.knowledge-shell{display:grid;gap:24px}
.knowledge-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.knowledge-toolbar input{min-width:min(100%,280px);border:1px solid #cbd5df;border-radius:6px;padding:10px 12px;background:#fff}
.knowledge-category{display:grid;gap:14px}
.knowledge-category-head{display:flex;align-items:end;justify-content:space-between;gap:16px}
.knowledge-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.knowledge-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px;display:grid;gap:8px;box-shadow:var(--shadow)}
.knowledge-card h3{font-size:18px;margin:0}
.knowledge-card p{margin:0;color:var(--muted)}
.knowledge-card .knowledge-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px;color:var(--muted)}
.knowledge-card .knowledge-chip{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:#eef4f9;color:#3b5873}
.knowledge-muted{font-size:12px;color:var(--muted);line-height:1.5}
.knowledge-detail-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:24px;align-items:start}
.knowledge-detail-body{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px;box-shadow:var(--shadow)}
.knowledge-detail-body h2{margin-top:22px}
.knowledge-detail-body ul{padding-left:22px}
.knowledge-related{display:grid;gap:12px}
.knowledge-related a{display:block;border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:#fff}
.knowledge-side{display:grid;gap:14px}
.knowledge-side .notice{margin:0}

@media (max-width:1080px){
  .knowledge-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .knowledge-detail-layout{grid-template-columns:1fr}
}

@media (max-width:760px){
  .knowledge-grid{grid-template-columns:1fr}
  .knowledge-category-head,.knowledge-toolbar{display:grid}
  .knowledge-toolbar input{min-width:0;width:100%}
  .knowledge-detail-layout,.knowledge-detail-body,.knowledge-side,.knowledge-side .notice,.knowledge-side .contact-info-box,.knowledge-related,.knowledge-related a{min-width:0;width:100%;max-width:100%}
  .knowledge-detail-body{overflow-wrap:anywhere}
  .knowledge-article-footer .btn{white-space:normal;overflow-wrap:anywhere}
  .mobile-actions{width:100%;max-width:100vw}
}

.knowledge-article-footer{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:18px}
.knowledge-section{margin-top:22px}
.knowledge-section h2{margin-bottom:10px}
.knowledge-section p{margin:0 0 12px}
.knowledge-section ul{margin:0 0 12px}
.knowledge-table-wrap{overflow-x:auto;margin:0 0 12px}
.knowledge-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.knowledge-table th,.knowledge-table td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;font-size:14px}
.knowledge-table th{background:#f8fbfd;color:var(--blue);white-space:nowrap}
.knowledge-tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 4px}
.knowledge-tags span{display:inline-flex;align-items:center;border:1px solid #dbe7f2;background:#f8fbfd;color:#285372;border-radius:999px;padding:5px 10px;font-size:12px}
.knowledge-relation-panel{margin-top:24px;border:1px solid var(--line);border-radius:10px;background:#f8fbfd;padding:16px}
.knowledge-relation-panel h2{margin-top:0}
.knowledge-relation-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.knowledge-relation-grid a{display:grid;gap:6px;border:1px solid #dbe7f2;border-radius:8px;background:#fff;padding:12px}
.knowledge-relation-grid span{font-size:12px;color:var(--muted);line-height:1.5}

@media (max-width:760px){
  .knowledge-relation-grid{grid-template-columns:1fr}
}