/* ===== 页面：客户端与场馆入口 ===== */
.page-app-download {
  --dl-metal: color-mix(in srgb, var(--color-primary) 24%, var(--color-line));
  --dl-strong: color-mix(in srgb, var(--color-ink) 54%, var(--color-contrast-surface));
  --dl-dim: color-mix(in srgb, var(--color-ink) 66%, var(--color-surface));
}

/* --- 首屏 --- */
.page-app-download .dl-hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-6) var(--space-8);
  background:
    radial-gradient(120% 90% at 88% -12%, color-mix(in srgb, var(--color-primary) 28%, transparent) 0%, transparent 60%),
    radial-gradient(80% 70% at -5% 110%, color-mix(in srgb, var(--color-accent) 10%, transparent) 0%, transparent 62%),
    var(--color-surface);
  border-bottom: var(--metal-line-soft);
}

.page-app-download .dl-crumb {
  margin-bottom: var(--space-4);
}

.page-app-download .dl-crumb .breadcrumb {
  font-size: var(--text-sm);
}

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

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

.page-app-download .dl-hero__title {
  margin: 0 0 var(--space-3);
  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(--dl-strong);
  text-wrap: balance;
}

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

.page-app-download .dl-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--metal-line);
  box-shadow: var(--shadow-1);
}

.page-app-download .dl-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-app-download .dl-hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--color-accent) 34%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--color-accent) 34%, transparent) 1px, transparent 1px);
  background-size: 12.5% 25%;
  mix-blend-mode: screen;
  opacity: 0.55;
}

/* --- 关键数字带 --- */
.page-app-download .dl-figures {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.page-app-download .dl-figure {
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  border-left: var(--border-thin) solid var(--color-primary);
  min-width: 0;
}

.page-app-download .dl-figure__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-figure);
  line-height: 1;
  color: var(--dl-strong);
}

.page-app-download .dl-figure:nth-child(3) .dl-figure__num {
  color: var(--color-accent);
}

.page-app-download .dl-figure__label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

/* --- 表头预览 --- */
.page-app-download .dl-peek {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(4, minmax(132px, 1fr));
  overflow-x: auto;
  border: var(--metal-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
}

.page-app-download .dl-peek__cell {
  padding: var(--space-2) var(--space-3);
  border-left: var(--metal-line-soft);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.page-app-download .dl-peek__cell--lead {
  border-left: 0;
  color: var(--color-ink-muted);
}

.page-app-download .dl-peek__cell--ios {
  color: var(--color-accent);
  font-weight: 700;
}

/* --- 章节通用 --- */
.page-app-download .dl-block {
  padding-block: var(--section-y);
}

.page-app-download .dl-block--alt {
  background: var(--color-surface-alt);
  border-block: var(--metal-line-soft);
}

.page-app-download .dl-block--end {
  padding-block: var(--section-y-lg);
}

.page-app-download .section-head {
  margin-bottom: var(--space-6);
}

.page-app-download .dl-block .section-note,
.page-app-download .section-note {
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

/* --- 对比表 --- */
.page-app-download .dl-strip {
  margin: 0 0 var(--space-6);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--metal-line);
  background: var(--color-surface-alt);
}

.page-app-download .dl-strip img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-app-download .dl-strip figcaption {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  border-top: var(--metal-line-soft);
}

.page-app-download .dl-table-scroll {
  overflow-x: auto;
  border: var(--metal-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
}

.page-app-download .dl-compare {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.page-app-download .dl-compare__caption {
  caption-side: top;
  padding: var(--space-2) var(--space-3);
  text-align: left;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  border-bottom: var(--metal-line-soft);
}

.page-app-download .dl-compare th,
.page-app-download .dl-compare td {
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thin) solid var(--color-line);
  text-align: left;
  vertical-align: top;
  line-height: 1.62;
  color: var(--color-ink);
}

.page-app-download .dl-compare thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--color-primary-soft);
  border-bottom: var(--metal-line);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--dl-strong);
  letter-spacing: 0.04em;
}

.page-app-download .dl-compare thead th.dl-compare__dim {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  letter-spacing: 0.08em;
}

