.reader-find { border-block: 1px solid #d8dfe3; background: #f5f8f8; padding: 28px 0; }
.reader-find .section-inner { display: flex; align-items: end; gap: 32px; flex-wrap: wrap; }
.reader-find form { flex: 1 1 320px; max-width: 620px; }
.reader-find label { display: block; font-weight: 700; margin-bottom: 8px; }
.reader-find form > div { display: flex; min-height: 46px; }
.reader-find input { flex: 1; min-width: 0; border: 1px solid #a4b3b9; padding: 10px 12px; font: inherit; background: white; color: #202629; }
.reader-find button { border: 1px solid #155b62; padding: 10px 20px; background: #155b62; color: white; font: inherit; cursor: pointer; }
.reader-find nav { display: flex; gap: 14px 24px; flex-wrap: wrap; padding-bottom: 10px; }
.reader-find a { color: #155b62; text-decoration: underline; text-underline-offset: 4px; }
.home-topic-details { width: 100%; border-block: 1px solid #bdc9ce; }
.home-topic-details > summary { padding: 22px 12px; cursor: pointer; font-size: 19px; font-weight: 700; }
.home-topic-details[open] > summary { border-bottom: 1px solid #bdc9ce; margin-bottom: 24px; }
.home-topic-details > summary:focus-visible, .reader-find a:focus-visible { outline: 3px solid #168b94; outline-offset: 4px; }
[data-reader-home] .category-section, [data-reader-home] .hardware-section, [data-reader-home] .rtos-section, [data-reader-home] .section-dark, [data-reader-home] .file-system-section { padding-block: 42px; }
.reader-about { max-width: 700px; font-size: 17px; line-height: 1.8; margin-top: 22px; }
.topic-references { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px 24px; border-top: 1px solid #d8dfe3; margin-top: 24px; padding-top: 18px; font-size: 16px; }
.topic-references a { color: #155b62; text-decoration: underline; text-underline-offset: 4px; }
[data-reader-hardware] .toc a { line-height: 1.55; }
[data-reader-hardware] .analysis-strip dd { color: #202629; }
[data-reader-home] [id] { scroll-margin-top: 100px; }
@media (max-width: 640px) {
  .reader-find .section-inner { gap: 18px; }
  .reader-find form { flex-basis: 100%; }
  .reader-find nav { gap: 12px 18px; }
  .home-topic-details > summary { font-size: 17px; padding: 20px 4px; }
  [data-reader-home] .category-section, [data-reader-home] .hardware-section, [data-reader-home] .rtos-section, [data-reader-home] .section-dark, [data-reader-home] .file-system-section { padding-block: 28px; }
}