.walkthrough-page{background:#f5f5f5;min-height:100vh;margin:0;padding:20px;font-family:Arial,sans-serif}.walkthrough-page .container{background:#fff;border-radius:10px;max-width:1200px;margin:0 auto;overflow:hidden;box-shadow:0 2px 10px #0000001a}.walkthrough-page .video-container{background:#000;width:100%;height:0;padding-bottom:56.25%;position:relative}.walkthrough-page iframe{border:0;width:100%;height:100%;position:absolute;top:0;left:0}@media (max-width:768px){.walkthrough-page{padding:10px}}