/* Shared by the reading pages and the homepage's article list. */
.learn-page { background: var(--cloud); }
.learn-header { border-bottom: 1px solid var(--line); }
.learn-footer { margin-top: 80px; }
.breadcrumbs { padding-block: 25px; color: var(--quiet); font-size: 13px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px 10px; list-style: none; padding: 0; margin: 0; }
.breadcrumbs li { display: flex; gap: 10px; }
.breadcrumbs li + li::before { content: "/"; color: #a6adc1; }
.breadcrumbs a:hover { text-decoration: underline; }
.learn-intro { max-width: 760px; padding: 52px 0 68px; }
.learn-intro h1 { margin-block: 16px 25px; font-size: clamp(36px, 4.3vw, 58px); line-height: 1.3; }
.learn-intro > p:not(.section-label):not(.reading-meta) { max-width: 580px; color: #525d76; font-size: 18px; line-height: 1.9; }
.learn-intro .reading-meta { margin-top: 20px; }
.learn-list-title { font-size: 19px; margin-bottom: 22px; }
.learn-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.learn-card { display: flex; flex-direction: column; min-width: 0; padding: 32px; border: 1px solid var(--line); border-radius: 25px; background: #ffffffc9; }
.learn-card:nth-child(4n + 2) { background: #efecfa; }
.learn-card:nth-child(4n + 3) { background: #eaf2fc; }
.learn-card-category { font-size: 13px; color: #5f6580; }
.learn-card-category span { margin-right: 9px; font-variant-numeric: tabular-nums; }
.learn-card h3 { margin: 25px 0 16px; font-size: clamp(22px, 2.1vw, 28px); line-height: 1.48; letter-spacing: -.04em; }
.learn-card h3 a { display: block; }
.learn-card h3 a:hover { color: var(--indigo); }
.learn-card > p:not(.learn-card-category) { color: #59637b; line-height: 1.8; }
.learn-card-link { align-self: start; margin-top: auto; padding-top: 24px; color: var(--indigo); font-weight: 650; }
.learn-card-link span { margin-left: 15px; }
.learn-topic { margin-top: 64px; scroll-margin-top: 28px; }
.learn-topic .learn-list-title span { margin-left: 6px; color: #7a8199; font-size: 14px; font-weight: 500; }
.learn-topic-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.learn-topic-list li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.learn-topic-list a { display: block; font-size: 19px; font-weight: 650; line-height: 1.55; letter-spacing: -.03em; }
.learn-topic-list a:hover { color: var(--indigo); }
.learn-topic-list p { max-width: 760px; margin-top: 6px; color: #59637b; font-size: 15px; line-height: 1.75; }
.learn-editorial { max-width: 760px; margin-top: 60px; padding-top: 28px; border-top: 1px solid var(--line); color: #59637b; font-size: 14px; }
.learn-editorial h2 { margin-bottom: 12px; font-size: 18px; color: var(--ink); }
.learn-editorial a { display: inline-block; margin-top: 14px; text-decoration: underline; text-underline-offset: 4px; }
.reading-wrap { width: calc(100% - 96px); max-width: 880px; margin-inline: auto; }
.reading-heading { padding-block: 36px 28px; }
.reading-heading h1 { font-size: clamp(34px, 4.1vw, 52px); line-height: 1.3; margin-block: 17px 24px; }
.reading-meta { color: #626b80; font-size: 13px; line-height: 1.8; }
.editorial-disclosure { color: #626b80; font-size: 13px; margin-top: 10px; }
.reading-summary { margin-top: 30px; padding: 26px 28px; border-radius: 20px; background: #ebeafa; font-size: 18px; line-height: 1.95; }
.reading-toc { border-block: 1px solid var(--line); padding-block: 22px; margin-bottom: 38px; }
.reading-toc > p { font-size: 14px; font-weight: 650; }
.reading-toc ol { display: grid; gap: 7px; padding-left: 21px; margin-bottom: 0; color: #565e7e; font-size: 14px; }
.reading-toc a:hover { text-decoration: underline; text-underline-offset: 4px; }
.reading-body { font-size: 17px; line-height: 1.95; }
.reading-body section { margin-block: 50px; scroll-margin-top: 28px; }
.reading-body h2 { font-size: clamp(24px, 2.6vw, 30px); line-height: 1.5; margin-bottom: 20px; }
.reading-body h3 { font-size: 19px; line-height: 1.65; margin-bottom: 10px; }
.reading-body p + p { margin-top: 18px; }
.reading-body a, .reading-sources a { color: #4b4b9e; text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.reading-body ol, .reading-body ul { padding-left: 24px; }
.reading-body li { margin-block: 12px; }
.reading-body strong { font-weight: 700; }
.table-scroll { width: 100%; overflow-x: auto; margin-block: 26px; border: 1px solid #d8ddea; border-radius: 16px; background: white; }
