/* Category/Archive: hide meta (author/date) */
.archive .entry-meta,
.category .entry-meta,
.archive .post-meta,
.category .post-meta,
.archive .byline,
.category .byline,
.archive .posted-on,
.category .posted-on{
  display:none !important;
}

/* Category/Archive: hide excerpt/summary */
.archive .entry-summary,
.category .entry-summary,
.archive .post-excerpt,
.category .post-excerpt{
  display:none !important;
}

/* Optional: hide "Read more" if it shows */
.archive .more-link,
.category .more-link,
.archive .read-more,
.category .read-more{
  display:none !important;
}