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          面向聚合物熔体输送、混合与过滤全流程，提供从设备选型、技术方案到项目对接的一站式服务。在大规格熔体齿轮泵领域拥有深厚的应用业绩，产品覆盖 1 cc/r 至 100,000 cc/r 全系列，适配 -40°C 至 350°C、最高 35 MPa 的宽域工况。
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            <!-- Slide 1: 大规格熔体齿轮泵 -->
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              <div class="slide-title">大规格熔体齿轮泵</div>
              <div class="slide-desc">面向大型聚合物生产装置的高排量熔体输送与增压需求，适用于釜底出料、管路增压等关键工位。可提供 1~100000cc/r 转排量产品，覆盖高粘度、高压力工况。</div>
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                <span class="spec-tag">大排量</span>
                <span class="spec-tag">高压力</span>
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                了解详情
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            <!-- Slide 2: Lyocell纤维专用熔体齿轮泵 -->
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              <div class="slide-title">Lyocell纤维专用熔体齿轮泵</div>
              <div class="slide-desc">针对 Lyocell 绿色纤维工艺中的纤维素溶液输送、出料和增压环节设计，适应高粘度、高压力、连续化生产需求。</div>
              <div class="spec-row">
                <span class="spec-tag">绿色纤维</span>
                <span class="spec-tag">专用结构</span>
                <span class="spec-tag">大规格型号</span>
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            <!-- Slide 3: 动态混合器 -->
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              <div class="slide-title">动态混合器</div>
              <div class="slide-desc">用于聚合物熔体及多种液态物料的在线混合，典型应用包括化纤原液着色、塑料多相共混、助剂添加和化工多组分共混。</div>
              <div class="spec-row">
                <span class="spec-tag">主动均化</span>
                <span class="spec-tag">助剂添加</span>
                <span class="spec-tag">色母分散</span>
                <span class="spec-tag">在线改性</span>
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                了解详情
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              <div class="slide-title">换网器</div>
              <div class="slide-desc">用于聚合物熔体过滤与杂质拦截，可应用于片材、板材、管材、薄膜、造粒、纤维等挤出及聚合相关工况。覆盖板式、柱式、反冲洗、网带、四网循环等多个系列。</div>
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                <span class="spec-tag">连续过滤</span>
                <span class="spec-tag">快速换网</span>
                <span class="spec-tag">压力稳定</span>
                <span class="spec-tag">成套配套</span>
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                了解详情
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            <!-- Slide 5: 化工流程熔体齿轮泵 -->
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              </div>
              <div class="slide-title">化工流程熔体齿轮泵</div>
              <div class="slide-desc">适用于聚合、酯化、预聚、终聚、增粘、胶液输送、脱挥等化工流程中的稳定输送与计量增压。</div>
              <div class="spec-row">
                <span class="spec-tag">流程输送</span>
                <span class="spec-tag">管路增压</span>
                <span class="spec-tag">物料适配</span>
                <span class="spec-tag">定制设计</span>
              </div>
              <a href="products.html?from=shanghai" class="slide-cta">
                了解详情
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            <!-- Slide 6: 挤出系统用熔体齿轮泵 -->
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                  <rect x="40" y="80" width="80" height="12" rx="3" fill="rgba(255,255,255,.15)" stroke="rgba(255,255,255,.2)" stroke-width="1"/>
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              </div>
              <div class="slide-title">挤出系统用熔体齿轮泵</div>
              <div class="slide-desc">安装于挤出机与模头等下游设备之间，用于提升挤出流量稳定性和压力控制能力，可用于片材、管材、板材、薄膜、造粒、拉丝等场景。</div>
              <div class="spec-row">
                <span class="spec-tag">稳压输出</span>
                <span class="spec-tag">精密计量</span>
                <span class="spec-tag">挤出配套</span>
                <span class="spec-tag">多线适用</span>
              </div>
              <a href="products.html?from=shanghai" class="slide-cta">
                了解详情
                <svg viewBox="0 0 24 24" width="14" height="14"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7" stroke="#fff" fill="none"/></svg>
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          <!-- Autoplay progress bar -->
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            <svg viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 10V3L4 14h7v7l9-11h-7z"/></svg>
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<!-- =================== PRODUCTS (动态渲染 - 与主站同步) =================== -->
<section class="section" id="products">
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    <div class="section-header">
      <span class="section-label reveal">CORE PRODUCTS</span>
      <h2 class="section-title reveal">核心产品</h2>
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      </div>
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  </div>
</section>

<!-- =================== ADVANTAGES (动态渲染 - 与主站同步) =================== -->
<section class="section section-alt" id="advantages">
  <div class="container">
    <div class="section-header">
      <span class="section-label reveal">CORE ADVANTAGES</span>
      <h2 class="section-title reveal">六大核心优势</h2>
      <p class="section-desc reveal">深耕精密工业泵领域，技术与服务并重</p>
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      <div class="empty-state">正在加载优势数据...</div>
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</section>

<!-- =================== INDUSTRIES (动态渲染 - 与主站同步) =================== -->
<section class="section" id="industries">
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    <div class="section-header">
      <span class="section-label reveal">APPLICATION INDUSTRIES</span>
      <h2 class="section-title reveal">应用行业</h2>
      <p class="section-desc reveal">从可降解材料到特种纤维，广泛服务于新材料与先进制造领域</p>
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      <div class="empty-state">正在加载行业数据...</div>
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</section>