.table-scroll:focus-visible { outline: 3px solid var(--indigo); outline-offset: 4px; }
.table-scroll table { min-width: 700px; width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.7; }
.table-scroll caption { text-align: left; padding: 15px 18px; font-weight: 650; }
.table-scroll th, .table-scroll td { text-align: left; vertical-align: top; padding: 16px; border-top: 1px solid #e1e5ee; }
.table-scroll thead { background: #eef0fa; }
.table-scroll th[scope="row"] { width: 116px; }
.table-scroll td:last-child, .table-scroll th:last-child { background: #f2f0fc; }
.reading-body .source-note { color: #626b80; font-size: 13px; }
.practice-note { background: white; border: 1px solid var(--line); border-radius: 20px; padding: 25px 28px; margin-block: 24px; }
.practice-note .section-label { margin-bottom: 18px; font-size: 12px; }
.practice-note dl { margin: 0; }
.practice-note dt { color: #626b80; font-size: 13px; margin-top: 16px; }
.practice-note dd { margin: 4px 0 0; }
.practice-note [lang="en"] { letter-spacing: 0; }
.reading-answer { border: 1px solid #d5d3ef; border-radius: 16px; padding: 20px 24px; margin-block: 22px; background: #f0eefb; }
.reading-answer summary { cursor: pointer; font-size: 16px; font-weight: 650; }
.reading-answer[open] summary { margin-bottom: 20px; }
.reading-definitions { margin: 0; }
.reading-definitions > div { padding: 22px 0; border-bottom: 1px solid var(--line); }
.reading-definitions dt { font-weight: 700; margin-bottom: 9px; }
.reading-definitions dd { margin: 0; }
.reading-faq + .reading-faq { margin-top: 26px; }
.reading-sources { border-top: 1px solid var(--line); padding-top: 30px; color: #626b80; font-size: 13px; line-height: 1.9; }
.reading-sources h2 { color: var(--ink); font-size: 20px; margin-bottom: 14px; }
.reading-sources ul { padding-left: 19px; }
.reading-sources li { padding-block: 8px; }
.reading-sources li p { margin-top: 4px; }
.reading-cta { display: flex; gap: 22px; margin-top: 50px; border-radius: 24px; background: #e8eafa; padding: 32px; }
.reading-cta img { width: 72px; height: 72px; border-radius: 18px; }
.reading-cta h2 { font-size: 25px; margin-bottom: 12px; }
.reading-cta .button { margin-top: 20px; min-height: 48px; font-size: 14px; }
.reading-cta .release-note { margin-top: 10px; }
.related-reading { margin-top: 48px; }
.related-reading h2 { font-size: 21px; }
.related-reading ul { list-style: none; padding: 0; margin: 20px 0; }
.related-reading li { border-bottom: 1px solid var(--line); }
.related-reading li a { display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; }
.related-reading a:hover { color: var(--indigo); }
.all-notes { font-size: 14px; text-decoration: underline; text-underline-offset: 4px; }
.home-reading { padding-block: 60px; }
.home-reading-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.home-reading h2 { margin-top: 13px; }
.home-reading-heading > a { color: var(--indigo); white-space: nowrap; }
.home-reading .learn-card h3 { font-size: 24px; }
@media (max-width: 760px) {
  .reading-wrap { width: calc(100% - 40px); }
  .learn-header { height: auto; min-height: 82px; flex-wrap: wrap; padding-block: 18px; }
  .learn-header nav { display: flex; order: 3; width: 100%; justify-content: space-between; gap: 14px; font-size: 13px; padding-top: 10px; }
  .learn-intro { padding-block: 25px 44px; }
  .learn-intro > p:not(.section-label):not(.reading-meta) { font-size: 16px; }
  .learn-grid { grid-template-columns: 1fr; gap: 16px; }
  .learn-card { padding: 26px; }
  .learn-card h3 { margin-top: 20px; }
  .learn-editorial { margin-top: 40px; }
  .learn-topic { margin-top: 48px; }
  .learn-topic-list a { font-size: 17px; }
  .reading-heading { padding-top: 22px; }
  .reading-summary { padding: 22px; font-size: 16px; line-height: 1.9; }
  .reading-body { font-size: 16px; line-height: 1.95; }
  .practice-note, .reading-answer { padding: 22px; }
  .reading-cta { display: block; padding: 25px; }
  .reading-cta img { margin-bottom: 20px; width: 56px; height: 56px; }
  .reading-cta h2 { font-size: 23px; }
  .learn-footer .footer-top nav { display: flex; flex-wrap: wrap; }
  .home-reading-heading { display: block; }
  .home-reading-heading > a { display: inline-block; margin-top: 20px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }