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@media(max-width:700px){.learn-header{padding:16px 20px;align-items:center;flex-wrap:wrap}.learn-header .brand-logo{width:155px}.learn-header nav{gap:14px;flex:1;min-width:190px}.learn-header nav a{font-size:14px}.library,.article-shell{padding:0 20px}.library-intro{grid-template-columns:1fr;gap:23px;padding-top:30px}.learn h1{font-size:32px;line-height:1.55}.library-feature{height:260px;border-radius:55px 10px 10px 10px}.library-tags{gap:6px}.learn-grid,.learn-grid.two{grid-template-columns:1fr}.learn-section-heading{align-items:start;flex-direction:column;gap:8px}.learn-section-heading h2{font-size:25px}.card-art{height:230px}.topic-nav a{font-size:14px;padding:7px 13px}.article-top h1{font-size:30px}.article-deck{font-size:17px}.article-image>img{height:280px}.article-layout{display:block}.toc{position:static;padding:20px;background:#eeeee3;border-radius:10px;margin-bottom:30px}.toc a{margin:10px 0}.article-body{font-size:17px}.article-body h2{font-size:24px}.process{grid-template-columns:repeat(2,1fr);row-gap:18px}.thai-note,.checklist,.editorial-note{padding:21px}.learn-footer{padding:26px 20px}.learn-promo{padding:24px}.learn-promo a{white-space:normal}.learn .eyebrow{letter-spacing:1.5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.learn-card{transition:none}}
/* Keep the complete fish or egg visible in editorial photography. */
.article-image>img{object-fit:contain;background:#18382f}.card-art img[src$="medaka-swimming.jpg"]{object-position:50% 25%}
/* Standard article index: one main subject per card and page. */
.library-intro{display:block;padding:32px 0 20px;max-width:850px}.library-intro h1{font-size:clamp(30px,4vw,44px);margin:8px 0 14px}.library-intro p{margin:0 0 18px}.learn-card{height:100%}.learn-card-copy{display:flex;flex-direction:column}.learn-card-copy b{margin-top:auto}.topic-nav{margin-top:0}