    html,
    body {
    	position: relative;
    	height: 100%;
    }
    
    body {
    	background: #eee;
    	font-family: "微软雅黑",Helvetica Neue, Helvetica, Arial, sans-serif;
    	font-size: 14px;
    	color: #000;
    	margin: 0;
    	padding: 0;
    }
    
    .swiper-container {
    	width: 100%;
    	height: 100%;
    	background: url(../image/bg.png) no-repeat;
    	background-size: 100% 100%;
    	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../image/bg.png', sizingMethod='scale');
    	background-attachment: fixed;
    }
    
    .bg2 {

    	background: url(../image/bg2.jpg) no-repeat;
    	background-size: 100% 100%;
    	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../image/bg2.jpg', sizingMethod='scale');
    	background-attachment: fixed;
    }
    
    .bg3 {

    	background: url(../image/bg3.jpg) no-repeat;
    	background-size: 100% 100%;
    	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../image/bg3.jpg', sizingMethod='scale');
    	background-attachment: fixed;
    }
    .bg4 {

    	background: url(../image/bg4.jpg) no-repeat;
    	background-size: 100% 100%;
    	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../image/bg4.jpg', sizingMethod='scale');
    	background-attachment: fixed;
    }
    .deepshd {
  color: #e0dfdc;
  background-color: #333;
  letter-spacing: .1em;
  text-shadow: 1px 2px 2px black;
}
    .swiper-slide {
    	text-align: center;
    }
    .animg{
    	position:absolute;
    }
    
    .btn-music {
    	width: 40px;
    	height: 40px;
    	background-color: transparent;
    	background-size: 40px 40px;
    	background-image: url(../image/normalmusic.svg);
    	position: fixed;
    	top: 1.5rem;
    	right: 1.5rem;
    	z-index: 999;
    	border-radius: 50%;
    	padding: 0;
    	animation: btnMusicAni 1s infinite linear;
    }
    
    .btn-music.paused {
    	opacity: 0.4;
    	animation: none;
    }
    
    @keyframes btnMusicAni {
    	0% {
    		transform: rotate(0deg);
    	}
    	100% {
    		transform: rotate(360deg);
    	}
    }