/* Start:/3d-study/assets/study.css?178985062716542*/
.study-app{--study-ink:#18343d;--study-muted:#526970;--study-paper:#f5f6f2;--study-line:#d6dfdd;--study-yellow:#ffce51;--study-green:#386e61;color:var(--study-ink);background:var(--study-paper);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.65;padding:150px 0 50px;overflow-wrap:break-word}
/* The shared theme decorates every select. Keep native accessible selects in the textbook. */
.study-app select{display:block!important}.study-app .nice-select{display:none!important}
/* The global preloader otherwise covers server-rendered lessons when JavaScript is off. */
body:has(.study-app)>.preloader{display:none!important}
/* The full shared menu overlaps its logo on tablet widths. */
@media screen and (min-width:992px) and (max-width:1199px){body:has(.study-app) #header{display:none!important}body:has(.study-app) .mobile-header{display:block!important}}
@media print{.study-app .study-quiz-fallback[hidden]{display:block!important}}
.study-app *{box-sizing:border-box}.study-app [hidden]{display:none!important}.study-app a{color:var(--study-ink);text-decoration:underline;text-underline-offset:3px}.study-app a:hover{color:#285e50}.study-app :focus-visible{outline:3px solid #236d99;outline-offset:4px}.study-app h1,.study-app h2,.study-app h3{font-family:Arial,Helvetica,sans-serif;color:var(--study-ink);font-weight:700;letter-spacing:-.025em;line-height:1.18;margin:0 0 20px}.study-app h1{font-size:clamp(34px,4.4vw,62px)}.study-app h2{font-size:clamp(25px,2.7vw,36px)}.study-app h3{font-size:22px}.study-app p{color:inherit;font-size:inherit;line-height:inherit;margin:0 0 18px}.study-app ul,.study-app ol{padding-left:25px;margin:0 0 20px}.study-app li{margin:0 0 9px}.study-app ul{list-style:disc}.study-app ol{list-style:decimal}.study-app label{font-weight:600;font-size:14px;margin:0;display:block}.study-app input,.study-app select,.study-app button{font-family:inherit;font-size:16px}.study-app input[type=search],.study-app input[type=number],.study-app select{width:100%;height:auto;min-height:46px;background:white;border:1px solid #8da4a6;border-radius:8px;padding:10px 12px;color:var(--study-ink);box-shadow:none;line-height:1.4}.study-app select{appearance:auto}.study-app button{cursor:pointer}.study-app button:disabled{cursor:default;opacity:.6}.study-app summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:disclosure-closed}.study-app details[open]>summary{list-style:disclosure-open}.study-app details>summary::-webkit-details-marker{display:inline-block}.study-app [id]{scroll-margin-top:140px}.study-shell{width:min(1200px,calc(100% - 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@media(max-width:1000px){.study-app{padding-top:115px}.study-shell{width:calc(100% - 40px)}.study-hero{grid-template-columns:minmax(0,1fr) 220px;gap:30px}.study-hero-aside{padding:20px}.study-reader{grid-template-columns:minmax(0,1fr);gap:20px}.study-sidebar{position:static;max-height:none;background:#e7eeea;border-radius:10px;padding:0 18px}.study-toc{padding:0}.study-toc>summary{margin:0}.study-toc nav{padding-top:15px}.study-route-switch{padding-bottom:10px}.study-lesson{max-width:100%;padding:32px}.study-routes{grid-template-columns:1fr 1fr}.study-app [id]{scroll-margin-top:100px}}
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@media(prefers-reduced-motion:reduce){.study-app *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media print{body>*{display:none!important}body>.study-app,body>main.study-app{display:block!important}.study-app{padding:0!important;background:white!important;font-size:11pt!important;color:#000!important}.study-shell{width:100%!important}.study-reader{display:block}.study-sidebar,.study-breadcrumb,.study-skip,.study-actions,.study-search,.study-bottom,.study-pagination,.study-feedback,.study-quiz form,.study-completion,.study-resume,.study-legacy,.study-calculator form button{display:none!important}.study-lesson{padding:0;border:0;max-width:none}.study-lesson h1{font-size:25pt}.study-prose h2,.study-lesson h2{font-size:17pt;break-after:avoid}.study-prose{font-size:11pt;line-height:1.5}.study-app a{color:#000;text-decoration:underline}.study-table{overflow:visible;border:0}.study-table table{font-size:9pt;min-width:0}.study-app th,.study-app td{min-width:0;padding:6px}.study-app tr,.study-app figure{break-inside:avoid}.study-downloads,.study-quiz,.study-calculator{padding:14px;border:1px solid #bbb}.study-quiz-fallback{display:block!important}.study-app input{border:0!important}.study-hero{display:block}.study-hero-aside{display:none}.study-routes{grid-template-columns:1fr 1fr}.study-chapters{display:block}.study-chapter{break-inside:avoid}.study-tools{display:none}}

.study-app .study-edition-note{margin:24px 0 0;max-width:850px;font-size:16px;line-height:1.6;color:#435e66}.study-app .study-edition-note a{color:#173b46;text-decoration:underline;text-underline-offset:3px}

/* End */
/* /3d-study/assets/study.css?178985062716542 */