html,
body {
	height: 100%;
	margin: 0;
	padding: 0;
}

body {
	font-family: 'STHeiti', 'Microsoft YaHei', Helvetica, Arial, sans-serif;
	margin: 0;
}

#container {
	margin: 0 auto;
	max-width: 511px;
	height: 100%;
	overflow: hidden;
	position: relative;
}

img {
	vertical-align: top;
	width: 100%;
	height: auto;
}

.main {
	margin-left: -3.92rem;
	padding-bottom: 1.9rem;
	width: 7.84rem;
	position: absolute;
	left: 50%;
	top: 76%;
}

.main .list {
	margin: 0 auto 1.14rem;
	width: 6.35rem;
}

.main .list li {
	margin-bottom: 0.76rem;
}

.main .btnUl li {
	padding: 0 0.2rem;
	float: left;
	box-sizing: border-box;
}

.banner {
	width: 100%;
	position: absolute;
	left: 0;
	bottom: 0;
	z-index: 1;
}

.banner a {
	width: 1.74rem;
	display: block;
	position: absolute;
	right: 0.28rem;
	top: 0.08rem;
}

.background-image {
    position: absolute;

	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	z-index: -1;
      max-width: 100%;    

}