.sidebar-section{background:var(--card-bg);border-radius:var(--radius-xl);border:1px solid var(--card-border);padding:var(--spacing-5);margin-bottom:var(--spacing-6)}.sidebar-section h3{font-size:var(--font-size-sm);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);margin-bottom:var(--spacing-4)}.category-list{list-style:none;padding:0;margin:0}.category-link{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-2) var(--spacing-3);font-size:var(--font-size-sm);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:all var(--transition-fast)}.category-link:hover,.category-link.active{background:#0077b60d;color:var(--color-primary)}.category-link .count{font-size:var(--font-size-xs);color:var(--text-tertiary);background:var(--bg-tertiary);padding:var(--spacing-1) var(--spacing-2);border-radius:var(--radius-full)}.skeleton-link{background:none;pointer-events:none}.skeleton-text{display:inline-block;background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-secondary) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm);height:14px}.skeleton-count{display:inline-block;width:24px;height:20px;background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-secondary) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-full)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.page-header[data-astro-cid-h5q2y2v6]{padding:var(--spacing-12) 0;background:var(--bg-secondary);text-align:center}.page-header[data-astro-cid-h5q2y2v6] h1[data-astro-cid-h5q2y2v6]{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-3);color:var(--text-primary)}.page-header[data-astro-cid-h5q2y2v6] p[data-astro-cid-h5q2y2v6]{font-size:var(--font-size-lg);color:var(--text-secondary);max-width:600px;margin:0 auto}.articles-layout[data-astro-cid-h5q2y2v6]{display:grid;grid-template-columns:280px 1fr;gap:var(--spacing-8)}.articles-sidebar[data-astro-cid-h5q2y2v6]{position:sticky;top:calc(var(--header-height) + var(--spacing-6));height:fit-content}.sidebar-section[data-astro-cid-h5q2y2v6]{background:var(--card-bg);border-radius:var(--radius-xl);border:1px solid var(--card-border);padding:var(--spacing-5);margin-bottom:var(--spacing-6)}.sidebar-section[data-astro-cid-h5q2y2v6] h3[data-astro-cid-h5q2y2v6]{font-size:var(--font-size-sm);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);margin-bottom:var(--spacing-4)}.category-list[data-astro-cid-h5q2y2v6],.quick-links[data-astro-cid-h5q2y2v6]{list-style:none;padding:0;margin:0}.category-link[data-astro-cid-h5q2y2v6]{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-2) var(--spacing-3);font-size:var(--font-size-sm);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:all var(--transition-fast)}.category-link[data-astro-cid-h5q2y2v6]:hover,.category-link[data-astro-cid-h5q2y2v6].active{background:#0077b60d;color:var(--color-primary)}.category-link[data-astro-cid-h5q2y2v6] .count[data-astro-cid-h5q2y2v6]{font-size:var(--font-size-xs);color:var(--text-tertiary);background:var(--bg-tertiary);padding:var(--spacing-1) var(--spacing-2);border-radius:var(--radius-full)}.quick-links[data-astro-cid-h5q2y2v6] li[data-astro-cid-h5q2y2v6]{margin-bottom:var(--spacing-2)}.quick-links[data-astro-cid-h5q2y2v6] a[data-astro-cid-h5q2y2v6]{font-size:var(--font-size-sm);color:var(--text-secondary);text-decoration:none}.quick-links[data-astro-cid-h5q2y2v6] a[data-astro-cid-h5q2y2v6]:hover{color:var(--color-primary)}.articles-main[data-astro-cid-h5q2y2v6]{min-width:0}.articles-header[data-astro-cid-h5q2y2v6]{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-5);gap:var(--spacing-4)}.articles-count[data-astro-cid-h5q2y2v6]{font-size:var(--font-size-sm);color:var(--text-secondary);margin:0}.articles-sort[data-astro-cid-h5q2y2v6]{display:flex;align-items:center;gap:var(--spacing-2)}.articles-sort[data-astro-cid-h5q2y2v6] label[data-astro-cid-h5q2y2v6]{font-size:var(--font-size-sm);color:var(--text-secondary)}.articles-sort[data-astro-cid-h5q2y2v6] .form-select[data-astro-cid-h5q2y2v6]{width:auto;padding:var(--spacing-2) var(--spacing-4)}.articles-search[data-astro-cid-h5q2y2v6]{position:relative;margin-bottom:var(--spacing-6)}.articles-search[data-astro-cid-h5q2y2v6] .form-input[data-astro-cid-h5q2y2v6]{padding-left:var(--spacing-12)}.search-icon[data-astro-cid-h5q2y2v6]{position:absolute;left:var(--spacing-4);top:50%;transform:translateY(-50%);color:var(--text-tertiary)}.load-more[data-astro-cid-h5q2y2v6]{text-align:center;margin-top:var(--spacing-10)}@media (max-width: 1024px){.articles-layout[data-astro-cid-h5q2y2v6]{grid-template-columns:1fr}.articles-sidebar[data-astro-cid-h5q2y2v6]{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-4)}.sidebar-section[data-astro-cid-h5q2y2v6]{margin-bottom:0}}@media (max-width: 640px){.articles-sidebar[data-astro-cid-h5q2y2v6]{grid-template-columns:1fr}.articles-header[data-astro-cid-h5q2y2v6]{flex-direction:column;align-items:stretch}.articles-sort[data-astro-cid-h5q2y2v6]{width:100%}.articles-sort[data-astro-cid-h5q2y2v6] .form-select[data-astro-cid-h5q2y2v6]{flex:1}}