@media (max-width: 768px) {
  html, body {
    margin: 0 auto;
    padding: 0;
    width: 1920px; /* Match desktop width */
    height: auto;
    transform-origin: top center;
    overflow: hidden;
  }

  #zoom-wrapper {
  width: 1920px;
  height: 1080px;
  background: url(bg_body3.png) no-repeat center top;
  background-size: 100% auto;
}
.container {
  width: 1920px;
  margin: 0 auto; /* จัดกลางแนวนอน */
}
}