/* Delta-Sierra RC70 — NEW_RC70 scoped recovery for the Books family only.
   This file is intentionally namespaced under body.ds-books-rc70 and does not recreate any missing historical stylesheet. */
body.ds-books-rc70{overflow-x:clip}
body.ds-books-rc70 *{box-sizing:border-box}
body.ds-books-rc70 img,body.ds-books-rc70 svg,body.ds-books-rc70 video{max-width:100%}
body.ds-books-rc70 main.seo-main{width:min(1120px,100%);margin-inline:auto;padding-inline:clamp(13px,2.2vw,24px)}
/* Restore the visual section contract only inside the Books family, after continuous-reading stripped it. */
body.ds-books-rc70.ds-book-continuous-v2137 main.seo-main>.seo-section:not(.answer-essential):not(.plan-access-summary):not(.plan-short-reader-section):not(.plan-reader-section):not(.plan-toc):not(.plan-answer-section):not(.plan-context-2027):not(.citation-professionnelle),
body.ds-books-rc70 main.seo-main>.seo-section{background:#fff!important;border:1px solid rgba(11,39,71,.12)!important;border-radius:14px!important;padding:30px clamp(20px,4vw,42px)!important;margin:0 0 24px!important;box-shadow:0 8px 24px rgba(11,39,71,.055)!important}
body.ds-books-rc70 main.seo-main>.seo-section+ .seo-section{border-top:1px solid rgba(11,39,71,.12)!important}
body.ds-books-rc70 .book-opening__inner{min-width:0}
body.ds-books-rc70 .book-opening__copy,body.ds-books-rc70 .book-opening__actions,body.ds-books-rc70 .buy-grid>*{min-width:0}
body.ds-books-rc70 .book-opening__cover{min-width:0}
body.ds-books-rc70 .book-opening__cover img{width:100%;max-width:290px;height:auto;object-fit:contain}
/* Progressive-gallery fail-safe: without JS, never stack six full-size spreads. */
body.ds-books-rc70 .book-preview:not(.is-enhanced) .book-preview__figure:not(:first-child){display:none!important}
body.ds-books-rc70 .book-preview.is-enhanced .book-preview__figure{display:none!important}
body.ds-books-rc70 .book-preview.is-enhanced .book-preview__figure.is-active{display:block!important}
body.ds-books-rc70 .book-preview__open img{width:auto!important;max-width:100%!important;height:auto!important;max-height:min(720px,78vh)!important;margin-inline:auto!important}
body.ds-books-rc70 .book-preview.is-enhanced .book-preview__thumbs{display:grid!important;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;overflow:visible!important}
body.ds-books-rc70 .book-preview__thumb{min-width:0!important;width:auto!important;max-width:100%!important;flex:none!important}
body.ds-books-rc70 .book-preview__thumb img{width:100%!important;height:auto!important}
body.ds-books-rc70 a,body.ds-books-rc70 .source-list,body.ds-books-rc70 .sources,body.ds-books-rc70 .references{overflow-wrap:anywhere;word-break:break-word}
body.ds-books-rc70 .ds-book-purchase-grid{min-width:0}
@media(max-width:820px){body.ds-books-rc70 .book-preview.is-enhanced .book-preview__thumbs{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:520px){
 body.ds-books-rc70 main.seo-main>.seo-section{padding:23px 18px!important}
 body.ds-books-rc70 .ds-book-purchase-grid{grid-template-columns:1fr!important;gap:24px!important}
 body.ds-books-rc70 .book-preview.is-enhanced .book-preview__thumbs{grid-template-columns:repeat(2,minmax(0,1fr))}
 body.ds-books-rc70 .book-opening__cover img{max-width:205px}
}