.knowledge-v28{display:flex;flex-direction:column;gap:16px;padding:4px 0}
.knowledge-v28 .kn-shell{display:flex;flex-direction:column;gap:16px}
.knowledge-v28 .kn-card{background:var(--panel,#fff);border:1px solid var(--line,#e3eaf3);border-radius:14px;box-shadow:0 1px 4px rgba(15,23,42,.04)}
.knowledge-v28 .kn-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 18px;border-bottom:1px solid var(--line,#e3eaf3)}
.knowledge-v28 .kn-head h3{margin:0;font-size:15px;color:var(--text,#1e2c3c)}
.knowledge-v28 .kn-head p{margin:3px 0 0;font-size:12px;color:var(--muted,#7a8ba3)}
.knowledge-v28 .kn-body{padding:16px 18px}
.knowledge-v28 .kn-search{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}
.knowledge-v28 .kn-search input,.knowledge-v28 .kn-search select{border:1px solid var(--line,#d9e2ee);border-radius:9px;padding:9px 12px;font-size:13px;color:var(--text,#1e2c3c);background:var(--panel,#fff);outline:none}
.knowledge-v28 .kn-search input:focus,.knowledge-v28 .kn-search select:focus{border-color:var(--primary,#2563eb)}
.knowledge-v28 .kn-search input[type="text"]{flex:1;min-width:200px}
.knowledge-v28 .kn-btn{border:1px solid var(--line,#d9e2ee);background:var(--panel,#fff);color:var(--text,#2c3a4e);border-radius:9px;padding:9px 16px;font-size:13px;cursor:pointer;font-weight:600}
.knowledge-v28 .kn-btn:hover{border-color:var(--primary,#2563eb);color:var(--primary,#2563eb)}
.knowledge-v28 .kn-btn.primary{background:var(--primary,#2563eb);border-color:var(--primary,#2563eb);color:#fff}
.knowledge-v28 .kn-btn.danger{color:#d64545}
.knowledge-v28 .kn-btn.small{padding:5px 11px;font-size:12px}
.knowledge-v28 .kn-list{display:flex;flex-direction:column;gap:12px}
.knowledge-v28 .kn-item{border:1px solid var(--line,#e8eef6);border-radius:12px;padding:14px 16px;background:var(--panel,#fbfcfe);display:flex;align-items:stretch;gap:12px}
.knowledge-v28 .kn-item-main{flex:1;min-width:0;cursor:pointer}
.knowledge-v28 .kn-item-main:hover .kn-question{color:var(--primary,#2563eb)}
.knowledge-v28 .kn-item-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.knowledge-v28 .kn-item-tags{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.knowledge-v28 .kn-item-actions{display:flex;flex-direction:column;gap:6px;justify-content:center;flex-shrink:0}
.knowledge-v28 .kn-sku{font-weight:700;color:var(--primary,#2563eb);font-size:14px}
.knowledge-v28 .kn-pcat{font-size:11px;padding:3px 10px;border-radius:999px;background:#f0f4f8;color:#4a5c72}
.knowledge-v28 .kn-cat{font-size:11px;padding:3px 10px;border-radius:999px;background:var(--primary-soft,#eef5ff);color:var(--primary,#1d5fd0)}
.knowledge-v28 .kn-question{font-size:14px;color:var(--text,#1e2c3c);font-weight:600;margin:0 0 6px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.knowledge-v28 .kn-solution{font-size:13px;color:var(--muted,#4a5c72);line-height:1.7;margin:0;white-space:pre-wrap}
.knowledge-v28 .kn-meta{font-size:11px;color:var(--muted,#94a5ba);margin-top:10px}
.knowledge-v28 .kn-actions{display:flex;gap:8px}
.knowledge-v28 .kn-empty{padding:40px;text-align:center;color:var(--muted,#94a5ba);font-size:13px}
.knowledge-v28 .kn-modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;z-index:1000}
.knowledge-v28 .kn-modal.hidden{display:none}
.knowledge-v28 .kn-dialog{background:var(--panel,#fff);border-radius:14px;width:min(560px,92vw);max-height:90vh;overflow:auto;box-shadow:0 20px 50px rgba(15,23,42,.2)}
