Cambia la estructura de tabs a acordeón

tabs.php

<?php

// Change template tabs.php estructure
// Copy this file to: /wp-content/TU_THEME/woocommerce/single-product/tabs/tabs.php

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

$product_tabs = apply_filters( 'woocommerce_product_tabs', array() );

if ( ! empty( $product_tabs ) ) : ?>
	<div class="woocommerce-tabs wc-tabs-wrapper">
		<ul class="tabs wc-tabs" role="tablist">
			<?php foreach ( $product_tabs as $key => $product_tab ) : ?>
				<li class="<?php echo esc_attr( $key ); ?>_tab" id="tab-title-<?php echo esc_attr( $key ); ?>" role="tab" aria-controls="tab-<?php echo esc_attr( $key ); ?>">
					<a href="#tab-<?php echo esc_attr( $key ); ?>">
						<?php echo wp_kses_post( apply_filters( 'woocommerce_product_' . $key . '_tab_title', $product_tab['title'], $key ) ); ?>
					</a>

					<div class="woocommerce-Tabs-panel woocommerce-Tabs-panel--<?php echo esc_attr( $key ); ?> panel entry-content wc-tab" id="tab-<?php echo esc_attr( $key ); ?>" role="tabpanel" aria-labelledby="tab-title-<?php echo esc_attr( $key ); ?>">
						<?php
							if ( isset( $product_tab['callback'] ) ) {
								call_user_func( $product_tab['callback'], $key, $product_tab );
							}
						?>
					</div>
				</li>
			<?php endforeach; ?>
		</ul>

		<?php do_action( 'woocommerce_product_after_tabs' ); ?>
	</div>

<?php endif; ?>