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led-3s1l{0%{opacity:1}6.667%{opacity:0}13.333%{opacity:1}20%{opacity:0}26.667%{opacity:1}33.333%{opacity:0}40%{opacity:1}60%,to{opacity:0}}.led-blue{--led:#3d8bff}.led-green{--led:#2fcf68}.led-units-stack{grid-template-columns:minmax(0,1fr)}.led-t12{flex-grow:12}.led-t16{flex-grow:16}.led-t32{flex-grow:32}.led-t36{flex-grow:36}.led-t44{flex-grow:44}.led-1in3s,.led-1in4s,.led-1in1s{--led-cycle:12s}.led-1in3s .led-lamp:after{animation-name:led-1in3s;animation-duration:3s}.led-1in4s .led-lamp:after{animation-name:led-1in4s;animation-duration:4s}.led-1in1s .led-lamp:after{animation-name:led-1in1s;animation-duration:1s}@keyframes led-1in3s{0%{opacity:1}8.333%,to{opacity:0}}@keyframes led-1in4s{0%{opacity:1}6.25%,to{opacity:0}}@keyframes led-1in1s{0%{opacity:1}25%,to{opacity:0}}@media (prefers-reduced-motion:reduce){.led-lamp:after{opacity:0;animation:none!important}.led-trace:after{display:none}}.drawing-figure{--dw-ink:var(--ink)}:root[data-theme=dark] .drawing-figure{--dw-ink:var(--ink-2)}.drawing{width:100%;max-width:26rem;height:auto;margin:0 auto 18px;display:block;overflow:visible}.dw-part{fill:var(--surface);stroke:var(--dw-ink);stroke-width:1.6px;stroke-linejoin:miter}.dw-detail{fill:none;stroke:var(--dw-ink);stroke-width:1px}.dw-hidden{fill:none;stroke:var(--dw-ink);stroke-width:1px;stroke-dasharray:4 3}.dw-level{fill:none;stroke:var(--dw-ink);stroke-width:1.3px;stroke-dasharray:14 4}.dw-ground{fill:none;stroke:var(--dw-ink);stroke-width:2px}.dw-wall{fill:none;stroke:var(--dw-ink);stroke-width:1.6px}.dw-tube{fill:none;stroke:var(--dw-ink);stroke-width:2.2px}.dw-pipe{fill:none;stroke:var(--dw-ink);stroke-width:6px}.dw-pipe-bore{fill:none;stroke:var(--surface);stroke-width:3px}.dw-hatch{fill:none;stroke:var(--ink-3);stroke-width:.9px}.dw-solid,.dw-dot,.dw-tag{fill:var(--dw-ink);stroke:none}.dw-leader{fill:none;stroke:var(--dw-ink);stroke-width:1px}.dw-num{fill:var(--surface);font-family:var(--font-mono);text-anchor:middle;dominant-baseline:central;font-size:15px;font-weight:700}.drawing-figure .drawing-key{color:var(--ink-2);grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr));gap:0 26px;margin:0;font-size:.86rem;line-height:1.42;display:grid}.drawing-figure .drawing-key>li{border:0;border-top:1px solid var(--line);margin:0;padding:9px 0 11px 34px}.drawing-figure .drawing-key>li:before{background:var(--dw-ink);width:23px;height:23px;color:var(--surface);font-size:.8rem;top:9px}.drawing-name{color:var(--ink);margin-bottom:1px;font-size:.95rem;display:block}.drawing-page{white-space:nowrap}@media print{.dw-tag,.drawing-key>li:before{-webkit-print-color-adjust:exact;print-color-adjust:exact}}.sources{color:var(--ink-2);max-width:var(--measure);margin-top:2em;font-size:.92rem}.sources details{border:0;border-top:1.5px solid var(--ink);background:0 0;padding:0}.sources summary{align-items:baseline;gap:12px;padding:10px 0;list-style-position:inside;display:flex}.sources summary h2{margin:0;font-size:1.25rem;display:inline}.sources-count{color:var(--ink-3);font-family:var(--font-ui);font-weight:400}.sources ol{counter-reset:none;padding-left:1.3em;list-style:decimal}.sources ol>li{background:0 0;border:0;margin:0 0 .5em;padding:0}.sources ol>li:before{content:none}.index-list{max-width:var(--measure);gap:12px;margin:0 0 2em;padding:0;list-style:none;display:grid}.index-list li{margin:0}.index-list a{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--ink);grid-template-columns:minmax(0,1fr) auto;gap:4px 16px;padding:16px 18px;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:grid}.index-list a:hover{border-color:color-mix(in srgb, var(--primary) 45%, var(--line));box-shadow:var(--shadow-lift);text-decoration:none}.index-list .t{font-family:var(--font-display);color:var(--ink);font-size:1.2rem;font-weight:700}.index-list .n{font-family:var(--font-mono);color:var(--ink-3);align-self:center;font-size:.85rem}.index-list .d{color:var(--ink-2);grid-column:1/-1;font-size:.97rem}details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px}details>summary{cursor:pointer;font-weight:600}.section-more{border:0;border-top:1px solid var(--line-strong);background:0 0;margin:1.6em 0;padding:0}.section-more>summary{padding:10px 0;list-style-position:inside}.section-more>summary h2{border:0;margin:0;font-size:1.3rem;display:inline}.jump{font-family:var(--font-ui);white-space:nowrap;font-size:.92rem;font-weight:600}details[open]>summary{margin-bottom:.6em}.site-footer{border-top:1px solid var(--line);background:var(--surface);color:var(--ink-3);padding:36px 0 44px;font-size:.9rem}.footer-grid{grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,1fr));gap:28px;display:grid}@media (width<=760px){.footer-grid{grid-template-columns:minmax(0,1fr);gap:18px}}.footer-title{color:var(--ink);letter-spacing:.04em;text-transform:uppercase;margin:0 0 8px;font-size:.85rem;font-weight:700}.site-footer ul{margin:0;padding:0;list-style:none}.site-footer li{margin:0 0 6px}.site-footer a{color:var(--ink-2)}.site-footer a:hover{color:var(--primary)}.site-footer p{max-width:34rem;margin:0 0 .6em;line-height:1.55}.footer-brand{align-items:center;gap:10px;margin-bottom:10px;display:inline-flex}@media (width<=640px){body{font-size:1rem}.container{padding:0 16px}.site-nav{order:3;width:100%;margin-left:0;padding-bottom:8px}.site-nav a:first-child{padding-left:0}.site-nav{font-size:.92rem}.site-nav a{padding:8px}.theme-toggle{margin-left:auto}.site-header{position:static}.prose ol>li,.body-wide ol>li{padding-left:40px}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}@media print{.site-header,.site-footer,.theme-toggle,.rail,.no-print{display:none!important}body{color:#000;background:#fff;font-size:11pt}.readout{color:#000;box-shadow:none;background:#fff;border:2px solid #000}.readout-code{color:#000;text-shadow:none}.lamp,.seg-ghost,.cite:before{display:none}.cite-text{clip-path:none;white-space:normal;width:auto;height:auto;font-size:.8em;position:static;overflow:visible}}