.upload-placeholder[data-v-8e17aab2]{width:100%;height:320px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;border:1px dashed #ccc;border-radius:8px;cursor:pointer}.cover-img[data-v-8e17aab2]{width:100%;max-height:320px;object-fit:contain;border-radius:8px}.paper-matrix[data-v-8e17aab2]{margin:16px 0;border:1px solid #eee;border-radius:8px;overflow:hidden}.matrix-header[data-v-8e17aab2]{display:flex;background:#f5f5f5;font-weight:700}.matrix-body[data-v-8e17aab2]{background:#fff}.matrix-row[data-v-8e17aab2]{display:flex;border-top:1px solid #eee}.header-cell[data-v-8e17aab2],.cell[data-v-8e17aab2],.stage-cell[data-v-8e17aab2]{padding:12px;display:flex;align-items:center;justify-content:center;border-right:1px solid #eee}.stage-col[data-v-8e17aab2],.stage-cell[data-v-8e17aab2]{width:140px;flex:none;background:#fafafa}.group-col[data-v-8e17aab2]{flex:1;text-align:center}.paper-name[data-v-8e17aab2]{font-size:12px;margin-bottom:6px}