.page-app-download .dl-compare th[scope="row"] {
  width: 24%;
  background: color-mix(in srgb, var(--color-surface-deep) 68%, var(--color-surface-alt));
  color: var(--dl-strong);
  font-weight: 600;
  border-left: var(--border-thin) solid var(--color-primary);
}

.page-app-download .dl-compare td {
  width: 25.33%;
}

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

.page-app-download .dl-group th {
  background: var(--color-highlight);
  color: var(--dl-strong);
  border-left: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  padding-block: var(--space-3);
}

.page-app-download .dl-group__no {
  display: inline-block;
  margin-right: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

.page-app-download .dl-tip td {
  background: color-mix(in srgb, var(--color-contrast-surface) 92%, var(--color-surface));
  color: var(--color-contrast-ink);
  border-left: 0;
  font-size: var(--text-base);
  line-height: 1.6;
}

.page-app-download .dl-tip__label {
  display: inline-block;
  margin-right: var(--space-2);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-accent);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  vertical-align: 2px;
}

/* --- 版本刻度 --- */
.page-app-download .dl-versions {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--space-3);
  border-left: var(--border-thin) solid var(--color-line);
  display: grid;
  gap: var(--space-2);
}

.page-app-download .dl-ver {
  position: relative;
}

.page-app-download .dl-ver::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-3) - 1px);
  top: 22px;
  width: var(--space-3);
  height: var(--border-thin);
  background: var(--color-primary);
}

.page-app-download .dl-ver details {
  border: var(--metal-line-soft);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}

.page-app-download .dl-ver details[open] {
  border-color: color-mix(in srgb, var(--color-primary) 48%, var(--color-line));
}

.page-app-download .dl-ver__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  color: var(--color-ink);
}

.page-app-download .dl-ver__sum::-webkit-details-marker {
  display: none;
}

.page-app-download .dl-ver__sum::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--color-primary);
}

.page-app-download .dl-ver details[open] .dl-ver__sum::after {
  content: "－";
}

.page-app-download .dl-ver__no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

.page-app-download .dl-ver__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--dl-strong);
}

.page-app-download .dl-ver__hint {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-app-download .dl-ver__body {
  margin: 0;
  padding: 0 var(--space-3) var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  border-top: var(--metal-line-soft);
  padding-top: var(--space-2);
}

/* --- 图文分栏 --- */
.page-app-download .dl-split {
  display: grid;
  gap: var(--space-4);
}

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

.page-app-download .dl-split__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--metal-line);
  background: var(--color-surface-alt);
  align-self: start;
}

.page-app-download .dl-split__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-app-download .dl-split__figure figcaption {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  border-top: var(--metal-line-soft);
}

/* --- 字段清单 --- */
.page-app-download .dl-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-app-download .dl-field {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: var(--space-3);
  row-gap: 0;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: var(--metal-line-soft);
  background: var(--color-surface-alt);
}

.page-app-download .dl-field__no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

.page-app-download .dl-field__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  color: var(--dl-strong);
}

.page-app-download .dl-field__desc {
  margin: 4px 0 0;
  font-size: var(--text-base);
  line-height: 1.62;
  color: var(--color-ink);
}

/* --- 横向刻度条 --- */
.page-app-download .dl-bars {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--metal-line-soft);
}

.page-app-download .dl-bar {
  display: grid;
  gap: 4px;
  padding: var(--space-2) 0;
  border-bottom: var(--metal-line-soft);
}

.page-app-download .dl-bar__key {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.page-app-download .dl-bar__val {
  font-size: var(--text-base);
  line-height: 1.66;
  color: var(--color-ink);
}

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

.page-app-download .dl-note a {
  color: var(--link-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 选择器 --- */
.page-app-download .dl-picker {
  border: var(--metal-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  overflow: hidden;
}

.page-app-download .dl-picker__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-2);
  border-bottom: var(--metal-line-soft);
  background: color-mix(in srgb, var(--color-surface-deep) 60%, var(--color-surface-alt));
}

