/* CONCRETTA V291 — catalogue as a technical-style document library */
:root{--cat291-shell:min(1180px,calc(100% - 64px));--cat291-ink:#29241f;--cat291-muted:#706961;--cat291-line:rgba(41,36,31,.14);--cat291-paper:#f7f5f1;--cat291-soft:#eee9e1;--cat291-accent:#9b8054}
.cat291-shell{width:var(--cat291-shell);margin:0 auto}.cat291-library{padding:0 0 94px;background:#f7f5f1;color:var(--cat291-ink)}
.cat291-intro{display:grid;grid-template-columns:220px minmax(0,1fr);gap:52px;padding:62px 0 38px;border-bottom:1px solid var(--cat291-line)}.cat291-intro .cat291-kicker{margin:6px 0 0;font:600 10px/1.2 Arial,Helvetica,sans-serif;letter-spacing:.17em;color:var(--cat291-accent)}.cat291-intro h2{max-width:720px;margin:0;font-size:clamp(29px,3vw,40px);line-height:1.08;letter-spacing:-.03em;font-weight:400}.cat291-intro>p:last-child{grid-column:2;max-width:760px;margin:0;font:400 14px/1.75 Arial,Helvetica,sans-serif;color:var(--cat291-muted)}
.cat291-jump{display:flex;flex-wrap:wrap;gap:0;border-bottom:1px solid var(--cat291-line)}.cat291-jump a{padding:17px 22px 16px 0;margin-right:26px;color:#3c3630!important;text-decoration:none!important;font:500 12.5px/1.2 Arial,Helvetica,sans-serif;border-bottom:2px solid transparent}.cat291-jump a:hover,.cat291-jump a:focus-visible{border-bottom-color:#ad9162;color:#1f1b18!important}
.cat291-group{display:grid;grid-template-columns:220px minmax(0,1fr);gap:52px;padding:34px 0;border-bottom:1px solid var(--cat291-line);scroll-margin-top:105px}.cat291-group-head{display:flex;align-items:flex-start;gap:18px;padding-top:13px}.cat291-group-head span{font:600 10px/1.2 Arial,Helvetica,sans-serif;letter-spacing:.12em;color:#9b8054}.cat291-group-head h3{margin:0;font:400 21px/1.2 Arial,Helvetica,sans-serif;color:#332e29}.cat291-docs{border-top:1px solid var(--cat291-line)}
.cat291-doc{display:grid;grid-template-columns:70px minmax(0,1fr) 72px;gap:22px;align-items:center;padding:16px 2px;border-bottom:1px solid var(--cat291-line);color:inherit!important;text-decoration:none!important;transition:background .18s ease,padding .18s ease}.cat291-doc:hover,.cat291-doc:focus-visible{background:#eee9e1;padding-left:12px;padding-right:12px}.cat291-cover{display:block;width:58px;height:72px;background:#ddd6cc;overflow:hidden;border:1px solid rgba(41,36,31,.1)}.cat291-cover img{display:block;width:100%;height:100%;object-fit:cover}.cat291-doc-copy{display:flex;flex-direction:column;min-width:0}.cat291-doc-copy small{font:600 9.5px/1.2 Arial,Helvetica,sans-serif;letter-spacing:.14em;color:#967b50}.cat291-doc-copy strong{margin-top:5px;font:500 16px/1.25 Arial,Helvetica,sans-serif}.cat291-doc-copy>span{margin-top:4px;font:400 12.5px/1.45 Arial,Helvetica,sans-serif;color:#746d65}.cat291-doc-meta{display:flex;align-items:center;justify-content:flex-end;gap:12px}.cat291-doc-meta b{font:600 10px/1 Arial,Helvetica,sans-serif;letter-spacing:.14em;color:#806a48}.cat291-doc-meta i{font-style:normal;font-size:17px}
.cat291-note{margin-top:32px;padding:22px 0;border-top:1px solid var(--cat291-line);font:400 13px/1.65 Arial,Helvetica,sans-serif;color:#6d665e}.cat291-note a{color:#302a25!important;text-decoration:none!important;border-bottom:1px solid #ad9162}
@media(max-width:900px){:root{--cat291-shell:min(100% - 40px,1180px)}.cat291-intro,.cat291-group{grid-template-columns:1fr;gap:15px}.cat291-intro>p:last-child{grid-column:1}.cat291-group-head{padding-top:0}.cat291-jump{overflow:auto;flex-wrap:nowrap}.cat291-jump a{white-space:nowrap}}
@media(max-width:620px){:root{--cat291-shell:calc(100% - 28px)}.cat291-library{padding-bottom:68px}.cat291-intro{padding:48px 0 28px}.cat291-jump a{padding:14px 18px 13px 0;margin-right:20px}.cat291-group{padding:28px 0}.cat291-doc{grid-template-columns:54px minmax(0,1fr) 34px;gap:14px}.cat291-cover{width:48px;height:60px}.cat291-doc-copy strong{font-size:15px}.cat291-doc-meta b{display:none}}