body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td {
	margin: 0;
	padding: 0;
}
a {text-decoration:none}
.clear {
	clear: both
}
.zt {
	position: relative
}
.bg img {
	width: 100%
}
.wz {
	width: 100%;
	position: absolute;
	color: #fff;
	top: 10%;
	font-size: 30px;
	text-align: center
}
.an {
	width: 100%;
	position: absolute;
	top: 80%;
	display: flex;
	justify-content: center;
}

.an1 {
	width: 160px;
	height: 50px;
	background: #333333;
	border-radius: 6px;
	font-size: 18px;
	text-align: center;
	line-height: 50px;
	color: #fff;
	margin: 0 10px;
}
.an2 {
	width: 160px;
	height: 50px;
	background: #fff;
	border-radius: 6px;
	font-size: 18px;
	text-align: center;
	line-height: 50px;
	color: #4d9589;
    margin: 0 10px;
}