feat(shop): 交易中心壳层 1:1 统一购物车/订单/收益

抽出 commerce header 与二级导航，购物车/订单/收益共用主站交易中心壳层；收益 stats 轻量化，降低独立电商后台观感。

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

assets/css/routes/commerce.css

@@ -0,0 +1,94 @@
+/**
+ * Commerce center shared shell (cart / orders / revenue).
+ *
+ * @package AKSRT
+ */
+
+.aksrt-commerce-header {
+  margin: 0 0 20px;
+}
+
+.aksrt-commerce-header__title {
+  margin: 0 0 6px;
+  font-size: 24px;
+  font-weight: 700;
+  line-height: 1.25;
+  color: var(--color-ink, #1f2937);
+}
+
+.aksrt-commerce-header__subtitle {
+  margin: 0 0 14px;
+  font-size: 14px;
+  color: var(--color-ink-3, #6b7280);
+}
+
+.aksrt-commerce-header__nav {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.aksrt-commerce-header__nav-item {
+  display: inline-flex;
+  align-items: center;
+  padding: 6px 12px;
+  border-radius: 999px;
+  border: 1px solid var(--color-line, rgba(0, 0, 0, 0.08));
+  background: var(--surface-1, #fff);
+  color: var(--color-ink-2, #4b5563);
+  font-size: 13px;
+  text-decoration: none;
+  transition: color .15s, border-color .15s, background .15s;
+}
+
+.aksrt-commerce-header__nav-item:hover {
+  color: var(--color-primary, #f04494);
+  border-color: color-mix(in srgb, var(--color-primary, #f04494) 35%, transparent);
+}
+
+.aksrt-commerce-header__nav-item.is-active {
+  color: var(--color-on-primary, #fff);
+  background: var(--color-primary, #f04494);
+  border-color: var(--color-primary, #f04494);
+}
+
+/* Soften revenue dashboard cards — task-first, not ops console */
+.aksrt-revenue-page__stats {
+  gap: 12px !important;
+  margin-bottom: 18px !important;
+}
+
+.aksrt-revenue-page__stat-card {
+  padding: 14px 16px !important;
+  border-radius: 12px !important;
+  box-shadow: none !important;
+  border: 1px solid var(--color-line-soft, rgba(0, 0, 0, 0.06)) !important;
+  background: var(--surface-1, #fff) !important;
+}
+
+.aksrt-revenue-page__stat-icon {
+  width: 36px !important;
+  height: 36px !important;
+  font-size: 15px !important;
+  background: var(--body-bg-color, #f5f6f7) !important;
+  color: var(--color-ink-2, #4b5563) !important;
+}
+
+.aksrt-revenue-page__stat-value {
+  font-size: 18px !important;
+  font-weight: 600 !important;
+}
+
+.aksrt-revenue-page__stat-label {
+  font-size: 12px !important;
+}
+
+/* Orders / cart title rhythm when using shared header */
+.aksrt-orders-page__header,
+.aksrt-cart-page__header > div:first-child {
+  margin-bottom: 0;
+}
+
+.aksrt-orders-page__tabs {
+  margin-top: 4px;
+}

inc/bootstrap.php

@@ -43,6 +43,7 @@ require_once AKSRT_DIR . '/inc/helpers/aksrt-credits.php';
 require_once AKSRT_DIR . '/inc/helpers/menu-decoration.php';
 require_once AKSRT_DIR . '/inc/helpers/class-aksrt-nav-walker.php';
 require_once AKSRT_DIR . '/inc/helpers/aksrt-transactions.php';
+require_once AKSRT_DIR . '/inc/helpers/aksrt-commerce.php';
 require_once AKSRT_DIR . '/inc/helpers/aksrt-user-dashboard.php';
 require_once AKSRT_DIR . '/inc/helpers/aksrt-user-center.php';
 require_once AKSRT_DIR . '/inc/helpers/aksrt-user-home.php';

