.search-section-wrap{max-width:640px;position:relative}.search-input-wrap{background:var(--color-surface);border:1px solid var(--color-hairline-strong);border-radius:var(--radius-md);align-items:center;gap:10px;height:52px;padding:0 14px;display:flex}.search-input-wrap:focus-within{border-color:var(--color-brand);box-shadow:0 0 0 3px var(--color-brand-soft)}.search-input-wrap .search-icon{color:var(--color-ink-muted);flex-shrink:0}.search-input-wrap input{min-width:0;font:inherit;color:var(--color-ink);background:0 0;border:none;outline:none;flex:1;font-size:16px}.search-input-wrap input::-webkit-search-decoration{-webkit-appearance:none}.search-input-wrap input::-webkit-search-cancel-button{-webkit-appearance:none}.search-input-wrap input::placeholder{color:var(--color-ink-faint)}.typeahead-dropdown{z-index:40;background:var(--color-surface);border:1px solid var(--color-hairline);border-radius:var(--radius-md);box-shadow:var(--shadow-float);max-height:420px;padding:4px;position:absolute;top:calc(100% + 6px);left:0;right:0;overflow-y:auto}.typeahead-list{display:grid}.typeahead-item{border-radius:var(--radius-sm);color:var(--color-ink);gap:2px;padding:10px 12px;display:grid}.typeahead-item:hover,.typeahead-item:focus-visible{background:var(--color-sunken);color:var(--color-ink)}.typeahead-head{align-items:baseline;gap:10px;min-width:0;display:flex}.typeahead-code{font-family:var(--font-mono);color:var(--color-ink-muted);flex-shrink:0;font-size:13px}.typeahead-title{text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:600;overflow:hidden}.typeahead-meta{color:var(--color-ink-muted);font-size:14px}.typeahead-empty{color:var(--color-ink-muted);padding:14px;font-size:15px}.sem-filter-scroller{scrollbar-width:none;align-items:center;gap:6px;display:flex;overflow-x:auto}.sem-filter-scroller::-webkit-scrollbar{display:none}.sem-pill{border-radius:var(--radius-sm);background:var(--color-surface);border:1px solid var(--color-hairline);color:var(--color-ink-secondary);white-space:nowrap;padding:6px 12px;font-size:14px;font-weight:500}@media (pointer:coarse){.sem-pill{align-items:center;min-height:44px;display:inline-flex}}.sem-pill:hover{border-color:var(--color-hairline-strong);color:var(--color-ink)}.sem-pill.active{background:var(--color-ink);color:#fff;border-color:var(--color-ink)}.breadcrumb-bar[data-astro-cid-l2eor3gp]{padding-block:18px 0}.hub[data-astro-cid-l2eor3gp]{grid-template-columns:minmax(0,1fr);gap:40px;padding-block:14px 64px;display:grid}.hub-header[data-astro-cid-l2eor3gp]{gap:10px;max-width:760px;margin-bottom:-16px;display:grid}.title[data-astro-cid-l2eor3gp]{font-family:var(--font-display);letter-spacing:-.4px;color:var(--color-ink);margin:0;font-size:clamp(30px,4vw,40px);font-weight:600;line-height:1.15}.intro[data-astro-cid-l2eor3gp]{color:var(--color-ink-secondary);margin:0;font-size:17px;line-height:1.6}.clear-search[data-astro-cid-l2eor3gp]{color:var(--color-ink-muted);background:0 0;border:none;padding:4px;display:none}.typeahead-hidden[data-astro-cid-l2eor3gp]{display:none}.block[data-astro-cid-l2eor3gp],.section[data-astro-cid-l2eor3gp]{grid-template-columns:minmax(0,1fr);gap:16px;display:grid}.section-header[data-astro-cid-l2eor3gp]{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 20px;display:flex}.section-title[data-astro-cid-l2eor3gp]{font-family:var(--font-display);color:var(--color-ink);margin:0;font-size:24px;font-weight:600}.section-intro[data-astro-cid-l2eor3gp]{color:var(--color-ink-muted);margin:0;font-size:15px}.branch-grid[data-astro-cid-l2eor3gp]{border-top:2px solid var(--color-ink);grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px;margin:0;padding:0;list-style:none;display:grid}.branch-card[data-astro-cid-l2eor3gp]{border-bottom:1px solid var(--color-hairline);color:var(--color-ink);grid-template-columns:1fr auto;gap:4px 16px;height:100%;padding:16px 0;display:grid}a[data-astro-cid-l2eor3gp].branch-card:hover .card-title[data-astro-cid-l2eor3gp]{color:var(--color-brand);text-underline-offset:3px;text-decoration:underline}.card-title[data-astro-cid-l2eor3gp]{font-size:18px;font-weight:600}.card-code[data-astro-cid-l2eor3gp]{color:var(--color-ink-muted);white-space:nowrap;align-self:baseline;font-size:14px}.card-text[data-astro-cid-l2eor3gp]{color:var(--color-ink-secondary);grid-column:1/-1;font-size:15px;line-height:1.5}.branch-card-curation[data-astro-cid-l2eor3gp] .card-title[data-astro-cid-l2eor3gp]{color:var(--color-ink-muted)}.hub-sem-index[data-astro-cid-l2eor3gp]{border-bottom:1px solid var(--color-hairline);flex-wrap:wrap;gap:6px 18px;padding-bottom:12px;font-size:15px;font-weight:600;display:flex}.hub-sem-group[data-astro-cid-l2eor3gp]{grid-template-columns:minmax(0,1fr);gap:6px;scroll-margin-top:80px;display:grid}.hub-sem-title[data-astro-cid-l2eor3gp]{color:var(--color-ink);margin:12px 0 0;font-size:17px;font-weight:600}.hub-sem-title[data-astro-cid-l2eor3gp] span[data-astro-cid-l2eor3gp]{color:var(--color-ink-muted);margin-left:6px;font-size:14px;font-weight:400}.subject-hubs-grid[data-astro-cid-l2eor3gp]{grid-template-columns:repeat(auto-fill,minmax(min(340px,100%),1fr));column-gap:32px;margin:0;padding:0;list-style:none;display:grid}.subject-hub-card[data-astro-cid-l2eor3gp]{border-bottom:1px solid var(--color-hairline);color:var(--color-ink);justify-content:space-between;align-items:baseline;gap:12px;min-width:0;padding:9px 0;display:flex}.subject-hub-card[data-astro-cid-l2eor3gp]:hover .hub-card-name[data-astro-cid-l2eor3gp]{color:var(--color-brand);text-underline-offset:3px;text-decoration:underline}.hub-card-name[data-astro-cid-l2eor3gp]{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:15.5px;font-weight:500;overflow:hidden}.hub-card-code[data-astro-cid-l2eor3gp]{font-family:var(--font-mono);color:var(--color-ink-muted);flex-shrink:0;font-size:13px}.paper-count[data-astro-cid-l2eor3gp]{color:var(--color-ink-muted);margin-top:4px;font-size:14px;display:block}.filter-label[data-astro-cid-l2eor3gp]{color:var(--color-ink-secondary);margin-right:4px;font-size:14px;font-weight:600}.catalog-grid[data-astro-cid-l2eor3gp]{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;display:grid}.no-results[data-astro-cid-l2eor3gp]{text-align:center;border:1px dashed var(--color-hairline-strong);border-radius:var(--radius-md);padding:40px 24px;display:none}.no-results-title[data-astro-cid-l2eor3gp]{margin:0 0 6px;font-size:17px;font-weight:600}.no-results-text[data-astro-cid-l2eor3gp]{max-width:48ch;color:var(--color-ink-muted);margin:0 auto 16px;font-size:15px}.reset-btn[data-astro-cid-l2eor3gp]{border-radius:var(--radius-sm);background:var(--color-ink);color:#fff;border:none;padding:9px 18px;font-size:14px;font-weight:600}.pagination[data-astro-cid-l2eor3gp]{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;padding-top:12px;display:flex}.pagination-link-btn[data-astro-cid-l2eor3gp],.page-current[data-astro-cid-l2eor3gp]{border-radius:var(--radius-sm);justify-content:center;align-items:center;gap:6px;min-width:40px;height:40px;padding:0 12px;font-size:15px;font-weight:500;display:inline-flex}.pagination-link-btn[data-astro-cid-l2eor3gp]{background:var(--color-surface);border:1px solid var(--color-hairline);color:var(--color-ink)}.pagination-link-btn[data-astro-cid-l2eor3gp]:hover{border-color:var(--color-hairline-strong);color:var(--color-ink)}.page-current[data-astro-cid-l2eor3gp]{background:var(--color-ink);color:#fff;font-weight:600}.page-ellipsis[data-astro-cid-l2eor3gp]{color:var(--color-ink-muted);padding:0 4px}.faq[data-astro-cid-l2eor3gp]{gap:8px;max-width:760px;padding-top:24px;display:grid}.faq-title[data-astro-cid-l2eor3gp]{font-family:var(--font-display);margin:0;font-size:22px;font-weight:600}.faq-list[data-astro-cid-l2eor3gp]{border-top:1px solid var(--color-hairline-strong);display:grid}.faq-item[data-astro-cid-l2eor3gp]{border-bottom:1px solid var(--color-hairline);padding:14px 0}.faq-question[data-astro-cid-l2eor3gp]{cursor:pointer;font-size:16px;font-weight:600}.faq-answer[data-astro-cid-l2eor3gp]{color:var(--color-ink-secondary);margin:10px 0 0;font-size:16px;line-height:1.65}@media (width<=720px){.hub[data-astro-cid-l2eor3gp]{gap:32px}.branch-grid[data-astro-cid-l2eor3gp],.branch-card[data-astro-cid-l2eor3gp]{grid-template-columns:1fr}.card-text[data-astro-cid-l2eor3gp]{display:none}.intro[data-astro-cid-l2eor3gp]{font-size:16px}}