Standardize hero layout with sticky image across all product pages

- All product pages now have lg:sticky lg:top-24 on image container
- LINE button: bg-accent-500 orange
- Phone button: bg-white green
- Grid alignment: items-start

src/pages/durgo-avvs.astro

@@ -301,11 +301,11 @@ import BaseLayout from '@/layouts/BaseLayout.astro';
           ติดต่อเราวันนี้เพื่อรับคำแนะนำและราคาพิเศษ
         </p>
         <div class="flex flex-wrap justify-center gap-4">
-          <a href="https://line.me/ti/p/~JPPSELECTION" target="_blank" rel="noopener" class="flex items-start gap-2 bg-white text-primary-700 px-6 py-3 rounded-xl font-semibold hover:bg-primary-50 transition-colors">
+          <a href="https://line.me/ti/p/~JPPSELECTION" target="_blank" rel="noopener" class="bg-accent-500 hover:bg-accent-600 text-white py-3 px-6 rounded-xl font-semibold flex items-center gap-2">
             <svg class="w-5 h-5" fill="currentColor" viewBox="0 0 24 24"><path d="M19.365 9.863c.349 0 .63.285.63.631 0 .345-.281.63-.63.63H17.61v1.125h1.755c.349 0 .63.283.63.63 0 .344-.281.629-.63.629h-2.386c-.345 0-.627-.285-.627-.629V8.108c0-.344.282-.629.627-.629h2.386c.349 0 .63.285.63.63 0 .349-.281.63-.63.63H17.61v1.125h1.755zm-3.855 3.016c0 .27-.174.51-.432.596-.064.021-.133.031-.199.031-.211 0-.391-.09-.51-.25l-2.443-3.317v2.94c0 .344-.279.629-.631.629-.346 0-.626-.285-.626-.629V8.108c0-.27.173-.51.43-.595.06-.023.136-.033.194-.033.195 0 .375.104.495.254l2.462 3.33V8.108c0-.345.282-.629.63-.629.345 0 .63.284.63.629v4.771zm-5.741 0c0 .344-.282.629-.631.629-.345 0-.627-.285-.627-.629V8.108c0-.345.282-.629.627-.629.349 0 .631.284.631.629v4.771zm-2.466.629H4.917c-.345 0-.63-.285-.63-.629V8.108c0-.345.285-.629.63-.629.348 0 .63.284.63.629v4.141h1.756c.348 0 .629.283.629.63 0 .344-.282.629-.629.629M24 10.314C24 4.943 18.615.572 12 .572S0 4.943 0 10.314c0 4.811 4.27 8.842 10.035 9.608.391.082.923.258 1.058.59.12.301.079.766.038 1.08l-.164 1.02c-.045.301-.24 1.186 1.049.645 1.291-.539 6.916-4.078 9.436-6.975C23.176 14.393 24 12.458 24 10.314"/></svg>
             แชท
           </a>
-          <a href="tel:0905551415" class="flex items-start gap-2 bg-white/10 hover:bg-white/20 text-white px-6 py-3 rounded-xl font-semibold border border-white/30 transition-colors">
+          <a href="tel:0905551415" class="bg-white text-primary-700 hover:bg-primary-50 py-3 px-6 rounded-xl font-semibold flex items-center gap-2">
             โทร 090-555-1415
           </a>
         </div>