feat(pay): free-login gate in access policy plus service/demo helpers

inc/helpers/aksrt-pay.php

@@ -420,6 +420,85 @@ if (!function_exists('aksrt_get_pay_type_badge')) {
     }
 }
 
+/**
+ * Zibll zibpay_get_service() — service bullets under pay/download box.
+ *
+ * @return string HTML list of service items.
+ */
+if (!function_exists('aksrt_get_pay_service_html')) {
+    function aksrt_get_pay_service_html(string $class = 'resource-download-box__guarantee'): string {
+        $service = [];
+        if (class_exists('AKSRT_Settings')) {
+            $order = AKSRT_Settings::get_order_settings();
+            $service = is_array($order['service'] ?? null) ? $order['service'] : [];
+        }
+
+        $items = [];
+        $text = trim((string) ($service['text'] ?? ''));
+        $value = trim((string) ($service['value'] ?? ''));
+        $icon = trim((string) ($service['icon'] ?? 'fas fa-check-circle'));
+        if ($icon === '') {
+            $icon = 'fas fa-check-circle';
+        }
+
+        // Support multi-line pay_service textarea (one bullet per line).
+        $lines = [];
+        if ($text !== '') {
+            $lines = preg_split('/\r\n|\r|\n/', $text) ?: [];
+        }
+        if ($value !== '') {
+            $lines[] = $value;
+        }
+        $lines = array_values(array_filter(array_map('trim', $lines)));
+
+        if ($lines === []) {
+            // Defaults aligned with previous hardcoded guarantees.
+            $lines = [
+                __('安全检测', 'aksrt'),
+                __('支持 VIP 权益', 'aksrt'),
+                __('支持积分结算', 'aksrt'),
+            ];
+        }
+
+        $html = '';
+        foreach ($lines as $line) {
+            $html .= '<span class="' . esc_attr($class) . '">';
+            $html .= '<i class="' . esc_attr($icon) . '" aria-hidden="true"></i> ';
+            $html .= esc_html($line);
+            $html .= '</span>';
+        }
+
+        return $html;
+    }
+}
+
+/**
+ * Demo link button (Zibll zibpay_get_demo_link).
+ */
+if (!function_exists('aksrt_get_demo_link_html')) {
+    function aksrt_get_demo_link_html($post = null, string $class = 'resource-download-box__btn btn-outline resource-download-box__btn--demo'): string {
+        $p = get_post($post);
+        if (!($p instanceof WP_Post)) {
+            return '';
+        }
+        $meta = aksrt_get_pay_meta($p);
+        if (($meta['pay_type'] ?? '') !== AKSRT_PAY_TYPE_DOWNLOAD) {
+            return '';
+        }
+        $url = trim((string) ($meta['demo_url'] ?? ''));
+        if ($url === '') {
+            return '';
+        }
+        $text = __('查看演示', 'aksrt');
+        return sprintf(
+            '<a target="_blank" rel="nofollow noopener" href="%s" class="%s"><i class="fas fa-external-link-alt" aria-hidden="true"></i><span>%s</span></a>',
+            esc_url($url),
+            esc_attr($class),
+            esc_html($text)
+        );
+    }
+}
+
 // ============================================================
 // 付费墙 HTML
 // ============================================================