/* F3 and F4 chapters use the atlas's existing image buttons and native viewer. */
.v20-route{scroll-margin-top:190px}
.v20-route>h2{margin:12px 0 20px}
.v20-route>.v12-intro{max-width:1000px;color:var(--muted)}
.v20-route>figure{min-width:0;margin-top:34px}
.v20-route .art img{height:auto;object-fit:contain}
.v20-route figcaption{display:block;font-size:13px;line-height:1.7;letter-spacing:0;padding:14px 0 24px}
.v20-route figcaption strong{display:block;color:var(--text);font-size:17px;margin-bottom:8px}
.v20-next{margin-top:2rem}
@media(max-width:760px){.v20-route{scroll-margin-top:150px}.v20-route>figure{margin-top:26px}.v20-route figcaption{font-size:12px}}
@media(prefers-reduced-motion:reduce){.v20-route *{scroll-behavior:auto!important;transition:none!important}}

.v20-route>h3{margin:48px 0 12px;font-size:clamp(20px,3vw,29px);letter-spacing:.03em;color:var(--text)}