feat(widgets): announcement swiper, layout gap, partners/about polish

Announcement defaults to vertical new-swiper; gap supports PC/mobile
heights; partners lazy+empty admin; about card uses identity name/bio.

src/AKSRT/Widgets/WidgetPartnersScroll.php

@@ -25,6 +25,13 @@ class WidgetPartnersScroll extends \WP_Widget {
 	public function widget($args, $instance): void {
 		$partners = $this->resolve_partners($instance);
 		if (!$partners) {
+			if (current_user_can('manage_options')) {
+				echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
+				echo function_exists('aksrt_get_widget_null')
+					? aksrt_get_widget_null(__('暂无合作伙伴，请在模块中添加', 'aksrt')) // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
+					: '<p class="widget-empty">' . esc_html__('暂无合作伙伴', 'aksrt') . '</p>';
+				echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
+			}
 			return;
 		}
 
@@ -125,7 +132,7 @@ class WidgetPartnersScroll extends \WP_Widget {
 
 		$alt     = esc_attr($title !== '' ? $title : __('合作伙伴', 'aksrt'));
 		$img_tag = $image !== ''
-			? '<img class="aksrt-ps-img" src="' . esc_url($image) . '" alt="' . $alt . '" loading="lazy" />'
+			? '<img class="aksrt-ps-img aksrt-lazy lazyload" data-src="' . esc_url($image) . '" src="' . esc_url(get_template_directory_uri() . '/assets/img/placeholder.svg') . '" alt="' . $alt . '" loading="lazy" />'
 			: '';
 
 		$inner = '';