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

/* ---------- 首屏 ---------- */

.page-app-download .client-hero {
  padding-block: var(--space-6) var(--space-8);
  border-bottom: var(--border-thin) solid var(--color-line);
}

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

.page-app-download .client-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: var(--space-2) 0 var(--space-3);
  max-width: 20ch;
}

.page-app-download .client-hero__lead {
  margin: 0;
  max-width: var(--measure);
}

.page-app-download .hero-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .hero-figure {
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .hero-figure:nth-child(even) {
  padding-left: var(--space-3);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-app-download .hero-figure__value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.page-app-download .hero-figure__key {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

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

/* ---------- 版本区块 ---------- */

.page-app-download .version {
  border-top: var(--border-thin) solid var(--color-line);
  scroll-margin-top: 96px;
}

.page-app-download .version__inner {
  display: grid;
  gap: var(--space-4);
  padding-block: var(--space-6);
}

.page-app-download .version__name {
  position: relative;
  display: inline-block;
  margin: var(--space-1) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-app-download .version__name::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 160ms linear;
}

.page-app-download .version:hover .version__name::after,
.page-app-download .version:focus-within .version__name::after {
  width: 100%;
}

.page-app-download .version__for {
  margin: 0 0 var(--space-2);
  max-width: 36ch;
  line-height: 1.9;
  color: var(--color-ink-soft);
}

.page-app-download .version__band {
  margin: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .version__band .data-cell {
  display: grid;
  grid-template-columns: minmax(0, 6em) minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 160ms linear;
}

.page-app-download .version__band .data-cell:hover {
  background-color: var(--color-highlight);
}

.page-app-download .version__band .data-key {
  font-size: var(--text-sm);
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-app-download .version__band .data-value {
  margin: 0;
  line-height: 1.9;
  color: var(--color-ink);
}

.page-app-download .version__advice {
  margin: var(--space-3) 0 0;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-primary-soft);
  border-left: 2px solid var(--color-primary);
  line-height: 1.9;
  color: var(--color-ink);
}

.page-app-download .version__figure {
  margin: var(--space-4) 0 0;
}

/* ---------- 获取与安装准备 ---------- */

.page-app-download .acquire-note {
  margin: 0 0 var(--space-6);
  max-width: var(--measure);
  padding: var(--space-3);
  background-color: var(--color-surface-deep);
  border-left: 2px solid var(--color-ink-muted);
  line-height: 1.9;
  color: var(--color-ink-soft);
}

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

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

.page-app-download .fold {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .fold:last-of-type {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .fold summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  transition: color 160ms linear;
}

.page-app-download .fold summary::-webkit-details-marker {
  display: none;
}

.page-app-download .fold summary::after {
  content: "展开";
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-app-download .fold[open] summary::after {
  content: "收起";
}

.page-app-download .fold summary:hover {
  color: var(--color-primary);
}

.page-app-download .fold__body {
  padding: 0 0 var(--space-4);
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: 1.9;
}

.page-app-download .fold__body p {
  margin: 0 0 var(--space-2);
}

.page-app-download .fold__body ul {
  margin: var(--space-2) 0 0;
  padding-left: 1.1em;
  list-style: square;
}

.page-app-download .fold__body li {
  margin-bottom: var(--space-1);
}

.page-app-download .fold__body li:last-child {
  margin-bottom: 0;
}

/* ---------- 选择建议与出口 ---------- */

.page-app-download .section--deep .eyebrow {
  color: var(--color-contrast-accent);
}

.page-app-download .section--deep .section-title {
  color: var(--color-contrast-ink);
}

.page-app-download .section--deep .lead {
  color: var(--color-contrast-ink);
}

.page-app-download .exit-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-app-download .exit-item {
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-app-download .exit-link {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--color-contrast-ink);
  transition: border-color 160ms linear, background-color 160ms linear;
}

.page-app-download .exit-link:hover,
.page-app-download .exit-link:focus-visible {
  border-left-color: var(--color-contrast-accent);
  background-color: color-mix(in srgb, var(--color-contrast-ink) 7%, transparent);
}

.page-app-download .exit-link__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.page-app-download .exit-link__note {
  font-size: var(--text-sm);
  line-height: 1.8;
  opacity: 0.78;
}

/* ---------- 图片容器与焦点 ---------- */

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

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

/* ---------- 桌面端 ---------- */

@media (min-width: 860px) {
  .page-app-download .client-hero {
    padding-block: var(--space-8) var(--section-y);
  }

  .page-app-download .client-hero__inner {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    column-gap: var(--space-8);
    align-items: end;
  }

  .page-app-download .hero-figures {
    margin-top: var(--space-8);
  }

  .page-app-download .version__inner {
    grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
    column-gap: var(--space-8);
    align-items: start;
    padding-block: var(--space-8);
  }

  .page-app-download .prepare {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    column-gap: var(--space-8);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-app-download .client-hero__inner {
    column-gap: var(--space-8);
  }

  .page-app-download .version__band .data-cell {
    grid-template-columns: minmax(0, 7em) minmax(0, 1fr);
  }
}
</style>