._page_1vkt2_1._page_1vkt2_1{color:#173757;font-family:Arial,sans-serif}._page_1vkt2_1._page_1vkt2_1 ._hero_1vkt2_2>img{object-position:65% center}._page_1vkt2_1._page_1vkt2_1 ._hero_1vkt2_2:after{background:linear-gradient(90deg,#031a32f5,#031a32ce 43%,#031a3222 78%,#031a3266)}._page_1vkt2_1._page_1vkt2_1 ._heroEquation_1vkt2_3{width:190px}._page_1vkt2_1._page_1vkt2_1 ._heroEquation_1vkt2_3 strong{font-size:1.8rem}._page_1vkt2_1._page_1vkt2_1 ._heroEquation_1vkt2_3>span{letter-spacing:.03em;font-size:.75rem}._page_1vkt2_1._page_1vkt2_1 ._labRow_1vkt2_4{grid-template-columns:minmax(0,1.4fr) minmax(250px,1fr)}._page_1vkt2_1._page_1vkt2_1 ._diagram_1vkt2_5{background:#f1f8ff;border:1px solid #cfe3f5;border-radius:4px;width:100%;height:auto;margin:12px 0;display:block}._page_1vkt2_1._page_1vkt2_1 ._diagram_1vkt2_5 text{fill:#214467;font:14px Arial,sans-serif}._page_1vkt2_1._page_1vkt2_1 ._graphTitle_1vkt2_6{margin:18px 0 0;font-size:1rem}._page_1vkt2_1._page_1vkt2_1 ._diagramNote_1vkt2_6{color:#466181;margin:8px 0 14px;font-size:.875rem;line-height:1.5}._page_1vkt2_1._page_1vkt2_1 ._controls_1vkt2_7{gap:12px;display:grid}._page_1vkt2_1._page_1vkt2_1 ._controls_1vkt2_7 label{grid-template-columns:minmax(0,1fr) auto;gap:5px 10px;min-width:0;font-size:.875rem;line-height:1.5;display:grid}._page_1vkt2_1._page_1vkt2_1 ._controls_1vkt2_7 output{color:#005ac7;font-weight:700}._page_1vkt2_1._page_1vkt2_1 ._controls_1vkt2_7 input{accent-color:#0064ed;cursor:pointer;grid-column:1/-1;width:100%;min-width:0;height:28px;margin:0}._page_1vkt2_1._page_1vkt2_1 ._controls_1vkt2_7 input::-webkit-slider-thumb{background:#0064ed;border-color:#fff}._page_1vkt2_1._page_1vkt2_1 ._controls_1vkt2_7 input::-moz-range-thumb{background:#0064ed;border-color:#fff}._page_1vkt2_1._page_1vkt2_1 ._presets_1vkt2_8{flex-wrap:wrap;gap:7px;margin:14px 0;display:flex}._page_1vkt2_1._page_1vkt2_1 ._presets_1vkt2_8 button{color:#0057bd;cursor:pointer;background:#fff;border:1px solid #8eb9ec;border-radius:4px;min-height:44px;padding:9px 12px;font:500 .875rem/1.4 Arial,sans-serif}._page_1vkt2_1._page_1vkt2_1 ._presets_1vkt2_8 button[aria-pressed=true]{color:#fff;background:#0064ed}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9{background:#e5f3ff;border:1px solid #c7e0f7;border-radius:4px;padding:14px}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9>strong{color:#075aab;font-size:1rem;line-height:1.5;display:block}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9[data-valid=false]{background:#fff7e8;border-color:#d8b976}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9[data-valid=false]>strong{color:#78530c}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9 dl{grid-template-columns:1fr 1fr;gap:12px;margin:12px 0;display:grid}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9 dt{color:#355579;font-size:.875rem;line-height:1.5}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9 dd{color:#102d50;overflow-wrap:anywhere;margin:4px 0 0;font-size:1.35rem;font-weight:700}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9 p{color:#355579;margin:8px 0 0;font-size:.875rem;line-height:1.6}._page_1vkt2_1._page_1vkt2_1 ._unitStrip_1vkt2_10{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}._page_1vkt2_1._page_1vkt2_1 ._unitStrip_1vkt2_10 span{background:#edf7ff;border:1px solid #d0e2f5;border-radius:4px;padding:7px 10px;font-size:.875rem}._page_1vkt2_1._page_1vkt2_1 ._experiment_1vkt2_11 ol{padding-left:23px}._page_1vkt2_1._page_1vkt2_1 ._experiment_1vkt2_11 li{margin:8px 0;font-size:1rem;line-height:1.6}._page_1vkt2_1._page_1vkt2_1 ._featureStrip_1vkt2_12 strong,._page_1vkt2_1._page_1vkt2_1 ._sidebar_1vkt2_12 nav a,._page_1vkt2_1._page_1vkt2_1 ._concepts_1vkt2_12 a>span,._page_1vkt2_1._page_1vkt2_1 ._formulaPanel_1vkt2_12 small,._page_1vkt2_1._page_1vkt2_1 ._panelHeading_1vkt2_12 button{font-size:.875rem}._page_1vkt2_1._page_1vkt2_1 ._panelHeading_1vkt2_12 button{min-height:44px}._page_1vkt2_1._page_1vkt2_1 ._heroCopy_1vkt2_12>p:last-of-type{font-size:1rem}._page_1vkt2_1._page_1vkt2_1 a:focus-visible,._page_1vkt2_1._page_1vkt2_1 button:focus-visible,._page_1vkt2_1._page_1vkt2_1 summary:focus-visible,._page_1vkt2_1._page_1vkt2_1 input:focus-visible{outline-offset:3px;outline:2px solid #0064ed}@media (width<=1199px){._page_1vkt2_1._page_1vkt2_1 ._labRow_1vkt2_4{grid-template-columns:minmax(0,1.2fr) minmax(210px,1fr)}}@media (width<=959px){._page_1vkt2_1._page_1vkt2_1 ._chapterLinks_1vkt2_15{display:block}._page_1vkt2_1._page_1vkt2_1 ._chapterLinks_1vkt2_15 nav{grid-template-columns:1fr 1fr;display:grid}}@media (width<=699px){._page_1vkt2_1._page_1vkt2_1 ._labRow_1vkt2_4{grid-template-columns:1fr}._page_1vkt2_1._page_1vkt2_1 ._hero_1vkt2_2:after{background:linear-gradient(90deg,#031a32ef,#031a329c)}._page_1vkt2_1._page_1vkt2_1 ._diagram_1vkt2_5 text{font-size:18px}._page_1vkt2_1._page_1vkt2_1 ._presets_1vkt2_8 button{flex:90px}}@media (width<=380px){._page_1vkt2_1._page_1vkt2_1 ._chapterLinks_1vkt2_15 nav{grid-template-columns:1fr}._page_1vkt2_1._page_1vkt2_1 ._diagram_1vkt2_5 text{font-size:20px}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9 dl{grid-template-columns:1fr 1fr}._page_1vkt2_1._page_1vkt2_1 ._readout_1vkt2_9 dd{font-size:1.1rem}}@media print{._page_1vkt2_1._page_1vkt2_1 ._controls_1vkt2_7,._page_1vkt2_1._page_1vkt2_1 ._presets_1vkt2_8{display:none}._page_1vkt2_1._page_1vkt2_1 ._labRow_1vkt2_4{display:block}}