._page_nhqrh_1{--ink:#091943;--blue:#0064ed;--line:#dce9f7;--muted:#4b5e7c;--pale:#eff8ff;max-width:1600px;color:var(--ink);background:#fff;grid-template-columns:230px minmax(0,1fr);margin:0 auto;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.55;display:grid}._page_nhqrh_1 *{box-sizing:border-box}._page_nhqrh_1 :is(section,details){scroll-margin-top:100px}._page_nhqrh_1 :is(h1,h2,h3,p){margin:0}._page_nhqrh_1 h2{letter-spacing:-.025em;color:#0b194b;font-size:1.25rem;font-weight:750;line-height:1.3}._page_nhqrh_1 h3{color:#0b194b;font-size:.95rem;line-height:1.35}._page_nhqrh_1 p{color:var(--muted)}._page_nhqrh_1 a{color:var(--blue);text-decoration:none}._page_nhqrh_1 a:hover{text-decoration:underline}._page_nhqrh_1 :is(button,select,input){font:inherit}._page_nhqrh_1 :is(a,button,input,summary,select):focus-visible{outline-offset:3px;outline:3px solid #d98400}._page_nhqrh_1 button,._page_nhqrh_1 summary{cursor:pointer}._page_nhqrh_1 svg{flex-shrink:0;width:24px;height:24px}._page_nhqrh_1 :is(ul,ol){margin:.6rem 0;padding-left:1.25rem}._page_nhqrh_1 li+li{margin-top:.3rem}._sidebar_nhqrh_3{border-right:1px solid var(--line);background:linear-gradient(90deg,#f7fbff,#fff);align-self:stretch}._chapterHeading_nhqrh_3{color:#fff;background:linear-gradient(135deg,#072039,#113b5a);padding:23px 20px}._chapterHeading_nhqrh_3>span{color:#45bfff;font-size:1.1rem;font-weight:700;display:block}._chapterHeading_nhqrh_3>strong{margin:6px 0 20px;font-size:.95rem;display:block}._chapterHeading_nhqrh_3 p{color:#e6effb;font-size:.8rem}._chapterHeading_nhqrh_3 progress{accent-color:#3db7ff;width:100%;height:6px;margin-top:6px;display:block}._chapterMenu_nhqrh_3>summary{border-bottom:1px solid var(--line);padding:14px 20px;font-size:.85rem;font-weight:700;list-style:none}._chapterMenu_nhqrh_3>summary span{color:var(--muted);float:right;font-weight:400}._chapterMenu_nhqrh_3 nav{padding:8px 0}._chapterMenu_nhqrh_3 nav a{color:var(--ink);border-left:3px solid #0000;gap:8px;padding:11px 18px;font-size:.875rem;line-height:1.45;display:flex}._chapterMenu_nhqrh_3 nav a[aria-current]{border-left-color:var(--blue);background:#e0f2ff;font-weight:700}._chapterMenu_nhqrh_3 nav a span{color:var(--blue)}._sideResources_nhqrh_3{border-top:1px solid var(--line);gap:6px;margin:8px 16px;padding:12px 0;display:grid}._sideResources_nhqrh_3 a{padding:8px 4px;font-size:.875rem}._sideResources_nhqrh_3 ._outlineButton_nhqrh_3{text-align:center;margin-top:12px;padding:10px}._article_nhqrh_4{min-width:0}._hero_nhqrh_4{isolation:isolate;background:#0c2032;min-height:328px;position:relative;overflow:hidden}._heroImage_nhqrh_4{object-fit:cover;object-position:center;z-index:-2;width:100%;height:100%;position:absolute;inset:0}._hero_nhqrh_4:after{content:"";z-index:-1;background:linear-gradient(90deg,#06182ac2 0%,#06182a7a 53%,#0000 76%);position:absolute;inset:0}._heroContent_nhqrh_4{color:#fff;max-width:71%;padding:22px 32px 26px}._breadcrumb_nhqrh_4{color:#dbeaff;flex-wrap:wrap;gap:7px;margin-bottom:12px;font-size:.75rem;display:flex}._breadcrumb_nhqrh_4 a{color:#e5f1ff}._hero_nhqrh_4 h1{letter-spacing:-.025em;color:#fff;margin:0 0 12px;font-size:clamp(1.85rem,3.2vw,3rem);font-weight:750;line-height:1.08}._hero_nhqrh_4 