.lab{--lab-edge: var(--line);--lab-shell: min(1180px, 100% - 48px)}.lab-header{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(20px,4vw,40px);background:#f6f7f9eb;backdrop-filter:saturate(1.1) blur(8px);border-bottom:1px solid var(--lab-edge)}.lab-brand{display:inline-flex;flex-direction:column;line-height:1.1;text-decoration:none;color:var(--charcoal)}.lab-brand strong{font-family:var(--font-en);font-size:20px;font-weight:600;letter-spacing:.02em}.lab-brand span{font-family:var(--font-mincho);font-size:11px;color:var(--muted);letter-spacing:.18em;margin-top:3px}.lab-nav{display:flex;align-items:center;gap:clamp(12px,1.6vw,22px);flex-wrap:wrap}.lab-nav a{font-size:14px;text-decoration:none;color:var(--charcoal);padding-bottom:2px;border-bottom:1px solid transparent;transition:border-color .3s var(--ease)}.lab-nav a:hover,.lab-nav a[aria-current=page]{border-bottom-color:var(--forest)}.lab-nav .lab-nav-home{display:inline-flex;align-items:center;gap:6px;margin-left:6px;padding:0 0 0 18px;border-left:1px solid var(--lab-edge);border-bottom:0;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--charcoal);transition:color .3s var(--ease)}.lab-nav .lab-nav-home:hover{color:var(--forest);border-bottom:0}.lab-nav-home-icon{flex:none;opacity:.5;transition:opacity .3s var(--ease),transform .3s var(--ease)}.lab-nav .lab-nav-home:hover .lab-nav-home-icon{opacity:1;transform:translate(1px,-1px)}.lab-main{width:var(--lab-shell);margin:0 auto;padding:clamp(40px,6vw,72px) 0 96px}.lab-section{margin-top:clamp(48px,7vw,88px)}.lab-section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:28px;padding-bottom:12px;border-bottom:1px solid var(--lab-edge)}.lab-eyebrow{font-family:var(--font-en);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--teal);margin:0}.lab-section-head h2{font-family:var(--font-mincho);font-size:clamp(20px,2.4vw,26px);margin:6px 0 0;font-weight:600}.lab-section-head a{font-size:13px;color:var(--teal);white-space:nowrap}.lab-intro{border-bottom:1px solid var(--ink, var(--charcoal));padding:clamp(20px,4vw,40px) 0 clamp(28px,5vw,44px)}.lab-intro p.kicker{font-family:var(--font-en);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}.lab-intro h1{font-family:var(--font-mincho);font-size:clamp(26px,4vw,40px);line-height:1.4;margin:0 0 18px;font-weight:600}.lab-intro p.lead{max-width:60ch;margin:0;color:var(--charcoal)}.lab-grid{display:grid;gap:clamp(24px,2.6vw,36px);grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.lab-grid--feature{grid-template-columns:repeat(auto-fill,minmax(360px,1fr))}.lab-card{position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--lab-edge);color:var(--charcoal);transition:border-color .3s var(--ease),background .3s var(--ease)}.lab-card:hover{border-color:var(--forest);background:var(--ivory)}.lab-card-link{color:var(--charcoal);text-decoration:none}.lab-card-link:after{content:"";position:absolute;inset:0}.lab-card:hover .lab-card-link{color:var(--forest)}.lab-card-thumb{aspect-ratio:16 / 9;overflow:hidden;background:var(--ivory)}.lab-card-thumb img{width:100%;height:100%;object-fit:cover;display:block}.lab-card-body{display:flex;flex-direction:column;gap:12px;padding:clamp(22px,2.2vw,28px) clamp(22px,2.2vw,28px) clamp(24px,2.4vw,30px);flex:1}.lab-card-meta{font-family:var(--font-en);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.lab-card h3{font-family:var(--font-mincho);font-size:17px;line-height:1.5;margin:0;font-weight:600}.lab-card p{font-size:13.5px;line-height:1.8;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.lab-tags{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:16px}.lab-tag{font-size:11px;color:var(--muted);border:1px solid var(--lab-edge);border-radius:999px;padding:2px 9px;text-decoration:none}.lab-tag:hover{border-color:var(--teal);color:var(--teal)}.lab-cat-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.lab-cat-card{display:block;padding:22px 22px 24px;border:1px solid var(--lab-edge);background:var(--white);text-decoration:none;color:var(--charcoal);transition:border-color .3s var(--ease),background .3s var(--ease)}.lab-cat-card:hover{border-color:var(--forest);background:var(--ivory)}.lab-cat-card .en{font-family:var(--font-en);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.lab-cat-card h3{font-family:var(--font-mincho);font-size:19px;margin:6px 0 8px;font-weight:600}.lab-cat-card p{font-size:13px;line-height:1.75;color:var(--muted);margin:0}.lab-cat-card .count{display:inline-block;margin-top:12px;font-family:var(--font-en);font-size:12px;color:var(--teal)}.lab-reference{border:1px solid var(--lab-edge);background:var(--white);padding:clamp(24px,4vw,36px)}.lab-reference ol{list-style:none;margin:0;padding:0;counter-reset:ref;display:grid;gap:2px}.lab-reference li{counter-increment:ref}.lab-reference a{display:flex;align-items:baseline;gap:14px;padding:12px 4px;border-bottom:1px solid var(--lab-edge);text-decoration:none;color:var(--charcoal);transition:color .3s var(--ease)}.lab-reference a:hover{color:var(--teal)}.lab-reference a:before{content:counter(ref,decimal-leading-zero);font-family:var(--font-en);font-size:13px;color:var(--brass);min-width:24px}.lab-listing-head{border-bottom:1px solid var(--lab-edge);padding-bottom:20px}.lab-listing-head .crumbs{font-size:12px;color:var(--muted);margin:0 0 12px}.lab-listing-head .crumbs a{color:var(--teal);text-decoration:none}.lab-listing-head h1{font-family:var(--font-mincho);font-size:clamp(24px,3.4vw,34px);margin:0 0 10px;font-weight:600}.lab-listing-head p{max-width:60ch;margin:0;color:var(--muted)}.lab-tagcloud{display:flex;flex-wrap:wrap;gap:10px}.lab-tagcloud a{font-size:14px;text-decoration:none;color:var(--charcoal);border:1px solid var(--lab-edge);border-radius:999px;padding:7px 16px;transition:border-color .3s var(--ease),color .3s var(--ease)}.lab-tagcloud a:hover{border-color:var(--teal);color:var(--teal)}.lab-tagcloud a .n{font-family:var(--font-en);font-size:11px;color:var(--muted);margin-left:6px}.lab-empty{border:1px dashed var(--lab-edge);padding:40px;text-align:center;color:var(--muted);font-size:14px}.lab-footer-region{margin-top:clamp(56px,8vw,96px);border-top:1px solid var(--ink, var(--charcoal));background:var(--paper)}.lab-footer-grid{width:var(--lab-shell);margin:0 auto;padding:clamp(40px,6vw,64px) 0 clamp(28px,3vw,36px);display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(28px,4vw,56px)}.lab-footer-mark{display:inline-block;text-decoration:none;color:var(--charcoal);line-height:1.1}.lab-footer-mark strong{font-family:var(--font-en);font-size:19px;font-weight:600;letter-spacing:.02em}.lab-footer-mark span{display:block;font-family:var(--font-en);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-top:5px}.lab-footer-brand p{margin:16px 0 0;max-width:32ch;font-size:13.5px;line-height:1.85;color:var(--muted)}.lab-footer-col{display:flex;flex-direction:column;gap:11px}.lab-footer-head{font-family:var(--font-en);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:0 0 4px}.lab-footer-col a{width:fit-content;font-size:14px;color:var(--charcoal);text-decoration:none;border-bottom:1px solid transparent;transition:color .3s var(--ease),border-color .3s var(--ease)}.lab-footer-col a:hover{color:var(--forest);border-bottom-color:var(--forest)}.lab-footer-ext{display:inline-flex;align-items:center;gap:6px;font-weight:600}.lab-footer-ext svg{flex:none;opacity:.55;transition:opacity .3s var(--ease),transform .3s var(--ease)}.lab-footer-ext:hover svg{opacity:1;transform:translate(1px,-1px)}.lab-footer-base{width:var(--lab-shell);margin:0 auto;padding:16px 0 30px;border-top:1px solid var(--lab-edge);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.lab-footer-base small{font-family:var(--font-en);font-size:11.5px;letter-spacing:.06em;color:var(--muted)}.lab-article{max-width:760px;margin:0 auto;padding-top:clamp(8px,2vw,20px)}.lab-article .crumbs{font-size:12px;color:var(--muted);margin:0 0 22px}.lab-article .crumbs a{color:var(--teal);text-decoration:none}.lab-article-cat{font-family:var(--font-en);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}.lab-article h1{font-family:var(--font-mincho);font-size:clamp(26px,3.4vw,38px);line-height:1.42;font-weight:600;margin:0 0 18px}.lab-article-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-family:var(--font-mono);font-size:12px;color:var(--muted);padding-bottom:22px;border-bottom:1px