.page-app-download {
  --dl-cell-no-width: 56px;
  --dl-stick-bg: var(--color-contrast-surface);
}

.page-app-download img {
  max-width: 100%;
  height: auto;
}

.page-app-download a:focus-visible,
.page-app-download input:focus-visible,
.page-app-download [tabindex]:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 上下文条 ---------- */
.page-app-download .dl-crumb {
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .dl-crumb__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-1) var(--space-3);
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.page-app-download .sk-breadcrumb__list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
}

.page-app-download .sk-breadcrumb__list li {
  display: inline;
  color: var(--color-ink-muted);
}

.page-app-download .sk-breadcrumb__list li + li::before {
  content: " / ";
  color: var(--color-ink-muted);
}

.page-app-download .sk-breadcrumb__list a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) dashed color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.page-app-download .sk-breadcrumb__list a:hover {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
}

.page-app-download .dl-crumb__no {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.03em;
}

/* ---------- 首屏 ---------- */
.page-app-download .dl-hero {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-app-download .dl-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-app-download .dl-hero__title {
  margin: 0 0 var(--space-3);
  max-width: 22ch;
  color: var(--color-contrast-ink);
}

.page-app-download .dl-hero__lede {
  max-width: var(--measure);
  margin: 0;
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
}

.page-app-download .dl-band {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

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

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

.page-app-download .dl-fig--lead {
  border-left-color: var(--color-contrast-accent);
}

.page-app-download .dl-fig__k {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-contrast-ink) 60%, transparent);
}

.page-app-download .dl-fig__v {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-variant-numeric: tabular-nums;
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-ink);
}

.page-app-download .dl-fig--lead .dl-fig__v {
  color: var(--color-contrast-accent);
}

.page-app-download .dl-fig__note {
  font-size: var(--text-xs);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 52%, transparent);
}

.page-app-download .dl-band__figure {
  margin: 0;
}

.page-app-download .dl-band__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 对比表 ---------- */
.page-app-download .dl-tablezone {
  margin-top: var(--space-8);
}

.page-app-download .dl-table__head {
  border-bottom-color: var(--color-contrast-line);
}

.page-app-download .dl-table__head .sk-head__title {
  color: var(--color-contrast-ink);
}

.page-app-download .dl-table__head .sk-head__meta {
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.page-app-download .dl-table__intro {
  margin: var(--space-2) 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.page-app-download .dl-tablewrap {
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-contrast-line);
}

.page-app-download .dl-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-app-download .dl-table th,
.page-app-download .dl-table td {
  padding: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
  vertical-align: top;
  text-align: left;
}

.page-app-download .dl-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--dl-stick-bg);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-body);
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
  border-bottom: var(--border-thick) solid var(--color-contrast-accent);
}

.page-app-download .dl-table__no {
  width: var(--dl-cell-no-width);
  min-width: var(--dl-cell-no-width);
  text-align: right;
}

.page-app-download .dl-table__dim {
  min-width: 300px;
}

.page-app-download .dl-table__col {
  width: 130px;
  min-width: 130px;
  text-align: center;
}

.page-app-download .dl-table thead .dl-table__col--v4 {
  color: var(--color-contrast-accent);
  border-left: var(--border-thin) solid var(--color-contrast-accent);
  border-right: var(--border-thin) solid var(--color-contrast-accent);
}

.page-app-download .dl-table__group th {
  padding: var(--space-1) var(--space-2);
  background: color-mix(in srgb, var(--color-contrast-ink) 9%, transparent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-body);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
  position: static;
}

.page-app-download .dl-cell-no {
  position: sticky;
  left: 0;
  z-index: 1;
  width: var(--dl-cell-no-width);
  min-width: var(--dl-cell-no-width);
  background: var(--dl-stick-bg);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-xs);
  text-align: right;
  color: color-mix(in srgb, var(--color-contrast-ink) 50%, transparent);
}

.page-app-download .dl-cell-dim {
  min-width: 300px;
  max-width: 380px;
}

.page-app-download .dl-dim__name {
  display: block;
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-app-download .dl-dim__note {
  display: block;
  margin-top: 5px;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-contrast-ink) 56%, transparent);
}

.page-app-download .dl-cell-st {
  width: 130px;
  min-width: 130px;
  text-align: center;
}

.page-app-download .dl-cell-v4 {
  background: color-mix(in srgb, var(--color-contrast-accent) 15%, transparent);
  border-left: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-accent) 55%, transparent);
  border-right: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-accent) 55%, transparent);
}

.page-app-download .dl-state {
  display: inline-block;
  padding: 2px 8px;
  border: var(--border-thin) solid transparent;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-app-download .dl-state--ok {
  background: var(--color-contrast-accent);
  color: var(--color-accent-ink);
}

.page-app-download .dl-state--part {
  border-color: color-mix(in srgb, var(--color-contrast-accent) 68%, transparent);
  color: var(--color-contrast-accent);
}

.page-app-download .dl-state--setup {
  border-color: color-mix(in srgb, var(--color-primary) 85%, transparent);
  color: var(--color-contrast-ink);
}

.page-app-download .dl-state--na {
  color: color-mix(in srgb, var(--color-contrast-ink) 42%, transparent);
}

