.s221{background:#f8f8f4!important;color:#173649!important;border-top:3px solid #b39153;padding:clamp(18px,3vw,34px);margin:40px auto;width:calc(100% - 8vw);max-width:1180px;min-width:0;scroll-margin-top:100px;box-sizing:border-box;font:16px/1.7 Arial,sans-serif;text-align:left}
.s221 *{box-sizing:border-box}.s221 h2{font:400 clamp(28px,3vw,40px)/1.25 Georgia,serif!important;margin:16px 0!important;color:#173649!important}.s221 h3{font:400 clamp(23px,2.3vw,30px)/1.3 Georgia,serif!important;color:#173649!important;margin:24px 0 12px!important}.s221 h4{font:600 18px/1.5 Arial,sans-serif;color:#173649!important}.s221 p{font-size:16px!important;line-height:1.7!important;color:#415969!important;max-width:none!important;text-align:left!important;hyphens:none!important}.s221 .s221-kicker{font-size:12px!important;letter-spacing:.08em;color:#785d2d!important}.s221 select{width:100%;margin-top:8px;font-size:16px!important}.s221 a{color:#173649!important;text-decoration:underline}.s221 .s221-legend{display:flex;gap:12px 24px;flex-wrap:wrap;padding:12px 0;list-style:none;margin:0;color:#173649}.s221 .s221-legend li{font-size:14px;line-height:1.6}.s221 .s221-legend span{font-weight:700;margin-right:6px}.s221 [data-demo-params]{margin-bottom:20px}.s221 [data-demo-actions] label{min-width:140px}.s221 [data-demo-formula]{overflow:auto;max-width:100%}.s221 .katex-display{width:max-content;min-width:100%}.s221 [data-plot] svg{background:#fafaf7}.s221 details{border:0;border-top:1px solid #b8c7cd;padding:14px 0;margin:18px 0;background:transparent}.s221 summary{cursor:pointer;min-height:44px;color:#173649!important;font-size:16px;padding:8px 0!important;background:transparent!important}.s221 .s221-scroll{overflow:auto;max-width:100%}.s221 table{background:#fff!important;color:#173649!important;font-size:14px;line-height:1.6}.s221 th,.s221 td{border:1px solid #c3cdd2;padding:10px 12px;text-align:left!important}.s221 th{background:#eef3f4!important;font-weight:600}.s221 [data-parameters] table{min-width:0!important}.s221 [data-parameters] th{width:65%;white-space:normal}.s221 [data-parameters] td{font-variant-numeric:tabular-nums}.s221 caption{text-align:left;padding:10px;font-weight:600;color:#173649}.s221 input{min-width:0}.s221 .ahs-demo-extras{margin-top:20px}
@media(max-width:650px){.s221{width:calc(100% - 24px);padding:18px 12px;margin:26px 12px}.s221 .s221-legend{display:block}.s221 .s221-legend li{margin:6px 0}.s221 [data-demo-actions] button{flex:1 1 42%}.s221 [data-demo-params]{grid-template-columns:minmax(0,1fr)}.s221 [data-parameters] table{min-width:0!important}.s221 [data-parameters] th,.s221 [data-parameters] td{font-size:13px;padding:8px}}
/* Calculator-local explanations. The model's own layout remains intact. */
.story222-associated{grid-column:1/-1;flex-basis:100%;width:100%;min-width:0;max-width:100%;margin:26px 0 10px;border:1px solid #b8c7cd;background:#f8f8f4;color:#173649;scroll-margin-top:110px;box-sizing:border-box}
.story222-associated>summary{padding:18px 20px!important;font:600 16px/1.6 Arial,sans-serif!important;cursor:pointer;min-height:48px;color:#173649!important;background:#eef3f4!important;white-space:normal}
.story222-associated>.story222-note{margin:0!important;padding:18px 20px 0!important;color:#415969!important;font:15px/1.7 Arial,sans-serif!important;text-align:left!important}
.story222-associated>.s221{width:100%;max-width:none;margin:0;border-top:0;padding:20px;background:#f8f8f4!important}
.story222-associated[hidden]{display:none!important}
.story222-associated:focus-within{outline-offset:3px}
@media(max-width:650px){.story222-associated>.s221{width:100%;margin:0;padding:16px 10px}.story222-associated>summary{padding:14px 12px!important}.story222-associated>.story222-note{padding:14px 12px 0!important}}
/* Keep calculator-specific dark theme labels out of the light explanation. */
.story222-associated .s221 label,.story222-associated .s221 label span,.story222-associated .s221 output,.story222-associated .s221 legend,.story222-associated .s221 dt,.story222-associated .s221 dd{color:#173649!important;opacity:1!important}
.story222-associated .s221 button,.story222-associated .s221 select{opacity:1!important}