.qtqc-semantic-index .qtqc-group-jumps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:8px 0 24px}
.qtqc-semantic-index .qtqc-group-jumps a{display:flex;align-items:center;gap:10px;padding:14px 16px;border:1px solid var(--qtqc-line);border-radius:12px;background:var(--qtqc-paper);text-decoration:none;font-size:14px;font-weight:600;min-width:0}
.qtqc-group-jumps svg{width:24px;height:26px;flex:none}.qtqc-group-jumps small{margin-left:auto;color:var(--qtqc-muted);font-weight:400}
.qtqc-semantic-index .qtqc-catalog-note{font-size:14px;color:var(--qtqc-muted);margin:0 0 32px}
.qtqc-semantic-group{margin:0 0 40px;scroll-margin-top:190px}.qtqc-semantic-group-heading{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.qtqc-semantic-group-heading h2{font-size:26px;margin:0;line-height:1.35}.qtqc-semantic-group-heading p{font-size:14px;color:var(--qtqc-muted);margin:4px 0 0}
.qtqc-semantic-index .qtqc-category-grid{margin:0}.qtqc-semantic-index .qtqc-category-card .qtqc-category-image>svg{width:66px;height:70px;padding:6px;color:var(--qtqc-blue)}
.qtqc-semantic-index .qtqc-category-card strong{line-height:1.45}.qtqc-semantic-index .qtqc-category-card>span:last-child{font-size:12px}
.qtqc-catalog-sidebar .qtqc-grouped-sidebar section{margin:14px 0 0}.qtqc-catalog-sidebar .qtqc-grouped-sidebar h2{font-size:12px;line-height:1.5;letter-spacing:0;margin:8px 0;color:var(--qtqc-muted)}
.qtqc-semantic-help{border-top:1px solid var(--qtqc-line);padding-top:28px;margin:32px 0}.qtqc-semantic-help>h2{font-size:26px;line-height:1.4;margin:0 0 20px}
.qtqc-semantic-help-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.qtqc-semantic-help-grid article{background:var(--qtqc-paper);padding:22px;border-radius:12px;min-width:0}
.qtqc-semantic-help-grid h3{font-size:18px;line-height:1.45;margin:0 0 10px}.qtqc-semantic-help-grid p{font-size:14px;line-height:1.75;margin:0}.qtqc-semantic-help-grid a{text-decoration:underline;text-underline-offset:3px}
.qtqc-category-index .qtqc-reading-layout{display:block}.qtqc-category-index .qtqc-reading-layout>.qtqc-prose{max-width:none}
@media(max-width:800px){.qtqc-semantic-index .qtqc-group-jumps{grid-template-columns:repeat(2,minmax(0,1fr))}.qtqc-semantic-help-grid{grid-template-columns:1fr}.qtqc-semantic-group{scroll-margin-top:115px}.qtqc-semantic-group-heading h2,.qtqc-semantic-help>h2{font-size:24px}}
@media(max-width:380px){.qtqc-semantic-index .qtqc-group-jumps{grid-template-columns:1fr}.qtqc-semantic-group-heading h2{font-size:22px}}
.qtqc-home-category-more{margin:18px auto 0;padding:0 20px;text-align:center}.qtqc-home-category-more p{font-size:13px;color:var(--qtqc-brand-muted);margin:0 0 10px}.qtqc-home-category-more a{font-size:14px}
.qtqc-hub-children{margin:0 0 28px}.qtqc-hub-children>h2{font-size:24px;line-height:1.4;margin:0 0 10px}.qtqc-hub-children>p{font-size:14px;line-height:1.75;color:var(--qtqc-muted);margin:0 0 18px}.qtqc-hub-children-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.qtqc-hub-children-grid>a{display:block;padding:20px;border:1px solid var(--qtqc-line);border-radius:14px;background:var(--qtqc-paper);min-width:0;color:var(--qtqc-ink);text-decoration:none}.qtqc-hub-children-grid h3{font-size:18px;line-height:1.45;margin:0 0 10px}.qtqc-hub-children-grid p{font-size:14px;line-height:1.65;margin:0 0 12px}.qtqc-hub-children-grid span{font-size:13px;color:var(--qtqc-blue)}.qtqc-hub-children-grid>a:hover{border-color:var(--qtqc-blue)}.qtqc-hub-children-grid>a:focus-visible{outline:2px solid var(--qtqc-blue);outline-offset:3px}.qtqc-catalog-sidebar .qtqc-grouped-sidebar a.qtqc-sidebar-hub{font-size:13px;font-weight:700;color:var(--qtqc-blue);padding:8px 0;min-height:40px}
