/* ============================================================
   页面：客户端与版本 /app-download/
   作用域：.page-app-download
   ============================================================ */

.page-app-download {
  --ap-hang: calc(var(--space-8) * -1 + var(--space-2));
}

/* ---------- 首屏 ---------- */

.page-app-download .ap-hero {
  padding-top: var(--space-6);
  padding-bottom: var(--section-y);
}

.page-app-download .ap-hero__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .ap-hero__head {
  position: relative;
  z-index: 2;
}

.page-app-download .ap-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-app-download .ap-hero__lead {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-app-download .ap-hero__blocks {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  margin-top: var(--space-4);
}

.page-app-download .ap-ver {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  min-height: 176px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-app-download .ap-ver .anno {
  color: inherit;
  opacity: 0.72;
}

.page-app-download .ap-ver__name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  margin: 0;
}

.page-app-download .ap-ver__desc {
  margin: auto 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

.page-app-download .ap-ver--watch {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-app-download .ap-ver--data {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-app-download .ap-ver--coach {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-app-download .ap-hero__figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gutter);
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .ap-fig {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-app-download .ap-fig .kpi__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-app-download .ap-fig .kpi__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

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

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

.page-app-download .ap-hero__figure figcaption {
  margin-top: var(--space-2);
  color: var(--color-ink-muted);
}

/* ---------- 通用小节头 ---------- */

.page-app-download .ap-sect-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-app-download .ap-sect-head .title-xl {
  margin: var(--space-2) 0 0;
}

.page-app-download .ap-sect-lead {
  margin-top: var(--space-3);
  color: var(--color-ink-soft);
}

/* ---------- 版本对照表 ---------- */

.page-app-download .ap-table__scroll {
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.page-app-download .ap-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.page-app-download .ap-table caption {
  caption-side: top;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  color: var(--color-ink-muted);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .ap-table th,
.page-app-download .ap-table td {
  text-align: left;
  padding: var(--space-3);
  vertical-align: top;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .ap-table thead th {
  background: var(--color-surface-deep);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-ink);
  white-space: nowrap;
}

.page-app-download .ap-table thead th:first-child {
  color: var(--color-ink-muted);
}

.page-app-download .ap-table tbody th {
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  width: 22%;
}

.page-app-download .ap-table tbody td {
  color: var(--color-ink-soft);
}

.page-app-download .ap-table tbody tr:nth-child(odd) td {
  background: var(--color-surface-alt);
}

.page-app-download .ap-table tbody tr:last-child th,
.page-app-download .ap-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 使用节奏 ---------- */

.page-app-download .ap-scenes__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-app-download .ap-scene {
  border-top: 2px solid var(--color-primary);
  padding-top: var(--space-3);
}

.page-app-download .ap-scene--b {
  border-top-color: var(--color-accent);
}

.page-app-download .ap-scene--c {
  border-top-color: var(--color-contrast-surface);
}

.page-app-download .ap-scene__fig {
  margin: 0 0 var(--space-3);
}

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

.page-app-download .ap-scene__body .anno {
  color: var(--color-ink-muted);
}

.page-app-download .ap-scene__body .title-md {
  margin: var(--space-1) 0 var(--space-2);
}

.page-app-download .ap-scene__body p {
  color: var(--color-ink-soft);
  margin: 0;
}

/* ---------- 八类数据模块 ---------- */

.page-app-download .ap-modlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .ap-mod {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no name"
    "no desc";
  column-gap: var(--space-3);
  row-gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 120ms linear;
}

.page-app-download .ap-mod__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-ink-muted);
  transition: color 120ms linear, transform 120ms linear;
  transform-origin: left center;
}

.page-app-download .ap-mod__name {
  grid-area: name;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  margin: 0;
  color: var(--color-ink);
}

.page-app-download .ap-mod__desc {
  grid-area: desc;
  margin: 0;
  color: var(--color-ink-soft);
}

.page-app-download .ap-mod:hover,
.page-app-download .ap-mod:focus-visible {
  background: var(--color-highlight);
}

.page-app-download .ap-mod:hover .ap-mod__no,
.page-app-download .ap-mod:focus-visible .ap-mod__no {
  color: var(--color-accent);
  transform: scale(1.14);
}

/* ---------- 安装准备 ---------- */

.page-app-download .ap-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-app-download .ap-prep__lead .title-xl {
  margin: var(--space-2) 0 var(--space-3);
}

.page-app-download .ap-prep__lead .lead {
  color: var(--color-ink-soft);
  margin: 0;
  max-width: var(--measure);
}

.page-app-download .ap-prep__hint {
  margin-top: var(--space-3);
  color: var(--color-ink-muted);
}

.page-app-download .ap-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-app-download .ap-check {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "box k"
    "box v";
  column-gap: var(--space-3);
  row-gap: var(--space-1);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
}

.page-app-download .ap-check__box {
  grid-area: box;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: background-color 120ms linear, border-color 120ms linear;
}

.page-app-download .ap-check__k {
  grid-area: k;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  margin: 0;
  color: var(--color-ink);
}

.page-app-download .ap-check__v {
  grid-area: v;
  margin: 0;
  color: var(--color-ink-soft);
}

