diff --git a/docs/superpowers/plans/2026-10-22-trade-pro-theme-port.md b/docs/superpowers/plans/2026-10-22-trade-pro-theme-port.md
index af6d253..d1d3549 100644
--- a/docs/superpowers/plans/2026-10-22-trade-pro-theme-port.md
+++ b/docs/superpowers/plans/2026-10-22-trade-pro-theme-port.md
@@ -375,6 +375,7 @@ def test_theme_color_map_covers_trade_pro():
 3. **spec §6 "渲染快照"以 E2E 页面断言实现**（构建后逐页 200 + 结构选择器 + 文案断言），不另建 Jinja 快照测试文件。
 4. **/api/themes（main.py:267）经 core.THEMES 动态化自动生效**，不设专项测试（catalog 由既有测试覆盖）。
 5. **前端入口 option 文案**：三个 HTML 下拉用"Trade Pro · 外贸 B2B（英文）"中文风格与各文件现状一致（theme-gallery 用英文）。
+6. **平台数据层中文残留（Task 5 质量审查发现）**：bootstrap 生成的 8 个标准页（/about/ /contact/ /products/ /news/ 等）的 `<title>`、`<h1>`、面包屑来自平台造的中文标题（关于我们/联系我们/产品中心…），主题层无法翻译用户数据。Phase 3 视觉验收时接受（真实站点内容为英文导入数据时自然英文），若 bootstrap 英文化成为需求属平台任务另行立项。
 
 ## 风险与回退
 
diff --git a/tests/test_theme_registry.py b/tests/test_theme_registry.py
index 99fbaf9..1a03222 100644
--- a/tests/test_theme_registry.py
+++ b/tests/test_theme_registry.py
@@ -110,6 +110,7 @@ def test_trade_pro_builds_real_site(factory):
     home = factory.get(f'/preview/{sid}/{bid}/')
     assert home.status_code == 200, home.text[:400]
     assert 'lang="en"' in home.text
+    assert '>Products<' in home.text  # English fallback nav actually rendered
     assert '>首页<' not in home.text
     assert '<meta name="theme-color" content="#0b3d91"' in home.text
 
diff --git a/themes/trade-pro/blocks.css b/themes/trade-pro/blocks.css
deleted file mode 100644
index cb661c9..0000000
--- a/themes/trade-pro/blocks.css
+++ /dev/null
@@ -1 +0,0 @@
-/* trade-pro component styles: filled in Phase 3 */
diff --git a/themes/trade-pro/manifest.json b/themes/trade-pro/manifest.json
index 4736eed..8572126 100644
--- a/themes/trade-pro/manifest.json
+++ b/themes/trade-pro/manifest.json
@@ -5,7 +5,7 @@
   "version": "1.0.0",
   "style": "international-b2b",
   "entry": "pro.html",
-  "styles": ["theme.css", "blocks.css"],
+  "styles": ["theme.css"],
   "page_templates": ["home","about","contact","listing","category","product","article","brand","case","service","faq","standard","notfound"],
   "blocks": ["hero","richtext","features","stats","collection","image_text","gallery","faq","cta","attributes","spacer","layout","carousel","video","tabs","pricing","map","form_link"],
   "responsive": true,
diff --git a/themes/trade-pro/page-presets.json b/themes/trade-pro/page-presets.json
index 8ae1aa6..aceabef 100644
--- a/themes/trade-pro/page-presets.json
+++ b/themes/trade-pro/page-presets.json
@@ -4,10 +4,10 @@
       "id": "0cdf18bf7f",
       "type": "hero",
       "visible": true,
-      "title": "工程质量，值得信赖",
-      "subtitle": "INDUSTRIAL ENGINEERING",
+      "title": "Trusted Quality for Global Buyers",
+      "subtitle": "INTERNATIONAL B2B SOURCING",
       "description": "{{site.tagline}}",
-      "button": "查看产品",
+      "button": "View Products",
       "href": "/product/",
       "align": "left"
     },
@@ -15,19 +15,19 @@
       "id": "f846a2ff6b",
       "type": "features",
       "visible": true,
-      "title": "制造与服务能力",
+      "title": "Trade capabilities & service",
       "items": [
         {
-          "title": "专业服务",
-          "text": "从咨询到交付"
+          "title": "Professional service",
+          "text": "From inquiry to delivery"
         },
         {
-          "title": "品质保障",
-          "text": "严格的质量流程"
+          "title": "Quality assurance",
+          "text": "Rigorous quality processes"
         },
         {
-          "title": "全球网络",