/* ---------- 方案定位 ---------- */
.page-app-download .dl-plan__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .dl-plan__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  border-left: 3px solid var(--color-line);
}

.page-app-download .dl-plan__item--primary {
  border-left-color: var(--color-primary);
}

.page-app-download .dl-plan__item--accent {
  border-left-color: var(--color-accent);
}

.page-app-download .dl-plan__no {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-accent);
  padding-top: 4px;
}

.page-app-download .dl-plan__name {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-app-download .dl-plan__desc {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .dl-pair {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-app-download .dl-pair__row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-1) 0;
  border-top: var(--border-thin) dashed var(--color-line);
}

.page-app-download .dl-pair__k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  padding-top: 2px;
}

.page-app-download .dl-pair__v {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink);
}

.page-app-download .dl-plan__note {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .dl-plan__note a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.page-app-download .dl-plan__note a:hover {
  color: var(--color-focus);
}

/* ---------- 安装准备 ---------- */
.page-app-download .dl-prep__grid {
  display: grid;
  gap: var(--space-4);
}

.page-app-download .dl-prep__figure {
  margin: 0;
}

.page-app-download .dl-prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-app-download .dl-prep__panel {
  display: grid;
  gap: var(--space-3);
}

.page-app-download .dl-prep__hint {
  margin: 0;
  padding-left: var(--space-2);
  border-left: 3px solid var(--color-primary);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .dl-check {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .dl-check__item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .dl-check__box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: var(--border-thin) solid var(--color-ink-muted);
  background: var(--color-surface);
  cursor: pointer;
  position: relative;
}

.page-app-download .dl-check__box:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.page-app-download .dl-check__box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 4px;
  height: 9px;
  border-right: 2px solid var(--color-accent-ink);
  border-bottom: 2px solid var(--color-accent-ink);
  transform: rotate(45deg);
}

.page-app-download .dl-check__label {
  display: block;
  cursor: pointer;
}

.page-app-download .dl-check__name {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-app-download .dl-check__how {
  display: block;
  margin-top: 4px;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

/* ---------- 场景建议 ---------- */
.page-app-download .dl-scene__figure {
  margin: 0 0 var(--space-6);
}

.page-app-download .dl-scene__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-app-download .dl-scene__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .dl-scene__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2) var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  border-left: 3px solid transparent;
}

.page-app-download .dl-scene__item:hover {
  border-left-color: var(--color-accent);
}

.page-app-download .dl-scene__no {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  padding-top: 5px;
}

.page-app-download .dl-scene__name {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-app-download .dl-scene__pick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-1);
}

.page-app-download .dl-scene__pick-k {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-app-download .dl-scene__why {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 尾部 ---------- */
.page-app-download .dl-tail__title {
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
}

.page-app-download .dl-tail__grid {
  display: grid;
  gap: var(--space-4);
}

.page-app-download .dl-child {
  display: block;
  padding: var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink);
  text-decoration: none;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.page-app-download .dl-child:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-alt);
}

.page-app-download .dl-child__media {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-contrast-surface);
  margin-bottom: var(--space-2);
}

.page-app-download .dl-child__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-app-download .dl-child__no {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-app-download .dl-child__title {
  display: block;
  margin-top: 4px;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-app-download .dl-child__desc {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-app-download .dl-child__go {
  display: block;
  margin-top: var(--space-2);
  padding-top: var(--space-1);
  border-top: var(--border-thin) dashed var(--color-line);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-app-download .dl-bound {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-top: 3px solid var(--color-contrast-surface);
  background: var(--color-surface);
}

.page-app-download .dl-bound__title {
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
}

.page-app-download .dl-bound__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-app-download .dl-bound__list li {
  position: relative;
  padding: var(--space-1) 0 var(--space-1) var(--space-3);
  border-bottom: var(--border-thin) dotted var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-app-download .dl-bound__list li:last-child {
  border-bottom: none;
}

.page-app-download .dl-bound__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.page-app-download .dl-bound__list a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.page-app-download .dl-bound__list a:hover {
  color: var(--color-focus);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-app-download .dl-band {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-app-download .dl-plan__item {
    grid-template-columns: 64px minmax(0, 1fr);
    padding-left: var(--space-3);
  }

  .page-app-download .dl-scene__item {
    grid-template-columns: 64px minmax(0, 1fr);
    padding-left: var(--space-3);
  }

  .page-app-download .dl-prep__grid {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
    gap: var(--space-4);
  }

  .page-app-download .dl-tail__grid {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
    gap: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .page-app-download .dl-hero__title {
    max-width: 21ch;
  }

  .page-app-download .dl-band {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: var(--space-6);
  }

  .page-app-download .dl-prep__grid {
    grid-template-columns: 340px minmax(0, 1fr);
    gap: var(--space-6);
  }

  .page-app-download .dl-tail__grid {
    grid-template-columns: 340px minmax(0, 1fr);
  }

  .page-app-download .dl-plan__item {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }
}

@media (min-width: 1180px) {
  .page-app-download .dl-tablewrap {
    margin-right: calc(var(--gutter) * -1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-app-download .dl-child {
    transition: none;
  }
}