.page-home {
  --home-pad: clamp(30px, 5vw, 66px);
  --home-gap: clamp(20px, 3.4vw, 40px);
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
}

.page-home .breadcrumb {
  padding-top: 16px;
}

.page-home .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-home .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--gray);
}

.page-home .breadcrumb a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 2px solid var(--lime);
}

.page-home .breadcrumb [aria-current="page"] {
  color: var(--gray);
}

/* ============ 首屏 ============ */
.page-home .home-hero {
  position: relative;
  padding: clamp(22px, 3vw, 34px) 0 var(--home-pad);
  background: var(--cream);
  border-bottom: var(--edge);
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 12px;
  background: var(--pitch);
  pointer-events: none;
}

.page-home .home-hero__grid {
  display: grid;
  gap: var(--home-gap);
  align-items: end;
}

.page-home .home-hero__text h1 {
  margin: 10px 0 20px;
  font-size: clamp(40px, 10.5vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: var(--ink);
}

.page-home .home-hero__text .lead {
  max-width: 34em;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.9;
  color: var(--deep);
}

.page-home .hl {
  background: linear-gradient(transparent 60%, var(--lime) 60%, var(--lime) 94%, transparent 94%);
  padding: 0 0.05em;
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .home-hero__figure {
  margin: 0;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: var(--ink);
}

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

.page-home .home-hero__figure .media-frame__caption {
  background: var(--ink);
  color: var(--cream);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 10px 14px;
  border-top: 3px solid var(--lime);
}

/* 目录 */
.page-home .home-toc {
  margin-top: clamp(30px, 5vw, 56px);
  padding-top: 22px;
  border-top: 3px solid var(--ink);
}

.page-home .home-toc__title {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--pitch);
}

.page-home .home-toc__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-home .home-toc__item {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--white);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.page-home .home-toc__item span {
  font-size: 12px;
  color: var(--pitch);
  letter-spacing: 0.14em;
}

.page-home .home-toc__item strong {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-home .home-toc__item em {
  font-style: normal;
  font-size: 13px;
  color: var(--gray);
}

.page-home .home-toc__item:hover,
.page-home .home-toc__item:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--pitch);
  background: var(--white);
  outline: none;
}

/* ============ 双入口 ============ */
.page-home .home-gates {
  background: var(--cream);
  padding: var(--home-pad) 0;
}

.page-home .home-gates__grid {
  display: grid;
  gap: var(--home-gap);
  grid-template-columns: 1fr;
}

.page-home .home-gate {
  position: relative;
  display: block;
  padding: clamp(24px, 3vw, 36px);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.16s ease;
}

.page-home .home-gate:hover,
.page-home .home-gate:focus-visible {
  transform: translate(-2px, -4px);
  outline: none;
}

.page-home .home-gate__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.22em;
  margin-bottom: 14px;
  opacity: 0.85;
}

.page-home .home-gate h3 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-home .home-gate p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.9;
  max-width: 40em;
}

.page-home .home-gate__go {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-bottom: 3px solid currentColor;
  padding-bottom: 3px;
}

.page-home .home-gate--pitch {
  background: var(--pitch);
  color: var(--white);
}

.page-home .home-gate--pitch .home-gate__num {
  color: var(--lime);
}

.page-home .home-gate--ink {
  background: var(--ink);
  color: var(--cream);
}

.page-home .home-gate--ink h3 {
  color: var(--lime);
}

.page-home .home-gate--ink .home-gate__num {
  color: var(--green-soft);
}

/* ============ 两步查旧版 ============ */
.page-home .home-steps {
  background: var(--ink);
  color: var(--cream);
  padding: var(--home-pad) 0;
}

.page-home .home-steps h2 {
  color: var(--white);
}

.page-home .eyebrow--lime {
  color: var(--lime);
}

.page-home .lead--on-dark {
  color: rgba(244, 241, 232, 0.82);
  max-width: 42em;
  font-size: 17px;
  line-height: 1.9;
}

.page-home .home-steps__grid {
  display: grid;
  gap: var(--home-gap);
  grid-template-columns: 1fr;
  margin-top: 34px;
}

.page-home .home-steps__figure {
  margin: 0;
  border: 3px solid var(--lime);
  box-shadow: 6px 6px 0 var(--pitch);
  background: var(--deep);
}

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

.page-home .home-steps__figure .media-frame__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--lime);
}

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

.page-home .home-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 22px 22px 24px;
  background: rgba(244, 241, 232, 0.06);
  border: 2px solid rgba(198, 255, 74, 0.45);
  border-left: 6px solid var(--lime);
}

.page-home .home-step__num {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.03em;
}

.page-home .home-step h3 {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-home .home-step p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(244, 241, 232, 0.86);
}

.page-home .home-steps__note {
  margin-top: 26px;
  padding: 16px 20px;
  border-left: 6px solid var(--lime);
  background: rgba(11, 110, 79, 0.4);
  color: rgba(244, 241, 232, 0.9);
  font-size: 15px;
  line-height: 1.85;
}

/* ============ 苹果收藏 ============ */
.page-home .home-save {
  background: var(--white);
  padding: var(--home-pad) 0;
  border-bottom: var(--edge);
}

.page-home .home-save__grid {
  display: grid;
  gap: var(--home-gap);
  grid-template-columns: 1fr;
  align-items: center;
}