inc/classes/scripts-traits/trait-aksrt-scripts-part-1b.php

@@ -301,6 +301,22 @@ trait AKSRT_Scripts_Part_1b {
             );
         }
 
+        // 交易中心共享壳层（购物车 / 订单 / 收益）
+        $is_commerce_center = is_page_template('templates/pages/page-orders.php')
+            || is_page_template('templates/pages/page-cart.php')
+            || is_page_template('templates/pages/page-revenue.php');
+        if ($is_commerce_center) {
+            $commerce_css = get_template_directory() . '/assets/css/routes/commerce.css';
+            if (file_exists($commerce_css)) {
+                wp_enqueue_style(
+                    'aksrt-commerce-shell',
+                    $base_uri . '/assets/css/routes/commerce.css',
+                    ['aksrt-tokens'],
+                    (string) filemtime($commerce_css)
+                );
+            }
+        }
+
         // 订单中心页
         if (is_page_template('templates/pages/page-orders.php')) {
             wp_enqueue_style(

inc/helpers/aksrt-commerce.php

@@ -0,0 +1,96 @@
+<?php
+/**
+ * Commerce center (cart / orders / revenue) presentation helpers.
+ *
+ * @package AKSRT
+ */
+
+defined('ABSPATH') || exit;
+
+if (!function_exists('aksrt_get_commerce_nav_items')) {
+    /**
+     * Secondary nav for commerce center pages.
+     *
+     * @return array<int, array{key:string,label:string,url:string}>
+     */
+    function aksrt_get_commerce_nav_items(): array {
+        $items = [];
+
+        $cart = function_exists('aksrt_get_cart_page_url') ? aksrt_get_cart_page_url() : '';
+        if ($cart !== '') {
+            $items[] = [
+                'key'   => 'cart',
+                'label' => __('购物车', 'aksrt'),
+                'url'   => $cart,
+            ];
+        }
+
+        $orders = function_exists('aksrt_get_orders_page_url') ? aksrt_get_orders_page_url() : '';
+        if ($orders !== '') {
+            $items[] = [
+                'key'   => 'orders',
+                'label' => __('我的订单', 'aksrt'),
+                'url'   => $orders,
+            ];
+        }
+
+        $revenue = function_exists('aksrt_get_revenue_page_url') ? aksrt_get_revenue_page_url() : '';
+        if ($revenue !== '') {
+            $items[] = [
+                'key'   => 'revenue',
+                'label' => __('创作收益', 'aksrt'),
+                'url'   => $revenue,
+            ];
+        }
+
+        $center = function_exists('aksrt_get_user_center_url') ? aksrt_get_user_center_url() : '';
+        if ($center !== '') {
+            $items[] = [
+                'key'   => 'center',
+                'label' => __('个人中心', 'aksrt'),
+                'url'   => $center,
+            ];
+        }
+
+        return $items;
+    }
+}
+
+if (!function_exists('aksrt_render_commerce_page_header')) {
+    /**
+     * Shared commerce page header: title / intro / secondary nav.
+     *
+     * @param array{title?:string,subtitle?:string,active?:string} $args
+     */
+    function aksrt_render_commerce_page_header(array $args = []): void {
+        $title    = (string) ($args['title'] ?? '');
+        $subtitle = (string) ($args['subtitle'] ?? '');
+        $active   = sanitize_key((string) ($args['active'] ?? ''));
+        $nav      = aksrt_get_commerce_nav_items();
+        ?>
+        <header class="aksrt-commerce-header">
+            <?php if ($title !== '') : ?>
+                <h1 class="aksrt-commerce-header__title"><?php echo esc_html($title); ?></h1>
+            <?php endif; ?>
+            <?php if ($subtitle !== '') : ?>
+                <p class="aksrt-commerce-header__subtitle"><?php echo esc_html($subtitle); ?></p>
+            <?php endif; ?>
+            <?php if (!empty($nav)) : ?>
+                <nav class="aksrt-commerce-header__nav" aria-label="<?php esc_attr_e('交易中心导航', 'aksrt'); ?>">
+                    <?php foreach ($nav as $item) :
+                        $is_active = $active !== '' && $active === ($item['key'] ?? '');
+                        ?>
+                        <a
+                            class="aksrt-commerce-header__nav-item<?php echo $is_active ? ' is-active' : ''; ?>"
+                            href="<?php echo esc_url((string) ($item['url'] ?? '#')); ?>"
+                            <?php echo $is_active ? ' aria-current="page"' : ''; ?>
+                        >
+                            <?php echo esc_html((string) ($item['label'] ?? '')); ?>
+                        </a>
+                    <?php endforeach; ?>
+                </nav>
+            <?php endif; ?>
+        </header>
+        <?php
+    }
+}