<!-- =================== NEWS (动态渲染 - 与主站同步) =================== -->
<section class="section section-alt" id="news-brief">
  <div class="container">
    <div class="section-header">
      <span class="section-label reveal">NEWS</span>
      <h2 class="section-title reveal">新闻资讯</h2>
      <p class="section-desc reveal">关注行业动态，了解最新进展</p>
    </div>
    <div class="news-tabs">
      <button class="news-tab active" data-target="tab-company">公司新闻</button>
      <button class="news-tab" data-target="tab-industry">行业资讯</button>
    </div>
    <div id="tab-company" class="news-tab-content">
      <div class="news-grid">
        <div class="empty-state">正在加载公司新闻...</div>
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    <div style="text-align:center; margin-top:40px;">
      <a href="https://affim.baidu.com/unique_3728077/chat?siteId=8387116&userId=3728077&siteToken=064ed09c0ad2cd7166a65cc9bf6ab4d1&cp=%E9%A6%96%E9%A1%B5%E6%8C%89%E9%92%AE&cr=&cw=" class="btn-primary home-news-more" target="_blank" rel="noopener" style="display:inline-flex;">
        查看更多资讯
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</section>

<!-- =================== CONTACT (合并 CTA + 联系我们) =================== -->
<section class="section" id="contact">
  <div class="container">
    <div class="section-header">
      <span class="section-label reveal">CONTACT US</span>
      <h2 class="section-title reveal">联系我们</h2>
      <p class="section-desc reveal">可提交物料、温度、压力、流量、粘度等工况信息，我们将协助进行初步沟通与方案对接。</p>
    </div>
    <div class="contact-layout">
      <div class="contact-info-panel reveal-left" id="contact-info">
        <h3 class="contact-panel-title">联系信息</h3>
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          <div class="contact-info-item">
            <div class="ci-label">公司名称</div>
            <div class="ci-value">上海沃铧装备科技有限公司</div>
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          <div class="contact-info-item">
            <div class="ci-label">黄经理</div>
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          </div>
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            <div class="ci-label">网址</div>
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          </div>
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            <div class="ci-label">邮箱</div>
            <div class="ci-value"><a href="mailto:sales@shvowa.com">sales@shvowa.com</a></div>
          </div>
          <div class="contact-info-item">
            <div class="ci-label">地址</div>
            <div class="ci-value">中国上海市闵行区申虹路666弄正荣中心1号楼206室</div>
          </div>
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      <div class="contact-form-panel reveal-right">
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          </div>
          <div class="form-group">
            <label for="demand_type">需求类型 <span class="required">*</span></label>
            <select id="demand_type" name="demand_type" required>
              <option value="">请选择需求类型</option>
              <option value="熔体齿轮泵选型">熔体齿轮泵选型</option>
              <option value="动态混合器选型">动态混合器选型</option>
              <option value="换网器/熔体过滤设备">换网器 / 熔体过滤设备</option>
              <option value="系统方案咨询">系统方案咨询</option>
              <option value="售后与备件">售后与备件</option>
              <option value="其他需求">其他需求</option>
            </select>
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          <div class="form-group">
            <label for="description">工况说明</label>
            <textarea id="description" name="description" rows="4" placeholder="请简单说明物料名称、温度、压力、流量、粘度、应用工艺等信息。"></textarea>
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<!-- =================== FOOTER =================== -->
<footer>
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          <div class="logo-text">
            <span class="logo-name">上海沃铧</span>
            <span class="logo-sub">Shanghai VOWA Equipment Technology Co., Ltd.</span>
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        </a>
        <p class="footer-brand-desc">上海沃铧装备科技有限公司，面向国内外聚合物材料生产企业，提供熔体齿轮泵、动态混合器、换网器及熔体过滤设备的选型咨询、项目对接与服务支持。</p>
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            </div>
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              <div class="fc-label">黄经理</div>
              <div class="fc-value">19921076822</div>
              <div class="fc-label" style="margin-top:2px;">马经理</div>
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            </div>
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              <div class="fc-label">公司地址</div>
              <div class="fc-value" style="font-size:12px;line-height:1.5;">中国上海市闵行区申虹路666弄<br>正荣中心1号楼206室</div>
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<style>
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}
.contact-info-panel,
.contact-form-panel {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.contact-panel-title {
  font-size: 20px;
  font-weight: 600;
  color: #1a3a6e;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid #e85d20;
}
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ci-label {
  font-size: 13px;
  color: #666;
}
.ci-value {
  font-size: 15px;
  color: #1a3a6e;
  font-weight: 500;
}
.ci-value a {
  color: #2a5298;
  text-decoration: none;
}
.ci-value a:hover {
  color: #e85d20;
}
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-form .form-group {
  margin-bottom: 16px;
}
.contact-form label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #333;
  margin-bottom: 6px;
}
.contact-form .required {
  color: #e85d20;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #2a5298;
}
.contact-form textarea {
  resize: vertical;
}
.contact-form .btn-submit {
  width: 100%;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
@media (max-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .contact-form .form-row {
    grid-template-columns: 1fr;
  }
  .contact-info-panel,
  .contact-form-panel {
    padding: 24px;
  }
}
</style>

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document.getElementById('shanghaiContactForm').addEventListener('submit', async function(e) {
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    if (button) {
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});
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