/* Shared reading layout for BIG's columns and announcements. */
.article-heading{padding:0 0 40px;background:var(--warm);border-bottom:1px solid var(--line)}
.article-breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0;padding:20px 0;color:var(--gray);font-size:.875rem;line-height:1.7}
.article-breadcrumbs a{text-decoration:underline;text-underline-offset:4px}
.article-heading-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;align-items:center;padding-top:18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--gray);font-size:.875rem;line-height:1.7}
.article-category{display:inline-block;padding:5px 13px;border-left:3px solid var(--orange);background:var(--ink);color:#fff;font-weight:700}
.article-heading h1{margin:20px 0 16px;font-size:clamp(1.75rem,3vw,2.5rem);font-weight:800;line-height:1.55;letter-spacing:-.035em;overflow-wrap:anywhere}
.article-deck{max-width:40em;margin:0;color:var(--gray);font-size:1rem;line-height:1.9}
.article-cover{margin:0;border-bottom:5px solid var(--orange);overflow:hidden}
.article-cover img{width:100%;height:260px;object-fit:cover;object-position:center top}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;grid-template-areas:"body toc";gap:64px;align-items:start;padding-block:48px 64px}
.article-body{grid-area:body;min-width:0;font-size:1.0625rem;line-height:2;overflow-wrap:break-word}
.article-body>p:first-child{margin-top:0}
.article-body p{margin:18px 0}
.article-body a{color:var(--orange-deep);text-decoration:underline;text-underline-offset:4px}
.article-body section{margin:44px 0 0;padding:0}
.article-body h2{margin:0 0 24px;padding:14px 18px;border-left:4px solid var(--orange);background:var(--warm);font-size:1.5rem;font-weight:800;line-height:1.65;letter-spacing:-.025em}
.article-body h3{position:relative;margin:34px 0 18px;padding:0 0 13px;border-bottom:1px solid #ccd3d9;font-size:1.25rem;font-weight:800;line-height:1.75;letter-spacing:.01em}
.article-body h3::after{content:"";position:absolute;bottom:-1px;left:0;width:48px;height:3px;background:var(--orange)}
.article-body h4{margin:26px 0 12px;padding-left:13px;border-left:3px solid var(--orange);font-size:1.0625rem;font-weight:800;line-height:1.85;letter-spacing:.01em}
.article-body :is(h2,h3,h4){scroll-margin-top:calc(var(--site-header-height,88px) + 20px)}
.article-body ul,.article-body ol{margin:20px 0;padding-left:1.5em}
.article-body li{padding-left:4px;margin:7px 0}
.article-body li::marker{color:var(--orange-deep);font-weight:700}
.article-body strong{font-weight:800;color:var(--ink)}
.article-body .article-summary{margin:0 0 30px;padding:24px 28px;border-top:4px solid var(--orange);background:#fff4ee}
.article-summary h2{margin:0 0 12px;padding:0;border:0;background:none;font-size:1.125rem;letter-spacing:0}
.article-summary ul{margin:0;padding-left:1.2em}
.article-summary li{margin:7px 0;font-size:1rem;line-height:1.85}
.article-contents{grid-area:toc;position:sticky;top:calc(var(--site-header-height,88px) + 24px);align-self:start;min-width:0}
.article-contents details{border:1px solid #c9d0d6;border-top:4px solid var(--orange);background:#fff}
.article-contents summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;list-style:none;font-size:1.0625rem;font-weight:800;cursor:pointer}
.article-contents summary::-webkit-details-marker{display:none}
.article-contents summary::after{content:"＋";color:var(--orange-deep);font-size:1.25rem;font-weight:400}
.article-contents details[open] summary::after{content:"−"}
.article-contents ol{margin:0;padding:0 22px 18px 42px;font-size:.9375rem;line-height:1.65}
.article-contents li{padding:0 0 0 2px;border-top:1px solid var(--line)}
.article-contents li::marker{color:var(--orange-deep);font-variant-numeric:tabular-nums;font-weight:700}
.article-contents li a{display:block;padding:12px 0}
.article-contents a:hover{color:var(--orange-deep);text-decoration:underline;text-underline-offset:4px}
.article-contents-back{display:block;margin-top:20px;color:var(--gray);font-size:.9375rem;text-decoration:underline;text-underline-offset:4px}
.article-table-wrap{margin:24px 0;max-width:100%;overflow-x:auto;border:1px solid #ccd3d9}
.article-table{width:100%;min-width:540px;border-collapse:collapse;background:#fff;font-size:.9375rem;line-height:1.8}
.article-table caption{padding:12px 16px;background:var(--warm);color:var(--gray);text-align:left;font-size:.875rem;line-height:1.7}