@media(max-width:600px){.qtqc-hub-children-grid{grid-template-columns:1fr}.qtqc-hub-children>h2{font-size:22px}}
/* Keep the catalogue introduction available without delaying mobile choices. */
.qtqc-compact-intro>summary{display:none}
.qtqc-category-guide>summary{list-style:none;cursor:default}
.qtqc-category-guide>summary::-webkit-details-marker{display:none}
.qtqc-category-guide>summary h2{font-size:26px;line-height:1.4;margin:0 0 22px}
@media(max-width:800px){
 .qtqc-site-ui .qtqc-catalog .qtqc-breadcrumb{flex-wrap:nowrap;white-space:nowrap;overflow-x:auto;gap:8px;padding:12px 0 6px;scrollbar-width:none}
 .qtqc-catalog .qtqc-breadcrumb::-webkit-scrollbar{display:none}
 .qtqc-catalog .qtqc-breadcrumb>[aria-current=page],.qtqc-catalog .qtqc-breadcrumb>span:nth-last-child(2){display:none}
 .qtqc-site-ui .qtqc-catalog .qtqc-page-heading{padding:8px 0 14px}
 .qtqc-catalog .qtqc-page-heading>.qtqc-eyebrow{display:none}
 .qtqc-site-ui .qtqc-catalog .qtqc-page-heading h1{font-size:26px;line-height:1.35;margin:0 0 8px}
 .qtqc-compact-intro>summary{display:list-item;cursor:pointer;color:var(--qtqc-blue);font-size:14px;line-height:1.5;padding:8px 0}
 .qtqc-site-ui .qtqc-catalog .qtqc-compact-intro p{font-size:15px;line-height:1.65;margin:4px 0 8px}
 .qtqc-site-ui .qtqc-catalog .qtqc-catalog-layout{gap:16px}
 .qtqc-catalog .qtqc-catalog-sidebar{padding:10px 14px;border-radius:12px}
 .qtqc-catalog-sidebar summary{font-size:14px;min-height:24px}
 .qtqc-hub-children{margin-bottom:18px}
 .qtqc-site-ui .qtqc-hub-children>h2{font-size:20px;margin:0 0 10px}
 .qtqc-hub-children>p{display:none}
 .qtqc-hub-children-grid{grid-template-columns:1fr;gap:8px}
 .qtqc-hub-children-grid>a{padding:12px 14px;border-radius:12px}
 .qtqc-hub-children-grid h3{font-size:16px;line-height:1.45;margin:0 0 4px}
 .qtqc-hub-children-grid p{display:none}
 .qtqc-hub-children-grid span{font-size:12px;line-height:1.5}
 .qtqc-site-ui .qtqc-catalog .qtqc-empty{padding:20px;border-radius:16px}
 .qtqc-site-ui .qtqc-catalog .qtqc-empty h2{font-size:20px;line-height:1.4}
 .qtqc-catalog .qtqc-empty p{font-size:15px;line-height:1.65}
 .qtqc-site-ui .qtqc-catalog .qtqc-category-guide{margin-top:28px;padding-top:0;border:1px solid var(--qtqc-line);border-radius:12px}
 .qtqc-category-guide>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;cursor:pointer;list-style:none}
 .qtqc-site-ui .qtqc-category-guide>summary h2{font-size:18px;line-height:1.45;margin:0}
 .qtqc-category-guide>summary:after{content:'+';color:var(--qtqc-blue);font-size:24px;flex:none}
 .qtqc-category-guide[open]>summary:after{content:'−'}
 .qtqc-category-guide>.qtqc-prose{padding:0 16px 16px;font-size:16px;line-height:1.75}
 .qtqc-category-guide>summary:focus-visible,.qtqc-compact-intro>summary:focus-visible{outline:2px solid var(--qtqc-blue);outline-offset:3px}
}