/* 下载页：平台索引、安装包操作区与架构说明。 */
.download-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: start;
  gap: 64px;
}
.download-intro__grid > * {
  min-width: 0;
}
.download-intro__text {
  max-width: 42em;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1.85;
}
.download-intro .chips {
  margin-top: 24px;
  margin-bottom: 0;
}
.download-intro__note {
  background: var(--bg-panel-2);
}
.download-intro__note ol {
  margin-top: 0;
  margin-bottom: 20px;
}
.download-intro__note > p:last-child {
  font-size: 14px;
  line-height: 1.85;
}
.download-shelf {
  border-block: 1px solid var(--border);
}
.download-shelf .tab-list [role="tab"] {
  background: var(--bg-panel);
}
.download-shelf .tab-list [role="tab"]:hover,
.download-shelf .tab-list [role="tab"][aria-selected="true"] {
  background: var(--bg);
}
.download-platform-heading {
  max-width: var(--reading-width);
  margin-bottom: 28px;
}
.download-client-grid {
  align-items: stretch;
}
.download-client-grid .client-card {
  display: flex;
  flex-direction: column;
}
.download-client-grid h4,
.download-requirements h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: var(--heading-tracking);
}
.download-client-grid .client-card__body {
  margin-bottom: 24px;
  line-height: 1.85;
}
.download-client-grid .client-card__actions {
  flex-direction: column;
  align-items: stretch;
  margin-top: auto;
}
.download-client-grid .client-card__actions .btn {
  width: 100%;
  min-height: 48px;
  white-space: normal;
}
.download-client-grid .client-card--first {
  border-top: 3px solid var(--accent);
}
.download-client-site {
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 14px;
}
.download-requirements {
  margin-top: 40px;
}
.download-requirements h4 {
  margin-bottom: 16px;
  font-size: 18px;
}
.download-core-notes {
  margin-top: 40px;
  gap: 40px;
}
.download-core-notes p {
  line-height: 1.85;
}
.download-core-table a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 600;
}
.download-core-table td,
.download-core-table th {
  vertical-align: middle;
}
@media (max-width: 1000px) {
  .download-intro__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
  .download-intro__note {
    max-width: var(--reading-width);
  }
}
@media (max-width: 768px) {
  .download-intro__text {
    font-size: 16px;
  }
  .download-core-notes {
    gap: 28px;
  }
  .download-client-grid h4 {
    font-size: 19px;
  }
}