.knowledge-v28 .kn-dialog.kn-dialog-wide{width:min(820px,94vw)}
.knowledge-v28 .kn-dialog-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line,#e3eaf3)}
.knowledge-v28 .kn-dialog-head h3{margin:0;font-size:15px;color:var(--text,#1e2c3c)}
.knowledge-v28 .kn-dialog-body{padding:16px 18px;display:flex;flex-direction:column;gap:12px}
.knowledge-v28 .kn-field label{display:block;font-size:12px;color:var(--muted,#6b7f97);font-weight:600;margin-bottom:5px}
.knowledge-v28 .kn-field input,.knowledge-v28 .kn-field select,.knowledge-v28 .kn-field textarea{width:100%;border:1px solid var(--line,#d9e2ee);border-radius:9px;padding:9px 12px;font-size:13px;color:var(--text,#1e2c3c);background:var(--panel,#fff);outline:none;box-sizing:border-box}
.knowledge-v28 .kn-field textarea{resize:vertical;min-height:80px;line-height:1.6}
.knowledge-v28 .kn-field input:focus,.knowledge-v28 .kn-field select:focus,.knowledge-v28 .kn-field textarea:focus{border-color:var(--primary,#2563eb)}
.knowledge-v28 .kn-dialog-actions{display:flex;justify-content:flex-end;gap:10px;padding:14px 18px;border-top:1px solid var(--line,#e3eaf3)}
.knowledge-v28 .kn-item{transition:border-color .15s}
.knowledge-v28 .kn-item:hover{border-color:var(--primary,#2563eb)}
.knowledge-v28 .kn-time{font-size:11px;color:var(--muted,#94a5ba);white-space:nowrap}
.knowledge-v28 .kn-media-hint{font-size:11px;color:var(--primary,#2563eb);margin-top:6px}
.knowledge-v28 .kn-detail-top{display:flex;align-items:center;gap:8px}
.knowledge-v28 .kn-detail-text{font-size:13px;color:var(--text,#1e2c3c);line-height:1.7;white-space:pre-wrap;background:var(--panel,#f7fafd);border:1px solid var(--line,#e8eef6);border-radius:9px;padding:10px 12px}
.knowledge-v28 .kn-media-grid{display:flex;flex-wrap:wrap;gap:10px}
.knowledge-v28 .kn-media-img{max-width:180px;max-height:180px;border-radius:9px;display:block;border:1px solid var(--line,#e3eaf3)}
.knowledge-v28 .kn-media-video{max-width:260px;max-height:180px;border-radius:9px;background:#000;display:block}
.knowledge-v28 .kn-hidden{display:none!important}
/* 手动添加弹窗内的媒体瓦片 */
.knowledge-v28 .sp-media-count{font-size:11px;color:#5d6f8a}
.knowledge-v28 .sp-media-grid{display:flex;flex-wrap:wrap;gap:8px}
.knowledge-v28 .sp-media-item{position:relative;width:64px;height:64px;border:1px solid var(--line,#dde6f1);border-radius:9px;overflow:hidden;background:#f6f9fd;display:flex;align-items:center;justify-content:center}
.knowledge-v28 .sp-media-item img{width:100%;height:100%;object-fit:cover;display:block}
.knowledge-v28 .sp-media-item video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.knowledge-v28 .sp-media-item.video{background:linear-gradient(160deg,#223a5e,#33507f);flex-direction:column;gap:3px}
.knowledge-v28 .sp-media-badge{color:#fff;font-size:14px}
.knowledge-v28 .sp-media-name{color:#dbe6f5;font-size:9px;text-align:center;max-width:60px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.knowledge-v28 .sp-media-name small{display:block;color:#8ba3c4}
.knowledge-v28 .sp-media-remove{position:absolute;top:2px;right:2px;width:17px;height:17px;display:grid;place-items:center;border:none;border-radius:50%;background:rgba(20,35,59,.72);color:#fff;font-size:11px;line-height:1;cursor:pointer}
@media(max-width:640px){
  .knowledge-v28 .kn-search{flex-direction:column;align-items:stretch}
  .knowledge-v28 .kn-search input[type="text"]{min-width:0}
}