-          "text": "连接不同市场"
+          "title": "Global network",
+          "text": "Connecting markets worldwide"
         }
       ]
     },
@@ -35,33 +35,33 @@
       "id": "ff4655d684",
       "type": "collection",
       "visible": true,
-      "title": "工业产品系列",
+      "title": "Trade catalogue",
       "subtitle": "PRODUCT SOLUTIONS",
       "source": "product",
       "limit": 6,
       "columns": 3,
-      "button": "查看全部",
+      "button": "View All",
       "href": "/product/"
     },
     {
       "id": "4355daaba0",
       "type": "image_text",
       "visible": true,
-      "title": "工程标准与服务流程",
+      "title": "Standards & working process",
       "subtitle": "QUALITY FIRST",
-      "description": "展示业务流程和服务理念。",
+      "description": "How we work and what we stand for.",
       "image": "",
       "image_side": "right",
-      "button": "了解更多",
+      "button": "Learn More",
       "href": "/about/"
     },
     {
       "id": "9e5056370d",
       "type": "cta",
       "visible": true,
-      "title": "获取专业产品方案",
-      "subtitle": "告诉我们您的需求，我们将提供适合的方案。",
-      "button": "联系我们",
+      "title": "Get a tailored product solution",
+      "subtitle": "Tell us what you need and we will propose the right solution.",
+      "button": "Contact Us",
       "href": "/contact/"
     }
   ],
@@ -70,31 +70,31 @@
       "id": "8ced1e0493",
       "type": "image_text",
       "visible": true,
-      "title": "认识我们",
+      "title": "Who we are",
       "subtitle": "OUR APPROACH",
-      "description": "展示业务流程和服务理念。",
+      "description": "How we work and what we stand for.",
       "image": "",
       "image_side": "right",
-      "button": "了解更多",
+      "button": "Learn More",
       "href": "/about/"
     },
     {
       "id": "52b6064084",
       "type": "stats",
       "visible": true,
-      "title": "我们的实力",
+      "title": "Our strength",
       "items": [
         {
           "value": "50,000+",
-          "label": "服务案例"
+          "label": "Projects delivered"
         },
         {
           "value": "70+",
-          "label": "市场覆盖"
+          "label": "Markets served"
         },
         {
           "value": "30+",
-          "label": "合作伙伴"
+          "label": "Partners worldwide"
         }
       ]
     },
@@ -102,19 +102,19 @@
       "id": "cf39bcb75d",
       "type": "features",
       "visible": true,
-      "title": "我们的优势",
+      "title": "Why choose us",
       "items": [
         {
-          "title": "专业服务",
-          "text": "从咨询到交付"
+          "title": "Professional service",
+          "text": "From inquiry to delivery"
         },
         {
-          "title": "品质保障",
-          "text": "严格的质量流程"
+          "title": "Quality assurance",
+          "text": "Rigorous quality processes"
         },
         {
-          "title": "全球网络",
-          "text": "连接不同市场"
+          "title": "Global network",
+          "text": "Connecting markets worldwide"
         }
       ]
     }
@@ -124,16 +124,16 @@
       "id": "597f6ffb08",
       "type": "richtext",
       "visible": true,
-      "title": "联系我们",
-      "body": "<p>请填写企业联系方式与地址。</p>"
+      "title": "Contact us",
+      "body": "<p>Add your company contact details and address here.</p>"
     },
     {
       "id": "8c02c61415",
       "type": "cta",
       "visible": true,
-      "title": "欢迎联系",
-      "subtitle": "告诉我们您的需求，我们将提供适合的方案。",
-      "button": "联系我们",
+      "title": "Get in touch",
+      "subtitle": "Tell us what you need and we will propose the right solution.",
+      "button": "Contact Us",