.article-table th,.article-table td{padding:15px 18px;border-right:1px solid #ccd3d9;border-bottom:1px solid #ccd3d9;vertical-align:top;text-align:left}
.article-table tr>:last-child{border-right:0}.article-table tbody tr:last-child>*{border-bottom:0}
.article-table thead th{background:var(--ink);color:#fff;font-weight:700}
.article-table tbody th{background:var(--warm);font-weight:700;white-space:nowrap}
.article-table .article-table-total>*{background:#fff4ee;font-weight:800}
.article-table-note{margin-top:8px!important;color:var(--gray);font-size:.875rem;line-height:1.8}
.article-note{margin:28px 0;padding:22px 24px;border:1px solid var(--line);border-left:4px solid var(--orange);background:#f8f9fa;font-size:1rem;line-height:1.9}
.article-note p{margin:10px 0 0}.article-note>strong{display:block;font-size:1.0625rem}
.article-note-label{display:block;margin-bottom:9px;color:var(--orange-deep);font-size:.875rem;font-weight:800;letter-spacing:.08em}
.article-note--caution{border-color:#efcabb;border-left-color:var(--orange-deep);background:#fff5ef}
.article-body mark{padding:0 .1em;background:linear-gradient(transparent 55%,#ffdfcb 55%);color:inherit;font-weight:800;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.article-body .article-checklist{margin:24px 0;padding:8px 22px;border:1px solid var(--line);background:#fff;list-style:none}
.article-checklist li{position:relative;margin:0;padding:14px 0 14px 32px;line-height:1.85}
.article-checklist li+li{border-top:1px solid var(--line)}
.article-checklist li::before{content:"✓";position:absolute;top:17px;left:0;display:grid;place-items:center;width:20px;height:20px;border-radius:3px;background:#fff0e8;color:var(--orange-deep);font-size:.875rem;font-weight:800;line-height:1}
.article-body .article-steps{margin:24px 0;padding:0;list-style:none;counter-reset:article-step}
.article-steps li{position:relative;min-height:44px;margin:0;padding:15px 0 15px 46px;border-bottom:1px solid var(--line);counter-increment:article-step;line-height:1.85}
.article-steps li::before{content:counter(article-step,decimal-leading-zero);position:absolute;top:16px;left:0;display:grid;place-items:center;width:30px;height:28px;background:var(--ink);color:#fff;font-size:.8125rem;font-weight:700;font-variant-numeric:tabular-nums;line-height:1}
.article-steps strong{display:block}
.article-body blockquote{position:relative;margin:28px 0;padding:24px 26px 24px 64px;border-left:3px solid #aeb5bd;background:var(--warm)}
.article-body blockquote::before{content:"“";position:absolute;top:12px;left:20px;color:#838b95;font-family:Georgia,serif;font-size:3.5rem;line-height:1}
.article-body blockquote p{margin:0;font-size:1rem;line-height:1.95}
.article-body blockquote cite{display:block;margin-top:14px;color:var(--gray);font-size:.875rem;font-style:normal;line-height:1.8}
.article-body .article-footnote-ref{margin-left:3px;font-size:.8125rem;font-weight:700;vertical-align:super;line-height:0;scroll-margin-top:calc(var(--site-header-height,88px) + 20px)}
.article-body .article-footnote-ref a{display:inline;padding:5px 3px;color:var(--orange-deep);text-decoration:none}
.article-footnote-ref a:hover{text-decoration:underline}
.article-body .article-footnotes{margin-top:38px;padding:24px 26px;border-top:2px solid #aeb5bd;background:var(--warm)}
.article-body .article-footnotes h2{margin:0 0 14px;padding:0;border:0;background:none;font-size:1.0625rem;letter-spacing:.02em}
.article-body .article-footnotes ol{margin:0;padding:0;list-style:none;counter-reset:article-footnote}
.article-footnotes li{position:relative;margin:0;padding:14px 0 14px 38px;color:var(--gray);font-size:.875rem;line-height:1.9;counter-increment:article-footnote;scroll-margin-top:calc(var(--site-header-height,88px) + 20px);overflow-wrap:anywhere}
.article-footnotes li+li{border-top:1px solid #dde1e5}
.article-footnotes li::before{content:counter(article-footnote);position:absolute;top:16px;left:0;display:grid;place-items:center;width:24px;height:24px;border:1px solid #ccd3d9;background:#fff;color:var(--ink);font-size:.8125rem;font-weight:800;line-height:1}
.article-footnotes li:target{background:#ffeadc;outline:2px solid #efc7ac;outline-offset:5px}
.article-body .article-footnote-back{display:inline-flex;align-items:center;min-height:28px;margin-left:10px;padding:0 3px;white-space:nowrap;color:var(--gray);font-size:.8125rem;font-weight:700;text-underline-offset:3px}
.article-body .article-reviewer{margin-top:32px;padding:0;border:1px solid #ccd3d9;border-top:3px solid var(--ink);background:#fff}
