.page-home {
  --home-hairline: rgba(14, 17, 22, 0.18);
  --home-lift: 10px 10px 0 var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-home p {
  margin: 0;
}

.page-home ul,
.page-home ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home dl {
  margin: 0;
}

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

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

/* 上下文条 */
.page-home .home-context {
  border-bottom: var(--line);
  background: var(--paper);
}

.page-home .home-context__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 18px;
  padding-top: 11px;
  padding-bottom: 11px;
}

.page-home .home-context__path,
.page-home .home-context__stamp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-home .home-context__stamp {
  color: var(--lake);
}

/* 首屏 */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--line);
  padding-bottom: clamp(28px, 5vw, 48px);
  background:
    linear-gradient(180deg, rgba(31, 111, 139, 0.07), rgba(246, 243, 236, 0) 58%),
    var(--paper);
}

.page-home .home-hero__contours {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.07;
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(24px, 4vw, 46px);
}

.page-home .home-hero__title {
  margin-top: 14px;
  font-size: clamp(32px, 7.2vw, 60px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.page-home .home-hero__lead {
  margin-top: 16px;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
}

.page-home .home-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin-top: 24px;
}

.page-home .home-stats__item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 12px;
  border-left: 2px solid var(--lake);
}

.page-home .home-stats__item strong {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 800;
}

.page-home .home-stats__item span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

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

/* 图片容器 */
.page-home .home-figure {
  margin: 0;
  border: var(--line);
  background: var(--archive);
  box-shadow: var(--shadow);
}

.page-home .home-figure__cap {
  padding: 7px 10px;
  border-top: var(--line);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-home .home-figure--tall .home-img {
  aspect-ratio: 4 / 5;
}

.page-home .home-figure--wide .home-img {
  aspect-ratio: 16 / 9;
}

/* 栏目索引 */
.page-home .home-index {
  position: relative;
  margin-top: clamp(30px, 4vw, 50px);
  padding-top: 14px;
  border-top: var(--line);
}

.page-home .home-index__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.page-home .home-index__title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.page-home .home-index__range {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .home-index__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-home .index-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num label"
    "num note";
  align-content: center;
  column-gap: 10px;
  row-gap: 3px;
  padding: 12px 12px 14px;
  background: var(--cloud);
  border: 1px solid var(--home-hairline);
  border-top: 2px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
  text-decoration: none;
  transition: background 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease, border-color 0.18s ease;
}

.page-home .index-card__num {
  grid-area: num;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--lake);
}

.page-home .index-card__label {
  grid-area: label;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.32;
}

.page-home .index-card__note {
  grid-area: note;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
  transition: color 0.18s ease;
}

.page-home .index-card:hover,
.page-home .index-card:focus-visible {
  transform: translate(-2px, -2px);
  background: var(--paper);
  border-color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.page-home .index-card:hover .index-card__note,
.page-home .index-card:focus-visible .index-card__note {
  color: var(--ink);
}

.page-home .index-card[aria-current="page"] {
  background: var(--archive);
  border-top-color: var(--lake);
}

/* 三步路径 */
.page-home .home-path {
  padding: clamp(38px, 6vw, 76px) 0;
  background: var(--cloud);
  border-bottom: var(--line);
}

.page-home .home-path__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-home .home-path__title {
  margin-top: 10px;
  font-size: clamp(26px, 4.4vw, 36px);
}

.page-home .home-path__lead {
  margin-top: 12px;
  max-width: 30em;
  font-size: 16px;
  line-height: 1.85;
}

.page-home .home-path__figure {
  margin-top: 22px;
}

.page-home .home-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .step {
  border: var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}

.page-home .step summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-home .step__num {
  padding: 3px 7px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-home .step__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
}

.page-home .step__hint::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lake);
}

.page-home .step[open] .step__hint::after {
  content: "－";
}

.page-home .step[open] summary {
  background: var(--archive);
  border-bottom: 1px solid var(--home-hairline);
}

.page-home .step__body {
  padding: 14px 14px 18px;
}

.page-home .step__body > p {
  font-size: 15px;
  line-height: 1.82;
}

.page-home .step__list {
  display: grid;
  gap: 5px;
  margin-top: 14px;
}

.page-home .step__list dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--lake);
}

.page-home .step__list dd {
  margin: 0 0 7px;
  padding-left: 10px;
  border-left: 2px solid var(--archive);
  font-size: 14.5px;
  line-height: 1.75;
}

