.wu-wrap{max-width:760px;margin:24px auto;padding:0 16px}
.wu-drop{border:2px dashed #ccc;border-radius:12px;padding:24px;text-align:center;background:#fcfcfc}
.wu-drop.drag{border-color:#555;background:#f6f6f6}
.wu-row{display:flex;gap:12px;align-items:center;margin:12px 0}
.wu-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:8px}
.wu-grid img{width:var(--wu-thumb-w,100%) !important;height:var(--wu-thumb-h,60px) !important;object-fit:cover;border:1px solid #eee;border-radius:6px;cursor:pointer}
.wu-viewer img{max-width:100%;height:auto;border:1px solid #eee;border-radius:8px}