.container_a ul{
	margin: 0;
	padding: 0;
}

.column_navigation {
	max-width: 1200px;
	margin: 0 auto;
}

.column_navigation .column_title {
	border-bottom: 3px solid #EAEAEA;
	margin: 5px 0 20px;
	padding: 5px 0;
	color: #666666;
}

.column_navigation .column_content .content {
	overflow: hidden;
	margin: 5px 0;
}

.column_navigation .column_content .content2 ul {
	overflow: hidden;
	list-style: none;
	float: left;
	width: 95%;
	/*height: 30px;*/
}

.column_navigation .column_content .content2 ul li {
	float: left;
	margin-right: 14px;
	height: 30px;
	color: #666666;
	font-size: 15px;
}

.column_navigation .column_content .content2 ul li a {
	color: #666666;
	text-decoration: none;
}

.column_navigation .column_content .content2 ul li a:hover {
	color: #CE272E;
}

.column_navigation .column_content .content ul {
	overflow: hidden;
	float: left;
	list-style: none;
	width: 95%;
	height: 30px;
}

.column_navigation .column_content .content ul li {
	float: left;
	margin-right: 14px;
	height: 30px;
	color: #666666;
	font-size: 15px;
}

.column_navigation .column_content .content ul li a {
	color: #666666;
	text-decoration: none;
}

.column_navigation .column_content .content ul li a:hover {
	color: #CE272E;
}

.column_navigation .column_content .content ul li:first-child a {
	color: #CE272E;
	font-weight: 700;
	text-decoration: none;
}

.column_navigation .column_content .content .column_btn {
	/*width: 5%;*/
	text-align: center;
	float: right;
}

.rotate1 {
	animation: 0.1s linear 0s myrotate;
	animation-fill-mode: forwards;
}

@keyframes myrotate {
	form {
		transform: rotateX(0deg);
	}
	to {
		transform: rotateX(180deg);
	}
}

.btn_img {
	cursor: pointer;
    width: 16px;
    display: inline-block;
    font-size: 20px;
    font-weight: bold;
    color: #666666;
}

.column_ul_h {
	height: auto !important;
}


/*窗口< 1200px*/

@media screen and (max-width: 1200px) {
	.container_a {
		padding: 0 10px;
	}
}


/*窗口< 991.98px*/

@media screen and (max-width: 991.98px) {
	.column_navigation .column_content .content ul {
		width: 95%;
	}
	.column_navigation ul li {
		font-size: 16px !important;
	}
}

/*窗口< 769px*/

@media screen and (max-width: 769px) {
	.column_navigation .column_content .content ul {
		width: 94%;
	}
}


/*窗口< 320px*/

@media screen and (max-width: 321px) {
	.column_navigation .column_content .content ul {
		width: 92%;
	}
}