.reference-detail{max-width:920px;margin:auto;padding:7rem clamp(1.2rem,5vw,3rem) 5rem;min-height:75vh}.reference-detail h1{font:600 clamp(3rem,8vw,5.5rem)/1.06 var(--serif);margin:.4rem 0 1.5rem}.reference-detail .standfirst{font-size:1.25rem;line-height:1.6}.reference-detail section,.reference-detail details{border-top:1px solid var(--line);padding:1.5rem 0}.reference-detail h2{font:600 2rem var(--serif)}.reference-detail .breadcrumbs{margin:1rem 0 3rem}.reference-clearance{display:flex;gap:1rem;align-items:center;margin:2rem 0}.reference-clearance select{min-height:44px;padding:.5rem}.reference-detail details[hidden]{display:none}.reference-detail summary{cursor:pointer;font-weight:700}