.page-home {
  overflow-x: hidden;
}

/* ================= 首屏看板 ================= */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.page-home .hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.6) contrast(.94) brightness(.72);
}

.page-home .hero__mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--color-contrast-ink) 16%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--color-contrast-ink) 16%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .45;
}

.page-home .hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--overlay-scrim);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 30px;
  z-index: 2;
  border-right: var(--border-thin) solid var(--color-contrast-line);
  background-image: repeating-linear-gradient(
    to bottom,
    var(--color-contrast-line) 0 1px,
    transparent 1px 32px
  );
  opacity: .75;
  pointer-events: none;
}

.page-home .hero__inner {
  position: relative;
  z-index: 3;
  display: grid;
  gap: var(--space-6);
  padding-top: calc(var(--space-8) * 1.7);
  padding-bottom: var(--space-6);
}

.page-home .hero .eyebrow {
  color: var(--color-contrast-accent);
  letter-spacing: .14em;
}

.page-home .hero__title {
  margin: var(--space-3) 0 0;
  max-width: 14ch;
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}

.page-home .hero__lead {
  margin: var(--space-3) 0 0;
  max-width: 44ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: .84;
}

.page-home .hero__figures {
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .hero__figures-label {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: .16em;
  color: var(--color-contrast-ink);
  opacity: .6;
}

.page-home .metric-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-3);
}

.page-home .metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .metric__num {
  font-size: var(--text-figure);
  line-height: 1;
  font-weight: var(--weight-heading);
  letter-spacing: -.03em;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums;
}

.page-home .metric__key {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-contrast-ink);
  opacity: .68;
}

.page-home .hero__preview {
  position: relative;
  z-index: 3;
  padding-bottom: var(--space-6);
}

.page-home .preview-list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--border-thin);
  background-color: var(--color-contrast-line);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .preview-item {
  min-width: 0;
}

.page-home .preview-item__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-3) var(--space-2);
  background-color: color-mix(in srgb, var(--color-contrast-surface) 72%, transparent);
  color: var(--color-contrast-ink);
  text-decoration: none;
  transition: background-color .18s cubic-bezier(.2, .7, .3, 1);
}

.page-home .preview-item__link:hover,
.page-home .preview-item__link:focus-visible {
  background-color: color-mix(in srgb, var(--color-contrast-accent) 26%, var(--color-contrast-surface));
}

.page-home .preview-item__name {
  font-size: var(--text-sm);
  font-weight: 500;
}

.page-home .preview-item__num {
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-accent);
  letter-spacing: -.02em;
}

.page-home .preview-item__note {
  font-size: var(--text-xs);
  line-height: 1.5;
  opacity: .62;
}

/* ================= 四条主线 ================= */
.page-home .hub__head,
.page-home .changes__head,
.page-home .devices__head,
.page-home .path__head {
  max-width: 62ch;
}

.page-home .hub__lead,
.page-home .changes__lead {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .strip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2) var(--space-3);
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: inset 3px 0 0 var(--color-primary);
  background-image: linear-gradient(115deg, var(--color-primary-soft) 0%, var(--color-surface) 48%, var(--color-highlight) 100%);
  color: var(--color-ink);
  text-decoration: none;
  transition: border-color .18s cubic-bezier(.2, .7, .3, 1), box-shadow .18s cubic-bezier(.2, .7, .3, 1);
}

.page-home .strip:hover,
.page-home .strip:focus-visible {
  border-color: var(--color-primary);
  box-shadow: inset 3px 0 0 var(--color-primary), var(--shadow-1);
}

.page-home .strip__num {
  font-size: var(--text-lg);
  letter-spacing: -.02em;
  color: var(--color-primary);
}

.page-home .strip__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.page-home .strip__kicker {
  font-size: var(--text-xs);
  letter-spacing: .14em;
  color: var(--color-accent);
}

.page-home .strip__title {
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .strip__text {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .strip__aside {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-home .strip__hint {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .ledger {
  margin-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .ledger__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .ledger__title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .ledger__more {
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
  padding-bottom: 2px;
}