.article-reviewer-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:15px 24px;border-bottom:1px solid var(--line)}
.article-body .article-reviewer-header h2{margin:0;padding:0;border:0;background:none;font-size:1rem;letter-spacing:.04em}
.article-reviewer-status{padding:3px 9px;border:1px solid #cbd1d7;color:var(--gray);font-size:.8125rem;font-weight:700;line-height:1.6}
.article-reviewer-content{display:grid;grid-template-columns:108px minmax(0,1fr);gap:24px;padding:26px 24px}
.article-reviewer-portrait{display:grid;place-items:center;align-self:start;aspect-ratio:1;margin:0;border:1px solid var(--line);border-radius:50%;background:var(--warm);overflow:hidden}
.article-reviewer-portrait img{width:100%;height:100%;object-fit:cover}
.article-reviewer-portrait span{color:var(--gray);font-size:.875rem;line-height:1.7;text-align:center}
.article-body .article-reviewer-name{margin:0 0 10px;padding:0;border:0;background:none;font-size:1.125rem;line-height:1.8}
.article-body .article-reviewer-name::after{content:none}
.article-reviewer-content p{margin:0;color:var(--gray);font-size:.9375rem;line-height:1.9}
.article-reviewer-fields{margin:14px 0 0;font-size:.875rem;line-height:1.9}
.article-reviewer-fields>div{display:grid;grid-template-columns:6em minmax(0,1fr);gap:12px;padding:6px 0;border-top:1px solid var(--line)}
.article-reviewer-fields dt{font-weight:700}.article-reviewer-fields dd{margin:0;color:var(--gray)}
.article-reviewer-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;padding:14px 24px;border-top:1px solid var(--line);background:var(--warm);font-size:.875rem;line-height:1.8}
.article-reviewer-footer span{color:var(--gray)}.article-reviewer-footer a{font-weight:700}
.article-body a:focus-visible,.article-table-wrap:focus-visible{outline:3px solid var(--orange-deep);outline-offset:4px;border-radius:2px}
.article-body .article-reference{margin:20px 0 0;color:var(--gray);font-size:.875rem;line-height:1.8}
.article-reference a{font-weight:400}
.article-body .article-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:26px 0;padding:0;list-style:none}
.article-flow li{position:relative;margin:0;padding:18px;border-top:3px solid var(--orange);background:var(--warm)}
.article-flow li+li::before{content:"→";position:absolute;left:-23px;top:22px;color:var(--orange-deep);font-size:1.25rem;font-weight:700}
.article-flow strong{display:block;font-size:1rem}.article-flow span{display:block;margin-top:5px;color:var(--gray);font-size:.9375rem;line-height:1.8}
.article-faq{margin:0}.article-faq div{padding:22px 0;border-bottom:1px solid var(--line)}.article-faq div:first-child{padding-top:0}
.article-faq dt{position:relative;padding-left:34px;font-size:1.125rem;font-weight:800;line-height:1.8}.article-faq dt::before{content:"Q";position:absolute;left:0;top:0;color:var(--orange-deep)}
.article-faq dd{position:relative;margin:10px 0 0;padding-left:34px;color:var(--gray);font-size:1rem;line-height:1.95}.article-faq dd::before{content:"A";position:absolute;left:0;top:0;color:var(--orange-deep);font-size:1.125rem;font-weight:800;line-height:1.8}
.article-end{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);font-size:.9375rem}
.article-end a{font-weight:700}.article-end span{color:var(--gray);font-size:.875rem}
.article-related{padding:48px 0 56px;background:var(--warm);border-top:1px solid var(--line)}
.article-related-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}
.article-related h2{font-size:1.5rem;letter-spacing:-.02em}.article-related-heading>a{font-size:.9375rem;text-decoration:underline;text-underline-offset:4px}
.article-related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.article-related-link{display:flex;flex-direction:column;min-width:0;padding:0;border:1px solid #c9d0d6;border-top:3px solid var(--orange);background:#fff}
.article-related-image{width:100%;aspect-ratio:16/9;height:auto;object-fit:cover;object-position:center top;background:#e9edf1}
.article-related-copy{display:grid;grid-template-columns:minmax(0,1fr) 28px;gap:10px 16px;align-content:start;flex:1;min-width:0;padding:24px}
.article-related-copy>span:first-child{color:var(--orange-deep);font-size:.875rem;font-weight:700}
.article-related-link strong{grid-column:1;font-size:1.125rem;line-height:1.8;font-weight:800}
.article-related-arrow{grid-column:2;grid-row:1 / 3;align-self:center;color:var(--orange-deep);font-size:1.5rem}
