.main_l {

	width: 260px;
}

.main_l h3 {

	font-size: 24px;

	color: #fff;

	font-family: arial;

	line-height: 140%;

	display: block;

	padding-top: 30px;

	padding-left: 30px;

}

.main_l i {

	width: 50px;

	height: 2px;

	background: #fff;

	display: block;

	margin: 10px 0;

	margin-left: 30px;

}

.main_l span {

	font-size: 20px;

	color: #fff;

	font-family: arial;

	line-height: 140%;

	display: block;

	padding-left: 30px;

	padding-bottom: 30px;

}

.main_l .page_menu {

	width: 100%;

	/* background: #eee; */

	/* padding: 10px 30px; */

	padding: 20px;

	padding-bottom: 20px;
}

.main_l .page_menu li {

	width: 100%;

	display: block;

	/* height: 40px; */
}

.main_l .page_menu li a {

	color: #000;

	padding-left: 10px;

	border-left: 4px solid #ffffff;
}

.main_l .page_menu li a:hover {

	color: #0241e2;

}

.main_l .page_menu li a.active {
	border-left: 4px solid #0241e2;
	color: #0241e2;
}

.main_l .pro_menu {

	width: 98%;

	margin: 1%;

	background: #fff;

	padding: 15px;

}

.main_l .pro_menu ul {

	width: 100%;

}

.main_l .pro_menu ul li {

	padding: 0 10px;

	padding-bottom: 10px;

	border-top: 1px solid #ddd;

}

.main_l .pro_menu ul li:first-child {

	border-top: none;

}

.main_l .pro_menu ul li .yia {

	height: 40px;

}

.main_l .pro_menu ul li .yia a {

	line-height: 40px;

	display: block;

	text-align: left;

	font-size: 15px;

	color: #000;

	font-weight: bold;

	background: url(../images/ri.png) no-repeat right center;

}

.main_l .pro_menu ul li .yia a:hover {

	color: #0241e2;

}

.main_l .pro_menu ul li .era a {

	display: block;

	line-height: 30px;

	font-size: 15px;

	color: #5a5a5a;

}

.main_l .pro_menu ul li .era a:hover {
	color: #0241e2;
}

.main_r {
	flex: 1;
	/* width: 960px; */
	background: #efefef;
	padding: 20px;
}

.main_r_container li {
	display: flex;
	flex-direction: row;
	gap: 10px;
	background: #ffffff;
	margin-bottom: 20px;
	border-radius: 5px;
	padding: 15px;
}

.main_case {
	display: flex;
	gap: 10px;
	min-height: 500px;
	justify-content: center;
	padding: 30px;
	/* margin: 10px auto; */
	/* padding: 20px; */
}

.to-case {
	display: flex;
	justify-content: end;
	margin-top: 15px;
}

.to-case-a {
	padding: 5px 20px;
	background: #cedaea;
	border-radius: 2px;
	cursor: pointer;
	color: #0241e2;
}

.to-case-a:hover {
	font-weight: bold;
}

.line-3-limit {
	/* 设置文本只显示三行 */
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
	/* 设置文本超出部分省略 */
	text-overflow: ellipsis;
}

@media screen and (max-width:768px) {
	.main_case {
		flex-direction: column;
		padding: 0px;
	}

	.main_l {
		width: 100% !important;
		border: 1px solid #efefef;
	}

	.main_r {
		width: 100% !important;
	}
}