@charset "utf-8";

* {
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body,
h1,
h2,
h3,
p,
div,
ol,
ul,
input,
button {
	margin: 0;
	padding: 0
}

body {
	-webkit-text-size-adjust: 100%;
	color: #333333;
	margin: 0;
	padding: 0;
	height: 100%;
	width: 100%;
	overflow-x: hidden;
	font-family: "微软雅黑", Helvetica, "Droid Sans", Arial, sans-serif;
	background-color: #edf5f8;
}

ol,
ul {
	list-style: none
}

a {
	color: #333333;
	text-decoration: none;
}

input,
button,
textarea {
	border: 0;
	border-radius: 0;
	background: transparent;
	-webkit-appearance: none;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	outline: none;
}

button {
	outline: none
}
.back{
    position: absolute;
    height: auto;
    width: 118px;
    top: 61px;
    right: 38px;
    border-radius: 10px;
	
	
}
.home_1 {
	position: absolute;
	width: 690px;
	height: 200px;
	top: 680px;
	left: 28px;
}

.home_2 {
	position: absolute;
	width: 690px;
	height: 180px;
	top: 905px;
	left: 28px;
}

.home_3 {
	position: absolute;
	width: 690px;
	height: 200px;
	top: 1110px;
	left: 28px;
}

.view {
	position: absolute;
	width: 100vw;
	height: 100vh;
	overflow: hidden;
	background-color: #e0ecfa;
}

.view1 {
	position: absolute;
	width: 100vw;
	height: auto;
	overflow: hidden;
	background-color: #e0ecfa;
}

.scrollview {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	overflow: hidden auto;
	-webkit-overflow-scrolling: touch;
}

.tab_box {}

.tab_box img:last-child {
	display: none;
}

.tab_item {
	position: absolute;
	top: 410px;
	left: 0;
	width: 100%;
	height: 100px;
}

.tab_item span {
	display: block;
	float: left;
	width: 50%;
	height: 100%;
}

.block,
.vd_box {
	width: 100%;
	height: auto;
	overflow: hidden;
}

.vd_box {
	position: relative;
}

.ic_play {
	position: absolute;
	width: 10%;
	height: auto;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	margin: auto;
}

.block_1 {
	width: 100%;
	height: auto;
	overflow: hidden;
}

.block_bg {
	display: block;
	width: 100%;
	height: auto;
	margin: auto;
}

.block_bg_1 {
	display: block;
	width: 100%;
	height: auto;
	margin: auto;
}

.pic_bg {
	width: 100%;
	height: 100px;
	background-repeat: no-repeat;
	background-position: center;
	background-size: contain;
	background-color: #223dcc;
}

#btn_1 {
	width: 49%;
	height: 100px;
	float: left;
	cursor: pointer;
}

#btn_2 {
	width: 49%;
	height: 100px;
	float: right;
	cursor: pointer;
}

.tabs {
	display: none;
}

.tab {
	width: 100%;
	height: 100%;
	margin-top: -100%;
}

.tab>span {
	display: block;
	margin-left: 30%;
	width: 18%;
	height: 100%;
	cursor: pointer;
	background-color: aliceblue;
}

.tab .last {
	margin-left: auto;

	margin-right: 30%;
}

.block_box img.hide {
	height: 0;
}

.block_box_1 img.hide {
	height: 0;
}