h1 span{color:#49baf4}._hero_nhqrh_4 h2{color:#fff;letter-spacing:0;margin-bottom:10px;font-size:1.06rem;line-height:1.4}._hero_nhqrh_4 p{color:#f0f4fa;max-width:640px;font-size:.95rem;line-height:1.55}._badges_nhqrh_4{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}._badges_nhqrh_4 a{color:#102653;background:#fff;border-radius:20px;padding:4px 13px;font-size:.8rem;box-shadow:0 1px 5px #001c4030}._badges_nhqrh_4 span{color:var(--blue);padding-left:4px}._toolbar_nhqrh_5{border-bottom:1px solid var(--line);background:linear-gradient(#fff,#f8fcff);grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;padding:14px 24px;display:grid}._toolbar_nhqrh_5 a{text-align:center;border-right:1px solid var(--line);color:#315581;flex-direction:column;justify-content:center;align-items:center;gap:5px;min-height:64px;padding:5px 7px;font-size:.8rem;line-height:1.25;display:flex}._toolbar_nhqrh_5 a:last-child{border:0}._toolbar_nhqrh_5 svg{color:var(--blue);width:26px;height:26px}._toolbar_nhqrh_5 ._primaryActivity_nhqrh_5{background:var(--blue);color:#fff;border:0;border-radius:5px}._primaryActivity_nhqrh_5 svg{color:#fff}._toolbar_nhqrh_5 a:last-child svg{color:#d88b00}._content_nhqrh_6{padding:18px 28px 28px}._readingGrid_nhqrh_6{grid-template-columns:minmax(0,1.85fr) minmax(260px,1fr);gap:20px;display:grid}._section_nhqrh_6{margin-bottom:20px}._section_nhqrh_6>h2{margin-bottom:8px}._section_nhqrh_6>p{margin-bottom:10px}._stateGrid_nhqrh_6{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}._stateCard_nhqrh_6{border:1px solid var(--line);background:linear-gradient(#fbfdff,#f8fcff);border-radius:5px;padding:12px 10px}._stateCard_nhqrh_6 h3{text-align:center}._page_nhqrh_1 ._particles_nhqrh_6{width:100%;height:auto;max-height:140px;margin:6px auto;display:block}._stateCard_nhqrh_6 ul{color:var(--muted);margin:0;padding-left:15px;font-size:.875rem;line-height:1.45}._stateCard_nhqrh_6 li::marker{color:var(--blue)}._measurement_nhqrh_6{border:1px solid var(--line);border-radius:5px;overflow:hidden}._measurement_nhqrh_6>img{aspect-ratio:3.3;object-fit:cover;object-position:center 62%;width:100%;height:auto;display:block}._measurementText_nhqrh_6{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}._measurementText_nhqrh_6>div{border-right:1px solid var(--line);padding:10px}._measurementText_nhqrh_6>div:last-child{border:0}._measurementText_nhqrh_6 p{margin:4px 0;font-size:.875rem;line-height:1.5}._noteDetails_nhqrh_6{border:1px solid var(--line);border-radius:5px;margin-top:10px;padding:10px 12px;font-size:.875rem}._noteDetails_nhqrh_6 summary{color:var(--blue);font-weight:700}._noteDetails_nhqrh_6 p{margin-top:10px}._referenceRail_nhqrh_7{flex-direction:column;gap:16px;min-width:0;display:flex}._formulaCard_nhqrh_7{border:1px solid var(--line);border-radius:5px;overflow:hidden}._cardHeading_nhqrh_7{background:var(--pale);justify-content:space-between;align-items:center;gap:8px;padding:12px;display:flex}._cardHeading_nhqrh_7 h2{font-size:1.15rem}._cardHeading_nhqrh_7 button{color:var(--blue);background:0 0;border:0;align-items:center;gap:5px;padding:5px;font-size:.8rem;display:flex}._cardHeading_nhqrh_7 