feat: website teaser

Author: zhangwencong317

index.html

@@ -30,7 +30,7 @@
 
 <header class="hero-video" id="top">
   <div class="hero-dim" id="heroDim"></div>
-  <video id="heroVideo" src="https://assets.kinetixai.cn/rise/teaser.mp4" autoplay muted loop playsinline preload="auto"></video>
+  <video id="heroVideo" src="https://assets.kinetixai.cn/rise3/website_teaser.mp4" autoplay muted loop playsinline preload="auto"></video>
 
 
   <div class="hero-overlay" id="heroOverlay">