
html {
    width: 100%;
}
body {
	/* width: 100vw;
	height: 100vh; */
	background: #000;
	overflow-x: hidden;
    scroll-behavior: smooth !important;
    -webkit-overflow-scrolling: touch !important;
}
/* 当视口宽度大于1920px时生效 */
@media screen and (min-width: 1920px) {
    /* 这里写你的样式 */
    body {
        max-width:100% !important;
        width: 100vw !important;
    }
   
  }
.opacity0 {
	opacity: 0;
	transform: translateY(0.5rem);
	visibility: hidden;
	/* margin-top: 20px; */
	will-change: opacity, transform;
	backface-visibility: hidden;
	perspective: 1000px;
    transition: 
    opacity 1.2s ease-in-out, 
    transform 1.2s ease-in-out,
    visibility 1.2s ease-in-out;
}