svg{width:15px;height:15px}._formulae_nhqrh_7{margin:0}._formulae_nhqrh_7>div{border-top:1px solid var(--line);grid-template-columns:68px 1fr;align-items:center;padding:14px 12px;display:grid}._formulae_nhqrh_7 dt{font-size:.875rem}._formulae_nhqrh_7 dd{justify-content:space-between;align-items:center;gap:10px;margin:0;display:flex}._math_nhqrh_7{color:var(--ink);font-family:Georgia,Times New Roman,serif;font-size:1.1rem;font-style:italic}._formulae_nhqrh_7 small{font-size:.8rem}._fraction_nhqrh_7{text-align:center;vertical-align:middle;flex-direction:column;min-width:18px;line-height:1.1;display:inline-flex}._fraction_nhqrh_7>span:first-child{border-bottom:1px solid;padding:0 4px 3px}._fraction_nhqrh_7>span:last-child{padding-top:3px}._definition_nhqrh_7{background:var(--pale);border-radius:4px;margin:0 12px 12px;padding:12px;font-size:.875rem}._definition_nhqrh_7 p+p{margin-top:8px}._copyStatus_nhqrh_7{font-size:.8rem;margin:0 12px!important}._copyStatus_nhqrh_7:empty{display:none}._curriculumCard_nhqrh_7{background:linear-gradient(135deg,#edf8ff,#f8fcff);border-radius:5px;padding:16px}._curriculumCard_nhqrh_7 h2{color:var(--blue);margin-bottom:12px;font-size:1.1rem}._curriculumCard_nhqrh_7>a{color:var(--ink);align-items:center;gap:12px;margin:12px 0;display:flex}._curriculumCard_nhqrh_7 strong{font-size:.875rem;display:block}._curriculumCard_nhqrh_7 small{color:var(--muted);font-size:.8rem;line-height:1.4;display:block}._curriculumArrow_nhqrh_7{color:var(--blue);background:#d9eeff;border-radius:50%;flex-shrink:0;place-items:center;width:26px;height:26px;display:grid}._curriculumCard_nhqrh_7>p{margin-top:14px;font-size:.75rem}._calculator_nhqrh_8{border:1px solid var(--line);background:linear-gradient(105deg,#eef8ff,#e9f6ff);border-radius:6px;grid-template-columns:minmax(210px,1.4fr) minmax(170px,1fr) minmax(130px,.9fr) minmax(180px,1fr);align-items:center;gap:16px;padding:16px;display:grid}._sliders_nhqrh_8{gap:12px;display:grid}._sliderRow_nhqrh_8{grid-template-columns:1fr 78px;align-items:center;gap:4px 12px;display:grid}._sliderRow_nhqrh_8 label{font-size:.875rem;font-weight:700}._sliderRow_nhqrh_8 input[type=number]{width:100%;min-height:34px;color:var(--ink);background:#fff;border:1px solid #b8d5f7;border-radius:4px;padding:4px 7px;font-size:.875rem}._sliderRow_nhqrh_8 input[type=range]{width:100%;accent-color:var(--blue);grid-column:1/-1;min-height:24px;margin:0}._sliderRow_nhqrh_8>span{color:var(--muted);font-size:.75rem}._sliderRow_nhqrh_8>span:last-child{text-align:right}._result_nhqrh_8{border:1px solid var(--line);background:#fff;border-radius:5px;flex-direction:column;justify-content:center;min-height:120px;padding:12px;display:flex}._result_nhqrh_8>strong{font-size:.875rem}._result_nhqrh_8 output{color:#0a2354;text-align:center;overflow-wrap:anywhere;background:#e3f2ff;margin:6px 0 2px;padding:8px 5px;font-size:1.65rem;font-weight:750;display:block}._result_nhqrh_8 output small{font-size:1rem}._result_nhqrh_8>p{text-align:center;font-size:.875rem}._calculatorHint_nhqrh_8{font-size:.875rem!important}._calculatorHint_nhqrh_8 strong{color:#102e61;margin-top:10px;font-weight:500;display:block}._materialSelect_nhqrh_8 