.page-app-download .ap-check:hover .ap-check__box,
.page-app-download .ap-check:focus-visible .ap-check__box {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

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

/* ---------- 权限与隐私 ---------- */

.page-app-download .ap-perms__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
}

.page-app-download .ap-perm {
  border: var(--border-thin) solid var(--color-line);
  border-left: 3px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: var(--color-surface-alt);
}

.page-app-download .ap-perm--on {
  border-left-color: var(--color-accent);
}

.page-app-download .ap-perm--off {
  border-left-color: var(--color-primary);
}

.page-app-download .ap-perm .state-dot {
  display: inline-block;
  margin-bottom: var(--space-2);
}

.page-app-download .ap-perm__k {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  margin: 0 0 var(--space-1);
  color: var(--color-ink);
}

.page-app-download .ap-perm__v {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-app-download .ap-perms__note {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-app-download .ap-perms__note a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-app-download .ap-perms__note a:hover {
  color: var(--color-primary);
}

/* ---------- 获取方式 ---------- */

.page-app-download .ap-get__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-app-download .ap-get__main .title-xl {
  margin: var(--space-2) 0 var(--space-4);
}

.page-app-download .ap-steps {
  list-style: none;
  counter-reset: ap-step;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

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

.page-app-download .ap-steps__no {
  display: block;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.page-app-download .ap-steps p {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-app-download .ap-get__aside {
  align-self: start;
  border: var(--border-thin) solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: var(--color-surface);
}

.page-app-download .ap-get__aside .anno {
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-1);
}

.page-app-download .ap-get__aside p + .anno {
  margin-top: var(--space-3);
}

.page-app-download .ap-get__aside p:not(.anno) {
  margin: 0;
  color: var(--color-ink-soft);
}

/* ---------- 选择建议 ---------- */

.page-app-download .ap-pick__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-3);
  background: var(--color-primary-soft);
}

.page-app-download .ap-pick__text .title-xl {
  margin: var(--space-2) 0 var(--space-3);
}

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

.page-app-download .ap-pick__list li {
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-primary);
  color: var(--color-ink-soft);
}

.page-app-download .ap-pick__list strong {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  line-height: var(--leading-heading);
}

.page-app-download .ap-pick__exit {
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-3);
}

.page-app-download .ap-pick__exit-lead {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
}

.page-app-download .ap-pick__exit-item {
  margin: 0 0 var(--space-2);
  color: var(--color-ink-soft);
}

.page-app-download .ap-pick__exit-item:last-child {
  margin-bottom: 0;
}

.page-app-download .ap-pick__exit-item a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-app-download .ap-pick__exit-item a:hover {
  color: var(--color-primary);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-app-download .ap-scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-app-download .ap-perms__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-app-download .ap-modlist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-left: var(--border-thin) solid var(--color-line);
  }

  .page-app-download .ap-mod {
    border-right: var(--border-thin) solid var(--color-line);
  }
}

@media (min-width: 900px) {
  .page-app-download .ap-hero {
    padding-top: var(--space-8);
    padding-bottom: var(--section-y-lg);
  }

  .page-app-download .ap-hero__head {
    padding-bottom: var(--space-8);
    display: grid;
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    column-gap: var(--gutter);
    align-items: end;
  }

  .page-app-download .ap-hero__title {
    grid-column: 1 / -1;
  }

  .page-app-download .ap-hero__lead {
    grid-column: 2 / -1;
    margin-top: var(--space-4);
  }

  .page-app-download .ap-hero__blocks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    margin-top: var(--ap-hang);
  }

  .page-app-download .ap-ver:nth-child(1) {
    margin-top: var(--space-3);
  }

  .page-app-download .ap-ver:nth-child(2) {
    margin-top: calc(var(--space-4) * -1);
  }

  .page-app-download .ap-ver:nth-child(3) {
    margin-top: var(--space-2);
  }

  .page-app-download .ap-hero__figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-8);
  }

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

  .page-app-download .ap-scenes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: var(--gutter);
  }

  .page-app-download .ap-scene--b {
    margin-top: var(--space-6);
  }

  .page-app-download .ap-scene--c {
    margin-top: var(--space-3);
  }

  .page-app-download .ap-modlist {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-app-download .ap-mod {
    grid-template-columns: 1fr;
    grid-template-areas:
      "no"
      "name"
      "desc";
    row-gap: var(--space-1);
    padding: var(--space-4) var(--space-3);
  }

  .page-app-download .ap-mod__no {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-1);
  }

  .page-app-download .ap-prep__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    column-gap: var(--space-6);
  }

  .page-app-download .ap-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-app-download .ap-perms__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-app-download .ap-get__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    column-gap: var(--space-6);
  }

  .page-app-download .ap-pick__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: var(--space-6);
    padding: var(--space-6) var(--space-4);
  }

  .page-app-download .ap-pick__exit {
    border-top: 0;
    border-left: var(--border-thin) solid var(--color-line);
    padding-top: 0;
    padding-left: var(--space-4);
  }
}

@media (min-width: 1100px) {
  .page-app-download .ap-checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}