/* Reading styles isolated from news, FAQ and product pages. */
.technical-detail { color: #293139; background: #fff; }
.reading-container { width: min(1280px, 100%); padding-inline: clamp(22px, 4vw, 56px); margin-inline: auto; }
.reading-hero { padding: calc(var(--header-height) + 26px) 0 38px; background: #f4f5f5; border-bottom: 1px solid #e1e5e7; }
.reading-hero .breadcrumb { color: #69737b; margin-bottom: 32px; font-size: 12px; line-height: 1.9; }
.reading-hero .breadcrumb a { color: inherit; }
.reading-hero .breadcrumb a:hover { color: var(--brand); }
.reading-category { display: inline-block; color: #ad1328; font-size: 13px; font-weight: 600; letter-spacing: .08em; margin-bottom: 14px; }
.reading-hero h1 { max-width: 960px; font-size: clamp(27px, 2.8vw, 38px); line-height: 1.55; letter-spacing: -.01em; font-weight: 600; overflow-wrap: anywhere; text-wrap: pretty; }
.reading-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 22px; color: #707a82; font-size: 12px; }
.reading-meta-divider { width: 1px; height: 12px; background: #c5cbd0; }
.reading-meta time { font-family: Arial, sans-serif; }
.reading-layout { display: grid; grid-template-columns: minmax(0, 800px) minmax(190px, 240px); gap: clamp(36px, 5vw, 72px); align-items: start; padding-top: 44px; padding-bottom: 72px; }
.reading-main { min-width: 0; }
.reading-prose { font-size: 17px; line-height: 1.95; overflow-wrap: anywhere; }
.reading-prose > :first-child { margin-top: 0; }
.reading-prose p { margin: 0 0 22px; }
.reading-prose .article-lead { font-size: 18px; line-height: 1.95; color: #47535c; padding: 0 0 24px; margin-bottom: 30px; border-bottom: 1px solid #e3e7e9; }
.reading-prose h2 { margin: 44px 0 20px; padding-left: 16px; border-left: 3px solid var(--brand); font-size: 23px; font-weight: 600; line-height: 1.6; color: #20272e; scroll-margin-top: calc(var(--header-height) + 26px); }
.reading-prose h3 { margin: 28px 0 13px; font-size: 18px; line-height: 1.7; font-weight: 600; color: #20272e; scroll-margin-top: calc(var(--header-height) + 26px); }
.reading-prose h4 { font-size: 17px; line-height: 1.7; margin: 24px 0 12px; }
.reading-prose strong { color: #20272e; font-weight: 600; }
.reading-prose a { color: #b1152a; text-decoration: underline; text-decoration-color: #d8a8ae; text-underline-offset: 4px; }
.reading-prose a:hover { color: #8f1020; text-decoration-color: currentColor; }
.reading-prose ul, .reading-prose ol { margin: 16px 0 24px; padding-left: 1.5em; }
.reading-prose ul { list-style: disc; }
.reading-prose ol { list-style: decimal; }
.reading-prose li { margin-block: 8px; padding-left: 3px; }
.reading-prose figure { margin: 30px 0 32px; }
.reading-prose img { max-width: 100%; height: auto; margin-inline: auto; }
.reading-prose figure img { width: auto; max-height: 620px; object-fit: contain; background: #f8f9f9; border: 1px solid #edf0f1; }
.reading-prose figcaption { padding-top: 12px; color: #78828a; font-size: 12px; line-height: 1.8; text-align: center; }
.reading-prose blockquote { margin: 26px 0; padding: 20px 24px; background: #f5f6f6; border-left: 3px solid #b9c2c8; color: #4d5a64; }
.reading-prose blockquote p:last-child { margin-bottom: 0; }
.reading-prose .reading-table-scroll { max-width: 100%; overflow-x: auto; margin: 26px 0 14px; overscroll-behavior-x: contain; }
.reading-prose table { width: 100%; border-collapse: collapse; margin: 26px 0 14px; font-size: 14px; line-height: 1.8; }
.reading-table-scroll table { margin: 0; min-width: 580px; }
.reading-prose th, .reading-prose td { padding: 13px 15px; border: 1px solid #dce2e6; text-align: left; vertical-align: top; }
.reading-prose th { background: #edf0f2; color: #303c45; font-weight: 600; }
.reading-prose tbody tr:nth-child(even) { background: #f8f9fa; }
.reading-prose .table-note { color: #737e86; font-size: 12px; line-height: 1.85; margin-bottom: 28px; }
.reading-prose .faq-item { padding: 19px 22px; margin: 15px 0; background: #f7f8f9; border: 1px solid #e7ebed; }
.reading-prose .faq-item h3 { margin: 0 0 10px; font-size: 17px; }
.reading-prose .faq-item p { margin-bottom: 0; font-size: 15px; }
.reading-prose .article-note { padding: 20px 22px; background: #f7f8f9; color: #69757e; font-size: 13px; line-height: 1.9; }
.reading-prose .article-links { padding: 0; list-style: none; border-top: 1px solid #e5e9ec; }
