:root{--bg:#f4f8f7;--surface:#fff;--ink:#163a3d;--muted:#53696b;--brand:#155e63;--soft:#d6eeb7;--line:#d9e4e2;--serif:"Source Serif 4",Georgia,serif;--sans:"Public Sans",Arial,sans-serif;--wrap:1200px;--ease:cubic-bezier(.2,.8,.2,1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.65 var(--sans)}a{color:inherit}button,input{font:inherit}.wrap{width:min(calc(100% - 40px),var(--wrap));margin:auto}.skip{position:absolute;left:12px;top:-80px;background:var(--ink);color:#fff;padding:9px 14px;z-index:10}.skip:focus{top:12px}.notice{background:var(--ink);color:#fff;text-align:center;font-size:14px;padding:8px}.header{background:var(--surface);border-bottom:1px solid var(--line)}.header__inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{display:inline-flex;align-items:center;color:var(--ink);text-decoration:none}.logo 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/* B18: a one-column article grid must allow prose and wide tables to shrink. */
@media(max-width:800px){.article-layout{grid-template-columns:minmax(0,1fr)}}
.article-card p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.article-card__image{min-height:0;aspect-ratio:4/3}
@media(max-width:800px){.article-card__image{aspect-ratio:16/9}}