.index {
	background: url('/clf/static/img/index_back.png');
	background-size: 100% 100%;
	background-repeat: no-repeat;
}
.index_nav {
	margin-top: 80px;
	padding: 0 15px;
	padding-bottom: 68px;
	>div {
		width: 100%;
		float: left;
		margin-bottom: 25px;
	}
}
.titles{
	display: flex;
	justify-content: left;
}
.titles>img {
	width: 530px;
}
.tags>div {
	float: left;
	font-size: 20px;
	line-height: 20px;
	cursor: pointer;
	margin-right: 40px;
	margin-top: 20px;
	font-weight: bold;
}

.search_input {
	float: left;
	width: calc(100% - 90px);
}

	.search_input>input {
		width: 100%;
		height: 55px;
		border: 0;
		text-indent: 10px;
		font-size: 14px;
		border-top-left-radius: 5px;
		border-bottom-left-radius: 5px;
	}
::-webkit-input-placeholder { /* WebKit browsers */
    color: #999;
	font-size: 18px;
	font-weight: bold;
}
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
    color: #999;
	font-size: 18px;
	font-weight: bold;
}
::-moz-placeholder { /* Mozilla Firefox 19+ */
    color: #999;
	font-size: 18px;
	font-weight: bold;
}
:-ms-input-placeholder { /* Internet Explorer 10+ */
    color: #999;
	font-size: 18px;
	font-weight: bold;
}

.search_button {
	float: left;
	width: 80px;
	height: 55px;
	line-height: 55px;
	font-size: 24px;
	color: #fff;
	background: #3072f6;
	text-align: center;
		border-top-right-radius: 5px;
		border-bottom-right-radius: 5px;
}
.main_top{
	display: flex;
	justify-content: center;
	padding-top: 5px;
}
.main_top>.item {
	width: 155px;
	float: left;
	height: 155px;
	padding: 15px 30px;
	border-radius: 10px;
	background: hsla(0,0%,100%,.5);
	border: 1px solid #fff;
	box-sizing: border-box;
	font-size: 18px;
	margin-left: 46px;
}



.main_top>.item:nth-child(1) {
	margin-left: 0;
}

.main_top>.item>img:nth-child(1) {
	width: 100%;
	text-align: center;
	>img {
		width: 100%;
	}
}

.main_top>.item>div:nth-child(2) {
	text-align: center;
	font-weight: bold;
	margin-top: 10px;
}

.main_top>.item:hover>div {
	transition: transform 50ms;
	transform: scale(1.03);
}

.main_top>.item:hover img {
	transition: transform 50ms;
	transform: scale(1.03);
}

.main_bottom {
	float: left;
	padding: 15px 30px;
	box-sizing: border-box;
	border-radius: 10px;
	background: hsla(0,0%,100%,.5);
	border: 1px solid #fff;
	height: 350px;
}

.tops {
	float: left;
	width: 100%;
	line-height: 40px;
	font-size: 18px;
	font-weight: bold;
	margin-bottom: 20px;
}

.main_bottom_left {
	width: 50%;
	float: left;
}

.main_bottom_right {
	float: right;
	width: 50%;
	height: 320px;
	white-space: nowrap;   /* 禁止换行 */
	overflow: hidden;      /* 隐藏溢出内容 */
	text-overflow: ellipsis; /* 显示省略号 */
	padding-left: 50px;
	box-sizing: border-box;
}

.news_item {
	width: 100%;
	float: left;
	margin: 0 10px 24px 10px;
	font-weight: bold;
	white-space: nowrap;   /* 禁止换行 */
	overflow: hidden;      /* 隐藏溢出内容 */
	text-overflow: ellipsis; /* 显示省略号 */
}

.news_item>.top {
	font-size: 18px;
	/* margin-bottom: 2px; */
}
.news_item>.bottom {
	font-size: 14px;
}