.nv-youtube-playlist{width:100%;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 180px;background:#fff;border:1px solid #ddd;border-radius:6px;overflow:hidden;box-sizing:border-box;transition:grid-template-columns .35s ease}.nv-youtube-playlist:has(.nv-youtube-sidebar:hover){grid-template-columns:minmax(0,1fr) 400px}.nv-youtube-player{position:relative;width:100%;aspect-ratio:9/9;background:#000}.nv-youtube-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.nv-youtube-sidebar{display:flex;flex-direction:column;min-width:0;background:#fafafa;border-left:1px solid #ddd;overflow:hidden;transition:background .2s ease}.nv-youtube-sidebar:hover{background:#f7f7f7}.nv-youtube-header{flex-shrink:0;padding:14px 16px;border-bottom:1px solid #ddd;background:#fff;font-size:16px;font-weight:600}.nv-youtube-count{display:block;margin-top:4px;font-size:12px;font-weight:400;color:#777}.nv-youtube-list{overflow-y:auto;max-height:360px}.nv-youtube-item{display:flex;gap:10px;width:100%;padding:10px;border:0;border-bottom:1px solid #e5e5e5;background:transparent;text-align:left;cursor:pointer;box-sizing:border-box;transition:background .15s ease,padding .2s ease}.nv-youtube-item:hover{background:#eee}.nv-youtube-item.active{background:#e6e6e6}.nv-youtube-thumb{position:relative;flex:0 0 105px;width:105px;height:59px;overflow:hidden;background:#ddd}.nv-youtube-thumb img{display:block;width:100%;height:100%;object-fit:cover}.nv-youtube-number{position:absolute;left:4px;bottom:4px;padding:2px 5px;background:rgba(0,0,0,.75);color:#fff;font-size:11px}.nv-youtube-title{min-width:0;font-size:13px;line-height:1.35;color:#333;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.nv-youtube-item.active .nv-youtube-title{font-weight:600;color:#111}.nv-youtube-loading{padding:30px 15px;text-align:center;color:#777;font-size:13px}@media(max-width:800px){.nv-youtube-playlist{grid-template-columns:1fr}.nv-youtube-playlist:has(.nv-youtube-sidebar:hover){grid-template-columns:1fr}.nv-youtube-sidebar{border-left:0;border-top:1px solid #ddd}.nv-youtube-list{max-height:360px}}@media(max-width:500px){.nv-youtube-thumb{flex-basis:90px;width:90px;height:51px}.nv-youtube-title{font-size:12px}}