.docs-center-page .product-detail{padding:var(--space-2xl) 0}.docs-filter{display:flex;gap:var(--space-md);margin-bottom:var(--space-xl);flex-wrap:wrap;align-items:flex-end}.filter-group{display:flex;flex-direction:column;gap:var(--space-xs)}.filter-group label{font-size:13px;font-weight:500;color:var(--color-text-secondary)}.filter-group select{padding:10px 14px;font-size:14px;border:1px solid #CBD5E1;border-radius:var(--radius-md);min-width:180px;font-family:var(--font-sans);background:var(--color-white)}.search-box{flex:1;min-width:200px}.search-box input{width:100%;padding:10px 14px;font-size:14px;border:1px solid #CBD5E1;border-radius:var(--radius-md);font-family:var(--font-sans)}.doc-list{display:flex;flex-direction:column;gap:var(--space-md)}.doc-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all 0.2s}.doc-item:hover{box-shadow:var(--shadow-sm);border-color:var(--color-primary)}.doc-info{display:flex;align-items:center;gap:var(--space-md)}.doc-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--color-primary);color:var(--color-white);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}.doc-name{font-size:15px;font-weight:500;color:var(--color-text)}.doc-meta{font-size:12px;color:var(--color-text-secondary);margin-top:2px}.doc-lang-tag{display:inline-block;background:#EBF4FF;color:var(--color-primary);padding:2px 8px;border-radius:4px;font-size:11px;margin-left:var(--space-sm)}@media (max-width:768px){.doc-item{flex-direction:column;align-items:flex-start;gap:12px}}