.header {
	width: 100%;
	height: auto;
	background: rgba(242, 242, 242, 1);
}

.header .header_top {
	display: flex;
	justify-content: flex-start;
	line-height: 69px;
	width: 1200px;
	margin: 0 auto;
}

.header .header_top .header_top_item:nth-child(1) {
	width: 35%;
	height: 70px;
}
.header .header_top .header_top_item:nth-child(2) {
	width: 20%;
	height: 70px;
}
.header .header_top .header_top_item:nth-child(3) {
	width: 30%;
	height: 70px;
}
.header .header_top .header_top_item:nth-child(4) {
	width: 15%;
	height: 70px;
}

.header .header_top .header_top_item ul {
	width: 100%;
}

.header .header_top .header_top_item ul li {
	color: #757373;
	font-size: 18px;
	float: right;
	width: 40%;
	cursor: pointer
}

.header .header_top .header_top_item .date {
	font-size: 18px;
	font-family: PingFang SC;
	font-weight: 500;
	color: rgba(117, 115, 115, 1);
}

.header .header_top .header_top_item input {
outline: none;
	width: 250px;
	height: 39px;
	border: 1px solid rgba(48, 78, 174, 1);
	text-align: center;
}

.header .header_top .header_top_item .button {
	outline: none;
    border: 0;
    width: 90px;
    height: 41px;
    position: relative;
    top: 16px;
    right: 14px;
    background: #304EAE url(head_search.png) center no-repeat;
    cursor: pointer;
}

.header .header_center {
	width: 100%;
	height: 373px;
	background: url(head_logo.png) center no-repeat;
}

.header .header_bottom {
	width: 100%;
	height: 50px;
	background: rgba(48, 78, 174, 1);
}

.header_bottom_item {
	width: 1210px;
	height: 50px;
	margin: 0 auto;
}

.header .header_bottom .header_bottom_item ul {
	width: 100%;
	height: 50px;
}

	
.header .header_bottom .header_bottom_item ul li {
	height: 45px;
	text-align: center;
	float: left;
	width: 151px;
	line-height: 50px;
}

.header .header_bottom .header_bottom_item ul li a {
	font-size: 22px;
	font-family: PingFang SC;
	font-weight: 600;
	color: rgba(255, 255, 255, 1);
}
.act{
	border-bottom: 5px solid #8CA8FE;
	}