.topic-index[data-astro-cid-szu2m4s7]{padding:4rem 1.5rem;position:relative}.topic-index-inner[data-astro-cid-szu2m4s7]{max-width:var(--maxWidth, 1280px);margin:0 auto}.topic-index-heading[data-astro-cid-szu2m4s7]{font-size:clamp(1.875rem,4vw,2.5rem);font-weight:700;color:var(--textColor, #fff);margin-bottom:.75rem;letter-spacing:-.02em}.topic-index-sub[data-astro-cid-szu2m4s7]{font-size:1.0625rem;color:var(--textMutedColor, #94a3b8);max-width:44rem;line-height:1.65;margin-bottom:2.5rem}.topic-index-grid[data-astro-cid-szu2m4s7]{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}@media (max-width: 1024px){.topic-index-grid[data-astro-cid-szu2m4s7]{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.topic-index-grid[data-astro-cid-szu2m4s7]{grid-template-columns:1fr}}.topic-index-card[data-astro-cid-szu2m4s7]{display:flex;flex-direction:column;text-decoration:none;color:inherit;padding:1.25rem;transition:transform .2s,border-color .2s,box-shadow .2s}.topic-index-card[data-astro-cid-szu2m4s7]:hover{transform:translateY(-3px);border-color:#ffffff26;box-shadow:var(--cardHoverShadow, 0 20px 60px rgba(0,0,0,.3))}.topic-index-card-img[data-astro-cid-szu2m4s7]{aspect-ratio:16/9;overflow:hidden;margin:-1.25rem -1.25rem 1rem;border-radius:var(--borderRadius, 1rem) var(--borderRadius, 1rem) 0 0}.topic-index-card-img[data-astro-cid-szu2m4s7] img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.topic-index-card[data-astro-cid-szu2m4s7]:hover .topic-index-card-img[data-astro-cid-szu2m4s7] img{transform:scale(1.04)}.topic-index-card-body[data-astro-cid-szu2m4s7]{display:flex;flex-direction:column;gap:.5rem;flex:1}.topic-index-card-title[data-astro-cid-szu2m4s7]{font-size:1.0625rem;font-weight:700;color:var(--textColor, #fff);line-height:1.35;transition:color .15s}.topic-index-card[data-astro-cid-szu2m4s7]:hover .topic-index-card-title[data-astro-cid-szu2m4s7]{color:var(--accentColor, #10b981)}.topic-index-card-desc[data-astro-cid-szu2m4s7]{font-size:.875rem;color:var(--textMutedColor, #94a3b8);line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.topic-index-card-arrow[data-astro-cid-szu2m4s7]{display:inline-flex;align-items:center;gap:.375rem;margin-top:auto;padding-top:.75rem;font-size:.875rem;font-weight:600;color:var(--accentColor, #10b981);transition:gap .2s}.topic-index-card[data-astro-cid-szu2m4s7]:hover .topic-index-card-arrow[data-astro-cid-szu2m4s7]{gap:.625rem}.topic-index-list[data-astro-cid-szu2m4s7]{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}.topic-index-list-link[data-astro-cid-szu2m4s7]{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;background:var(--glassBg, rgba(255,255,255,.04));border:1px solid var(--glassBorder, rgba(255,255,255,.08));border-radius:var(--borderRadius, 1rem);text-decoration:none;color:inherit;transition:border-color .15s,background .15s}.topic-index-list-link[data-astro-cid-szu2m4s7]:hover{border-color:#ffffff2e;background:#ffffff0f}.topic-index-list-img[data-astro-cid-szu2m4s7]{width:4.5rem;height:4.5rem;flex-shrink:0;overflow:hidden;border-radius:.5rem}.topic-index-list-img[data-astro-cid-szu2m4s7] img{width:100%;height:100%;object-fit:cover}.topic-index-list-text[data-astro-cid-szu2m4s7]{flex:1;min-width:0}.topic-index-list-title[data-astro-cid-szu2m4s7]{font-size:1rem;font-weight:600;color:var(--textColor, #fff);margin-bottom:.25rem;transition:color .15s}.topic-index-list-link[data-astro-cid-szu2m4s7]:hover .topic-index-list-title[data-astro-cid-szu2m4s7]{color:var(--accentColor, #10b981)}.topic-index-list-desc[data-astro-cid-szu2m4s7]{font-size:.875rem;color:var(--textMutedColor, #94a3b8);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.topic-index-list-arrow[data-astro-cid-szu2m4s7]{flex-shrink:0;color:var(--textMutedColor, #94a3b8);transition:color .15s,transform .2s}.topic-index-list-link[data-astro-cid-szu2m4s7]:hover .topic-index-list-arrow[data-astro-cid-szu2m4s7]{color:var(--accentColor, #10b981);transform:translate(3px)}