nav新增动画，修复潜在的性能和bug，优化动画流畅度

components/TrustedBySection.tsx

@@ -98,13 +98,13 @@ export default function TrustedBySection() {
         {partners.map((partner, index) => (
           <div
             key={partner.name}
-            className={`flex-shrink-0 relative overflow-hidden transition-all duration-700 ease-out ${
+            className={`flex-shrink-0 relative overflow-hidden cursor-pointer hover:brightness-0 ${
               animate
                 ? 'translate-y-0 opacity-100'
                 : 'translate-y-12 opacity-0'
             }`}
             style={{
-              transitionDelay: `${index * 100}ms`,
+              transition: `transform 0.7s ease-out ${index * 100}ms, opacity 0.7s ease-out ${index * 100}ms, filter 0.3s ease-out`,
               width: `${partner.width}px`,
               height: `${partner.height}px`,
               aspectRatio: `${partner.width}/${partner.height}`