label{margin-bottom:7px;font-size:.875rem;font-weight:700;display:block}._materialSelect_nhqrh_8 select{width:100%;color:var(--ink);background:#fff;border:1px solid #b8d5f7;border-radius:4px;min-height:38px;padding:8px;font-size:.875rem}._materialSelect_nhqrh_8 p{margin-top:7px;font-size:.75rem}._applicationGrid_nhqrh_9{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:18px;display:grid}._miniCard_nhqrh_9{border:1px solid var(--line);border-radius:5px;min-width:0;padding:13px}._miniCard_nhqrh_9 h2{letter-spacing:-.025em;align-items:center;gap:7px;margin-bottom:12px;font-size:1rem;display:flex}._miniCard_nhqrh_9 h2 svg{color:var(--blue)}._miniCard_nhqrh_9:first-child h2 svg{color:#008a51}._miniCard_nhqrh_9:nth-child(2) h2 svg{color:#8440e4}._miniCard_nhqrh_9 :is(p,ol){font-size:.875rem;line-height:1.55}._miniCard_nhqrh_9>a{margin-top:12px;font-size:.875rem;display:inline-block}._miniCard_nhqrh_9 details{margin-top:12px;font-size:.875rem}._miniCard_nhqrh_9 summary{color:var(--blue);font-weight:700}._miniCard_nhqrh_9 details p{margin-top:6px}._answer_nhqrh_9{background:#e4f8eb;border-radius:4px;padding:8px 10px;font-size:.875rem;font-weight:700;color:#075136!important;margin-top:12px!important}._practiceList_nhqrh_9 li::marker{color:var(--blue);font-weight:700}._iceberg_nhqrh_9{gap:12px;display:flex}._iceberg_nhqrh_9 img{object-fit:cover;border-radius:4px;width:90px;height:160px}._iceberg_nhqrh_9 h3{margin-bottom:6px;font-size:.875rem}._labDisclosure_nhqrh_10{--matter-ink:#102b50;--matter-paper:#fff;--matter-soft:#eff8ff;--matter-aqua:#b9e4ff;--matter-deep:#0064cd;--matter-blue:#0064ed;--matter-coral:#be4938;--matter-yellow:#f2cb58;--matter-line:#cadff2;border:1px solid var(--line);background:#f8fcff;border-radius:5px;margin-bottom:20px;padding:15px}._labDisclosure_nhqrh_10>summary{color:var(--ink);justify-content:space-between;align-items:center;gap:12px;display:flex}._labDisclosure_nhqrh_10>summary>span:first-child{align-items:center;gap:8px;font-weight:700;display:flex}._labDisclosure_nhqrh_10>summary>span:last-child{color:var(--blue);font-size:.875rem}._labDisclosure_nhqrh_10>summary:after{content:"+";color:var(--blue);font-size:1.25rem}._labDisclosure_nhqrh_10[open]>summary:after{content:"−"}._labDisclosure_nhqrh_10>p{margin:12px 0}._labDisclosure_nhqrh_10 .matter-lab{margin-top:16px}._labDisclosure_nhqrh_10 .matter-controls p,._labDisclosure_nhqrh_10 .matter-readout-grid{font-size:.875rem}._labDisclosure_nhqrh_10 .matter-readout-grid span{font-size:.8rem}._labDisclosure_nhqrh_10 .matter-state-buttons button{font-size:.875rem}._examples_nhqrh_10{grid-template-columns:1fr 1fr;gap:10px;display:grid}._examples_nhqrh_10 details{border:1px solid var(--line);border-radius:4px;padding:12px;font-size:.875rem}._examples_nhqrh_10 summary{font-weight:500}._examples_nhqrh_10 summary span{color:#0755ac;background:#eaf4ff;border-radius:3px;margin-right:6px;padding:2px 6px;font-size:.75rem;font-weight:700;display:inline-block}._examples_nhqrh_10 li{color:var(--muted)}._quiz_nhqrh_11{border:1px solid var(--line);background:#f8fcff;border-radius:6px;margin:22px 0;padding:18px}._quizHeader_nhqrh_11{justify-content:space-between;align-items:center;gap:16px;display:flex}._quizHeader_nhqrh_11 