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clamp(16px,2vw,24px);font-size:clamp(15px,1.3vw,17px);font-family:var(--font-mono);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted);font-weight:var(--weight-medium)}.kb-crumb{display:inline-block;margin-bottom:12px;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-muted);text-decoration:none}.kb-crumb:hover{color:var(--color-crimson)}.kb-hero-in{padding-top:clamp(68px,7.5vw,120px);padding-bottom:clamp(44px,5vw,72px);text-align:center}.kb-search{position:relative;max-width:580px;margin:clamp(22px,2.8vw,34px) auto 0}.kb-search svg{position:absolute;left:20px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-muted);pointer-events:none}.kb-search input{width:100%;height:58px;box-sizing:border-box;padding:0 52px 0 50px;border:1px solid var(--border-default);border-radius:999px;background:var(--surface-card);font-size:var(--text-md);color:var(--text-primary);box-shadow:0 18px 40px -32px #1a161473}.kb-search input:focus{outline:none;border-color:var(--color-crimson);box-shadow:0 0 0 3px color-mix(in oklch,var(--color-crimson) 16%,transparent)}.kb-kbd{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:22px;height:22px;display:grid;place-items:center;border:1px solid var(--border-default);border-radius:6px;font-family:var(--font-mono);font-size:var(--text-2xs);color:var(--text-muted);background:var(--surface-2)}.kb-results{list-style:none;max-width:580px;margin:10px auto 0;padding:6px;text-align:left;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--surface-card);box-shadow:0 34px 70px -44px #1a161473}.kb-results li a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 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ease}.kb-cat-card:before{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--color-crimson);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}.kb-cat-card:hover{border-color:var(--border-default);box-shadow:0 12px 26px -22px #1a16142e;transform:translateY(-3px)}.kb-cat-card:hover:before{transform:scaleX(1)}.kb-cat-ix{font-family:var(--font-mono);font-size:var(--text-2xs);letter-spacing:var(--tracking-wider);color:var(--text-faint, #b5b0ab)}.kb-cat-title{margin:0;font-size:clamp(17px,1.5vw,21px);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);color:var(--text-primary)}.kb-cat-desc{margin:0;font-size:var(--text-sm);line-height:1.5;color:var(--text-muted);flex:1}.kb-cat-foot{display:flex;align-items:center;justify-content:space-between;margin-top:6px}.kb-cat-count{font-family:var(--font-mono);font-size:var(--text-2xs);letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--color-crimson)}.kb-cat-arr{width:16px;height:16px;color:var(--text-muted);transition:transform .16s ease,color .16s ease}.kb-cat-card:hover .kb-cat-arr{transform:translate(3px);color:var(--color-crimson)}.kb-popular{padding-block:clamp(44px,5.5vw,80px)}.kb-pop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,330px),1fr));gap:clamp(12px,1.4vw,18px)}.kb-pop-row{display:flex;flex-direction:column;gap:9px;padding:18px 20px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--surface-card);text-decoration:none;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.kb-pop-row:hover{border-color:var(--border-default);box-shadow:0 12px 26px -22px #1a16142e;transform:translateY(-2px)}.kb-pop-t{font-size:clamp(15px,1.3vw,17px);font-weight:var(--weight-medium);color:var(--text-primary);line-height:1.38}.kb-pop-row:hover .kb-pop-t{color:var(--color-crimson)}.kb-pop-c{font-family:var(--font-mono);font-size:var(--text-2xs);text-transform:uppercase;letter-spacing:var(--tracking-wide);color:var(--text-muted)}.kb-doc{padding-top:clamp(60px,6.5vw,104px);padding-bottom:clamp(72px,9vw,128px)}.kb-doc-grid{display:grid;grid-template-columns:232px minmax(0,1fr);gap:clamp(36px,4vw,64px);align-items:start}.kb-doc-grid-3{grid-template-columns:232px minmax(0,1fr) 230px}@media(max-width:1180px){.kb-doc-grid-3{grid-template-columns:232px minmax(0,1fr)}.kb-doc-grid-3 .kb-toc{display:none}}@media(max-width:940px){.kb-doc-grid,.kb-doc-grid-3{grid-template-columns:minmax(0,1fr)}}.kb-nav-col{position:sticky;top:104px;max-height:calc(100vh - 128px);overflow-y:auto}.kb-nav-group{margin-bottom:6px;padding:9px 12px;border:1px solid transparent;border-radius:var(--radius-md)}.kb-nav-group.is-open{background:var(--surface-card);border-color:var(--border-subtle);padding-bottom:14px;box-shadow:0 10px 24px -22px #1a161429}.kb-nav-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.kb-nav-cat{display:block;font-family:var(--font-mono);font-size:14px;line-height:1.45;letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-body);text-decoration:none;transition:color .14s ease}.kb-nav-cat.is-current,.kb-nav-cat:hover{color:var(--color-crimson)}[data-theme=dark] .kb-nav-cat.is-current{color:var(--color-gold)}.kb-nav-tgl{flex:none;width:26px;height:26px;display:grid;place-items:center;padding:0;border:0;border-radius:6px;background:transparent;color:var(--text-muted);cursor:pointer;transition:color .15s ease,background .15s ease}.kb-nav-tgl:hover{color:var(--color-crimson);background:var(--surface-2)}.kb-nav-tgl svg{width:14px;height:14px;transform:rotate(-90deg);transition:transform .18s ease}.kb-nav-group.is-open .kb-nav-tgl svg{transform:rotate(0)}@media(prefers-reduced-motion:reduce){.kb-nav-tgl svg{transition:none}}.kb-nav-arts{list-style:none;margin:10px 0 0;padding:0 0 0 2px;display:none;flex-direction:column;gap:2px}.kb-nav-group.is-open .kb-nav-arts{display:flex}.kb-nav-art{position:relative;display:block;padding:8px 0 8px 14px;font-size:15px;line-height:1.5;color:var(--text-muted);text-decoration:none;transition:color .14s ease}.kb-nav-art:hover{color:var(--text-primary)}.kb-nav-art.is-active{color:var(--color-crimson);font-weight:var(--weight-medium)}.kb-nav-art.is-active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:999px;background:var(--color-crimson)}[data-theme=dark] .kb-nav-art.is-active{color:var(--color-gold)}[data-theme=dark] .kb-nav-art.is-active:before{background:var(--color-gold)}.kb-doc-main{min-width:0}.kb-crumbs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:var(--tracking-wide);text-transform:uppercase}.kb-crumbs a{color:var(--text-muted);text-decoration:none}.kb-crumbs a:hover{color:var(--color-crimson)}.kb-crumbs span{color:var(--text-faint, #b5b0ab)}.kb-art-list{list-style:none;margin:clamp(16px,2vw,26px) 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,1.4vw,18px)}.kb-art-list>li:only-child{grid-column:1 / -1}@media(max-width:860px){.kb-art-list{grid-template-columns:minmax(0,1fr)}}.kb-art-row{position:relative;display:flex;flex-direction:column;gap:8px;padding:clamp(18px,1.9vw,24px) clamp(20px,2vw,26px);padding-right:52px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--surface-card);text-decoration:none;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}.kb-art-row:hover{border-color:var(--border-default);box-shadow:0 12px 26px -22px #1a16142e;transform:translateY(-2px)}.kb-art-row:hover .kb-art-t{color:var(--color-crimson)}.kb-art-row:hover .kb-art-arr{transform:translate(3px);color:var(--color-crimson)}.kb-art-t{font-size:clamp(16px,1.5vw,19px);line-height:1.3;font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);color:var(--text-primary);transition:color .15s ease}.kb-art-x{font-size:15px;line-height:1.5;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.kb-art-arr{position:absolute;top:clamp(20px,2vw,26px);right:20px;width:16px;height:16px;color:var(--text-muted);transition:transform .15s ease,color .15s ease}.kb-art-h1{margin:0;font-size:clamp(26px,3vw,40px);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);line-height:1.12;color:var(--text-primary);text-wrap:balance}.kb-art-meta{margin:10px 0 0;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:var(--tracking-wide);color:var(--text-muted)}.kb-prose{max-width:72ch;margin-top:clamp(22px,2.6vw,34px);overflow-wrap:break-word}.kb-prose h2{margin:clamp(32px,3.6vw,48px) 0 12px;font-size:clamp(21px,2.2vw,28px);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);color:var(--text-primary);scroll-margin-top:100px}.kb-prose h2:first-child{margin-top:0}.kb-prose h3{margin:26px 0 9px;font-size:clamp(17px,1.7vw,21px);font-weight:var(--weight-semibold);color:var(--text-primary)}.kb-prose p{margin:0 0 17px;font-size:clamp(16px,1.25vw,18px);line-height:1.74;color:var(--text-body)}.kb-prose ul,.kb-prose ol{margin:0 0 18px;padding-left:22px}.kb-prose li{margin-bottom:8px;font-size:clamp(16px,1.25vw,18px);line-height:1.62;color:var(--text-body)}.kb-prose li::marker{color:var(--color-crimson)}.kb-prose img{width:100%;height:auto;border-radius:var(--radius-md);margin:22px 0;border:1px solid var(--border-subtle);box-shadow:0 18px 40px -34px #1a161466}.kb-prose a{color:var(--color-crimson);text-decoration:underline;text-underline-offset:2px}.kb-prose strong{color:var(--text-primary);font-weight:var(--weight-semibold)}.kb-prose blockquote{margin:22px 0;padding:14px 