.course-display-ad { margin:28px 0; padding:12px 0; min-width:0; text-align:center; overflow:hidden; }
.course-display-ad > span { display:block; margin-bottom:10px; color:#68768b; font:11px/1.4 system-ui,sans-serif; letter-spacing:.05em; }
.course-display-ad:has(ins[data-ad-status="unfilled"]) { display:none; }
.course-ad-player { position:relative; background:#101a2b; aspect-ratio:16/9; }
.course-ad-player video { display:block; width:100%; height:100%; object-fit:contain; }
.course-ad-overlay { position:absolute; inset:0; z-index:3; }
.course-ad-play { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); z-index:2; min-height:48px; padding:12px 22px; border:0; border-radius:10px; background:#245dcc; color:white; font:600 16px/1.3 system-ui,sans-serif; cursor:pointer; }
.course-ad-play:focus-visible { outline:3px solid white; outline-offset:4px; }
.course-ad-status { position:absolute; bottom:12px; left:12px; padding:5px 9px; border-radius:6px; color:white; background:#101a2be6; font:12px/1.4 system-ui,sans-serif; z-index:4; pointer-events:none; }
.course-ad-player [hidden] { display:none!important; }