.page-app-download .dl-picker__tabs .tab {
  min-height: 44px;
  padding: 0 var(--space-3);
  border: var(--metal-line-soft);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-ink-soft);
  font-family: var(--font-body);
  font-size: var(--text-base);
  cursor: pointer;
}

.page-app-download .dl-picker__tabs .tab[aria-selected="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

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

.page-app-download .dl-panel {
  padding: var(--space-4) var(--space-3);
}

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

.page-app-download .dl-panel p:last-child {
  margin-bottom: 0;
}

.page-app-download .dl-panel__lead {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--dl-strong);
}

.page-app-download .dl-panel a {
  color: var(--link-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 结尾 --- */
.page-app-download .dl-end {
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-3);
}

.page-app-download .dl-end__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.3;
  color: var(--color-contrast-ink);
}

.page-app-download .dl-end__steps {
  margin: 0 0 var(--space-3);
  padding-left: 1.2em;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-contrast-ink);
}

.page-app-download .dl-end__text {
  margin: 0 0 var(--space-4);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, var(--color-contrast-surface));
}

.page-app-download .dl-end .btn--primary {
  background: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-app-download .dl-end .btn {
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

/* --- 响应式 --- */
@media (min-width: 760px) {
  .page-app-download .dl-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-app-download .dl-bar {
    grid-template-columns: 148px minmax(0, 1fr);
    align-items: baseline;
    column-gap: var(--space-3);
  }
}

@media (min-width: 900px) {
  .page-app-download .dl-hero__top {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: var(--space-6);
  }

  .page-app-download .dl-split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
    gap: var(--space-6);
  }

  .page-app-download .dl-split--flip {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .page-app-download .dl-split--flip .dl-split__figure {
    order: 1;
  }

  .page-app-download .dl-field {
    padding: var(--space-3);
  }
}

@media (max-width: 899px) {
  .page-app-download .dl-table-scroll {
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: none;
    box-shadow: none;
  }

  .page-app-download .dl-compare {
    display: block;
    min-width: 0;
    font-size: var(--text-base);
  }

  .page-app-download .dl-compare__caption {
    display: block;
    padding: 0 0 var(--space-3);
    border-bottom: 0;
    color: var(--color-ink-muted);
  }

  .page-app-download .dl-compare thead {
    display: none;
  }

  .page-app-download .dl-compare tbody {
    display: block;
  }

  .page-app-download .dl-compare tr {
    display: block;
  }

  .page-app-download .dl-compare .dl-group,
  .page-app-download .dl-compare .dl-tip {
    margin-bottom: var(--space-2);
  }

  .page-app-download .dl-compare th,
  .page-app-download .dl-compare td,
  .page-app-download .dl-compare th[scope="row"],
  .page-app-download .dl-compare td {
    display: block;
    width: auto;
    border: 0;
    border-bottom: var(--border-thin) solid var(--color-line);
  }

  .page-app-download .dl-compare th[scope="row"] {
    background: var(--color-primary-soft);
    border-left: 0;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }

  .page-app-download .dl-compare td {
    border-radius: 0;
  }

  .page-app-download .dl-compare .dl-group th {
    border-radius: var(--radius-sm);
    border-bottom: 0;
    display: block;
  }

  .page-app-download .dl-compare td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 3px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
  }

  .page-app-download .dl-tip td::before {
    content: none;
  }

  .page-app-download .dl-tip td {
    border-radius: var(--radius-sm);
    border-bottom: 0;
  }

  .page-app-download .dl-compare tbody > tr:not(.dl-group):not(.dl-tip) {
    border: var(--metal-line-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface-alt);
    margin-bottom: var(--space-2);
  }

  .page-app-download .dl-compare tbody > tr:not(.dl-group):not(.dl-tip) > *:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 479px) {
  .page-app-download .dl-figures {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-app-download .dl-peek {
    grid-template-columns: repeat(4, minmax(118px, 1fr));
  }

  .page-app-download .dl-picker__tabs .tab {
    flex: 1 1 auto;
  }

  .page-app-download .dl-ver__name {
    font-size: var(--text-base);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-app-download * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}