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17rem);overflow-y:auto;padding:4px;margin-left:-4px;scrollbar-width:thin}.article-back-top{display:inline-flex;margin-top:1.5rem;font-size:.85rem}.article-mobile-toc{display:none}}@media(max-width:639px){.article-title{font-size:clamp(2.8rem,11.5vw,4.2rem)}.article-opener{padding-bottom:3rem}.article-overview{padding:2.5rem 0}.article-reading{padding:2.5rem 0 3.5rem}.article-prose{font-size:1.05rem;line-height:1.75}}@media(prefers-reduced-motion:reduce){.article-page *,.article-page *:before,.article-page *:after{transition:none!important}}.article-prose .cost-list{display:grid;gap:0 2rem;margin:2.5rem 0}.article-prose .cost-card p{margin-top:.8rem;line-height:1.65}.article-prose .essay-panel,.article-prose .essay-chips>li{border-radius:0}@media(min-width:768px){.article-prose .cost-list{grid-template-columns:repeat(2,minmax(0,1fr))}.article-prose .cost-card:last-child{grid-column:1 / -1}}.article-rail nav a{min-height:44px}