/* 영상 게시판 전용: 공지사항 정상본 스타일을 유지하고 영상만 확장 */
.ai-youtube-board .ai-youtube-selectall{display:flex;justify-content:flex-end;margin:8px 0 16px;font-size:13px;color:#183c53}
.ai-youtube-board .ai-youtube-selectall label{display:flex;align-items:center;gap:7px;cursor:pointer}
.ai-youtube-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px 20px;margin:22px 0 36px}
.ai-youtube-card{min-width:0;margin:0;padding:0}
.ai-youtube-thumb{position:relative;aspect-ratio:16/9;background:#edf2f6;overflow:hidden}
.ai-youtube-thumb>a{display:flex;width:100%;height:100%;align-items:center;justify-content:center}
.ai-youtube-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.ai-youtube-noimg{font-size:14px;color:#61758a}
.ai-youtube-play{position:absolute;bottom:12px;left:12px;background:#e31b23;color:white;font-size:12px;border-radius:7px;padding:8px 13px;pointer-events:none}
.ai-youtube-check{position:absolute;right:9px;top:9px;background:#fff;padding:6px 8px;font-size:12px;display:flex;gap:4px;align-items:center;cursor:pointer;z-index:1}
.ai-youtube-card h3{font-size:16px;line-height:1.5;margin:12px 0 6px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-youtube-card h3 a{color:#143449;text-decoration:none}
.ai-youtube-meta{font-size:12px;color:#66798a;display:flex;gap:8px;flex-wrap:wrap;margin:0}
.ai-youtube-player{width:100%;aspect-ratio:16/9;background:#071825;margin:0 0 30px;overflow:hidden}
.ai-youtube-player iframe{display:block;border:0;width:100%;height:100%}
.ai-youtube-field label{display:block;font-weight:700;font-size:14px;margin:0 0 8px}
.ai-youtube-field input{width:100%;box-sizing:border-box}
.ai-youtube-field p{font-size:12px;color:#61758a;margin:7px 0 0}
@media(max-width:1024px){.ai-youtube-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:720px){.ai-youtube-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px}.ai-youtube-card h3{font-size:14px}.ai-youtube-meta{font-size:11px}}
@media(max-width:380px){.ai-youtube-grid{grid-template-columns:1fr}}