/* Column listing and articles share the site's existing colors and typography. */
.column-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-block: 24px;
  margin-block: 20px 24px;
  border-block: 1px solid var(--line);
}
.column-filters [data-topic-filter] {
  min-height: 44px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: white;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
}
.column-filters [data-topic-filter][aria-pressed="true"] {
  border-color: var(--blue);
  background: var(--blue);
  color: white;
}
.column-filters [data-topic-filter]:hover { border-color: var(--blue); }
.column-filters label { margin-left: auto; color: var(--muted); font-size: 13px; }
.column-filters select {
  min-height: 44px;
  max-width: 100%;
  padding: 9px 32px 9px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background-color: white;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}
.column-filters select:focus-visible { outline: 3px solid #f5b731; outline-offset: 3px; }
[data-result-count] { display: block; margin-block: 18px 24px; color: var(--muted); font-size: 13px; }
.column-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.column-card { min-width: 0; border-bottom: 1px solid var(--line); }
.column-card[hidden] { display: none; }
.column-card-link { display: block; height: 100%; padding-bottom: 28px; }
.column-card-link:hover h3 { color: var(--blue); text-decoration: underline; text-underline-offset: .2em; }
.column-card-image { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #f4f6f8; border-radius: 4px; }
.column-card-body { padding-top: 22px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 7px 9px; padding: 0; margin: 0; list-style: none; }
.article-tags > a, .article-tags > span, .article-tags > li {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 3px 9px;
  border-radius: 3px;
  background: var(--light);
  color: #356498;
  font-size: 12px;
  line-height: 1.7;
}
.article-tags a:hover { text-decoration: underline; text-underline-offset: .2em; }
.article-date { display: block; margin-top: 15px; color: var(--muted); font-size: 13px; }
.column-card h3 { margin-top: 10px; font-size: 23px; line-height: 1.65; }
.column-card-body > p { margin-top: 13px; color: var(--muted); font-size: 14px; line-height: 1.95; }
.read-article { display: inline-block; margin-top: 20px; color: var(--blue); font-size: 14px; font-weight: 650; }
.column-photo-credit { margin-top: 22px; color: var(--muted); font-size: 12px; line-height: 1.85; }
.column-photo-credit a { text-decoration: underline; text-underline-offset: .2em; }

.article-main { padding-block: 28px 80px; }
.article-header { max-width: 900px; margin: 50px auto 34px; }
.article-category { margin-bottom: 16px; color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.article-title { text-wrap: balance; font-size: 44px; line-height: 1.5; letter-spacing: .015em; overflow-wrap: anywhere; }
.article-lead { margin-top: 25px; color: var(--muted); font-size: 17px; line-height: 2; }
.article-meta { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-top: 25px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.article-header .article-tags { margin-top: 18px; }
.article-cover { max-width: 900px; margin: 0 auto 64px; }
.article-cover > img { width: 100%; height: auto; border-radius: 4px; }
.article-cover figcaption, .article-photo figcaption { margin-top: 12px; color: var(--muted); font-size: 12px; line-height: 1.85; overflow-wrap: anywhere; }
.article-cover figcaption a, .article-photo figcaption a { text-decoration: underline; text-underline-offset: .2em; }
.article-layout { display: grid; grid-template-columns: 240px minmax(0, 760px); justify-content: center; align-items: start; gap: 56px; }
.article-toc { position: sticky; top: 124px; max-height: calc(100vh - 156px); overflow-y: auto; padding-right: 22px; border-right: 1px solid var(--line); font-size: 13px; line-height: 1.9; }
.article-toc summary { color: var(--ink); font-size: 14px; font-weight: 700; cursor: pointer; }
.article-toc h2, .article-toc h3 { font-size: 14px; }
.article-toc ol { padding-left: 1.6em; margin: 18px 0 0; color: var(--muted); }
.article-toc li + li { margin-top: 11px; }
.article-toc a:hover { color: var(--blue); text-decoration: underline; text-underline-offset: .2em; }
.article-body { min-width: 0; color: #25374f; font-size: 16px; line-height: 2; overflow-wrap: anywhere; }
.article-body > section { margin-top: 58px; }
.article-body h2, .article-body h3 { color: var(--ink); scroll-margin-top: 122px; }
.article-body h2 { margin: 0 0 23px; padding-bottom: 17px; border-bottom: 1px solid var(--line); font-size: 27px; line-height: 1.65; letter-spacing: .01em; }
.article-body h3 { margin: 31px 0 15px; font-size: 20px; line-height: 1.7; }
.article-body p + p { margin-top: 20px; }
.article-body ul, .article-body ol { padding-left: 1.5em; }
.article-body li + li { margin-top: 9px; }
.article-body section > ul, .article-body section > ol { margin-block: 18px; }
.article-body a { color: var(--blue); text-decoration: underline; text-underline-offset: .2em; }
.article-body a:hover { text-decoration-thickness: 2px; }
.article-body .article-tags a { text-decoration: none; }
.article-body .article-tags a:hover { text-decoration: underline; }
.article-summary { padding: 26px 30px; border-left: 3px solid var(--blue); background: #f4f8fd; }
.article-summary h2 { margin-bottom: 16px; padding: 0; border: 0; font-size: 20px; }
.article-summary ul { margin-block: 0; }
.article-summary > p { margin-bottom: 12px; color: var(--ink); font-weight: 650; }
.article-note { margin-block: 26px; padding: 20px 23px; border: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.95; }
.article-note strong { color: var(--ink); }
.article-insight { margin-block: 30px; padding: 24px 27px; border-left: 3px solid var(--blue); background: #f4f8fd; }
.article-insight > h3 { margin-top: 0; }
.article-table-wrap { max-width: 100%; margin-block: 28px; overflow-x: auto; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; }
.article-table-wrap table { width: 100%; min-width: 560px; border-collapse: collapse; text-align: left; font-size: 14px; line-height: 1.85; }
.article-table-wrap caption { margin-bottom: 12px; color: var(--ink); font-weight: 650; text-align: left; }
.article-table-wrap th, .article-table-wrap td { padding: 17px 18px; border: 1px solid var(--line); vertical-align: top; }
.article-table-wrap th { background: #f4f8fd; color: var(--ink); font-weight: 650; }
.article-table-wrap thead th { border-bottom-color: #b6ccec; }
.article-steps { margin-block: 25px; padding-left: 1.6em; }
.article-steps > li { padding: 0 0 23px 7px; border-bottom: 1px solid var(--line); }
.article-steps > li + li { margin-top: 24px; }
.article-steps > li::marker { color: var(--blue); font-weight: 700; }
.article-steps > li > strong { display: block; color: var(--ink); font-size: 18px; line-height: 1.75; }
.article-steps > li > p { margin-top: 9px; }
.article-photo { margin: 32px 0; }
.article-photo img { width: 100%; height: auto; border-radius: 3px; }
.article-photo.portrait { max-width: 480px; margin-inline: auto; }
.article-source-link { display: inline-block; margin-top: 14px; font-size: 13px; }
.article-sources { margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--line); }
.article-sources h2 { padding: 0; border: 0; font-size: 20px; }
.article-sources > ol { margin-block: 0; color: var(--muted); font-size: 13px; line-height: 1.95; }
.article-author { margin-top: 40px; padding: 26px 0; border-block: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.article-author h2, .article-author h3 { margin: 0 0 12px; padding: 0; border: 0; font-size: 18px; }
.article-author strong { color: var(--ink); }
.article-related { margin-top: 42px; }
.article-related h2, .article-related h3 { font-size: 20px; }
.article-related > a { display: block; padding-block: 19px; border-bottom: 1px solid var(--line); font-weight: 650; }

