.blog-container[data-astro-cid-dya4pufl]{max-width:var(--max-w)}.subject-header-hero[data-astro-cid-dya4pufl]{margin-bottom:40px;padding-bottom:24px;border-bottom:1.5px solid var(--color-border)}.subject-title-row[data-astro-cid-dya4pufl]{display:flex;align-items:center;gap:16px;margin-bottom:12px}.subject-hero-emoji[data-astro-cid-dya4pufl]{font-size:2.5rem}.subject-title-text[data-astro-cid-dya4pufl]{font-size:clamp(2rem,4.5vw,2.8rem);font-weight:800;letter-spacing:-.02em;margin:0}.subject-hero-desc[data-astro-cid-dya4pufl]{color:var(--color-ink-soft);font-size:1.1rem;line-height:1.6;max-width:780px;margin-bottom:16px}.subject-meta-bar[data-astro-cid-dya4pufl]{display:flex;align-items:center;gap:12px;font-size:.82rem;font-weight:700;color:var(--color-ink-muted)}.meta-divider[data-astro-cid-dya4pufl]{color:var(--color-border)}.subject-layout-grid[data-astro-cid-dya4pufl]{display:grid;grid-template-columns:1fr 320px;gap:40px}@media(max-width:900px){.subject-layout-grid[data-astro-cid-dya4pufl]{grid-template-columns:1fr}}.strand-filter-bar[data-astro-cid-dya4pufl]{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:36px;border-bottom:1px solid var(--color-border);padding-bottom:20px}.filter-tab[data-astro-cid-dya4pufl]{font-family:var(--font-body);font-size:.82rem;font-weight:700;padding:8px 18px;border-radius:100px;border:1px solid var(--color-border);background:var(--color-white);color:var(--color-ink-soft);cursor:pointer;transition:all .2s ease}.filter-tab[data-astro-cid-dya4pufl]:hover{border-color:var(--color-ink-soft);color:var(--color-ink)}.filter-tab[data-astro-cid-dya4pufl].active{background:var(--color-ink);color:var(--color-white);border-color:var(--color-ink)}.strand-section[data-astro-cid-dya4pufl]{margin-bottom:48px}.strand-heading[data-astro-cid-dya4pufl]{font-family:var(--font-display);font-size:1.45rem;font-weight:700;color:var(--color-ink);margin-bottom:20px;padding-bottom:8px;border-bottom:2px solid var(--color-border)}.strand-heading[data-astro-cid-dya4pufl].text-center{text-align:center}.blog-feed-list[data-astro-cid-dya4pufl]{display:flex;flex-direction:column;gap:24px}.topic-blog-card[data-astro-cid-dya4pufl]{background:var(--color-white);border:1.5px solid var(--color-border);border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column;gap:12px}.topic-blog-card[data-astro-cid-dya4pufl]:hover:not(.topic-card-disabled){transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--color-ink-muted)}.topic-card-disabled[data-astro-cid-dya4pufl]{opacity:.65}.card-inner-header[data-astro-cid-dya4pufl]{display:flex;align-items:center;gap:12px}.strand-badge-icon[data-astro-cid-dya4pufl]{font-size:1.4rem;display:flex;align-items:center;justify-content:center;background:var(--color-bg);width:36px;height:36px;border-radius:50%;border:1px solid var(--color-border)}.topic-meta[data-astro-cid-dya4pufl]{display:flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;color:var(--color-ink-muted)}.meta-tag[data-astro-cid-dya4pufl]{background:var(--color-bg);color:var(--color-ink-soft);padding:2px 8px;border-radius:4px;font-weight:800;border:1px solid var(--color-border)}.topic-card-title[data-astro-cid-dya4pufl]{font-size:1.3rem;font-weight:800;margin:0;line-height:1.3}.topic-card-title[data-astro-cid-dya4pufl] a[data-astro-cid-dya4pufl]{color:var(--color-ink);text-decoration:none;transition:color .15s}.topic-card-title[data-astro-cid-dya4pufl] a[data-astro-cid-dya4pufl]:hover{color:var(--color-green)}.topic-card-excerpt[data-astro-cid-dya4pufl]{color:var(--color-ink-soft);font-size:.94rem;line-height:1.6;margin:0}.topic-card-tags[data-astro-cid-dya4pufl]{display:flex;flex-wrap:wrap;gap:8px;margin-block:4px}.tag-pill[data-astro-cid-dya4pufl]{font-size:.74rem;font-weight:700;color:var(--color-ink-muted)}.paper-pill[data-astro-cid-dya4pufl]{font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:4px}.p1-pill[data-astro-cid-dya4pufl]{background:#fef9c3;color:#713f12}.p2-pill[data-astro-cid-dya4pufl]{background:#e0e7ff;color:#3730a3}.topic-card-footer[data-astro-cid-dya4pufl]{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--color-border);padding-top:16px;margin-top:8px}.author-credits[data-astro-cid-dya4pufl]{font-size:.76rem;color:var(--color-ink-muted);font-weight:600}.soon-badge[data-astro-cid-dya4pufl]{font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;padding:4px 