*{box-sizing:border-box}
body{font-family: "Noto Sans TC", system-ui, -apple-system, "Segoe UI", Roboto, Arial; margin:0; background:#f3f6fb; color:#111}
header{background:#0f1724;color:#fff;padding:12px 16px}
header h1{margin:0;font-size:18px}
.muted{color:#9aa3b2;margin-top:6px}
.container{max-width:1100px;margin:18px auto;padding:12px}
.card{background:#fff;padding:12px;border-radius:10px;box-shadow:0 8px 20px rgba(15,23,42,0.06);margin-bottom:12px}
.controls input{width:calc(50% - 8px);padding:10px;margin-right:8px;border-radius:8px;border:1px solid #e6e9ef}
.buttons{display:inline-flex;gap:8px;align-items:center}
button{padding:10px 14px;border-radius:8px;border:0;background:#2563eb;color:#fff;cursor:pointer;font-weight:700}
button:disabled{opacity:0.5;cursor:not-allowed}
.videos{display:flex;flex-wrap:wrap;gap:12px}
.video-block{width:300px;background:#000;border-radius:8px;overflow:hidden;position:relative}
.video-block video{width:100%;height:200px;object-fit:cover;background:#000;display:block}
.video-block .label{position:absolute;left:8px;bottom:8px;padding:6px 8px;background:rgba(0,0,0,0.45);color:#fff;border-radius:6px;font-size:13px}
.small{font-size:0.85rem}