/* 版本对照速览 */
.page-home .home-compare {
  padding: clamp(38px, 6vw, 76px) 0;
  border-bottom: var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(14, 17, 22, 0.05) 0 1px, rgba(246, 243, 236, 0) 1px 48px),
    var(--paper);
}

.page-home .home-compare__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.page-home .home-compare__title {
  margin-top: 10px;
  font-size: clamp(26px, 4.4vw, 36px);
}

.page-home .home-compare__lead {
  margin-top: 10px;
  max-width: 32em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .home-compare__more {
  flex: none;
}

.page-home .compare-mirror {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-home .mirror-col {
  display: block;
  padding: 16px clamp(14px, 2vw, 20px) 18px;
  background: var(--cloud);
  border: var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.page-home .mirror-col--up {
  background: var(--paper);
}

.page-home .mirror-col:hover,
.page-home .mirror-col:focus-visible {
  transform: translateY(-4px);
  background: var(--cloud);
  box-shadow: var(--home-lift);
}

.page-home .mirror-col__name {
  display: block;
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.38;
}

.page-home .mirror-row {
  display: block;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--home-hairline);
}

.page-home .mirror-row__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--lake);
}

.page-home .mirror-row__v {
  display: block;
  margin-top: 4px;
  font-size: 14.5px;
  line-height: 1.72;
}

.page-home .home-compare__figure {
  margin-top: clamp(24px, 4vw, 40px);
}

/* 最近更新 */
.page-home .home-updates {
  padding: clamp(36px, 6vw, 72px) 0;
  background: var(--archive);
  border-bottom: var(--line);
}

.page-home .home-updates__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 22px;
}

.page-home .home-updates__title {
  margin-top: 10px;
  font-size: clamp(24px, 3.8vw, 34px);
}

.page-home .updates-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 82%);
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
}

.page-home .update-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: var(--cloud);
  border: var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  scroll-snap-align: start;
}

.page-home .update-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-home .update-card__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}

.page-home .update-card__text {
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .update-card__link {
  align-self: flex-start;
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 行动带 */
.page-home .home-action {
  padding-top: clamp(38px, 6vw, 72px);
  background: var(--ochre);
  color: var(--paper);
}

.page-home .home-action__head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-home .home-action__eyebrow {
  color: var(--paper);
}

.page-home .home-action__title {
  margin-top: 10px;
  font-size: clamp(26px, 4.6vw, 40px);
  color: var(--paper);
}

.page-home .action-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .action-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--paper);
  border: var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--ink);
}

.page-home .action-card--ink {
  background: var(--ink);
  color: var(--paper);
}

.page-home .action-card__kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--deep);
}

.page-home .action-card--ink .action-card__kicker {
  color: var(--flag-yellow);
}

.page-home .action-card h3 {
  font-size: 20px;
  line-height: 1.3;
}

.page-home .action-card p {
  font-size: 14.5px;
  line-height: 1.78;
}

.page-home .action-card--ink p {
  color: var(--footer-soft);
}

.page-home .action-card .btn {
  margin-top: 6px;
}

.page-home .home-endcap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: clamp(26px, 4vw, 40px);
  padding-bottom: clamp(26px, 4vw, 40px);
}

.page-home .home-endcap__link {
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(246, 243, 236, 0.6);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--paper);
  text-decoration: none;
}

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

.page-home .home-band {
  margin: 0;
  border-top: var(--line);
  background: var(--deep);
}

.page-home .home-band .home-img {
  aspect-ratio: 8 / 3;
}

/* 平板 */
@media (min-width: 640px) {
  .page-home .home-index__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

/* 桌面 */
@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.72fr);
    align-items: start;
  }

  .page-home .home-hero__figure {
    margin-top: 6px;
  }

  .page-home .home-path__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-home .home-path__aside {
    position: sticky;
    top: 24px;
  }

  .page-home .compare-mirror {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 36px);
    align-items: stretch;
  }

  .page-home .mirror-row {
    min-height: 96px;
  }

  .page-home .mirror-col--up {
    margin-top: 18px;
  }

  .page-home .updates-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition: none !important;
    animation: none !important;
  }

  .page-home .index-card:hover,
  .page-home .index-card:focus-visible,
  .page-home .mirror-col:hover,
  .page-home .mirror-col:focus-visible {
    transform: none;
  }
}