.page-home .ledger__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .ledger__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: var(--space-1) var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: border-color .18s cubic-bezier(.2, .7, .3, 1);
}

.page-home .ledger__row:hover {
  border-bottom-color: var(--color-accent);
}

.page-home .ledger__num {
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: .04em;
  padding-top: 3px;
}

.page-home .ledger__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-home .ledger__name {
  font-size: var(--text-lg);
  color: var(--color-ink);
  font-weight: 500;
}

.page-home .ledger__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .ledger__row .chip {
  grid-column: 2;
  justify-self: start;
}

.page-home .pair {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.page-home .pair__card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--color-surface-deep);
  box-shadow: inset 0 0 0 var(--border-thin) var(--color-line);
  color: var(--color-ink);
  text-decoration: none;
  transition: background-color .18s cubic-bezier(.2, .7, .3, 1), box-shadow .18s cubic-bezier(.2, .7, .3, 1);
}

.page-home .pair__card:hover,
.page-home .pair__card:focus-visible {
  background-color: var(--color-primary-soft);
  box-shadow: inset 0 0 0 var(--border-thin) var(--color-primary);
}

.page-home .pair__kicker {
  font-size: var(--text-xs);
  letter-spacing: .14em;
  color: var(--color-accent);
}

.page-home .pair__title {
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
}

.page-home .pair__text {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .pair__meta {
  margin-top: auto;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-home .lines {
  margin-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .lines__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-1) var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  color: var(--color-ink);
  text-decoration: none;
  transition: border-color .18s cubic-bezier(.2, .7, .3, 1), color .18s cubic-bezier(.2, .7, .3, 1);
}

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

.page-home .lines__title {
  font-size: var(--text-base);
  font-weight: 500;
}

.page-home .lines__note {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ================= 新旧对照 ================= */
.page-home .changes__list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .change {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .change__index {
  font-size: var(--text-xl);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--color-primary);
  padding-top: 2px;
}

.page-home .change__body {
  min-width: 0;
}

.page-home .change__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .change__pair {
  display: grid;
  gap: var(--space-2);
}

.page-home .change__old,
.page-home .change__new {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .change__tag {
  display: inline-block;
  margin-right: var(--space-2);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  letter-spacing: .08em;
  background-color: var(--color-surface-deep);
  color: var(--color-ink-muted);
}

.page-home .change__tag--new {
  background-color: var(--color-highlight);
  color: var(--color-accent);
}

.page-home .changes__foot {
  margin: var(--space-6) 0 0;
}

/* ================= 14 天数据面板 ================= */
.page-home .data__panel {
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  box-shadow: var(--shadow-2);
}

.page-home .data__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .data .eyebrow {
  color: var(--color-contrast-accent);
  letter-spacing: .14em;
}

.page-home .data__title {
  margin: var(--space-2) 0 0;
  color: var(--color-contrast-ink);
}

.page-home .data__link {
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
  padding-bottom: 2px;
}

.page-home .data__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
  padding: var(--space-4) 0;
}

.page-home .dfigure__num {
  margin: 0;
  font-size: var(--text-3xl);
  line-height: 1;
  font-weight: var(--weight-heading);
  letter-spacing: -.03em;
  color: var(--color-contrast-ink);
  font-variant-numeric: tabular-nums;
}

.page-home .dfigure__key {
  margin: var(--space-1) 0 0;
  font-size: var(--text-xs);
  letter-spacing: .06em;
  color: var(--color-contrast-ink);
  opacity: .62;
}

.page-home .data__split {
  display: grid;
  gap: var(--space-5, var(--space-4));
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .data__figure {
  margin: 0;
}

.page-home .data__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.6);
  opacity: .9;
}

.page-home .data__figure .media__caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  opacity: .6;
}

.page-home .corner__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin: 0;
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
}

.page-home .corner__bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 190px;
  margin-top: var(--space-3);
  padding-bottom: var(--space-1);
  overflow-x: auto;
}

