.knowledge-header{background:var(--paper);border-bottom:1px solid #d8dbd1;justify-content:space-between;align-items:center;gap:24px;padding:18px 5vw;display:flex}.knowledge-header nav{flex-wrap:wrap;gap:20px;font-size:14px;font-weight:700;display:flex}.knowledge-header a[aria-current]{color:var(--green)}.knowledge{max-width:1280px;margin:auto;padding:55px 5vw 90px}.knowledge a:hover{text-decoration:underline}.knowledge-intro{max-width:860px;margin-bottom:50px}.knowledge h1{font-size:clamp(42px,6vw,78px);line-height:1.06}.knowledge-intro>p:last-child,.article-description{color:#4c554a;max-width:780px;font-size:20px}.article-card{background:var(--cream);border:1px solid #d8dbd1;border-radius:16px;max-width:1040px;overflow:hidden}.article-card>a{grid-template-columns:1fr 1.1fr;display:grid}.article-card img{object-fit:cover;width:100%;height:100%;min-height:320px}.article-card>a>div{padding:36px}.article-card h2{font-size:38px;line-height:1.1}.article-card .eyebrow{font-size:12px}.article-grid{gap:30px;display:grid}.knowledge-pagination,.article-share{flex-wrap:wrap;gap:22px;margin-top:35px;display:flex}.breadcrumbs,.article-byline,figcaption,.source-note{color:#536052;font-size:14px}.article-heading{max-width:950px;margin:35px 0}.article-hero{margin:0 0 45px}.article-hero img{object-fit:cover;border-radius:16px;width:100%;height:clamp(260px,40vw,520px)}.article-hero figcaption{max-width:850px;margin-top:12px;line-height:1.5}.article-layout{grid-template-columns:230px minmax(0,740px);gap:60px;display:grid}.article-layout aside nav{gap:16px;font-size:14px;line-height:1.5;display:grid;position:sticky;top:35px}.article-body{min-width:0;font-size:18px;line-height:1.75}.article-body h2{letter-spacing:-.03em;font-size:clamp(29px,3vw,40px);line-height:1.15}.article-body section{margin:45px 0;scroll-margin-top:30px}.article-body a{text-underline-offset:4px;text-decoration:underline}.article-opening{color:var(--forest);margin-top:0;font-size:23px}.article-summary{border-left:4px solid var(--green);background:#e7ebdf;padding:24px 30px}.article-summary p{margin-bottom:0}.article-body details{border-bottom:1px solid #cbd1c7;padding:18px 0}.article-body summary{cursor:pointer;font-weight:700}.article-cta{background:var(--forest);color:#fff;border-radius:16px;padding:32px}.article-cta .eyebrow{color:var(--lime)}.article-actions{flex-wrap:wrap;align-items:center;gap:20px;font-size:16px;display:flex}.article-actions .button{text-decoration:none}.article-body li{margin:10px 0}.article-share{border-top:1px solid #cbd1c7;padding-top:25px;font-size:16px}.knowledge a:focus-visible{outline:3px solid var(--green);outline-offset:5px}.knowledge-header a:focus-visible{outline:3px solid var(--green);outline-offset:5px}summary:focus-visible{outline:3px solid var(--green);outline-offset:5px}.desktop-nav{gap:18px}@media (max-width:1050px){.knowledge-header{flex-wrap:wrap}.knowledge-header nav{order:3;gap:16px;width:100%}.article-layout{grid-template-columns:1fr;gap:25px}.article-layout aside nav{border-block:1px solid #d8dbd1;grid-template-columns:1fr 1fr;padding:20px 0;position:static}.article-layout aside strong{grid-column:1/-1}}@media (max-width:650px){.article-card>a{grid-template-columns:1fr}.article-card img{height:240px;min-height:0}.article-card>a>div{padding:24px}.knowledge{padding-top:30px}.article-layout aside nav{grid-template-columns:1fr}.article-cta{padding:24px}.article-heading{margin-top:25px}.article-byline{line-height:1.7}.knowledge-header .brand img{width:145px}.article-body{font-size:17px}.article-opening{font-size:21px}}.article-hero--portrait{background:var(--cream);border:1px solid #d8dbd1;border-radius:16px;padding:24px}.article-hero--portrait img{object-fit:contain;width:min(100%,820px);height:auto;max-height:none;margin:auto;display:block}@media (max-width:650px){.article-hero--portrait{padding:10px}}.article-card--portrait img{object-fit:contain;background:#e7ebdf;padding:18px}@media (max-width:650px){.article-card--portrait img{height:auto;max-height:520px;padding:10px}}.article-hero img[src^="/assets/disease-series/"]{object-fit:contain;height:auto}.article-card img[src^="/assets/disease-series/"]{object-fit:contain;background:#faf9f2}