.page-home .home-save h2 {
  margin: 10px 0 18px;
  font-size: clamp(28px, 4.2vw, 46px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.page-home .home-save p {
  font-size: 16.5px;
  line-height: 1.9;
  max-width: 36em;
  color: var(--deep);
}

.page-home .home-save__list {
  list-style: none;
  margin: 22px 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-save__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--cream);
  border: 2px solid var(--ink);
  font-size: 15.5px;
  line-height: 1.7;
}

.page-home .home-save__list .mono {
  color: var(--pitch);
  font-weight: 700;
  font-size: 16px;
}

.page-home .home-save__figure {
  margin: 0;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: var(--cream);
}

.page-home .home-save__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-home .home-save__figure .media-frame__caption {
  padding: 10px 14px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  background: var(--ink);
  color: var(--lime);
}

/* ============ 反馈入口 ============ */
.page-home .home-feedback {
  background: var(--pitch);
  color: var(--white);
  padding: var(--home-pad) 0;
}

.page-home .home-feedback h2 {
  margin: 10px 0 18px;
  font-size: clamp(27px, 4vw, 42px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-home .home-feedback p {
  font-size: 16.5px;
  line-height: 1.9;
  max-width: 38em;
}

.page-home .home-feedback .note {
  color: rgba(244, 241, 232, 0.86);
  font-size: 15px;
  margin-top: 16px;
}

.page-home .home-feedback__grid {
  display: grid;
  gap: var(--home-gap);
  grid-template-columns: 1fr;
}

.page-home .home-feedback__panel {
  padding: clamp(22px, 3vw, 32px);
  background: var(--ink);
  border: 3px solid var(--lime);
  box-shadow: 6px 6px 0 rgba(14, 27, 42, 0.4);
}

.page-home .home-feedback__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-home .home-feedback__mail {
  margin: 0 0 18px;
  font-size: clamp(14px, 1.8vw, 18px);
  font-weight: 600;
  color: var(--cream);
  word-break: break-all;
  line-height: 1.5;
}

.page-home .home-feedback__hint {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.78);
}

.page-home .home-feedback .copy-btn {
  background: var(--lime);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
  padding: 12px 22px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
}

.page-home .home-feedback .copy-status {
  margin: 12px 0 0;
  min-height: 1.4em;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
}

/* ============ 版本批次索引 ============ */
.page-home .home-index {
  background: var(--white);
  padding: var(--home-pad) 0;
}

.page-home .home-index__figure {
  margin: 0 0 30px;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: var(--ink);
}

.page-home .home-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-home .home-index__figure .media-frame__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  background: var(--ink);
  color: var(--lime);
}

.page-home .home-index .filter-bar.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.page-home .home-index .chip {
  border: 2px solid var(--ink);
  background: var(--cream);
  color: var(--ink);
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.14s ease, color 0.14s ease;
}

.page-home .home-index .chip[aria-pressed="true"] {
  background: var(--ink);
  color: var(--lime);
}

.page-home .home-index .filter-status {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin: 0 0 18px;
}

.page-home .home-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .home-entry {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-left: 8px solid var(--pitch);
  box-shadow: var(--shadow-soft);
}

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

.page-home .home-entry .tag {
  justify-self: start;
  font-size: 11px;
  letter-spacing: 0.16em;
  padding: 4px 10px;
  border: 2px solid var(--ink);
  background: var(--cream);
  color: var(--ink);
}

.page-home .home-entry .tag--lime {
  background: var(--lime);
  border-color: var(--ink);
}

.page-home .home-entry__title {
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  justify-self: start;
}

.page-home .home-entry__title:hover,
.page-home .home-entry__title:focus-visible {
  border-bottom-color: var(--lime);
  outline: none;
}

.page-home .home-entry__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--deep);
}

/* ============ 规模数据 ============ */
.page-home .home-scale {
  background: var(--cream);
  padding: var(--home-pad) 0;
  border-top: var(--edge);
}

.page-home .home-scale__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-top: 30px;
}

.page-home .home-stat {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--white);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-home .home-stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--pitch);
}

.page-home .home-stat:nth-child(2)::before {
  background: var(--lime);
}

.page-home .home-stat:nth-child(3)::before {
  background: var(--green-soft);
}

.page-home .home-stat:nth-child(4)::before {
  background: var(--orange);
}

.page-home .home-stat__num {
  display: inline-block;
  font-size: clamp(42px, 6vw, 62px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.page-home .home-stat__unit {
  display: inline-block;
  margin-left: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--pitch);
}

.page-home .home-stat__label {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--deep);
}

.page-home .home-scale__foot {
  display: grid;
  gap: 18px;
  align-items: center;
  margin-top: 30px;
  padding: 24px 24px;
  background: var(--ink);
  color: var(--cream);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-home .home-scale__foot p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(244, 241, 232, 0.9);
}

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

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

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

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

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

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-home .home-toc__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-home .home-steps__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .page-home .home-save__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-home .home-feedback__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-home .home-scale__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .home-scale__foot {
    grid-template-columns: 1fr auto;
  }

  .page-home .home-scale__foot .btn {
    justify-self: end;
  }
}

@media (min-width: 1200px) {
  .page-home .home-steps__figure {
    position: sticky;
    top: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-toc__item,
  .page-home .home-gate {
    transition: none;
  }
}
</main>