{# trade-pro product detail — cms 产品详情精确对齐重做（Task 12a，重做 10b）；
Task 15 选项卡改锚点 Tab + 每产品自定义区块。
设计源（唯一权威依据）D:/project/cms/runtimes/astro-site-runtime/src/pages/
[locale]/products/[slug].astro，区块序列逐块对照：
detail-hero（面包屑 + 1.08/0.92 双栏：画廊/标题区，cms 产品名 h2 全页无 h1）
→ product-tabbed（sticky 锚点选项卡：Product Details 正文恒有 → 每产品自定义
区块 detail_sections（wppop_sections 迁移，标题来自数据）→ Specifications /
Features 按数据显隐）→ related-detail（sf-tp-card 卡片网格）→ quote-section
（左联系信息 + 右 CTA/外部表单）。
与 cms 的三处结构决策：
1. 选项卡为锚点跳转非面板切换（用户要求，Task 15）：Tab 是 #anchor 链接，
区块全部平铺渲染 + panel-title 常显——无 JS 时原生锚点跳转、全部区块可读，
静态可抓取；JS 渐进增强平滑滚动 + scrollspy 高亮当前 Tab 并在横滚行内居中。
2. 正文不拆表：WordPress 规格表 <table> 直接在 body HTML 里，正文整体作为
Product Details 区块渲染（.sf-tp-product-body rich-body 表格样式：全宽/
发丝框/斑马纹/覆盖内联宽高/单元格 div 净空）；specs 变量有数据时另设
Specifications 区块（干净 spec-table，每行两对键值，从 fields 读）。
自定义区块数据由 theme_pro.product_detail_sections 供给：fields.sections
结构化优先，旧同步产物的 body H2 段识别拆出（正文 overview 不重复渲染）。
3. 画廊交互复用平台 pro.js 既有钩子（.pro-product-media /
.pro-gallery-thumbs / [data-gallery-image]）：缩略图点击换主图 + 主图灯箱，
零新增 JS；无 JS 时全部图片仍平铺可读。无图回退封面，再无则占位渐变
（空值不破版）。 #}
<section class="sf-tp-product-hero">
<div class="wrap">
<nav class="sf-tp-breadcrumb" aria-label="Breadcrumb" data-reveal>
<a href="/">Home</a><a href="/products/">Products</a><span class="sf-tp-breadcrumb-current">{{ page.title }}</span>
</nav>
<div class="sf-tp-product-grid">
{# pro.js 经 .pro-gallery-thumbs 的 parentElement 定位 .pro-product-media img——
缩略图容器必须保持为 .pro-product-media 的兄弟节点（不可外包滚动容器） #}
<div class="sf-tp-product-gallery" data-reveal>
{% if gallery %}
<div class="sf-tp-product-media pro-product-media">
<img class="sf-tp-product-main-img" src="{{ gallery[0] }}" alt="{{ page.title }}" width="800" height="600" loading="eager" decoding="async">
</div>
{% if gallery|length > 1 %}
<div class="sf-tp-product-thumbs pro-gallery-thumbs" aria-label="Product image gallery">
{% for photo in gallery %}
<button type="button" class="sf-tp-product-thumb" data-gallery-image="{{ photo }}" aria-label="View image {{ loop.index }}" aria-pressed="{{ 'true' if loop.first else 'false' }}"><img src="{{ photo }}" alt="{{ page.title }} image {{ loop.index }}" width="150" height="100" loading="lazy" decoding="async"></button>
{% endfor %}
</div>
{% endif %}
{% else %}
<div class="sf-tp-product-media pro-product-media">
<div class="sf-tp-photo-plain" aria-hidden="true"><span>PRODUCT</span></div>
</div>
{% endif %}
</div>
<div class="sf-tp-product-summary" data-reveal style="--reveal-i: 1">
<span class="eyebrow">PRODUCT DETAILS / {{ fields.get('brand') or 'CATALOGUE' }}</span>
{# cms 产品名为 h2 量级（2xl 非巨型）；平台全站单 h1 契约
（test_theme_pro_v3 全页 h1==1）保留 h1 标签、字号用 cms 2xl #}
<h1 class="sf-tp-product-title">{{ page.title }}</h1>
<p class="sf-tp-product-lead">{{ page.summary or 'Detailed product information, specifications and export packaging are published on this page.' }}</p>
{% if fields.get('brand') or fields.get('model') %}
<p class="sf-tp-product-meta">{% if fields.get('brand') %}<span>Brand · {{ fields.get('brand') }}</span>{% endif %}{% if fields.get('model') %}<span>Model · {{ fields.get('model') }}</span>{% endif %}</p>
{% endif %}
<div class="sf-tp-product-actions">
<a class="sf-tp-btn" href="/contact/">Get a quote {{ icon('arrow-right') }}</a>
<a class="sf-tp-btn sf-tp-btn--ghost" href="/products/">All products {{ icon('arrow-right') }}</a>
</div>
</div>
</div>
</div>
</section>
{# 选项卡详情（cms .product-tabbed，Task 15 改锚点 Tab）：Tab 序列完全数据