.reading-prose .article-links li { margin: 0; padding: 12px 0; border-bottom: 1px solid #e5e9ec; font-size: 15px; }
.reading-prose .article-cta { margin-top: 28px; padding: 20px 22px; background: #faf5f5; border-left: 3px solid #b1152a; font-size: 15px; }
.reading-prose pre { overflow-x: auto; padding: 18px; background: #f4f6f7; font-size: 13px; line-height: 1.7; }
.reading-prose code { overflow-wrap: anywhere; }
.reading-end { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 42px; padding: 22px 0; border-top: 1px solid #dce2e5; color: #7b858c; font-size: 12px; }
.reading-end a { color: #a91427; }
.reading-pagination { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; border-top: 1px solid #e5e9ec; padding-top: 23px; }
.reading-pagination > div { min-width: 0; }
.reading-pagination > div > span { display: block; color: #838c93; font-size: 12px; margin-bottom: 9px; }
.reading-pagination a { display: block; font-size: 14px; line-height: 1.85; }
.reading-pagination a:hover { color: var(--brand); }
.reading-side { position: sticky; top: calc(var(--header-height) + 26px); min-width: 0; }
.reading-toc { border-top: 2px solid #28333b; margin-bottom: 30px; }
.reading-toc summary { padding: 16px 0; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-size: 15px; font-weight: 600; list-style: none; }
.reading-toc summary::-webkit-details-marker { display: none; }
.reading-toc[open] summary > span { transform: rotate(180deg); }
.reading-toc nav { max-height: min(46vh, 400px); overflow-y: auto; scrollbar-width: thin; }
.reading-toc ol { padding: 0; margin: 0; list-style: none; }
.reading-toc li a { display: block; padding: 9px 12px; border-left: 2px solid #e4e8eb; font-size: 12px; line-height: 1.8; color: #758089; }
.reading-toc li a:hover, .reading-toc li a[aria-current="location"] { border-left-color: var(--brand); color: #ad1328; background: #faf6f6; }
.reading-topics { border-top: 1px solid #dce2e5; padding-top: 20px; }
.reading-topics h2, .reading-contact h2 { font-size: 14px; line-height: 1.5; margin-bottom: 13px; font-weight: 600; }
.reading-topics nav a { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; font-size: 13px; color: #737e86; }
.reading-topics nav a:hover, .reading-topics nav a.is-current { color: #ad1328; }
.reading-contact { border-top: 1px solid #dce2e5; padding-top: 20px; margin-top: 22px; }
.reading-contact p { color: #7b858c; font-size: 12px; line-height: 1.9; }
.reading-contact > a { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; color: #ad1328; font-size: 13px; }
@media (max-width: 1000px) {
  .reading-layout { grid-template-columns: minmax(0, 1fr) 190px; gap: 32px; }
  .reading-prose { font-size: 16px; }
  .reading-prose h2 { font-size: 21px; }
}
@media (max-width: 760px) {
  .reading-hero { padding-top: calc(var(--header-height) + 20px); padding-bottom: 28px; }
  .reading-hero .breadcrumb { margin-bottom: 24px; font-size: 11px; }
  .reading-hero h1 { font-size: 27px; line-height: 1.55; }
  .reading-meta { gap: 10px; margin-top: 18px; font-size: 11px; }
  .reading-layout { display: flex; flex-direction: column; padding-top: 24px; padding-bottom: 44px; gap: 24px; }
  .reading-main { width: 100%; }
  .reading-side { position: static; order: -1; width: 100%; }
  .reading-topics, .reading-contact { display: none; }
  .reading-toc { margin: 0; padding-inline: 16px; background: #f7f8f9; border-top: 0; border-bottom: 1px solid #e4e8eb; }
  .reading-toc summary { padding-block: 13px; font-size: 14px; }
  .reading-toc nav { max-height: 310px; margin-bottom: 14px; }
  .reading-prose { font-size: 16px; line-height: 1.95; }
  .reading-prose .article-lead { font-size: 17px; padding-bottom: 22px; margin-bottom: 24px; }
  .reading-prose h2 { margin-top: 34px; font-size: 20px; padding-left: 12px; }
  .reading-prose h3 { font-size: 17px; }
  .reading-prose figure { margin-block: 24px; }
  .reading-prose figcaption { font-size: 11px; text-align: left; }
  .reading-prose .faq-item, .reading-prose .article-note, .reading-prose .article-cta { padding: 17px; }
  .reading-prose table { display: block; overflow-x: auto; }
  .reading-table-scroll table { display: table; }
  .reading-prose th, .reading-prose td { padding: 11px 12px; }
  .reading-pagination { grid-template-columns: 1fr; gap: 22px; }
  .reading-end { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) { .technical-detail * { scroll-behavior: auto; } }