.u8{--u8-blue:#193e82;--u8-orange:#d97827;--u8-ink:#22364d;box-sizing:border-box;color:var(--u8-ink);font-size:17px;line-height:1.8;margin:30px 0;padding:26px;border:1px solid #bdcce0;border-radius:20px;background:#fff;max-width:100%}
.u8 *{box-sizing:border-box}.u8 [hidden]{display:none!important}.u8 h2{color:var(--u8-blue);font-size:clamp(1.4rem,3vw,1.8rem);line-height:1.5;margin:0 0 16px}.u8 h3{font-size:1.16rem;line-height:1.6;color:var(--u8-blue)}.u8 p{margin:12px 0}.u8 .u8-eyebrow{font-weight:700;letter-spacing:.08em;color:var(--u8-blue);font-size:15px}.u8 .u8-danger{background:#fff3ed;border-left:6px solid #ad381f;padding:18px;border-radius:12px;color:#652615}.u8 .u8-note{font-size:15px;color:#425671}.u8 fieldset{border:1px solid #b6c7df;border-radius:12px;padding:16px;margin:18px 0;min-width:0}.u8 legend{font-weight:700;padding:0 8px;max-width:100%}.u8 .u8-options{display:grid;gap:10px}.u8 .u8-choice{display:flex;align-items:flex-start;gap:10px;min-height:48px;padding:12px;border:1px solid #b6c7df;border-radius:10px;background:#f6f8fc;cursor:pointer}.u8 .u8-choice:has(input:checked){outline:2px solid var(--u8-blue);background:#e9f0fc;color:#123367}.u8 input[type=radio],.u8 input[type=checkbox]{width:21px;height:21px;flex:0 0 auto;margin:5px 0;accent-color:var(--u8-blue)}.u8 button,.u8 select,.u8 input[type=number]{font:inherit;min-height:48px;border:1px solid #7b93b4;border-radius:9px;padding:9px 14px;max-width:100%}.u8 button{cursor:pointer;background:#fff;color:var(--u8-blue);font-weight:700}.u8 button.primary,.u8 button[aria-pressed=true]{background:var(--u8-blue);color:#fff;border-color:var(--u8-blue)}.u8 button:disabled{opacity:.5;cursor:default}.u8 :focus-visible{outline:3px solid #a44b11;outline-offset:4px}.u8 .u8-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:16px 0}.u8 .u8-result{padding:20px;border:2px solid var(--u8-blue);background:#eef3fc;border-radius:12px;margin:20px 0}.u8 .u8-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.u8 .u8-control{display:grid;gap:7px;margin:14px 0}.u8 input[type=range]{width:100%;height:44px;accent-color:var(--u8-blue)}.u8 .u8-meter{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0}.u8 .u8-meter>div{background:#eef3fc;border:1px solid #becde1;border-radius:12px;padding:16px;text-align:center}.u8 .u8-volts{font-size:1.7rem;font-weight:800;color:var(--u8-blue)}.u8 .u8-bar{height:18px;border-radius:8px;background:#dce6f3;overflow:hidden}.u8 .u8-bar>span{display:block;height:100%;background:var(--u8-blue);width:50%;transition:width .15s}.u8 .u8-figure{margin:20px 0}.u8 .u8-figure img,.u8 svg#u8-stage{display:block;width:100%;height:auto;border-radius:15px}.u8 figcaption{font-size:16px;line-height:1.8;padding:12px 0;color:#304a68}.u8 .u8-layer-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.u8 .u8-layer-buttons button{white-space:normal}.u8 .u8-path{background:#edf3fc;border-radius:10px;padding:16px;font-weight:700}.u8 .u8-caption{min-height:64px;background:#193e82;color:#fff;text-align:center;border-radius:10px;padding:14px;font-size:clamp(16px,3.5vw,21px);font-weight:700}.u8 progress{display:block;width:100%;height:17px;accent-color:var(--u8-blue)}.u8 .u8-scene-nav{display:flex;flex-wrap:wrap;gap:7px}.u8 .u8-scene-nav button{width:47px;padding:6px}.u8 .u8-checklist{padding-left:24px}.u8 .u8-checklist li{padding:5px 0}.u8 .u8-link{display:inline-flex;min-height:48px;align-items:center;padding:9px 14px;background:var(--u8-blue);color:#fff!important;border-radius:9px;text-decoration:none}.u8 .u8-table{width:100%;border-collapse:collapse;font-size:16px}.u8 .u8-table th,.u8 .u8-table td{padding:12px;border:1px solid #c5d1e1;text-align:left}.u8 .u8-table th{background:#eaf0fa}.u8 output{overflow-wrap:anywhere}.u8 details{margin:16px 0}.u8 summary{cursor:pointer;min-height:48px;padding:10px 0;font-weight:700}.u8 .u8-still{max-width:100%;margin:10px 0}.u8 .u8-error{color:#982919;font-weight:700}.technical-main #q597-answer{border-color:#193e82;background:#edf3fc;color:#193e82}.technical-main{overflow-wrap:anywhere}.technical-main [id^=u8-]{scroll-margin-top:100px}
@media(max-width:600px){.u8{padding:17px 13px;border-radius:15px;font-size:17px;margin:24px 0}.u8 .u8-grid{grid-template-columns:1fr}.u8 fieldset{padding:12px 10px}.u8 .u8-layer-buttons{grid-template-columns:1fr}.u8 .u8-result{padding:15px}.u8 .u8-meter{gap:8px}.u8 .u8-meter>div{padding:12px 8px}.u8 .u8-table,.u8 .u8-table tbody,.u8 .u8-table tr,.u8 .u8-table td{display:block;width:100%}.u8 .u8-table thead{display:none}.u8 .u8-table td:first-child{background:#eaf0fa;font-weight:700}.u8 .u8-caption{padding:14px 7px}.u8 .u8-actions button{flex-grow:1}}
@media(prefers-reduced-motion:reduce){.u8 *{transition:none!important;animation:none!important}}
@media print{.u8 button,.u8 input,.u8 select,.u8 progress{display:none!important}.u8{border-color:#888;break-inside:avoid}.u8 details>*{display:block!important}.u8 .u8-caption{background:white;color:black}}