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  <!-- 首页 -->
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    <loc>https://www.sploptics.com/</loc>
    <lastmod>2026-04-04</lastmod>
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  <!-- 核心页面 -->
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    <loc>https://www.sploptics.com/pages/products.html</loc>
    <lastmod>2026-04-04</lastmod>
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    <loc>https://www.sploptics.com/pages/about.html</loc>
    <lastmod>2026-04-04</lastmod>
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    <loc>https://www.sploptics.com/pages/projects.html</loc>
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    <loc>https://www.sploptics.com/pages/workflow.html</loc>
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    <loc>https://www.sploptics.com/pages/calculators.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
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  <url>
    <loc>https://www.sploptics.com/pages/downloads.html</loc>
    <lastmod>2026-04-04</lastmod>
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    <loc>https://www.sploptics.com/pages/contact.html</loc>
    <lastmod>2026-04-04</lastmod>
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  <url>
    <loc>https://www.sploptics.com/pages/scheme-guide.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
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  <!-- 产品详情页 -->
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    <loc>https://www.sploptics.com/pages/product-fiber.html</loc>
    <lastmod>2026-04-04</lastmod>
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  <url>
    <loc>https://www.sploptics.com/pages/product-dz-raman.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
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  <url>
    <loc>https://www.sploptics.com/pages/product-fluor.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
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    <loc>https://www.sploptics.com/pages/product-micro.html</loc>
    <lastmod>2026-04-04</lastmod>
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  <url>
    <loc>https://www.sploptics.com/pages/product-angular.html</loc>
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  <url>
    <loc>https://www.sploptics.com/pages/product-echelle.html</loc>
    <lastmod>2026-04-04</lastmod>
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  <url>
    <loc>https://www.sploptics.com/pages/product-highpressure.html</loc>
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  <url>
    <loc>https://www.sploptics.com/pages/product-hyperspectral.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://www.sploptics.com/pages/product-pv.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://www.sploptics.com/pages/product-filmthick.html</loc>
    <lastmod>2026-04-04</lastmod>
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  <url>
    <loc>https://www.sploptics.com/pages/product-highspeed.html</loc>
    <lastmod>2026-04-04</lastmod>
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  <url>
    <loc>https://www.sploptics.com/pages/product-custom.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://www.sploptics.com/pages/product-beam-profiler.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <!-- 自研产品与专题页 -->
  <url>
    <loc>https://www.sploptics.com/pages/DZ-4150-ZJ.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://www.sploptics.com/pages/film-thickness.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://www.sploptics.com/pages/FTIR-microscope.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://www.sploptics.com/pages/irradiance-detector.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://www.sploptics.com/pages/laser-MPG.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://www.sploptics.com/pages/NIR-I-jixiang.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
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  <url>
    <loc>https://www.sploptics.com/pages/spectrometer_ray_trace.html</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
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  <!-- AI/LLM 引导文件 -->
  <url>
    <loc>https://www.sploptics.com/llms.txt</loc>
    <lastmod>2026-04-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.3</priority>
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