.sqa16-app{max-width:650px;margin:20px auto;padding:14px;background:#f5f7fa;border-radius:16px;font-family:Arial,sans-serif}.sqa16-head{background:#fff;padding:14px;border-radius:12px}.sqa16-head b{display:block;font-size:21px}.sqa16-head small{color:#667085}.sqa16-school{background:#fff;padding:10px;border-radius:10px;margin:10px 0}.sqa16-school select{width:100%;padding:9px}.sqa16-app #sqa16-reader{background:#111;border-radius:14px;padding:8px;overflow:hidden}.sqa16-app #sqa16-reader video{width:100%!important;border-radius:10px}.sqa16-app #sqa16-message{text-align:center;background:#fff;padding:12px;border-radius:10px;margin:10px 0;font-weight:600}.sqa16-app #sqa16-card{display:flex;gap:16px;background:#fff;padding:16px;border-radius:14px;align-items:center}.sqa16-app #sqa16-card img{width:120px;height:140px;object-fit:cover;border-radius:10px;background:#eef1f5}.sqa16-app #sqa16-card h2{margin:5px 0}.sqa16-app #sqa16-card p{margin:5px 0}.sqa16-app #sqa16-card strong{display:block;color:#16803c;background:#e8f7ee;padding:7px;border-radius:7px}.sqa16-app #sqa16-card small{display:block;color:#667085}.sqa16-app #sqa16-error{background:#fff1f0;color:#b42318;padding:12px;border-radius:10px;margin-top:10px;text-align:center}.sqa16-hidden{display:none!important}@media(max-width:480px){.sqa16-app{margin:0;border-radius:0}.sqa16-app #sqa16-card img{width:95px;height:115px}}

.sqa16-camera-wrap{position:relative;width:100%;background:#111;border-radius:12px;overflow:hidden;line-height:0}
.sqa16-camera-wrap video{display:block;width:100%!important;height:auto!important;min-height:280px;object-fit:cover}
.sqa16-camera-wrap:after{content:"";position:absolute;left:50%;top:50%;width:52%;aspect-ratio:1;border:3px solid rgba(255,255,255,.9);border-radius:10px;transform:translate(-50%,-50%);box-shadow:0 0 0 9999px rgba(0,0,0,.18);pointer-events:none}
.sqa16-retry{display:block;width:100%;margin:8px 0;padding:12px 16px;border:0;border-radius:10px;background:#111;color:#fff;font-weight:700;cursor:pointer}