Hi there,
You can set the excerpt length in Customize > Layout > Blog to 0
to remove excerpts completely. Then you can hide the containing element like this:
.entry-summary {
display: none;
}
To target specific categories, you can do this instead:
add_filter( 'excerpt_length', function( $length ) {
$categories = array(
'one-category',
'another-category',
'one-more',
);
if ( is_category( $categories ) ) {
$length = 0;
}
return $length;
}, 200 );
Hope this helps π