.at{background:var(--aroc-stone-100);color:var(--aroc-ink-800);font-size:16px;line-height:1.62}.at-wrap{max-width:var(--container);padding:0 var(--gutter);margin:0 auto}.at-sr{position:absolute;left:-9999px}.at-progress{z-index:90;pointer-events:none;height:3px;position:fixed;top:0;left:0;right:0}.at-progress>div{background:var(--aroc-gold-400);height:3px}.at-grid{max-width:var(--container);padding:clamp(2rem,4vw,3.5rem) var(--gutter) 0;flex-wrap:wrap;align-items:flex-start;gap:48px 64px;margin:0 auto;display:flex}.at-article{flex:30rem;min-width:0;max-width:44rem}.at-rail{display:none}@media (min-width:64rem){.at-rail{flex-direction:column;flex:0 0 22rem;align-self:flex-start;gap:24px;max-height:calc(100vh - 110px);padding-top:8px;display:flex;position:sticky;top:96px;overflow:auto}.at-toc-m{display:none}}.at-crumb{color:var(--aroc-ink-500);font-size:14px}.at-crumb a{color:var(--aroc-ink-500);text-decoration:none}.at-crumb a:hover{color:var(--aroc-ink-800)}.at-crumb--end{margin:40px 0 64px;font-size:13px}.at-chip{font-family:var(--font-mono);font-size:var(--text-label);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--aroc-gold-700);margin-top:28px;font-weight:500;text-decoration:none;display:inline-block}.at-h1{font-family:var(--font-display);font-weight:700;font-size:var(--text-display-2,clamp(36px,5vw,56px));letter-spacing:var(--tracking-display);max-width:18ch;margin:16px 0 0;line-height:1.08}.at-stand{color:var(--aroc-ink-500);margin:24px 0 0;font-size:20px;line-height:1.55}.at-meta{color:var(--aroc-ink-500);flex-wrap:wrap;gap:4px 16px;margin:20px 0 0;font-size:14px;display:flex}.at-meta a{color:var(--aroc-gold-700);font-weight:500}.at-label{font-family:var(--font-mono);font-size:var(--text-label);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--aroc-ink-500);margin-bottom:8px;display:block}.at-label--gold{color:var(--aroc-gold-300)}.at-label--gold2{color:var(--aroc-gold-700);margin-bottom:10px}.at-answer{background:var(--aroc-stone-050);border:1px solid var(--aroc-stone-300);border-left:3px solid var(--aroc-gold-400);border-radius:var(--radius-sm);max-width:44rem;margin-top:32px;padding:24px 28px}.at-answer p{margin:0;font-size:19px;line-height:1.6}.at-answer .at-answer__foot{border-top:1px solid var(--rule-light);margin:16px 0 0;padding-top:14px;font-size:15px}.at-toc-m{border:1px solid var(--aroc-stone-300);border-radius:var(--radius-sm);background:var(--aroc-stone-050);margin-top:20px}.at-toc-m summary{cursor:pointer;align-items:center;min-height:48px;padding:0 16px;font-weight:500;list-style:none;display:flex}.at-toc-m summary::-webkit-details-marker{display:none}.at-toc-m ol{flex-direction:column;margin:0;padding:0 16px 12px 40px;display:flex}.at-toc-m a{min-height:44px;color:var(--aroc-ink-800);padding:10px 0;text-decoration:none;display:block}.at-hero{margin:32px 0 0}.at-hero img{aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);width:100%;height:auto;display:block}.at-hero figcaption{color:var(--aroc-ink-500);margin-top:10px;font-size:13px}.at-a{color:var(--aroc-gold-700);border-bottom:1px solid var(--aroc-gold-700);font-weight:500;text-decoration:none}.at-a:hover{color:var(--aroc-ink-800)}.at-h2{font-family:var(--font-display);letter-spacing:var(--tracking-heading);margin:56px 0 0;scroll-margin-top:120px;font-size:clamp(26px,3vw,32px);font-weight:700;line-height:1.2}.at-h2--sm{margin-top:0;font-size:22px}.at-anchor{color:var(--aroc-stone-400);opacity:0;font-weight:400;text-decoration:none}.at-h2:hover .at-anchor,.at-anchor:focus{opacity:1}.at-p{max-width:44rem;margin:20px 0 0;font-size:18px;line-height:1.7}.at-list{flex-direction:column;gap:10px;max-width:44rem;margin:20px 0 0;padding:0 0 0 22px;font-size:18px;line-height:1.7;display:flex}.at-cite{font-size:12px}.at-cite a{color:var(--aroc-gold-700);padding:0 1px;text-decoration:none}.at-key{background:var(--aroc-ink-800);max-width:44rem;color:var(--aroc-stone-100);border-radius:var(--radius-sm);margin:32px 0 0;padding:24px 28px;font-size:19px;line-height:1.5}.at-tablewrap{max-width:44rem;margin:28px 0 0;overflow-x:auto}.at-table{border-collapse:collapse;width:100%;min-width:30rem}.at-table caption{text-align:left;color:var(--aroc-ink-500);padding-bottom:10px;font-size:14px}.at-table th{text-align:left;color:var(--aroc-ink-500);border-bottom:2px solid var(--aroc-ink-800);padding:12px 16px;font-size:14px;font-weight:500}.at-table td{border-bottom:1px solid var(--rule-light);vertical-align:top;padding:14px 16px;font-size:16px;line-height:1.5}.at-table td:last-child{color:var(--aroc-ink-500)}.at-table td:first-child{background:var(--aroc-stone-100);position:sticky;left:0}.at-timeline{max-width:44rem;margin:28px 0 0}.at-timeline ol{grid-template-columns:repeat(auto-fit,minmax(9rem,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.at-timeline li{border-top:3px solid var(--aroc-stone-300);border-radius:var(--radius-sm);background:0 