/*  公用样式  */

* {
	margin-top: 0px;
	margin-right: 0px;
	margin-left: 0px;
	margin-bottom: 0px;
	padding: 0;
	font-family: "微软雅黑";

}

body,html {

	width: 100%;

	height: auto;

	font-family: "微软雅黑";

}

img {

	border: none;

}

.img_01 {

	width: 100%;

	height: 750px;

	background: url(../images/yf_01.jpg) center no-repeat;

}

.img_02 {

	width: 100%;

	height: 1854px;

	background: url(../images/yf_02.jpg) center no-repeat;

}

.img_03 {

	width: 100%;

	height: 1652px;

	background: url(../images/yf_03.jpg) center no-repeat;

}

.img_04 {

	width: 100%;

	height: 788px;

	background: url(../images/yf_04.jpg) center no-repeat;

}