.q953{--q953-blue:#193e82;--q953-ink:#203047;box-sizing:border-box;margin:1.6rem 0;padding:clamp(16px,3vw,28px);border:1px solid #c2ccda;border-radius:16px;background:#fff;color:var(--q953-ink);line-height:1.8;font-size:1rem;overflow-wrap:anywhere;max-width:100%;text-align:left}
/* 舊站全域連結色有 important；僅針對本元件的實心按鈕保留白字。 */
.technical-main .q953 a.q953-primary,.technical-main .q953 a.q953-primary:visited,.technical-main .q953 a.q953-primary:hover,.technical-main .q953 a.q953-primary:focus{color:#fff!important;text-decoration:none!important}
.q953 *{box-sizing:border-box}.q953 [hidden]{display:none!important}.q953 h2{font-size:clamp(1.25rem,3vw,1.65rem);line-height:1.5;color:var(--q953-blue);margin:.3rem 0 1rem}.q953 h3{font-size:1.12rem;line-height:1.6;margin:0 0 .6rem;color:var(--q953-blue)}.q953 p{margin:.7rem 0}.q953 a{color:var(--q953-blue);text-decoration:underline;text-underline-offset:.2em}.q953-kicker{color:#8a4210;font-weight:700;letter-spacing:.06em}.q953-label{display:block;font-weight:700;margin:1rem 0 .4rem}.q953 select,.q953 textarea{display:block;width:100%;max-width:100%;min-width:0;font:inherit;color:#203047;background:#fff;border:1px solid #62758e;border-radius:8px;padding:12px}.q953 select{min-height:52px}.q953 textarea{resize:vertical;line-height:1.7}.q953-danger{display:flex;align-items:flex-start;gap:10px;margin:1rem 0;padding:10px;border:1px solid #c2ccda;border-radius:8px;cursor:pointer}.q953-danger input{width:22px;height:22px;flex:0 0 22px;margin:.25rem 0;accent-color:#193e82}.q953-warning{background:#fff5e9;border-left:5px solid #d97827;border-radius:6px;padding:14px;color:#603514}.q953-warning strong{display:block}.q953-result{background:#f1f5fa;border-left:4px solid #193e82;padding:16px;margin:1rem 0;border-radius:6px}.q953-result[data-danger=true]{background:#fff5e9;border-left-color:#b25416}.q953 .q953-note,.q953 figcaption{color:#465974;font-size:.94rem}.q953-contact{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:1.2rem 0}.q953 a.q953-primary{display:inline-flex;justify-content:center;align-items:center;padding:12px 18px;background:#193e82;color:#fff;border-radius:8px;text-decoration:none;min-height:48px;font-weight:700}.q953 details{border-top:1px solid #c2ccda;padding:12px 0}.q953 summary{cursor:pointer;color:#193e82;font-weight:700;min-height:44px;line-height:1.7;padding:8px 0}.q953 dt{font-weight:700;color:#193e82;margin-top:1rem}.q953 dd{margin:0}.q953 .q953-figure{margin:1.2rem 0;width:100%;max-width:100%}.q953 svg{display:block;width:100%;height:auto;max-width:100%}.q953 figcaption{margin-top:10px;line-height:1.7}.q953 input[type=range]{width:100%;min-width:0;min-height:44px;accent-color:#193e82;cursor:pointer}.q953-controls{display:flex;gap:8px;flex-wrap:wrap}.q953 button{font:inherit;font-weight:700;border:1px solid #193e82;background:#fff;color:#193e82;border-radius:8px;padding:9px 13px;min-height:46px;cursor:pointer}.q953 button:disabled{color:#58677d;border-color:#9babc0;background:#f1f5fa;cursor:default}.q953 :is(button,a,select,input,textarea,summary):focus-visible{outline:3px solid #193e82;outline-offset:4px}.q953-caption{min-height:6rem;background:#193e82;color:#fff;padding:16px;border-radius:8px}.q953-layer-list{padding-left:1.5rem}.q953-layer-list li{margin:.7rem 0}.q953-related{border-top:1px solid #c2ccda;padding-top:1rem}.q953-figure .q953-wave{opacity:.22}.q953-figure[data-stage="1"] .q953-valve,.q953-figure[data-stage="2"] .q953-flow,.q953-figure[data-stage="4"] .q953-clamp{filter:drop-shadow(0 0 4px #d97827)}.q953-figure[data-stage="3"] .q953-wave{opacity:1}.q953-figure[data-playing="true"][data-stage="2"] .q953-flow{animation:q953-flow 1.8s ease-in-out infinite}.q953-figure[data-playing="true"][data-stage="3"] .q953-wave{animation:q953-wave 2s ease-out infinite}@keyframes q953-flow{from{transform:translateX(-8px)}to{transform:translateX(8px)}}@keyframes q953-wave{from{transform:translateX(14px);opacity:.3}to{transform:translateX(-16px);opacity:1}}@media(prefers-reduced-motion:reduce){.q953 *{animation:none!important;transition:none!important}}@media(max-width:420px){.q953-controls{display:grid;grid-template-columns:1fr 1fr}.q953-controls #q953-play{grid-column:1/-1;grid-row:2}.q953-contact{display:grid}.q953-contact a{padding:10px 0}.q953-caption{min-height:8rem}}@media print{.q953-enhanced,.q953-contact{display:none!important}.q953{break-inside:avoid;padding:12px}.q953-text-guide>summary{display:none}.q953-text-guide::details-content{content-visibility:visible}}