驱动，对齐 cms detailTabs——Product Details（正文）恒有 → 每产品自定义区块
detail_sections（CMS wppop_sections 迁移：Packing & Delivery / Our Exhibition /
Our Certifications / Our Company / FAQ，标题来自数据不固定；theme_pro 从
fields.sections 读、旧同步产物从 body H2 段识别拆出）→ Specifications（specs
有数据才显）→ Features（fields.features 有数据才显）。
Tab 是锚点跳转非面板切换（用户要求 + 区块全部平铺渲染）：无 JS 时原生锚点
跳转 + 全部区块可读、标题可见，静态可抓取；JS 平滑滚动 + scrollspy 高亮。 #}
{% set tp_spec_rows = specs | rejectattr('label', 'equalto', 'gallery') | list %}
<div class="sf-tp-product-tabbed" data-sf-tp-tabbed>
<nav class="sf-tp-product-tabs" aria-label="Product details">
<div class="wrap sf-tp-tabs-row">
<a class="sf-tp-tab active" href="#overview" role="tab" aria-selected="true">Product Details</a>
{% for s in detail_sections %}
<a class="sf-tp-tab" href="#{{ s.id }}" role="tab" aria-selected="false">{{ s.title }}</a>
{% endfor %}
{% if tp_spec_rows %}
<a class="sf-tp-tab" href="#specifications" role="tab" aria-selected="false">Specifications</a>
{% endif %}
{% if detail_features %}
<a class="sf-tp-tab" href="#features" role="tab" aria-selected="false">Features</a>
{% endif %}
</div>
</nav>

<section id="overview" class="sf-tp-detail-section">
<div class="wrap">
<h2 class="sf-tp-panel-title">Product details</h2>
<div class="sf-tp-product-body">{{ body_copy(detail_overview, page) }}</div>
</div>
</section>
{% for s in detail_sections %}
<section id="{{ s.id }}" class="sf-tp-detail-section">
<div class="wrap">
<h2 class="sf-tp-panel-title">{{ s.title }}</h2>
<div class="rich-body sf-tp-product-body">{{ s.content }}</div>
</div>
</section>
{% endfor %}
{% if tp_spec_rows %}
<section id="specifications" class="sf-tp-detail-section sf-tp-detail-section--compact">
<div class="wrap">
<h2 class="sf-tp-panel-title">Specifications</h2>
<div class="sf-tp-table-scroll">
<table class="sf-tp-spec-table">
<tbody>
{# cms spec-table：每行两对键值（batch(2) 纵向配对） #}
{% for row in tp_spec_rows | batch(2) %}
<tr>{% for cell in row %}<th scope="row">{{ cell.label }}</th><td>{{ cell.value }}</td>{% endfor %}</tr>
{% endfor %}
</tbody>
</table>
</div>
</div>
</section>
{% endif %}
{% if detail_features %}
<section id="features" class="sf-tp-detail-section sf-tp-detail-section--compact">
<div class="wrap">
<h2 class="sf-tp-panel-title">Features</h2>
<div class="sf-tp-detail-features">
{% for f in detail_features %}
<div class="sf-tp-detail-feature">
<span aria-hidden="true">✦</span>
<div><h3>{{ f.title }}</h3><p>{{ f.desc }}</p></div>
</div>
{% endfor %}
</div>
</div>
</section>
{% endif %}
</div>
<script>
/* 锚点选项卡（Task 15，cms [slug].astro 尾部脚本重做）：点击平滑滚动到区块
并在横滚行内居中；scrollspy 滚动高亮当前 Tab。无 JS 时为原生锚点跳转，
区块全部平铺可读。 */
(function () {
var tabbed = document.querySelector('[data-sf-tp-tabbed]');
if (!tabbed) return;
var nav = tabbed.querySelector('.sf-tp-product-tabs');
var tabs = Array.prototype.slice.call(tabbed.querySelectorAll('.sf-tp-tab'));
var targets = tabs.map(function (t) {
return document.getElementById((t.getAttribute('href') || '').slice(1));
});
function activate(i, center) {
tabs.forEach(function (t, j) {
var on = i === j;
t.classList.toggle('active', on);
t.setAttribute('aria-selected', on ? 'true' : 'false');
});
if (center && tabs[i] && tabs[i].scrollIntoView) {
tabs[i].scrollIntoView({ inline: 'center', block: 'nearest', behavior: 'smooth' });
}
}
tabs.forEach(function (tab, i) {
tab.addEventListener('click', function (e) {
var target = targets[i];
if (!target) return;
e.preventDefault();
