* {padding:0;margin:0;box-sizing: border-box;letter-spacing: 1px;}
html, body {position: relative;height: 100%;overflow: hidden;}
body { /* IOS禁止微信调整字体大小 */
	-webkit-text-size-adjust: 100% !important;
	text-size-adjust: 100% !important;
	-moz-text-size-adjust: 100% !important;
}
img,div{display: block;-webkit-tap-highlight-color:transparent}
a,a:hover,a:focus,a:active {text-decoration: none;}
.left {float: left;}
.right {float: right;}
.swiper-container {width: 100%;height: 100%;}
.hide{display: none;}
.pages-box{width: 750px;margin: 0 auto;height: 100%;}
.pages{width: 100vw;height: 100vh;position: relative;overflow: hidden;}
.audio_div{position:absolute;height:10vw;width:10vw;top:2%;left:2%;background:url(https://www.nbs.cn/app/nbs_app/2020yuanxiao/img/music.png) no-repeat center center;background-size:contain;z-index: 100;}
#music1, #music2{display: none;}