.download-opening {
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(240px,320px);
  align-items:end;
  gap:64px;
  padding-top:64px;
  padding-bottom:48px;
}
.download-opening > * {
  min-width:0;
}
.download-opening h1 {
  margin-top:24px;
  margin-bottom:0;
}
.download-opening-note {
  padding-top:20px;
  border-top:1px solid var(--border-strong);
  color:var(--text-muted);
}
.download-opening-note p:not(.eyebrow) {
  line-height:1.9;
}
.download-shelf {
  padding-bottom:var(--section-space);
}
.download-shelf .tab-list {
  margin-bottom:36px;
}
.download-platform-heading {
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px 24px;
  margin-bottom:24px;
}
.download-platform-heading h2,
.download-platform-heading p {
  margin:0;
}
.download-platform-heading p {
  font-family:var(--font-mono-zh);
  font-size:12px;
}
.download-package-grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.download-package {
  min-width:0;
}
.download-package .eyebrow {
  display:block;
  margin-bottom:12px;
}
.download-package .btn-primary,
.download-package .btn-secondary {
  display:flex;
  width:100%;
  min-height:54px;
  padding:12px 16px;
  text-align:center;
  overflow-wrap:anywhere;
}
.download-package p {
  margin:14px 0 0;
  font-size:13px;
  line-height:1.8;
}
.download-arm-link {
  display:inline-flex;
  align-items:center;
  min-height:44px;
  margin-top:8px;
  font-family:var(--font-mono-zh);
  font-size:12px;
}
.download-platform-notes {
  margin-top:40px;
}
.download-platform-notes > h3 {
  margin-top:0;
}
.download-platform-notes caption {
  padding-bottom:12px;
  color:var(--text-muted);
  font-size:12px;
  text-align:left;
}
.download-platform-notes > p {
  max-width:900px;
  color:var(--text-muted);
}
.download-platform-notes > p:last-child {
  margin-bottom:0;
}
.download-checklist {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:36px;
  margin-bottom:28px;
}
.download-checklist article {
  min-width:0;
  padding-top:24px;
  border-top:1px solid var(--accent-line);
}
.download-checklist article > p:last-child {
  margin-bottom:0;
  color:var(--text-muted);
  line-height:1.9;
}
.download-page [role="tabpanel"] {
  scroll-margin-top:24px;
}
@media (max-width:900px) {
  .download-opening {
    grid-template-columns:minmax(0,1fr);
    gap:32px;
  }
  .download-opening-note {
    max-width:560px;
  }
  .download-checklist {
    grid-template-columns:minmax(0,1fr);
    gap:28px;
  }
}
@media (max-width:640px) {
  .download-opening {
    padding-top:40px;
    padding-bottom:32px;
  }
  .download-package-grid {
    grid-template-columns:minmax(0,1fr);
    gap:28px;
  }
  .download-shelf .tab-list {
    margin-bottom:28px;
  }
  .download-platform-heading {
    margin-bottom:20px;
  }
  .download-package .btn-primary,
  .download-package .btn-secondary {
    letter-spacing:.02em;
  }
}