.page-home .corner__col {
  flex: 1 1 0;
  min-width: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .corner__track {
  flex: 1 1 auto;
  display: flex;
  align-items: flex-end;
  min-height: 0;
}

.page-home .corner__bar {
  display: block;
  width: 100%;
  height: var(--h);
  background-color: var(--color-contrast-accent);
  border-radius: 4px 4px 0 0;
  transition: background-color .18s cubic-bezier(.2, .7, .3, 1);
}

.page-home .corner__col:hover .corner__bar {
  background-color: var(--color-highlight);
}

.page-home .corner__val {
  font-size: 11px;
  text-align: center;
  color: var(--color-contrast-ink);
  opacity: .6;
  font-variant-numeric: tabular-nums;
}

.page-home .corner__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-contrast-ink);
  opacity: .58;
}

.page-home .data__filters {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .data__filter {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: .8;
}

/* ================= 设备形态 ================= */
.page-home .devices__grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-home .device {
  --card-accent: var(--color-primary);
  position: relative;
  padding: var(--space-4) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .device::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 48px;
  height: 2px;
  background-color: var(--card-accent);
}

.page-home .device--pad {
  --card-accent: var(--color-accent);
}

.page-home .device--desk {
  --card-accent: var(--color-ink-muted);
}

.page-home .device__tag {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: .14em;
  color: var(--card-accent);
}

.page-home .device__title {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .device__text {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .device__link {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--card-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
  padding-bottom: 2px;
}

.page-home .devices__figure,
.page-home .path__figure {
  margin: var(--space-6) 0 0;
}

.page-home .devices__figure .media__img,
.page-home .path__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.62);
}

.page-home .devices__figure .media__caption,
.page-home .path__figure .media__caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ================= 使用路径 ================= */
.page-home .steps {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: border-color .18s cubic-bezier(.2, .7, .3, 1);
}

.page-home .step:hover {
  border-bottom-color: var(--color-accent);
}

.page-home .step__num {
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--color-primary);
}

.page-home .step__body {
  min-width: 0;
}

.page-home .step__title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .step__text {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .step__link {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
  padding-bottom: 2px;
}

/* ================= 收尾 ================= */
.page-home .outro {
  padding: var(--space-6) 0 var(--space-8);
}

.page-home .outro__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .outro__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .outro__text a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

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

/* ================= 断点 ================= */
@media (max-width: 639px) {
  .page-home .hero::after {
    display: none;
  }

  .page-home .hero__inner {
    padding-top: calc(var(--space-8) * 1.2);
  }

  .page-home .preview-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .metric__num {
    font-size: var(--text-3xl);
  }

  .page-home .data__panel {
    padding: var(--space-4) var(--space-3);
  }

  .page-home .corner__bars {
    height: 150px;
  }

  .page-home .strip {
    padding: var(--space-3) var(--space-3);
  }
}

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

  .page-home .change__pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

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

  .page-home .strip__aside {
    grid-column: 3;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
  }

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

  .page-home .ledger__row .chip {
    grid-column: 3;
    justify-self: end;
  }
}

@media (min-width: 768px) {
  .page-home .hub__lead,
  .page-home .changes__lead {
    font-size: var(--text-lg);
  }

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

  .page-home .devices__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

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

@media (min-width: 980px) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: var(--space-6);
    padding-top: calc(var(--space-8) * 2.1);
    padding-bottom: var(--space-6);
  }

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

  .page-home .data__panel {
    padding: var(--space-6) var(--space-6) var(--space-4);
  }

  .page-home .data__split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
    gap: var(--space-6);
  }
}

@media (min-width: 1160px) {
  .page-home .strip {
    padding: var(--space-4) var(--space-4);
  }

  .page-home .change {
    grid-template-columns: 64px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .preview-item__link,
  .page-home .strip,
  .page-home .pair__card,
  .page-home .lines__row,
  .page-home .ledger__row,
  .page-home .step,
  .page-home .corner__bar {
    transition: none;
  }
}

.page-home {
  --h: 1rem;
  --space-5: var(--space-8);
}