Load specific CSS file

/**
 * Enqueue a script or stylesheet in the WordPress admin on edit.php.
 *
 * @param string $hook_suffix Hook suffix for the current admin page.
 */
function wpse426722_admin_enqueue( $hook_suffix ) {
    if( 'admin_print_scripts-profile' == $hook_suffix ) {
        wp_enqueue_style( 'your-stylesheet-slug', '/path/to/your_stylesheet.css' );
    }
}

add_action( 'admin_enqueue_scripts', 'wpse426722_admin_enqueue' );

The above function has the hook suffix for when you’re viewing your profile, you’ll need to replace it with the hook suffix for whatever page you’re targeting.