fix(header): wire multi-function page-type enable like zibll

Connect header_components_show_on through aksrt_header_slide_is_show with
zibll page-type matching, drop the homepage-only gate, align admin options,
apply nav color, enqueue by is_show, remove dead float-btn schema, and
consume footer_tabbar_single extend mode on post singles.

templates/parts/home-modules/module-hero.php

@@ -7,22 +7,8 @@
  */
 defined('ABSPATH') || exit;
 
-if (class_exists('AKSRT_Settings') && !AKSRT_Settings::homepage_module_hero_enabled()) {
-    return;
-}
-
-// Device visibility gate: header_components_device_visibility ('' = all, 'only_pc' = PC only, 'only_sm' = mobile only)
-$_hero_show_type = '';
-if (class_exists('AKSRT_Settings')) {
-    $_hero_slider_cfg = AKSRT_Settings::get_header_components_settings();
-    $_hero_show_type = $_hero_slider_cfg['show_type'] ?? '';
-}
-if ($_hero_show_type === 'only_pc' && wp_is_mobile()) {
-    return;
-}
-if ($_hero_show_type === 'only_sm' && !wp_is_mobile()) {
-    return;
-}
+// Visibility (page type + device) is decided by aksrt_header_slide_is_show().
+// This partial only renders content when already gated by aksrt_header_slide().
 
 $cfg = get_query_var('aksrt_module_config', []);
 if (!is_array($cfg)) {
@@ -171,6 +157,11 @@ $render_icon_cards = static function () use ($show_cards, $icon_cards, $card_bg_
 
 if (!empty($hero_banners)) :
     $slider_cfg = function_exists('aksrt_get_slider_config') ? aksrt_get_slider_config() : [];
+    $_nav_color_for_header = sanitize_hex_color((string) ($slider_cfg['nav_color'] ?? '')) ?: '';
+    if ($_nav_color_for_header !== '' && strtolower($_nav_color_for_header) !== '#ffffff') {
+        echo '<style id="aksrt-header-slider-nav-color">.header.show-slide{--header-color:' . esc_attr($_nav_color_for_header) . ';}</style>';
+    }
+
     $swiper_config = [
         'effect'   => $slider_cfg['effect'] ?? 'fade',
         'loop'     => $slide_count > 1 && ($slider_cfg['loop'] ?? true),