body.article-page .article-download {
  /* Article asides are sticky by default; this banner belongs in normal flow. */
  position: static;
  inset: auto;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px;
  margin: 40px 0;
  border: 1px solid var(--border, #34486b);
  border-radius: 18px;
  background: var(--card, #1b2c48);
  color: var(--text, #edf2ff);
}
body.article-page .article-download .app-download-qr {
  flex: 0 0 135px;
  padding: 10px;
  border-radius: 12px;
  background: #fff;
  line-height: 0;
}
body.article-page .article-download img { display: block; width: 135px; height: 135px; max-width: none; }
body.article-page .article-download strong { display: block; font-size: 20px; line-height: 1.4; }
body.article-page .article-download p { margin: 10px 0; font-size: 16px; line-height: 1.6; }
body.article-page .article-download a:not(.app-download-qr) { color: inherit; text-decoration: underline; text-underline-offset: 4px; }
body.article-page .article-download .app-download-mobile { display: none; }
@media (max-width: 600px) {
  body.article-page .article-download { padding: 22px; margin: 28px 0; }
  body.article-page .article-download .app-download-qr,
  body.article-page .article-download .app-download-desktop { display: none; }
  body.article-page .article-download .app-download-mobile { display: block; }
}
html[data-theme="light"] body.article-page .article-download { background: #f1f5fc; color: #172641; border-color: #ccd7e9; }