@media (max-width: 1100px) {
  .article-layout { grid-template-columns: 200px minmax(0, 760px); gap: 36px; }
  .article-title { font-size: 38px; }
  .column-grid { gap: 30px; }
}
@media (max-width: 900px) {
  .article-layout { grid-template-columns: minmax(0, 760px); gap: 32px; }
  .article-toc { position: static; max-height: none; padding: 20px 0; border-block: 1px solid var(--line); border-right: 0; }
  .article-toc ol { margin-top: 14px; }
  .article-cover { margin-bottom: 36px; }
}
@media (max-width: 760px) {
  .column-filters { gap: 8px; padding-block: 18px; }
  .column-filters [data-topic-filter] { padding-inline: 13px; font-size: 13px; }
  .column-filters label { width: 100%; margin: 10px 0 0; }
  .column-filters select { flex: 1; }
  [data-result-count] { margin-block: 15px 22px; }
  .column-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .column-card-link { padding-bottom: 24px; }
  .column-card-body { padding-top: 18px; }
  .column-card h3 { font-size: 21px; }
  .article-main { padding-block: 22px 52px; }
  .article-header { margin-block: 35px 27px; }
  .article-category { margin-bottom: 13px; font-size: 12px; }
  .article-title { font-size: 28px; line-height: 1.55; }
  .article-lead { margin-top: 21px; font-size: 16px; }
  .article-meta { margin-top: 21px; gap: 5px 15px; font-size: 12px; }
  .article-header .article-tags { margin-top: 15px; }
  .article-cover { margin-bottom: 28px; }
  .article-layout { gap: 28px; }
  .article-body { font-size: 16px; line-height: 2; }
  .article-body > section { margin-top: 43px; }
  .article-body h2, .article-body h3 { scroll-margin-top: 98px; }
  .article-body h2 { margin-bottom: 20px; padding-bottom: 14px; font-size: 23px; line-height: 1.65; }
  .article-body h3 { font-size: 19px; }
  .article-summary { padding: 22px 19px; }
  .article-summary h2 { padding: 0; font-size: 19px; }
  .article-note { padding: 18px; }
  .article-insight { padding: 21px 19px; }
  .article-table-wrap th, .article-table-wrap td { padding: 14px; }
  .article-photo { margin-block: 26px; }
  .article-sources { margin-top: 38px; }
  .article-sources h2, .article-related h2 { padding: 0; font-size: 20px; }
  .article-author { margin-top: 30px; padding-block: 22px; }
  .article-author h2, .article-author h3 { padding: 0; font-size: 18px; }
}

.article-body > section[id] { scroll-margin-top: 16px; }
.article-table-hint { display: none; }
@media (max-width: 760px) {
  .article-body > section[id] { scroll-margin-top: 12px; }
  .article-table-hint { display: block; margin-top: 22px; color: var(--muted); font-size: 12px; }
  .article-table-hint + .article-table-wrap { margin-top: 10px; }
}