templates/pages/page-cart.php

@@ -42,11 +42,16 @@ $address_book = is_array($cart_view['address_book'] ?? null) ? $cart_view['addre
         data-currency-symbol="<?php echo esc_attr((string) ($cart_view['currency_symbol'] ?? '¥')); ?>"
         data-coupon-enabled="<?php echo !empty($cart_view['coupon_enabled']) ? '1' : '0'; ?>"
     >
+        <?php
+        if (function_exists('aksrt_render_commerce_page_header')) {
+            aksrt_render_commerce_page_header([
+                'title'    => __('购物车', 'aksrt'),
+                'subtitle' => __('在下单前确认地址、运费、优惠券和支付方式。', 'aksrt'),
+                'active'   => 'cart',
+            ]);
+        }
+        ?>
         <div class="aksrt-cart-page__header">
-            <div>
-                <h1 class="aksrt-cart-page__title"><?php esc_html_e('购物车', 'aksrt'); ?></h1>
-                <p class="aksrt-cart-page__subtitle"><?php esc_html_e('在下单前确认地址、运费、优惠券和支付方式。', 'aksrt'); ?></p>
-            </div>
             <?php if (!empty($pending_orders)) : ?>
                 <div class="aksrt-cart-page__pending">
                     <span class="aksrt-cart-page__pending-label"><?php esc_html_e('待支付订单', 'aksrt'); ?></span>

templates/pages/page-orders.php

@@ -56,10 +56,19 @@ $tabs = [
 ?>
 
 <main id="main-content" class="site-main content-shell" tabindex="-1">
+    <?php if (function_exists('aksrt_breadcrumbs')) { aksrt_breadcrumbs(); } ?>
     <div class="container aksrt-orders-page" data-aksrt-order-center>
-        <div class="aksrt-orders-page__header">
+        <?php
-            <h1><?php esc_html_e('我的订单', 'aksrt'); ?></h1>
+        if (function_exists('aksrt_render_commerce_page_header')) {
-        </div>
+            aksrt_render_commerce_page_header([
+                'title'    => __('我的订单', 'aksrt'),
+                'subtitle' => __('查看订单状态、物流进度与售后处理。', 'aksrt'),
+                'active'   => 'orders',
+            ]);
+        } else {
+            echo '<div class="aksrt-orders-page__header"><h1>' . esc_html__('我的订单', 'aksrt') . '</h1></div>';
+        }
+        ?>
 
         <!-- 5-tab navigation -->
         <div class="aksrt-orders-page__tabs">

templates/pages/page-revenue.php

@@ -54,12 +54,20 @@ $paged_records = array_slice($records, ($paged - 1) * $per_page, $per_page);
 <div class="container aksrt-revenue-page" data-aksrt-revenue-page
 	 data-min-amount="<?php echo esc_attr((string) $min_amount); ?>"
 	 data-fee-rate="<?php echo esc_attr((string) $fee_rate); ?>">
-	<div class="aksrt-revenue-page__header">
+	<?php
-		<h1><?php esc_html_e('创作收益', 'aksrt'); ?></h1>
+	if (function_exists('aksrt_render_commerce_page_header')) {
-		<p class="aksrt-revenue-page__subtitle"><?php esc_html_e('查看分成明细并发起提现。', 'aksrt'); ?></p>
+		aksrt_render_commerce_page_header([
-	</div>
+			'title'    => __('创作收益', 'aksrt'),
+			'subtitle' => __('查看分成明细并发起提现。', 'aksrt'),
+			'active'   => 'revenue',
+		]);
+	} else {
+		echo '<div class="aksrt-revenue-page__header"><h1>' . esc_html__('创作收益', 'aksrt') . '</h1>';
+		echo '<p class="aksrt-revenue-page__subtitle">' . esc_html__('查看分成明细并发起提现。', 'aksrt') . '</p></div>';
+	}
+	?>
 
-	<div class="aksrt-revenue-page__stats">
+	<div class="aksrt-revenue-page__stats" aria-label="<?php esc_attr_e('收益概览', 'aksrt'); ?>">
 		<div class="aksrt-revenue-page__stat-card">
 			<div class="aksrt-revenue-page__stat-icon"><i class="fas fa-wallet"></i></div>
 			<div class="aksrt-revenue-page__stat-info">