/* Route-C only: explicit hierarchy, stable comparison regions and quiet reveals. */
.rc-scene{width:100%;min-width:0;color:var(--ink,#182b43)}
.rc-svg{display:block;width:100%;height:auto;max-height:calc(100dvh - 196px)}
.rc-hidden{visibility:hidden;opacity:0}.rc-invisible{visibility:hidden}
.rc-reveal{transition:opacity 160ms ease-out}
.rc-reused>.nl-scene,.rc-reused>.nf-scene,.rc-reused>.n62tr,.rc-reused>.n62sv{max-width:100%;margin:0}
.rc-html{font-size:clamp(17px,1.65vw,25px);line-height:1.48;max-width:1220px;margin:auto}
.rc-compare{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.rc-compare h3{font-size:1.1em;color:#002676;margin:0 0 12px;font-weight:650}
.rc-paper{border-top:3px solid #bdcbdc;padding:10px 0 0}.rc-paper p{margin:0 0 16px}
.rc-example{border-left:4px solid #b38413;padding:7px 14px;background:#fff7df;margin:12px 0}
.rc-example p{margin:5px 0}.rc-answer-slot{padding-top:12px;border-top:1px solid #bdcbdc;min-height:2.8em}
.rc-answer-slot b{color:#176b60;font-weight:650}
.rc-foot{font-size:.86em;color:#536377;text-align:center;margin:20px 0 0;line-height:1.5}
.rc-fixed{text-align:center;padding:14px 0;color:#002676;font-weight:650;border-bottom:2px solid #c7d2e3;margin-bottom:18px}
.rc-icl-row{display:grid;grid-template-columns:minmax(310px,1.65fr) 28px 68px 28px minmax(260px,1fr);gap:20px;align-items:center;padding:10px 0;border-bottom:1px solid #dbe3ef}
.rc-input{font-size:.84em}.rc-input p{margin:6px 0}.rc-input>b{color:#002676;font-size:1.08em}
.rc-input .rc-example{margin:5px 0;padding:5px 12px}
.rc-x{color:#735299;font-size:1.3em;text-align:center}
.rc-kv{display:flex;flex-direction:column;gap:15px;color:#002676;font-size:1.15em}
.rc-kv small{font-size:.7em;color:#536377}
.rc-path{padding:18px 0 0;text-align:center;color:#735299;font-weight:650}
@media (prefers-reduced-motion:reduce){.rc-reveal{transition:none}}
@media(max-width:760px){.rc-html{min-width:760px;font-size:20px}.rc-compare{gap:20px}.rc-svg{min-width:760px;max-height:none}.rc-icl-row{gap:10px}}