       "href": "/contact/"
     }
   ],
@@ -142,12 +142,12 @@
       "id": "2c3106baf6",
       "type": "collection",
       "visible": true,
-      "title": "工业产品目录",
-      "subtitle": "为客户提供适合的解决方案",
+      "title": "Product catalogue",
+      "subtitle": "The right solutions for every buyer",
       "source": "product",
       "limit": 24,
       "columns": 3,
-      "button": "查看全部",
+      "button": "View All",
       "href": "/product/"
     }
   ],
@@ -156,34 +156,34 @@
       "id": "42925dc8e3",
       "type": "image_text",
       "visible": true,
-      "title": "产品介绍",
+      "title": "Product overview",
       "subtitle": "OUR APPROACH",
       "description": "{{page.summary}}",
       "image": "{{page.cover}}",
       "image_side": "right",
-      "button": "了解更多",
+      "button": "Learn More",
       "href": "/about/"
     },
     {
       "id": "503266af35",
       "type": "attributes",
       "visible": true,
-      "title": "产品规格与参数"
+      "title": "Specifications"
     },
     {
       "id": "b2b1f5293c",
       "type": "richtext",
       "visible": true,
-      "title": "产品详情",
+      "title": "Product details",
       "body": "{{page.body}}"
     },
     {
       "id": "3837f66074",
       "type": "cta",
       "visible": true,
-      "title": "开启新的合作",
-      "subtitle": "告诉我们您的需求，我们将提供适合的方案。",
-      "button": "联系我们",
+      "title": "Start a new partnership",
+      "subtitle": "Tell us what you need and we will propose the right solution.",
+      "button": "Contact Us",
       "href": "/contact/"
     }
   ],
@@ -206,19 +206,19 @@
       "description": "{{page.summary}}",
       "image": "{{page.cover}}",
       "image_side": "right",
-      "button": "了解更多",
+      "button": "Learn More",
       "href": "/about/"
     },
     {
       "id": "b3faf08170",
       "type": "collection",
       "visible": true,
-      "title": "品牌产品",
-      "subtitle": "为客户提供适合的解决方案",
+      "title": "Brand products",
+      "subtitle": "The right solutions for every buyer",
       "source": "product",
       "limit": 6,
       "columns": 3,
-      "button": "查看全部",
+      "button": "View All",
       "href": "/product/"
     }
   ],
@@ -236,9 +236,9 @@
       "id": "59383d762e",
       "type": "cta",
       "visible": true,
-      "title": "页面暂时无法访问",
-      "subtitle": "告诉我们您的需求，我们将提供适合的方案。",
-      "button": "返回首页",
+      "title": "Page not available",
+      "subtitle": "Tell us what you need and we will propose the right solution.",
+      "button": "Back to Home",
       "href": "/"
     }
   ],
@@ -251,7 +251,7 @@
     },
     {
       "type": "richtext",
-      "title": "项目概述",
+      "title": "Project overview",
       "body": "{{page.body}}"
     }
   ],
@@ -263,23 +263,23 @@
     },
     {
       "type": "cta",
-      "title": "了解更多",
+      "title": "Learn more",
       "href": "/contact/"
     }
   ],
   "faq": [
     {
       "type": "faq",
-      "title": "常见问题",
+      "title": "Frequently asked questions",
       "items": []
     }
   ],
   "category": [
     {
       "type": "collection",
-      "title": "分类产品",
+      "title": "Products in this category",
       "source": "product",
       "limit": 24
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/themes/trade-pro/pro.html b/themes/trade-pro/pro.html
index 3c3032f..991c44c 100644
--- a/themes/trade-pro/pro.html
+++ b/themes/trade-pro/pro.html
@@ -9,7 +9,12 @@
    guarantees, so no fallback link can become a broken link. #}
 {% set tp_default_hrefs=['/','/about/','/brands/','/cases/','/contact/','/news/','/products/'] %}