12px;border-radius:100px;background:var(--color-border);color:var(--color-ink-muted)}.learn-link[data-astro-cid-dya4pufl]{font-size:.84rem;font-weight:800;padding:8px 16px;border-radius:100px;text-decoration:none;transition:transform .15s,box-shadow .15s}.learn-link[data-astro-cid-dya4pufl]:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-solid-blue[data-astro-cid-dya4pufl]{background:var(--color-blue);color:var(--color-white)}.btn-solid-gold[data-astro-cid-dya4pufl]{background:var(--color-gold);color:var(--color-white)}.btn-solid-green[data-astro-cid-dya4pufl]{background:var(--color-green);color:var(--color-white)}.btn-solid-pink[data-astro-cid-dya4pufl]{background:var(--color-pink);color:var(--color-white)}.subject-sidebar[data-astro-cid-dya4pufl]{display:flex;flex-direction:column;gap:24px}.sidebar-widget[data-astro-cid-dya4pufl]{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm)}.sticky-widget[data-astro-cid-dya4pufl]{position:sticky;top:100px}.widget-title[data-astro-cid-dya4pufl]{font-size:1.05rem;font-weight:800;color:var(--color-ink);margin-bottom:16px;border-bottom:1.5px solid var(--color-border);padding-bottom:8px}.component-list[data-astro-cid-dya4pufl]{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.component-item[data-astro-cid-dya4pufl]{display:flex;justify-content:space-between;font-size:.86rem;font-weight:700}.component-name[data-astro-cid-dya4pufl]{color:var(--color-ink-soft)}.component-score[data-astro-cid-dya4pufl]{color:var(--color-ink)}.component-note[data-astro-cid-dya4pufl]{font-size:.76rem;color:var(--color-ink-muted);line-height:1.5}.video-preview-card[data-astro-cid-dya4pufl]{display:block;position:relative;border-radius:var(--radius-sm);overflow:hidden;line-height:0;border:1px solid var(--color-border);transition:transform .2s}.video-preview-card[data-astro-cid-dya4pufl]:hover{transform:scale(1.02)}.video-thumb[data-astro-cid-dya4pufl]{width:100%;aspect-ratio:16/9;object-fit:cover}.video-thumb-fallback[data-astro-cid-dya4pufl]{width:100%;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;background:var(--color-ink);color:var(--color-white);font-size:1rem;font-weight:700}.video-overlay-play[data-astro-cid-dya4pufl]{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);opacity:.9;transition:opacity .2s}.video-preview-card[data-astro-cid-dya4pufl]:hover .video-overlay-play[data-astro-cid-dya4pufl]{opacity:1}.video-play-text[data-astro-cid-dya4pufl]{display:block;line-height:1.4;text-align:center;padding-block:10px;background:var(--color-bg);color:var(--color-ink);font-size:.78rem;font-weight:800}.strand-links[data-astro-cid-dya4pufl]{list-style:none;display:flex;flex-direction:column;gap:8px}.strand-nav-link[data-astro-cid-dya4pufl]{font-size:.88rem;color:var(--color-ink-soft);text-decoration:none;font-weight:600;transition:color .15s;display:block;padding-block:2px}.strand-nav-link[data-astro-cid-dya4pufl]:hover{color:var(--color-green)}.font-bold[data-astro-cid-dya4pufl]{font-weight:800}.subject-faqs-section[data-astro-cid-dya4pufl]{margin-top:80px;border-top:1.5px solid var(--color-border);padding-top:64px}.faq-list[data-astro-cid-dya4pufl]{max-width:760px;margin-inline:auto;display:flex;flex-direction:column;gap:12px;margin-top:48px!important}.faq-item[data-astro-cid-dya4pufl]{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.faq-trigger[data-astro-cid-dya4pufl]{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 24px;background:transparent;border:none;text-align:left;font-size:.98rem;font-weight:700;color:var(--color-ink);cursor:pointer;transition:background-color .15s}.faq-trigger[data-astro-cid-dya4pufl]:hover{background-color:var(--color-bg)}.faq-icon[data-astro-cid-dya4pufl]{color:var(--color-ink-muted);transition:transform .25s ease}.faq-trigger[data-astro-cid-dya4pufl][aria-expanded=true] .faq-icon[data-astro-cid-dya4pufl]{transform:rotate(180deg)}.faq-panel[data-astro-cid-dya4pufl]{max-height:0;overflow:hidden;transition:max-height .25s cubic-bezier(0,1,0,1)}.faq-panel[data-astro-cid-dya4pufl]:not([hidden]){max-height:1000px;transition:max-height .25s cubic-bezier(1,0,1,0)}.faq-content[data-astro-cid-dya4pufl]{padding:0 24px 20px;font-size:.88rem;color:var(--color-ink-soft);line-height:1.6;border-top:1px solid transparent}.faq-trigger[data-astro-cid-dya4pufl][aria-expanded=true]+.faq-panel[data-astro-cid-dya4pufl] .faq-content[data-astro-cid-dya4pufl]{border-top-color:var(--color-border)}