p{margin-top:5px;font-size:.875rem}._quizHeader_nhqrh_11>span{white-space:nowrap;color:var(--blue);font-size:.875rem}._quizGrid_nhqrh_11{grid-template-columns:1fr 1fr;gap:14px;margin:18px 0;display:grid}._quizGrid_nhqrh_11 fieldset{background:#fff;border:1px solid #d8e6f6;border-radius:5px;min-width:0;margin:0;padding:12px}._quizGrid_nhqrh_11 legend{padding:0 4px;font-size:.875rem;font-weight:700}._quizGrid_nhqrh_11 label{cursor:pointer;align-items:center;gap:8px;min-height:36px;padding:7px 0;font-size:.875rem;display:flex}._quizGrid_nhqrh_11 input{accent-color:var(--blue);flex-shrink:0;width:17px;height:17px}._quizGrid_nhqrh_11 fieldset p{border-top:1px solid var(--line);padding-top:8px;font-size:.875rem}._page_nhqrh_1 ._error_nhqrh_11{color:#ab2531}._page_nhqrh_1 ._correct_nhqrh_11{color:#086242}._quizFooter_nhqrh_11{flex-wrap:wrap;align-items:center;gap:10px;display:flex}._quizFooter_nhqrh_11 p{flex-basis:100%;margin-top:3px;font-size:.875rem}._outlineButton_nhqrh_3,._primaryButton_nhqrh_11{color:var(--blue);background:#fff;border:1px solid #97c4ff;border-radius:4px;min-height:40px;padding:9px 15px;font-size:.875rem}._primaryButton_nhqrh_11{background:var(--blue);color:#fff;border-color:var(--blue)}._primaryButton_nhqrh_11:disabled{opacity:.5;cursor:not-allowed}._resources_nhqrh_11{margin:20px 0}._resources_nhqrh_11>h2{margin-bottom:10px;font-size:1.1rem}._resources_nhqrh_11>div{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;display:grid}._resources_nhqrh_11 a{border:1px solid var(--line);color:var(--ink);border-radius:5px;align-items:center;gap:9px;padding:12px 9px;line-height:1.4;display:flex}._resources_nhqrh_11 svg{color:var(--blue)}._resources_nhqrh_11 strong{font-size:.8rem;display:block}._resources_nhqrh_11 small{color:var(--muted);margin-top:4px;font-size:.75rem;display:block}._lessonFooter_nhqrh_11{border-top:1px solid var(--line);justify-content:space-between;gap:16px;padding-top:18px;display:flex}._lessonFooter_nhqrh_11 a{border:1px solid #b3d3fc;border-radius:4px;padding:10px 15px;font-size:.875rem}._lessonFooter_nhqrh_11 span{font-size:.8rem;display:block}._lessonFooter_nhqrh_11 strong{font-weight:500}._lessonFooter_nhqrh_11 a:last-child{text-align:right}._page_nhqrh_1 ul{list-style:outside}._page_nhqrh_1 ol{list-style:decimal}._sliderRow_nhqrh_8 input[type=range]::-webkit-slider-thumb{background:var(--blue);border-color:#fff}._sliderRow_nhqrh_8 input[type=range]::-moz-range-thumb{background:var(--blue);border-color:#fff}._labDisclosure_nhqrh_10 .matter-controls h3{color:var(--matter-yellow)}._labDisclosure_nhqrh_10 .matter-controls p{color:#edf5ff}._mobileChapterMenu_nhqrh_13{display:none}@media (width<=699px){._chapterMenu_nhqrh_3:not(._mobileChapterMenu_nhqrh_13){display:none}._mobileChapterMenu_nhqrh_13{display:block}._mobileChapterMenu_nhqrh_13>summary:after{content:" +";color:var(--blue)}._mobileChapterMenu_nhqrh_13[open]>summary:after{content:" −"}}@media (width>=1400px){._heroContent_nhqrh_4{padding:30px 38px}._hero_nhqrh_4{min-height:350px}._content_nhqrh_6{padding:22px 32px 28px}._stateCard_nhqrh_6{padding:14px}._stateCard_nhqrh_6 ul,._measurementText_nhqrh_6 p{font-size:.95rem}}@media (width<=1199px){._page_nhqrh_1{grid-template-columns:205px minmax(0,1fr)}._content_nhqrh_6{padding:18px}._heroContent_nhqrh_4{max-width:73%;padding:22px}._hero_nhqrh_4 h1{font-size:2.1rem}._readingGrid_nhqrh_6{grid-template-columns:minmax(0,1.6fr) minmax(240px,1fr);gap:14px}._calculator_nhqrh_8{grid-template-columns:1.3fr 1fr;gap:14px}._calculatorHint_nhqrh_8{padding:4px}._applicationGrid_nhqrh_9{grid-template-columns:1fr 1fr}._miniCard_nhqrh_9:last-child{grid-column:1/-1}._iceberg_nhqrh_9 img{width:110px;height:130px}._resources_nhqrh_11>div{grid-template-columns:repeat(3,minmax(0,1fr))}._toolbar_nhqrh_5{padding:12px}._stateGrid_nhqrh_6{gap:6px}._stateCard_nhqrh_6{padding:10px 7px}}@media (width<=959px){._page_nhqrh_1{grid-template-columns:1fr}._sidebar_nhqrh_3{border-right:0;border-bottom:1px solid var(--line);grid-template-columns:220px 1fr;display:grid}._chapterHeading_nhqrh_3{padding:14px 18px}._chapterHeading_nhqrh_3>strong{margin:4px 0 10px}._chapterMenu_nhqrh_3 nav{grid-template-columns:1fr 1fr;display:grid}._chapterMenu_nhqrh_3 nav a{padding:6px 12px;font-size:.8rem}._sideResources_nhqrh_3{display:none}._chapterMenu_nhqrh_3>summary{padding:10px 14px}._heroContent_nhqrh_4{max-width:70%}._hero_nhqrh_4 h1{font-size:2.4rem}._toolbar_nhqrh_5{padding:12px 18px}._readingGrid_nhqrh_6{grid-template-columns:minmax(0,1.8fr) minmax(240px,1fr)}}@media (width<=699px){._sidebar_nhqrh_3{display:block}._chapterHeading_nhqrh_3{grid-template-columns:1fr auto;gap:3px 12px;padding:12px 16px;display:grid}._chapterHeading_nhqrh_3>span{font-size:.9rem}._chapterHeading_nhqrh_3>strong{grid-area:2/1;margin:0;font-size:.8rem}._chapterHeading_nhqrh_3 p{grid-area:1/2;align-self:center;font-size:.75rem}._chapterHeading_nhqrh_3 progress{grid-area:2/2;align-self:center}._chapterMenu_nhqrh_3 nav{grid-template-columns:1fr 1fr}._chapterMenu_nhqrh_3 nav a{font-size:.8rem}._hero_nhqrh_4{min-height:320px}._heroContent_nhqrh_4{max-width:100%;padding:20px}._hero_nhqrh_4:after{background:linear-gradient(90deg,#06182aeb,#06182ac2 60%,#06182a80)}._heroImage_nhqrh_4{object-position:72% center}._hero_nhqrh_4 h1{max-width:450px;font-size:2rem}._hero_nhqrh_4 h2{font-size:1rem}._hero_nhqrh_4 p{max-width:460px;font-size:.9rem}._badges_nhqrh_4{gap:6px}._badges_nhqrh_4 a{padding:4px 10px}._toolbar_nhqrh_5{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;padding:10px}._toolbar_nhqrh_5 a{border:1px solid var(--line);border-radius:4px;min-height:58px;padding:4px 2px;font-size:.75rem}._toolbar_nhqrh_5 a:last-child{border:1px solid var(--line)}._toolbar_nhqrh_5 svg{width:22px;height:22px}._readingGrid_nhqrh_6{display:block}._referenceRail_nhqrh_7{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px;display:grid}._content_nhqrh_6{padding:18px 14px}._stateGrid_nhqrh_6{gap:7px}._stateCard_nhqrh_6 ul,._measurementText_nhqrh_6 p{font-size:.8rem}._measurementText_nhqrh_6 h3{font-size:.85rem}._measurementText_nhqrh_6>div{padding:8px}._formulae_nhqrh_7>div{grid-template-columns:1fr;gap:5px;padding:10px}._formulae_nhqrh_7 dd{justify-content:space-between}._cardHeading_nhqrh_7{flex-wrap:wrap;padding:10px}._cardHeading_nhqrh_7 h2{font-size:1rem}._curriculumCard_nhqrh_7{padding:12px}._curriculumCard_nhqrh_7 