.page-app-download {
  --cd-cell-pad-y: var(--space-2);
  --cd-cell-pad-x: var(--space-3);
  --cd-col-dim: 21%;
}

/* ---------- 首屏 ---------- */
.page-app-download .client-hero {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-3) var(--space-8);
}

.page-app-download .client-hero .breadcrumb__list {
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
  font-size: var(--text-sm);
}

.page-app-download .client-hero .breadcrumb__list a {
  color: var(--color-contrast-accent);
  text-decoration: none;
}

.page-app-download .client-hero .breadcrumb__list a:hover {
  text-decoration: underline;
}

.page-app-download .client-hero__inner {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

@media (min-width: 960px) {
  .page-app-download .client-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: end;
  }
}

.page-app-download .client-hero__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-2);
}

.page-app-download .client-hero__title {
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-3);
  max-width: 22ch;
}

.page-app-download .client-hero__lede {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 86%, transparent);
  margin: 0;
  max-width: 54ch;
}

.page-app-download .client-hero__figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-app-download .client-hero__figure dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-app-download .client-hero__figure dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  flex-wrap: wrap;
}

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

.page-app-download .client-hero__unit {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

/* ---------- 对比区 ---------- */
.page-app-download .client-compare {
  background: var(--color-surface);
  padding-block: var(--space-8);
}

.page-app-download .client-compare__banner {
  margin: 0 0 var(--space-6);
}

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

.page-app-download .variant {
  display: block;
}

.page-app-download .variant__switch {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .variant-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-app-download .variant-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-app-download #cv-watch:checked ~ .variant__switch label[for="cv-watch"],
.page-app-download #cv-review:checked ~ .variant__switch label[for="cv-review"],
.page-app-download #cv-team:checked ~ .variant__switch label[for="cv-team"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

/* ---------- 三张版本卡 ---------- */
.page-app-download .variant__cards {
  display: grid;
  gap: var(--space-2);
  margin-bottom: 0;
}

@media (min-width: 720px) {
  .page-app-download .variant__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
  }
}

.page-app-download .variant-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-bottom-color: var(--color-surface-deep);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: var(--color-surface-deep);
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.page-app-download .variant-card::before {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  margin-bottom: var(--space-1);
}

.page-app-download .variant-card:nth-child(2)::before {
  background: var(--color-accent);
}

.page-app-download .variant-card:nth-child(3)::before {
  background: var(--color-ink-muted);
}

.page-app-download .variant-card:hover {
  transform: translateY(-1px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-1);
}

.page-app-download #cv-watch:checked ~ .variant__cards .variant-card:nth-child(1),
.page-app-download #cv-review:checked ~ .variant__cards .variant-card:nth-child(2),
.page-app-download #cv-team:checked ~ .variant__cards .variant-card:nth-child(3) {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-2);
}

.page-app-download .variant-card__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-app-download .variant-card__name {
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-app-download .variant-card__note {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .variant-card__for {
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 对比表 ---------- */
.page-app-download .compare-wrap {
  border: var(--border-thin) solid var(--color-line);
  border-top: 0;
  background: var(--color-surface);
}

.page-app-download .compare-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  background: var(--color-surface);
}

.page-app-download .compare-table__col-dim {
  width: var(--cd-col-dim);
}

.page-app-download .compare-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--color-surface-deep);
  border-bottom: var(--border-thin) solid var(--color-line);
  padding: var(--space-2) var(--cd-cell-pad-x);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  text-align: left;
  white-space: nowrap;
}

.page-app-download .compare-table tbody th,
.page-app-download .compare-table tbody td {
  padding: var(--cd-cell-pad-y) var(--cd-cell-pad-x);
  border-bottom: var(--border-thin) solid var(--color-line);
  vertical-align: top;
  text-align: left;
  color: var(--color-ink);
}

.page-app-download .compare-table tbody th {
  font-weight: var(--weight-heading);
}

.page-app-download .compare-table tbody tr > * + * {
  border-left: var(--border-thin) solid var(--color-line);
}

.page-app-download .compare-table tbody tr:last-child > * {
  border-bottom: 0;
}

.page-app-download .compare-table tbody tr:hover > th,
.page-app-download .compare-table tbody tr:hover > td {
  background: var(--color-surface-alt);
}

.page-app-download .compare-table__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin-bottom: 2px;
}

.page-app-download .compare-table__label {
  display: block;
  font-size: var(--text-base);
}

.page-app-download .compare-table__none {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-app-download #cv-watch:checked ~ .compare-wrap .compare-table tr > *:nth-child(2),
.page-app-download #cv-review:checked ~ .compare-wrap .compare-table tr > *:nth-child(3),
.page-app-download #cv-team:checked ~ .compare-wrap .compare-table tr > *:nth-child(4) {
  background: var(--color-highlight);
}

