/* ============================================================
   客户端下载对照 /app-download/
   ============================================================ */

.page-app-download {
  --cmp-cell-y: var(--space-3);
  --cmp-cell-x: var(--space-3);
}

/* ---------------- 面包屑 ---------------- */
.page-app-download .breadcrumbs {
  padding-block: var(--space-4) var(--space-2);
}

.page-app-download .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-app-download .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.page-app-download .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--color-line);
}

.page-app-download .breadcrumbs__item a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
}

.page-app-download .breadcrumbs__item a:hover,
.page-app-download .breadcrumbs__item a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------------- 首屏 ---------------- */
.page-app-download .hero {
  position: relative;
  isolation: isolate;
  padding-block: var(--space-1) var(--section-y);
  background:
    radial-gradient(118% 86% at 6% 0%, var(--color-primary-soft) 0%, transparent 62%),
    linear-gradient(168deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  overflow: hidden;
}

.page-app-download .hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: -8%;
  bottom: -22%;
  width: min(52vw, 480px);
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-pill);
  background: linear-gradient(140deg, var(--color-primary-soft) 0%, transparent 74%);
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-app-download .hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
}

.page-app-download .hero__copy {
  min-width: 0;
}

.page-app-download .hero__title {
  margin: var(--space-2) 0 0;
  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);
  text-wrap: balance;
}

.page-app-download .hero__lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-app-download .hero__stat {
  padding-inline-start: var(--space-2);
  border-inline-start: var(--border-thin) solid var(--color-line);
}

.page-app-download .hero__stat-num {
  display: block;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.1;
  letter-spacing: 0.03em;
  color: var(--color-primary);
}

.page-app-download .hero__stat-k {
  display: block;
  margin-block-start: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-app-download .hero__visual {
  margin: 0;
  display: grid;
  gap: var(--space-3);
  min-width: 0;
}

.page-app-download .hero__bands {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1fr;
  gap: var(--space-2);
  height: 86px;
}

.page-app-download .hero__band {
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
}

.page-app-download .hero__band--main {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-soft) 100%);
  border-radius: var(--radius-lg);
}

.page-app-download .hero__band--preview {
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-highlight) 100%);
}

.page-app-download .hero__band--legacy {
  background: repeating-linear-gradient(
    135deg,
    var(--color-surface-deep) 0 7px,
    var(--color-line) 7px 14px
  );
}

.page-app-download .hero__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-2);
  background: linear-gradient(150deg, var(--color-primary-soft), var(--color-surface-alt));
}

.page-app-download .hero__caption {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ---------------- 对比表 ---------------- */
.page-app-download .cmp-wrap {
  margin-block-start: var(--space-6);
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
  -webkit-overflow-scrolling: touch;
}

.page-app-download .cmp {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-app-download .cmp thead th {
  padding: var(--space-3);
  text-align: left;
  vertical-align: bottom;
  background: var(--color-surface-deep);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 0.25s ease;
}

.page-app-download .cmp__corner {
  width: 21%;
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  color: var(--color-ink-muted);
}

.page-app-download .cmp__colh-name {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  color: var(--color-ink-soft);
}

.page-app-download .cmp__colh-ver {
  display: block;
  margin-block-start: var(--space-1);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.02em;
  color: var(--color-primary);
}

.page-app-download .cmp__group-cell {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  background: var(--color-primary-soft);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.page-app-download .cmp__group-num {
  display: inline-block;
  min-width: 1.8em;
  color: var(--color-primary);
}

.page-app-download .cmp__item {
  width: 21%;
  padding: var(--cmp-cell-y) var(--cmp-cell-x);
  text-align: left;
  vertical-align: top;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.6;
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 0.25s ease;
}

.page-app-download .cmp tbody td {
  padding: var(--cmp-cell-y) var(--cmp-cell-x);
  vertical-align: top;
  line-height: 1.7;
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 0.25s ease;
}

.page-app-download .cmp tbody tr:last-child td,
.page-app-download .cmp tbody tr:last-child .cmp__item {
  border-bottom: 0;
}

