fix(hero): align header slider title/search stack with zibll

Put hero main title/subtitle in search before_html (document flow),
move the search overlay outside the swiper as a sibling, and reset
search/slide-text positioning to zibll tops so title and search no
longer overlap.

src/AKSRT/Admin/Schema/SchemaPageDisplay.php

@@ -117,6 +117,25 @@ class SchemaPageDisplay {
                             ['key' => 'header_components_search_popular_limit', 'label' => '热词数量', 'type' => 'number', 'default' => 5, 'min' => 1, 'max' => 20, 'dependsOn' => ['key' => 'header_components_search_show_keywords', 'value' => true]],
                             ['key' => 'header_components_search_show_input_cat', 'label' => '显示分类搜索', 'type' => 'switch', 'default' => false, 'dependsOn' => ['key' => 'header_components_search_enabled', 'value' => true]],
                             ['key' => 'header_components_search_show_type', 'label' => '显示类型切换', 'type' => 'switch', 'default' => false, 'dependsOn' => ['key' => 'header_components_search_enabled', 'value' => true]],
+                            [
+                                'key'           => 'header_components_search_before_html',
+                                'label'         => '搜索上方额外内容',
+                                'type'          => 'textarea',
+                                'sanitize_type' => 'html',
+                                'default'       => '<div class="em16 font-bold mb10">更优雅的Wordpress主题</div>
+<div>这是导航栏幻灯片多功能组件，可在后台进行配置</div>',
+                                'dependsOn'     => ['key' => 'header_components_search_enabled', 'value' => true],
+                                'help'          => 'Hero 主标题/副标题写在这里（支持 HTML）。勿依赖幻灯片文案，以免与搜索重叠；请注意组件总高度。',
+                            ],
+                            [
+                                'key'           => 'header_components_search_after_html',
+                                'label'         => '搜索下方额外内容',
+                                'type'          => 'textarea',
+                                'sanitize_type' => 'html',
+                                'default'       => '',
+                                'dependsOn'     => ['key' => 'header_components_search_enabled', 'value' => true],
+                                'help'          => '支持 HTML；请注意组件总高度。',
+                            ],
                         ]],
                         ['key' => 'cards', 'title' => '图标卡片样式', 'fields' => [
                             ['key' => 'header_components_filter_blur_devices', 'label' => '容器模糊设备', 'type' => 'checkbox', 'default' => [], 'dependsOn' => ['key' => 'header_components_cards_enabled', 'value' => true], 'options' => [