 12px;
  background: var(--grape);
}

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

.page-home .entry-card__k {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--grape);
  margin-bottom: 4px;
}

.page-home .entry-card__name {
  display: block;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  margin-bottom: 4px;
}

.page-home .entry-card__desc {
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .sync-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
  padding: 13px 15px;
  background: var(--green-soft);
  border: var(--bd);
  box-shadow: 4px 4px 0 0 var(--grape-soft);
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
}

.page-home .sync-note__dot {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 6px;
  background: var(--orange);
  border-radius: 50%;
}

/* ---------- 章节色带 ---------- */
.page-home .chapter {
  padding: 40px 0 14px;
}

.page-home .chapter--last {
  padding-bottom: 46px;
}

.page-home .chapter__band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 14px;
  border-top: var(--bd);
  border-bottom: var(--bd);
  padding: 11px 0;
  margin-bottom: 24px;
}

.page-home .chapter__num {
  flex: none;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .04em;
  background: var(--grape-deep);
  color: var(--cream);
  padding: 4px 10px;
}

.page-home .chapter__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(22px, 5.4vw, 34px);
  line-height: 1.26;
  letter-spacing: -.01em;
}

.page-home .chapter__lede {
  margin: 0 0 24px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 40em;
}

/* ---------- 通用图框 ---------- */
.page-home .figure {
  margin: 0;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--shadow);
}

.page-home .figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .figure figcaption {
  padding: 10px 14px;
  border-top: var(--bd);
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .figure--wide img {
  aspect-ratio: 21 / 9;
}

/* ---------- 01 找回路径 ---------- */
.page-home .restore__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home .restore__lede {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-home .step {
  background: var(--white);
  border: var(--bd);
  box-shadow: 4px 4px 0 0 var(--grape-soft);
  transition: box-shadow .2s var(--ease);
}

.page-home .step[open] {
  box-shadow: var(--shadow);
}

.page-home .step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.page-home .step__head::-webkit-details-marker {
  display: none;
}

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

.page-home .step__num {
  flex: none;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--cream);
  background: var(--grape);
  padding: 3px 8px;
}

.page-home .step[open] .step__num {
  background: var(--green);
  color: var(--ink);
}

.page-home .step__title {
  flex: 1;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
}

.page-home .step__mark {
  flex: none;
  display: inline-block;
  font-family: var(--mono);
  font-size: 19px;
  line-height: 1;
  color: var(--grape);
  transition: transform .25s var(--ease);
}

.page-home .step[open] .step__mark {
  transform: rotate(45deg);
}

.page-home .step__panel {
  margin: 0 16px 16px;
  padding-top: 13px;
  border-top: 2px dashed var(--grape-soft);
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .step__panel p {
  margin: 0;
}

/* ---------- 02 时间轴 ---------- */
.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .timeline__item {
  position: relative;
  background: var(--white);
  border: var(--bd);
  box-shadow: 4px 4px 0 0 var(--grape-soft);
  padding: 22px 18px 18px;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--grape-soft);
}

.page-home .timeline__item--now {
  background: var(--grape-deep);
  color: var(--cream);
  box-shadow: var(--shadow);
}

.page-home .timeline__item--now::before {
  background: var(--orange);
}

.page-home .timeline__ver {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: .02em;
  color: var(--grape);
  margin-bottom: 8px;
}

.page-home .timeline__item--now .timeline__ver {
  color: var(--orange);
}

.page-home .timeline__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
}

.page-home .timeline__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-home .timeline__item--now p {
  color: var(--grape-soft);
}

/* ---------- 03 iOS 兼容 ---------- */
.page-home .ios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home .ios__lede {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .ios__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .ios__item {
  display: flex;
  gap: 12px;
  background: var(--green-soft);
  border: var(--bd);
  padding: 14px 16px;
}

.page-home .ios__item-num {
  flex: none;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--cream);
  background: var(--grape-deep);
  padding: 3px 8px;
  align-self: flex-start;
}

.page-home .ios__item-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-home .ios__meta {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  padding-left: 14px;
  border-left: 4px solid var(--orange);
}

/* ---------- 04 速查 ---------- */
.page-home .figure--wide {
  margin-bottom: 22px;
}

.page-home .quick-index__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-home .quick-index__item {
  display: block;
  text-decoration: none;
  color: var(--ink);
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--shadow-soft);
  padding: 16px 16px 18px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-home .quick-index__item:hover,
.page-home .quick-index__item:focus-visible {
  transform: translate(2px, 2px);
  box-shadow: 4px 4px 0 0 var(--grape);
}

.page-home .quick-index__item:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-home .quick-index__meta {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--grape);
  background: var(--cream);
  border: 2px solid var(--grape-soft);
  padding: 2px 8px;
  margin-bottom: 10px;
}

.page-home .quick-index__title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
}

.page-home .quick-index__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 05 同步提示 ---------- */
.page-home .sync__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
  background: var(--white);
  border: var(--bd);
  box-shadow: var(--shadow);
  padding: 22px 20px;
}

.page-home .sync__big {
  margin: 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(46px, 14vw, 72px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--grape);
}

.page-home .sync__text p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .sync__text p:last-child {
  margin-bottom: 0;
}

.page-home .sync__link-row {
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .hero {
    padding-top: 26px;
  }

  .page-home .quick-index__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .sync__panel {
    grid-template-columns: auto 1fr;
    gap: 26px;
    padding: 26px 28px;
  }

  .page-home .sync__big {
    padding-right: 26px;
    border-right: var(--bd);
  }
}

@media (min-width: 880px) {
  .page-home .restore__grid,
  .page-home .ios__grid {
    grid-template-columns: 1fr 1.18fr;
    gap: 30px;
    align-items: start;
  }

  .page-home .ios__grid {
    grid-template-columns: 1.18fr 1fr;
  }

  .page-home .timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 980px) {
  .page-home .hero__collage {
    grid-template-columns: 1.45fr 1fr;
    grid-template-areas:
      "intro stack"
      "media stack";
    align-items: start;
    gap: 20px 26px;
  }

  .page-home .hero__intro {
    grid-area: intro;
    padding-top: 6px;
  }

  .page-home .hero__media {
    grid-area: media;
    margin-top: 4px;
  }

  .page-home .hero__stack {
    grid-area: stack;
    gap: 16px;
  }

  .page-home .quick-index__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .chapter {
    padding-top: 50px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entry-card,
  .page-home .quick-index__item,
  .page-home .step,
  .page-home .step__mark {
    transition: none;
  }

  .page-home .entry-card:hover,
  .page-home .entry-card:focus-visible,
  .page-home .quick-index__item:hover,
  .page-home .quick-index__item:focus-visible {
    transform: none;
  }
}