/* ---------- 口径说明区 ---------- */
.page-app-download .client-notes {
  background: var(--color-surface-alt);
  padding-block: var(--space-8);
}

.page-app-download .client-notes__grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 960px) {
  .page-app-download .client-notes__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
}

.page-app-download .client-notes__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}

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

.page-app-download .client-notes__lead a,
.page-app-download .acquire__text a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-app-download .client-notes__body .fold + .fold {
  margin-top: var(--space-2);
}

.page-app-download .fold__summary {
  cursor: pointer;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  padding-block: var(--space-2);
}

.page-app-download .fold__summary:hover {
  color: var(--color-accent);
}

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

.page-app-download .client-notes__media {
  margin: 0;
}

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

/* ---------- 选择建议 ---------- */
.page-app-download .client-advice {
  background: var(--color-surface);
  padding-block: var(--space-8);
}

.page-app-download .client-advice__head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-app-download .client-advice__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-app-download .client-advice__lead {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0;
}

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

@media (min-width: 860px) {
  .page-app-download .advice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-app-download .advice-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
}

.page-app-download .advice-card__tag {
  align-self: flex-start;
  padding: 2px var(--space-1);
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  margin: 0;
}

.page-app-download .advice-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-app-download .advice-card__text {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0;
}

.page-app-download .advice-card__pick {
  margin: auto 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

/* ---------- 获取与安装准备 ---------- */
.page-app-download .client-acquire {
  background: var(--color-surface-alt);
  padding-block: var(--space-8);
}

.page-app-download .acquire__banner {
  margin: 0 0 var(--space-6);
}

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

.page-app-download .acquire__grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 960px) {
  .page-app-download .acquire__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: var(--space-8);
    align-items: start;
  }
}

.page-app-download .acquire__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}

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

.page-app-download .acquire__subtitle {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .acquire__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-app-download .acquire__list li {
  display: grid;
  grid-template-columns: var(--space-4) minmax(0, 1fr);
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-app-download .acquire__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  padding-top: 3px;
}

.page-app-download .acquire__media {
  margin: 0;
}

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

/* ---------- 行动出口 ---------- */
.page-app-download .client-exit {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-8);
}

.page-app-download .client-exit__inner {
  max-width: 62ch;
}

.page-app-download .client-exit__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-2);
}

.page-app-download .client-exit__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-3);
}

.page-app-download .client-exit__text {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
  margin: 0 0 var(--space-4);
}

.page-app-download .client-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
}

/* ---------- 移动端对比表转为分组堆叠 ---------- */
@media (max-width: 719px) {
  .page-app-download .compare-wrap {
    border-top: var(--border-thin) solid var(--color-line);
    background: transparent;
  }

  .page-app-download .compare-table {
    display: block;
    table-layout: auto;
    background: transparent;
    font-size: var(--text-base);
  }

  .page-app-download .compare-table colgroup,
  .page-app-download .compare-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .page-app-download .compare-table tbody,
  .page-app-download .compare-table tr,
  .page-app-download .compare-table th,
  .page-app-download .compare-table td {
    display: block;
    width: auto;
  }

  .page-app-download .compare-table tbody tr {
    border: var(--border-thin) solid var(--color-line);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    margin-bottom: var(--space-2);
    overflow: hidden;
  }

  .page-app-download .compare-table tbody tr > * + * {
    border-left: 0;
  }

  .page-app-download .compare-table tbody th {
    background: var(--color-surface-deep);
    border-bottom: var(--border-thin) solid var(--color-line);
    padding: var(--space-2) var(--cd-cell-pad-x);
  }

  .page-app-download .compare-table tbody td {
    padding: var(--space-2) var(--cd-cell-pad-x);
  }

  .page-app-download .compare-table tbody tr:last-child > * {
    border-bottom: var(--border-thin) solid var(--color-line);
  }

  .page-app-download .compare-table tbody tr > *:last-child {
    border-bottom: 0;
  }

  .page-app-download .compare-table td::before {
    content: attr(data-variant);
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.08em;
    color: var(--color-ink-muted);
    margin-bottom: 2px;
  }

  .page-app-download #cv-watch:checked ~ .compare-wrap .compare-table tr > *:nth-child(2),
  .page-app-download #cv-review:checked ~ .compare-wrap .compare-table tr > *:nth-child(3),
  .page-app-download #cv-team:checked ~ .compare-wrap .compare-table tr > *:nth-child(4) {
    background: var(--color-highlight);
  }

  .page-app-download .variant-card {
    border-radius: var(--radius-md);
    border-bottom-color: var(--color-line);
  }

  .page-app-download .compare-wrap {
    margin-top: var(--space-3);
  }
}

@media (max-width: 480px) {
  .page-app-download .client-hero__figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-app-download .client-exit__actions .btn {
    width: 100%;
    text-align: center;
  }
}