.article-related-link:hover{border-color:var(--ink)}.article-related-link:hover strong{color:var(--orange-deep)}
.article-heading--news .article-heading-grid{grid-template-columns:minmax(0,1fr);max-width:900px;margin-inline:auto;padding-top:18px}
.article-heading--news h1{margin-bottom:0}
.article-news-body{width:min(calc(100% - 64px),900px);margin-inline:auto;padding:42px 0 64px;font-size:1.0625rem;line-height:2}
.article-news-body>p{margin:0 0 22px}.article-news-body a{color:var(--orange-deep);text-decoration:underline;text-underline-offset:4px;font-weight:700}
.article-news-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:30px 0}
.article-news-links a{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;border:1px solid var(--line);border-left:4px solid var(--orange);background:var(--warm);color:var(--ink);text-decoration:none}
.article-news-links a:hover{background:#fff4ee}
@media(max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 256px;gap:36px}
  .article-heading-grid{gap:32px}.article-cover img{height:240px}
}
@media(max-width:980px){
  .article-layout{grid-template-columns:minmax(0,1fr);grid-template-areas:"toc" "body";gap:32px;max-width:820px;padding-block:36px 48px}
  .article-contents{position:static}.article-contents ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}
  .article-contents-back{display:none}.article-heading-grid{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:26px}
  .article-heading h1{font-size:1.875rem}.article-cover img{height:230px}
  .article-related-list{gap:14px}.article-related-copy{padding:20px}.article-related-link strong{font-size:1rem}
}
@media(max-width:700px){
  .article-heading{padding-bottom:26px}.article-heading-grid{grid-template-columns:minmax(0,1fr);gap:22px;padding-top:6px}
  .article-heading h1{margin:16px 0 12px;font-size:1.75rem;line-height:1.55}
  .article-cover img{height:clamp(170px,43vw,230px);object-position:center top}
  .article-related-list{grid-template-columns:minmax(0,1fr)}.article-related-link{display:grid;grid-template-columns:112px minmax(0,1fr);align-items:center}.article-related-image{height:auto;aspect-ratio:4/3}.article-related-copy{gap:8px 12px;padding:18px}
  .article-related-link strong{font-size:1.0625rem}.article-related-heading{align-items:baseline}
  .article-related h2{font-size:1.375rem}.article-related-heading>a{font-size:.875rem}
  .article-news-links{grid-template-columns:minmax(0,1fr);gap:12px}
}
@media(max-width:600px){
  .article-related-link{grid-template-columns:92px minmax(0,1fr)}.article-related-copy{grid-template-columns:minmax(0,1fr) 20px;gap:8px;padding:14px}
  .article-breadcrumbs{padding:16px 0;font-size:.8125rem}.article-meta{gap:12px}
  .article-layout{padding-top:28px;gap:26px}.article-body{font-size:1rem;line-height:1.95}
  .article-body h2{padding:12px 14px;font-size:1.25rem}.article-body h3{font-size:1.125rem}
  .article-body section{margin-top:34px}.article-body .article-summary{padding:20px;margin-top:0;margin-bottom:24px}
  .article-summary h2{font-size:1.0625rem;padding:0}.article-summary li{font-size:1rem}
  .article-contents ol{display:block;padding-bottom:12px}.article-contents li a{padding:10px 0}
  .article-contents summary{padding:15px 18px}.article-body .article-flow{grid-template-columns:minmax(0,1fr);gap:20px}
  .article-flow li{padding:15px 18px}.article-flow li+li::before{content:"↓";left:22px;top:-28px}
  .article-note{padding:18px 20px}.article-table th,.article-table td{padding:13px 15px}
  .article-body h3{margin-top:28px;padding-bottom:11px}.article-body h4{font-size:1rem}
  .article-body .article-checklist{padding:4px 16px}.article-checklist li{padding-left:30px}
  .article-body blockquote{padding:22px 18px 22px 48px}.article-body blockquote::before{left:13px;font-size:3rem}
  .article-body .article-footnotes{padding:20px 18px}.article-footnotes li{padding-left:34px}
  .article-reviewer-header{padding:14px 18px}.article-reviewer-content{grid-template-columns:64px minmax(0,1fr);gap:16px;padding:22px 18px}
  .article-reviewer-portrait span{font-size:.8125rem}.article-body .article-reviewer-name{font-size:1.0625rem}
  .article-reviewer-fields>div{grid-template-columns:minmax(0,1fr);gap:2px}.article-reviewer-footer{padding:14px 18px}
  .article-related{padding:34px 0 40px}.article-end{align-items:flex-start;flex-direction:column;gap:10px}
  .article-news-body{width:calc(100% - 36px);padding-block:30px 44px;font-size:1rem}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}