 {% set tp_needs_en_nav=(not chrome_is_custom) and (nav|map(attribute='route')|list|sort==tp_default_hrefs) %}
-{% set tp_nav=[{'title':'Home','route':'/'},{'title':'Products','route':'/products/'},{'title':'News','route':'/news/'},{'title':'About','route':'/about/'},{'title':'Contact','route':'/contact/'}] if tp_needs_en_nav else nav %}
+{# Known false-positive window: the legacy nav editor can save settings.nav with
+   custom titles but no published site design (chrome_is_custom stays false). If
+   such a nav happens to keep exactly the default 7 hrefs, its titles are
+   overridden by the English fallback below. Mitigated (not eliminated) by
+   keeping all 7 default sections so only the labels change, never coverage. #}
+{% set tp_nav=[{'title':'Home','route':'/'},{'title':'Products','route':'/products/'},{'title':'Brands','route':'/brands/'},{'title':'News','route':'/news/'},{'title':'Cases','route':'/cases/'},{'title':'About','route':'/about/'},{'title':'Contact','route':'/contact/'}] if tp_needs_en_nav else nav %}
 {% if chrome_is_custom %}<div class="pro-utility"{% if not chrome.header.show_announcement %} hidden{% endif %}><div class="pro-wrap"><span>{{ chrome.header.announcement }}</span><span>{{ site.tagline or site.name }}</span></div></div>{% else %}<div class="pro-utility"><div class="pro-wrap"><span>GLOBAL SOURCING · QUALITY · DELIVERY</span><span>INTERNATIONAL B2B SOLUTIONS</span></div></div>{% endif %}
 <header class="sf-site-head pro-header"><div class="pro-wrap pro-head-inner"><a class="pro-logo" href="/" aria-label="{{site.name}} home">{% if safe_image(site.logo) %}<img class="pro-brand-logo" src="{{safe_image(site.logo)}}" alt="{{site.name}} Logo">{% else %}<span class="pro-logo-symbol">▣</span>{% endif %}<span class="pro-logo-name">{{site.name}}<small> GLOBAL B2B</small></span></a><button class="pro-mobile-toggle" type="button" data-pro-menu aria-controls="pro-navigation" aria-expanded="false" aria-label="Open navigation">☰</button><nav id="pro-navigation" class="pro-navigation" aria-label="Main navigation">{% for link in tp_nav %}{% if link.children %}<div class="pro-nav-group"><a href="{{link.route}}">{{link.title}}</a><button type="button" class="pro-nav-disclose" aria-expanded="false" aria-label="Expand {{link.title}} submenu">▾</button><div class="pro-nav-children" hidden>{% for child in link.children %}<a href="{{child.route}}">{{child.title}}</a>{% for leaf in child.children %}<a class="pro-nav-leaf" href="{{leaf.route}}">— {{leaf.title}}</a>{% endfor %}{% endfor %}</div></div>{% else %}<a href="{{link.route}}">{{link.title}}</a>{% endif %}{% endfor %}{% if chrome.header.show_search %}<a class="pro-search-link" href="/search/">Search ⌕</a>{% endif %}</nav><button class="pro-catalog-toggle" type="button" data-pro-catalog aria-controls="pro-mega-content" aria-expanded="false">Products ▾</button>{% if chrome_is_custom %}{% if chrome.header.show_cta %}<a href="{{chrome.header.cta_href}}" class="sf-tp-btn pro-header-cta">{{chrome.header.cta_text}} <span>↗</span></a>{% endif %}{% else %}<a href="/contact/" class="sf-tp-btn pro-header-cta">Request a Quote <span>↗</span></a>{% endif %}</div>{% if categories %}<div class="pro-mega pro-wrap" data-pro-mega id="pro-mega-content" hidden><span>Product categories</span><div>{% for cat in categories[:12] %}<a href="{{cat.url}}">{{cat.name}} ↗</a>{% endfor %}</div></div>{% endif %}</header>
 {% if not designer_replace %}{% include 'trade-pro/pages/' ~ kind ~ '.html' %}{% endif %}