.sheet-videos{margin:34px 0;padding:22px;border:1px solid #293342;border-radius:18px;background:#111722}
.sheet-videos span{display:block;margin-bottom:6px;color:#bcff2c;font:600 11px/1.4 "IBM Plex Mono",monospace;letter-spacing:.12em}
.sheet-videos h2{margin:0 0 16px;font-size:clamp(22px,3vw,32px)}
.sheet-video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.sheet-video-grid iframe{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:12px;background:#080b10}
@media(max-width:700px){.sheet-videos{padding:16px}.sheet-video-grid{grid-template-columns:1fr}}