0;padding:14px 16px}.at-timeline li[data-on=true]{border-top-color:var(--aroc-gold-400);background:var(--aroc-stone-050)}.at-timeline span{color:var(--aroc-gold-700);font-size:13px;font-weight:500;display:block}.at-timeline b{font-family:var(--font-display);letter-spacing:var(--tracking-heading);font-size:18px}.at-timeline p{margin:12px 0 0;font-size:14px}.at-proof{background:var(--aroc-stone-050);border:1px solid var(--aroc-stone-300);border-top:3px solid var(--aroc-gold-400);border-radius:var(--radius-sm);max-width:44rem;margin:28px 0 0;padding:28px}.at-proof 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ul{flex-direction:column;gap:8px;margin:0;padding:0;font-size:15px;list-style:none;display:flex}.at-sub{background:var(--aroc-stone-200);border-radius:var(--radius-sm);flex-direction:column;gap:10px;padding:20px;font-size:15px;display:flex}.at-sub__t{font-weight:500}.at-author{background:var(--aroc-stone-050);border:1px solid var(--aroc-stone-300);border-radius:var(--radius-sm);align-items:flex-start;gap:20px;max-width:44rem;margin-top:64px;padding:28px;display:flex}.at-author img{flex:none;width:44px;height:44px}.at-author p{margin:0;font-size:16px}.at-end{background:var(--aroc-ink-800);color:var(--aroc-stone-100);margin-top:64px;padding:clamp(4rem,8vw,6rem) 0}.at-end__in{max-width:var(--container);padding:0 var(--gutter);flex-wrap:wrap;align-items:center;gap:40px 64px;margin:0 auto;display:flex}.at-end__in>div:first-child{flex:24rem}.at-end 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h2{font-family:var(--font-display);letter-spacing:var(--tracking-heading);font-weight:700;font-size:var(--text-h2,28px);margin:0}.at-related__grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,19rem),1fr));gap:24px;margin-top:28px;display:grid}.at-related__grid a{background:var(--aroc-stone-050);border:1px solid var(--aroc-stone-300);border-radius:var(--radius-sm);color:var(--aroc-ink-800);flex-direction:column;gap:10px;padding:24px;text-decoration:none;display:flex}.at-related__grid a:hover{border-color:var(--aroc-gold-400)}.at-related__grid a>span:first-child{color:var(--aroc-ink-500);font-size:14px}.at-related__grid b{font-family:var(--font-display);letter-spacing:var(--tracking-heading);color:var(--aroc-gold-700);font-size:20px;font-weight:700;line-height:1.25}.at-related__grid a>span:nth-child(3){color:var(--aroc-ink-500);flex:1;font-size:15px}.at-related__grid a>span:last-child{color:var(--aroc-ink-500);font-size:13px}.at-bar{z-index:60;padding:12px var(--gutter);background:var(--aroc-ink-800);border-top:1px solid var(--rule-dark);gap:8px;display:flex;position:fixed;bottom:0;left:0;right:0}.at-bar .at-btn{flex:1}.at-bar button{border-radius:var(--radius-sm);width:48px;min-height:48px;color:var(--aroc-stone-100);cursor:pointer;background:0 0;border:1px solid #f5f2eb59;font-size:16px}@media (min-width:64rem){.at-bar{display:none}}.at-tool{background:var(--aroc-stone-050);border:1px solid var(--aroc-stone-300);border-top:3px solid var(--aroc-gold-400);border-radius:var(--radius-sm);max-width:44rem;margin:40px 0 0;padding:28px}.at-tool h3{font-family:var(--font-display);letter-spacing:var(--tracking-heading);margin:0;font-size:24px;font-weight:700}.at-tool__lead{color:var(--aroc-ink-500);margin:8px 0 20px}.at-tool fieldset{border:0;margin:0 0 18px;padding:0}.at-tool legend{font-weight:700;font-family:var(--font-display);margin-bottom:8px}.at-tool label{cursor:pointer;align-items:flex-start;gap:12px;min-height:44px;padding:6px 0;line-height:1.45;display:flex}.at-tool input[type=checkbox]{width:22px;height:22px;accent-color:var(--aroc-gold-600);flex:none;margin-top:2px}.at-tool__actions{flex-wrap:wrap;gap:12px;margin-top:8px;display:flex}.at-btn--line-ink{border:1px solid var(--aroc-ink-800);color:var(--aroc-ink-800)}.at-tool__sub{border-top:1px solid var(--rule-light);flex-direction:column;gap:10px;margin-top:20px;padding-top:16px;font-size:15px;display:flex}@media print{.nv,.at-progress,.at-rail,.at-bar,.at-end,.at-related,footer,.at-toc-m,.at-hero,.at-faq,.at-sources,.at-tool__actions,.at-tool__sub,.at-mid{display:none!important}}.at-form textarea,.at-form select{border:1px solid var(--aroc-stone-400);border-radius:var(--radius-sm);min-height:48px;font:inherit;color:var(--aroc-ink-800);background:#fff;padding:8px 12px;font-weight:400}.at-form textarea{resize:vertical;min-height:0}.at-band{background:var(--aroc-gold-300);color:var(--aroc-ink-900);margin-top:64px;padding:clamp(2.5rem,5vw,3.5rem) 0}.at-band__in{max-width:var(--container);padding:0 var(--gutter);margin:0 auto}.at-band h3{font-family:var(--font-display);letter-spacing:var(--tracking-heading);margin:0;font-size:26px;font-weight:700;line-height:1.2}.at-band p{max-width:52ch;margin:12px 0 0;font-size:18px}.at-band__in>div{flex-wrap:wrap;align-items:center;gap:12px 24px;margin-top:20px;display:flex}