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h3{font-size:28px;line-height:1.25}.resourceMeta{display:flex;gap:18px;flex-wrap:wrap;font:11px/1.5 var(--mono);color:var(--cyan);margin:28px 0}.procedureSteps{list-style:none;counter-reset:step;padding:0;margin:40px 0;max-width:1050px}.procedureSteps li{counter-increment:step;position:relative;border-top:1px solid var(--line);padding:30px 0 26px 72px;scroll-margin-top:120px}.procedureSteps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:34px;color:var(--cyan);font:15px var(--mono)}.procedureSteps h3{font-size:27px;line-height:1.2}.procedureSteps p{margin-bottom:12px}.holdNote{font-size:12px;color:#dfba8e}.modelShell{margin-top:38px;border:1px solid #81e3df60;padding:22px;min-width:0;background:#0b2030}.modelTopline{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font:10px/1.5 var(--mono);color:var(--cyan);margin-bottom:12px}model-viewer{display:block;width:100%;height:550px;background:radial-gradient(ellipse at 50% 70%,#244655,#0b1d2d 75%);--progress-bar-color:#81e3df;--poster-color:transparent}model-viewer:focus-visible{outline:3px solid var(--amber)}.modelStatus{font:11px/1.5 var(--mono);margin:16px 0}.modelControls{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:20px 0}.modelControls button{background:transparent;border:1px solid #ffffff50;padding:11px 14px;color:#edf6f2;font-size:12px;min-height:44px}.modelControls button[aria-pressed=true]{background:var(--cyan);color:#10212b}.modelControls .btn{font-size:12px;padding:10px 14px;min-height:44px}.modelFields{display:grid;grid-template-columns:1fr 1.5fr 1fr 1fr;gap:16px;margin:25px 0}.modelFields label{display:flex;flex-direction:column;gap:9px;font-size:11px;color:var(--cyan);min-width:0}.modelFields input,.modelFields select{width:100%;min-width:0;background:#102c3c;color:#eef7f4;border:1px solid #ffffff50;border-radius:0;padding:11px;font-size:12px;min-height:44px}.modelFields input[type=range]{padding:0;accent-color:var(--cyan)}.modelFields output{display:inline}.partHotspot{background:#e9f4ee;color:#10212b;border:1px solid #10212b80;padding:5px 8px;min-height:30px;font:10px var(--mono);white-space:nowrap}.partHotspot.selected{background:var(--cyan)}.partHotspot[hidden]{display:none!important}#partReadout{border-left:2px solid var(--cyan);padding:8px 18px;font-size:14px}.practiceShell{border:1px solid #81e3df55;background:#102330;padding:35px;margin:35px 0}.practiceShell .actions{margin:0 0 25px}#practicePanel{margin-top:38px}#practicePanel h3{font-size:32px;line-height:1.2}.choice{display:block;text-align:left;width:100%;padding:18px 20px;margin:12px 0;border:1px solid #81e3df70;background:#102c3b;color:#eff9f4}.choice:hover{background:#184758}.holdBanner{padding:20px;border-left:3px solid var(--amber);color:#ffd5a4;background:#382a24}.feedback{color:var(--cyan)}#attemptResult{border-top:1px solid var(--line);padding-top:32px;margin-top:32px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px;background:#07141d;padding:18px}details{margin:20px 0}summary{cursor:pointer}.showSequence li{padding:14px 0;border-bottom:1px solid #10212b30}.showSequence{padding-left:22px}.light .showSequence{color:#24414b}.section h2+ p{margin-top:25px;max-width:950px}.section .actions+p{margin-top:25px}.modelFields select option{background:#102c3c}.footerLinks a{line-height:1.55}.catalogGrid:has(.catalogCard:only-child){grid-template-columns:minmax(0,650px)}
@media(min-width:761px) and (max-width:1100px){.header{padding-left:30px;padding-right:30px}.nav{gap:14px;font-size:11px}.approvedLogo{max-width:210px}.catalogHero>.wrap{gap:30px}.catalogGrid{grid-template-columns:repeat(2,minmax(0,1fr))}.modelFields{grid-template-columns:1fr 1fr}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}}