.page-app-download .cmp__hint {
  display: block;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-block-start: 0;
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  line-height: 1.6;
  color: var(--color-ink-muted);
  transition: max-height 0.3s ease, opacity 0.3s ease, margin-block-start 0.3s ease;
}

.page-app-download .cmp tbody tr:hover .cmp__hint,
.page-app-download .cmp tbody tr:focus-within .cmp__hint {
  max-height: 6em;
  opacity: 1;
  margin-block-start: var(--space-1);
}

.page-app-download .cmp tbody tr:hover td,
.page-app-download .cmp tbody tr:hover .cmp__item {
  background-color: var(--color-surface-alt);
}

.page-app-download .cmp tbody tr:hover .cmp__item,
.page-app-download .cmp tbody tr:focus-within .cmp__item {
  color: var(--color-accent);
}

.page-app-download .cmp:has(thead th:nth-child(2):hover) tbody td:nth-child(2),
.page-app-download .cmp:has(thead th:nth-child(3):hover) tbody td:nth-child(3),
.page-app-download .cmp:has(thead th:nth-child(4):hover) tbody td:nth-child(4) {
  background-color: var(--color-highlight);
}

/* ---------------- 准备清单 ---------------- */
.page-app-download .prep {
  margin-block-start: var(--space-6);
}

.page-app-download .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-app-download .steps__item {
  position: relative;
  padding-block: var(--space-3);
  padding-inline-start: var(--space-8);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .steps__item:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .steps__num {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--color-primary);
}

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

.page-app-download .steps__text {
  margin: var(--space-1) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------------- 通用图片框 ---------------- */
.page-app-download .shot {
  margin: 0;
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.page-app-download .shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-1);
}

.page-app-download .shot__caption {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ---------------- 设备与更新（反色区块） ---------------- */
.page-app-download .section--contrast .section-head__num {
  color: var(--color-contrast-accent);
}

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

.page-app-download .section--contrast .section-lede {
  color: var(--color-contrast-ink);
  opacity: 0.8;
}

.page-app-download .device {
  margin-block-start: var(--space-6);
}

.page-app-download .section--contrast .shot img {
  border-color: var(--color-contrast-line);
  box-shadow: none;
}

.page-app-download .section--contrast .shot__caption {
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-app-download .device-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-app-download .device-item {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-contrast-ink) 7%, transparent);
}

.page-app-download .device-item__title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-app-download .device-item__text {
  margin: var(--space-1) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.84;
}

/* ---------------- 选择建议 ---------------- */
.page-app-download .picks {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-app-download .picks__item {
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, var(--color-primary-soft) 0%, var(--color-surface) 64%);
  box-shadow: var(--shadow-1);
}

.page-app-download .picks__if {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-accent);
}

.page-app-download .picks__then {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-app-download .choose-note {
  margin: var(--space-6) 0 0;
  max-width: var(--measure);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
  border-inline-start: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------------- 页尾方位 ---------------- */
.page-app-download .entry {
  align-items: start;
}

.page-app-download .entry__copy {
  min-width: 0;
}

.page-app-download .entry__num {
  display: block;
  margin-block-end: var(--space-2);
}

.page-app-download .entry__text {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .entry__figure {
  align-self: center;
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 640px) {
  .page-app-download .hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-app-download .hero {
    padding-block: var(--space-2) var(--section-y-lg);
  }

  .page-app-download .hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-8);
    align-items: center;
  }

  .page-app-download .hero__lede {
    font-size: var(--text-lg);
  }

  .page-app-download .hero__bands {
    height: 104px;
  }
}

@media (min-width: 900px) {
  .page-app-download .picks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-app-download .picks__item:nth-child(2) {
    margin-block-start: var(--space-6);
  }

  .page-app-download .picks__item:nth-child(3) {
    margin-block-start: calc(var(--space-6) * 2);
  }
}

@media (max-width: 639px) {
  .page-app-download .cmp {
    min-width: 620px;
  }

  .page-app-download .cmp__hint {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-app-download .cmp__hint,
  .page-app-download .cmp thead th,
  .page-app-download .cmp tbody td,
  .page-app-download .cmp__item {
    transition: none;
  }
}