target.scrollIntoView({ behavior: 'smooth', block: 'start' });
activate(i, true);
});
});
var current = -1;
function spy() {
var mark = (nav ? nav.getBoundingClientRect().bottom : 0) + 32;
var idx = 0;
targets.forEach(function (el, i) {
if (el && el.getBoundingClientRect().top <= mark) idx = i;
});
if (idx !== current) { current = idx; activate(idx, true); }
}
window.addEventListener('scroll', spy, { passive: true });
spy();
})();
</script>
{% set tp_related = (groups['product'] + groups['vehicle']) | rejectattr('route', 'equalto', page.route) | list %}
{% if tp_related %}
<section class="section">
<div class="wrap">
<div class="sf-tp-section-head" data-reveal>
<div>
<span class="eyebrow">RELATED PRODUCTS</span>
<h2>You may also need</h2>
</div>
<a class="sf-tp-more" href="/products/">Browse all products {{ icon('arrow-right', cls='sf-tp-icon--sm') }}</a>
</div>
<div class="sf-tp-card-grid">
{% for tp_item in tp_related[:4] %}
<article class="sf-tp-card" data-reveal style="--reveal-i: {{ loop.index0 % 4 }}">
<div class="sf-tp-card-media">{{ cover(tp_item, 'product') }}</div>
<div class="sf-tp-card-body">
<h3>{{ tp_item.title }}</h3>
<p>{{ (tp_item.summary or 'Published specifications available on request.').split('.')[0] }}.</p>
<a class="sf-tp-more" href="{{ safe_href(tp_item.route) }}">View details {{ icon('arrow-right', cls='sf-tp-icon--sm') }}</a>
</div>
</article>
{% endfor %}
</div>
</div>
</section>
{% endif %}
<section class="section section--soft sf-tp-product-quote">
<div class="wrap sf-tp-quote-grid">
<div class="sf-tp-quote-info" data-reveal>
<span class="eyebrow">REQUEST A QUOTE</span>
<h2>Inquire about this product</h2>
<p>Send the specifications you need for <strong>{{ page.title }}</strong> and our trade desk replies with pricing, lead time and export packaging within one business day.</p>
<div class="sf-tp-quote-list">
{% if footer_email %}
<div class="sf-tp-quote-item">
<div class="icon-circle" aria-hidden="true">{{ icon('mail') }}</div>
<div><strong>Email</strong><p><a href="mailto:{{ footer_email }}">{{ footer_email }}</a></p></div>
</div>
{% endif %}
<div class="sf-tp-quote-item">
<div class="icon-circle" aria-hidden="true">{{ icon('check') }}</div>
<div><strong>Direct sourcing desk</strong><p>One contact from inquiry to container loading.</p></div>
</div>
</div>
</div>
<div class="sf-tp-quote-form" data-reveal style="--reveal-i: 1">
{% if form_endpoint %}
<h3>Get a quote for {{ page.title }}</h3>
<form action="{{ form_endpoint }}" method="POST">
<label>Name <input name="name" autocomplete="name" required maxlength="100"></label>
<label>Email <input name="email" type="email" autocomplete="email" required maxlength="180"></label>
<label>Message <textarea name="message" required minlength="6" maxlength="5000" placeholder="I would like a quotation for {{ page.title }}..."></textarea></label>
<input name="website" tabindex="-1" autocomplete="off" class="pro-honeypot" aria-hidden="true">
<button type="submit" class="sf-tp-btn">Submit enquiry {{ icon('arrow-right') }}</button>
<p class="sf-tp-quote-note">Submissions are handled by the external form service configured by the site administrator.</p>
</form>
{% else %}
<h3>Get a quote for {{ page.title }}</h3>
<p>Share your specifications and target market through the contact page; our trade desk replies within one business day.</p>
<a class="sf-tp-btn" href="/contact/">Contact us {{ icon('arrow-right') }}</a>
{% endif %}
</div>
</div>
</section>