18px;border-left:3px solid var(--color-crimson);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:color-mix(in oklch,var(--color-crimson) 5%,transparent);font-size:clamp(15px,1.4vw,17px);line-height:1.6;color:var(--text-body)}.kb-prose blockquote p:last-child{margin-bottom:0}.kb-prose .pt-video{position:relative;aspect-ratio:16 / 9;margin:22px 0;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-subtle);background:#000}.kb-prose .pt-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.kb-pn{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:clamp(34px,4vw,52px)}@media(max-width:620px){.kb-pn{grid-template-columns:minmax(0,1fr)}}.kb-pn-link{display:flex;flex-direction:column;gap:6px;padding:16px 20px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--surface-card);text-decoration:none;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.kb-pn-link:hover{border-color:var(--border-default);box-shadow:0 12px 26px -22px #1a16142e;transform:translateY(-2px)}.kb-pn-next{text-align:right;align-items:flex-end}.kb-pn-dir{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:var(--text-2xs);letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--text-muted)}.kb-pn-dir svg{width:13px;height:13px}.kb-pn-t{font-size:clamp(15px,1.4vw,17px);font-weight:var(--weight-medium);line-height:1.3;color:var(--text-primary)}.kb-pn-link:hover .kb-pn-t{color:var(--color-crimson)}[data-theme=dark] .kb-pn-link:hover .kb-pn-t{color:var(--color-gold)}.kb-helpful{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:clamp(36px,4vw,56px);padding:18px 22px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--surface-2);font-size:var(--text-sm);color:var(--text-body)}.kb-helpful a{color:var(--color-crimson);font-weight:var(--weight-medium);text-underline-offset:3px}.kb-related{margin-top:clamp(40px,4.5vw,64px);padding-top:clamp(28px,3vw,40px);border-top:1px solid var(--border-subtle)}.kb-rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:620px){.kb-rel-grid{grid-template-columns:minmax(0,1fr)}}.kb-rel-card{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--surface-card);text-decoration:none;transition:border-color .15s ease,transform .15s ease}.kb-rel-card:hover{border-color:var(--border-default);transform:translateY(-2px)}.kb-rel-card:hover .kb-rel-t{color:var(--color-crimson)}.kb-rel-card:hover .kb-rel-arr{transform:translate(3px);color:var(--color-crimson)}.kb-rel-t{font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-primary);line-height:1.35}.kb-rel-arr{flex:none;width:16px;height:16px;color:var(--text-muted);transition:transform .15s ease,color .15s ease}.kb-toc{position:sticky;top:100px}.kb-toc-card{border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:18px 18px 14px;background:color-mix(in oklch,var(--surface-card) 55%,transparent)}.kb-toc-eyebrow{display:block;margin-bottom:10px;font-family:var(--font-mono);font-size:var(--text-2xs);letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--text-muted)}.kb-toc-list{display:flex;flex-direction:column}.kb-toc-link{position:relative;padding:8px 0 8px 13px;font-size:var(--text-sm);line-height:1.4;color:var(--text-muted);text-decoration:none;border-bottom:1px solid color-mix(in oklch,var(--border-subtle) 55%,transparent);transition:color .15s ease}.kb-toc-link:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;background:var(--color-crimson);opacity:0;transform:scaleY(.35);transition:opacity .18s ease,transform .18s ease}.kb-toc-link:last-child{border-bottom:0}.kb-toc-link:hover{color:var(--color-crimson)}.kb-toc-link.is-active{color:var(--text-primary);font-weight:var(--weight-medium)}.kb-toc-link.is-active:before{opacity:1;transform:scaleY(1)}@media(max-width:940px){.kb-nav-col{position:static;max-height:none;overflow:hidden;min-width:0;margin:0 0 12px}.kb-nav{display:flex;flex-wrap:wrap;gap:7px}.kb-nav-group,.kb-nav-group.is-open{margin:0;flex:none;min-width:0;max-width:100%;padding:0;background:none;border:0;box-shadow:none}.kb-nav-head{display:contents}.kb-nav-tgl,.kb-nav-arts,.kb-nav-group.is-open .kb-nav-arts{display:none}.kb-nav-cat{margin:0;padding:7px 12px;border:1px solid var(--border-subtle);border-radius:999px;background:var(--surface-card);font-size:11px;letter-spacing:.05em;line-height:1.35;white-space:normal;color:var(--text-body);display:block}.kb-nav-cat.is-current{border-color:var(--color-crimson);color:var(--color-crimson)}[data-theme=dark] .kb-nav-cat.is-current{border-color:var(--color-gold);color:var(--color-gold)}}