h2{font-size:1rem}._curriculumCard_nhqrh_7>a{gap:7px}._curriculumArrow_nhqrh_7{width:22px;height:22px}._curriculumCard_nhqrh_7 strong{font-size:.8rem}._curriculumCard_nhqrh_7 small{font-size:.75rem}._definition_nhqrh_7{margin:0 8px 8px;padding:8px;font-size:.8rem}._calculator_nhqrh_8{grid-template-columns:1.15fr 1fr;gap:12px;padding:12px}._sliderRow_nhqrh_8{grid-template-columns:1fr 66px;gap:4px 7px}._calculatorHint_nhqrh_8{font-size:.8rem!important}._result_nhqrh_8{min-height:116px;padding:9px}._result_nhqrh_8 output{font-size:1.4rem}._result_nhqrh_8 output small{font-size:.85rem}._result_nhqrh_8>p{font-size:.8rem}._applicationGrid_nhqrh_9{grid-template-columns:1fr}._miniCard_nhqrh_9:last-child{grid-column:auto}._miniCard_nhqrh_9{padding:15px}._miniCard_nhqrh_9 :is(p,ol){font-size:.95rem}._iceberg_nhqrh_9 img{width:110px;height:160px}._examples_nhqrh_10,._quizGrid_nhqrh_11{grid-template-columns:1fr}._quiz_nhqrh_11{padding:14px}._quizHeader_nhqrh_11{align-items:flex-start}._quizHeader_nhqrh_11>span{white-space:normal;text-align:right}._resources_nhqrh_11>div{grid-template-columns:1fr 1fr}._lessonFooter_nhqrh_11 a{padding:9px;font-size:.8rem}._lessonFooter_nhqrh_11{gap:10px}._labDisclosure_nhqrh_10>summary>span:last-child{display:none}}@media (width<=380px){._chapterHeading_nhqrh_3{grid-template-columns:1fr}._chapterHeading_nhqrh_3 p,._chapterHeading_nhqrh_3 progress{grid-area:auto/1}._chapterHeading_nhqrh_3 progress{max-width:130px}._heroContent_nhqrh_4{padding:18px 14px}._hero_nhqrh_4 h1{font-size:1.8rem}._stateGrid_nhqrh_6{grid-template-columns:1fr}._stateCard_nhqrh_6{grid-template-columns:100px 1fr;gap:0 12px;padding:10px;display:grid}._stateCard_nhqrh_6 h3,._stateCard_nhqrh_6 ._particles_nhqrh_6{grid-column:1}._stateCard_nhqrh_6 ul{grid-area:1/2/3;align-self:center;font-size:.875rem}._measurementText_nhqrh_6{grid-template-columns:1fr}._measurementText_nhqrh_6>div{border-right:0;border-top:1px solid var(--line);padding:10px}._measurementText_nhqrh_6 p{font-size:.875rem}._referenceRail_nhqrh_7{grid-template-columns:1fr}._formulae_nhqrh_7>div{grid-template-columns:75px 1fr}._calculator_nhqrh_8{grid-template-columns:1fr}._calculatorHint_nhqrh_8{display:none}._resources_nhqrh_11>div{grid-template-columns:1fr}._lessonFooter_nhqrh_11{flex-direction:column}._lessonFooter_nhqrh_11 a:last-child{text-align:left}}@media (prefers-reduced-motion:reduce){._page_nhqrh_1 *{scroll-behavior:auto!important;transition:none!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}@media print{._sidebar_nhqrh_3,._toolbar_nhqrh_5,._badges_nhqrh_4,._quizFooter_nhqrh_11,._resources_nhqrh_11,._lessonFooter_nhqrh_11{display:none}._page_nhqrh_1{display:block}._hero_nhqrh_4{background:#fff;min-height:auto}._heroImage_nhqrh_4,._hero_nhqrh_4:after{display:none}._heroContent_nhqrh_4{color:#000;max-width:none}._hero_nhqrh_4 :is(h1,h2,p){color:#000}._content_nhqrh_6{padding:16px 0}._page_nhqrh_1{font-size:12pt}._readingGrid_nhqrh_6{grid-template-columns:2fr 1fr}._calculator_nhqrh_8 input[type=range]{display:none}._page_nhqrh_1 details>*{display:block!important}._quiz_nhqrh_11{break-before:page}._miniCard_nhqrh_9,._stateCard_nhqrh_6{break-inside:avoid}}