solid var(--lab-edge)}.lab-article-lead{font-size:17px;line-height:1.95;color:var(--charcoal);margin:26px 0 0}.lab-tldr{margin:30px 0 0;padding:clamp(20px,3vw,28px);border:1px solid var(--lab-edge);background:var(--white)}.lab-tldr-head,.lab-toc-head{font-family:var(--font-en);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin:0 0 12px}.lab-tldr ul{margin:0;padding-left:1.2em}.lab-tldr li{font-size:15px;line-height:1.85;color:var(--charcoal)}.lab-tldr li+li{margin-top:8px}.lab-toc{margin:26px 0 0;padding:20px 22px;border:1px solid var(--lab-edge);background:var(--paper)}.lab-toc ol{margin:0;padding-left:1.4em}.lab-toc li{font-size:14px;line-height:1.95}.lab-toc a{color:var(--charcoal);text-decoration:none}.lab-toc a:hover{color:var(--forest)}.lab-article-body{margin-top:clamp(36px,5vw,52px)}.lab-article-body section+section{margin-top:clamp(30px,4vw,44px)}.lab-article-body h2{font-family:var(--font-mincho);font-size:clamp(20px,2.4vw,26px);line-height:1.5;font-weight:600;margin:0 0 14px;padding-top:22px;border-top:1px solid var(--lab-edge)}.lab-article-body p{font-size:16px;line-height:1.95;color:var(--charcoal);margin:0}.lab-article-body p+p{margin-top:16px}.lab-article-body ul{margin:16px 0 0;padding-left:1.2em}.lab-article-body li{font-size:15.5px;line-height:1.85;color:var(--charcoal)}.lab-article-body li+li{margin-top:8px}.lab-faq{margin-top:clamp(40px,5vw,56px)}.lab-faq h2{font-family:var(--font-mincho);font-size:clamp(20px,2.4vw,26px);font-weight:600;margin:0 0 16px;padding-top:22px;border-top:1px solid var(--lab-edge)}.lab-faq dl{margin:0}.lab-faq div{padding:18px 0;border-bottom:1px solid var(--lab-edge)}.lab-faq dt{font-family:var(--font-mincho);font-weight:600;font-size:16px;margin:0 0 8px}.lab-faq dd{margin:0;font-size:15px;line-height:1.9;color:var(--muted)}.lab-author{margin-top:clamp(40px,5vw,56px);padding:clamp(22px,3vw,28px);border:1px solid var(--lab-edge);background:var(--paper)}.lab-author-head{font-family:var(--font-en);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}.lab-author-name{font-family:var(--font-mincho);font-size:17px;font-weight:600;margin:0}.lab-author-name span{font-family:var(--font-en);font-size:12px;color:var(--muted);margin-left:10px;letter-spacing:.04em}.lab-author-note{font-size:14px;line-height:1.8;color:var(--muted);margin:8px 0 12px}.lab-text-link,.lab-author a{font-size:13.5px;color:var(--teal);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .3s var(--ease)}.lab-text-link:hover,.lab-author a:hover{border-bottom-color:var(--teal)}.lab-references{margin-top:clamp(40px,5vw,56px)}.lab-references h2{font-family:var(--font-mincho);font-size:clamp(20px,2.4vw,26px);font-weight:600;margin:0 0 8px;padding-top:22px;border-top:1px solid var(--lab-edge)}.lab-references-lead{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 14px}.lab-references ol{margin:0;padding-left:1.5em;counter-reset:ref;list-style:none}.lab-references li{position:relative;padding:12px 0;border-bottom:1px solid var(--lab-edge);font-size:14px;line-height:1.85}.lab-references li:before{counter-increment:ref;content:"[" counter(ref) "]";position:absolute;left:-1.6em;font-family:var(--font-mono);font-size:12px;color:var(--muted)}.lab-references .lab-ref-cite,.lab-references a{color:var(--charcoal);text-decoration:none}.lab-references a{color:var(--teal);border-bottom:1px solid transparent;transition:border-color .3s var(--ease)}.lab-references a:hover{border-bottom-color:var(--teal)}.lab-ref-note{display:block;margin-top:4px;font-size:13px;color:var(--muted)}.lab-article-related{margin-top:clamp(36px,5vw,48px);padding-top:24px;border-top:1px solid var(--lab-edge)}.lab-related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.lab-related-links a{font-size:14px;color:var(--charcoal);text-decoration:none;border:1px solid var(--lab-edge);padding:8px 16px;transition:border-color .3s var(--ease),color .3s var(--ease)}.lab-related-links a:hover{border-color:var(--forest);color:var(--forest)}@media(max-width:720px){.lab-header{flex-direction:column;align-items:flex-start;gap:10px}.lab-section-head{flex-direction:column;align-items:flex-start}.lab-footer-grid{grid-template-columns:1fr;gap:28px}}