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12px;background:#eef2f6;border-radius:10px}.rc448-hud{display:flex;gap:12px;align-items:center}.rc448-question{margin-top:16px;background:#eef2f6;padding:18px;border-radius:18px}.rc448-question h3{font-size:1.3rem;margin:5px 0}.rc448-choices{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin:12px 0}.rc448-choices button.correct{background:#e4f6ea;border-color:#72b689}.rc448-choices button.wrong{background:#fdeaea;border-color:#cf7b7b}.rc448-patterns{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.rc448-patterns article{background:#eef2f6;border-radius:16px;padding:16px}.rc448-patterns strong{font-size:1.6rem}.rc448-details summary{font-weight:800;cursor:pointer}.rc448-details>div{max-width:800px}.rc448-toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#18202a;color:#fff;padding:10px 14px;border-radius:999px;opacity:0;pointer-events:none;transition:.2s}.rc448-toast.show{opacity:1}@media(max-width:760px){.rc448-hero{grid-template-columns:1fr}.rc448-trust{grid-template-columns:repeat(3,1fr)}.rc448-core,.rc448-modes,.rc448-convert,.rc448-batch,.rc448-lab,.rc448-details{padding:16px;border-radius:18px}.rc448-head{display:block}.rc448-actions{margin-top:10px}.rc448-triangle{grid-template-columns:1fr}.rc448-resultgrid{grid-template-columns:1fr}.rc448-modepanel{grid-template-columns:1fr 1fr}.rc448-modeout{grid-column:1/-1}.rc448-convertgrid{grid-template-columns:1fr 1fr}.rc448-batchgrid{grid-template-columns:1fr}.rc448-batchgrid .wide{grid-column:auto}.rc448-patterns{grid-template-columns:1fr}.rc448-choices{grid-template-columns:1fr 1fr}.rc448-hero h1{font-size:3rem}}@media(max-width:430px){.rc448-trust{grid-template-columns:1fr}.rc448-convertgrid{grid-template-columns:1fr}.rc448-choices{grid-template-columns:1fr}}
.rc448-quick{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.rc448-quick button{border:1px solid #d2d8df;background:#fff;border-radius:999px;padding:8px 11px;font-weight:700;cursor:pointer}.rc448-ratioinput{margin-top:18px}.rc448-ratioinput label{display:grid;gap:7px;font-weight:800}.rc448-ratioinput input{width:100%;border:1px solid #c9d1da;border-radius:14px;padding:14px 16px;font:inherit;font-size:1.15rem;background:#fff}.rc448-bars{display:grid;gap:8px;margin-top:16px}.rc448-barrow{display:grid;grid-template-columns:130px 1fr;gap:10px;align-items:center}.rc448-barrow span{font-size:.82rem;font-weight:800;color:#64707d}.rc448-bartrack{height:14px;border-radius:999px;background:#dfe5eb;overflow:hidden}.rc448-bartrack i{display:block;height:100%;min-width:2px;background:#18202a;border-radius:999px}.rc448-eqgrid{display:grid;grid-template-columns:1.2fr .8fr;gap:12px;margin-top:16px}.rc448-eqrows,.rc448-splitrows{display:grid;gap:7px}.rc448-eqrows div,.rc448-splitrows div{display:flex;justify-content:space-between;gap:12px;background:#eef2f6;border-radius:10px;padding:9px 11px}.rc448-eqrows b{min-width:40px}.rc448-splitrows{margin-top:10px}.rc448-note{background:#eef2f6;border-radius:16px;padding:14px;color:#5d6975}.rc448-modepanel[hidden],.rc448-lab[hidden],[hidden]{display:none!important}.rc448-modepanel{grid-template-columns:repeat(3,minmax(0,1fr)) minmax(220px,1.1fr)}.rc448-modepanel .rc448-wide{grid-column:span 2}.rc448-convertgrid{grid-template-columns:1fr repeat(3,1fr)}@media(max-width:760px){.rc448-eqgrid{grid-template-columns:1fr}.rc448-barrow{grid-template-columns:100px 1fr}.rc448-modepanel{grid-template-columns:1fr 1fr}.rc448-modepanel .rc448-wide{grid-column:1/-1}}@media(max-width:430px){.rc448-barrow{grid-template-columns:1fr}.rc448-modepanel{grid-template-columns:1fr}.rc448-modepanel .rc448-wide{grid-column:auto}}