.about_box {
	padding-top: -11px;
}

.col {
	float: left;
	padding: 0 12px;
	box-sizing: border-box;
}

.about_box .pr-content .col {
	width: 25% !important;
	transition: ease 1s all;
}

.pr-item {
	box-sizing: border-box;
	text-align: center;
	width: 100%;
	float: right;
	/* height: 100%; */
}

.pr-item div {
	width: 100%;
	height: 100%;
}

.pr-item img {
	width: 100%;
	height: 100%;
	vertical-align: top;
	border: 0;
}

.pr-item p {
	padding: 20px 20px 20px;
	color: #666;
}
.pr-item:hover b{
	color: #e8c048;
}

.pr-item b {
	margin-bottom: 4px;
}

.pr-content {
	padding-left: 15%;
	min-height: 30vh;
}

/* 左侧列表 */
.pr-towlist {
	width: 15%;
	float: left;
	box-sizing: border-box;
	padding-left: 3%;
	padding-right: 3%;
	position: absolute;
	left: 0;
	transition: cubic-bezier(0.18, 0.89, 0.32, 1.28) 1s all;
}

.list-item:hover {
	color: #000;
}

.list-item li:hover {
	color: #000;
}

.list-item li {
	font-size: 16px;
}

.list-item {
	margin: 20px 0;
}

.list-item li,.list-item a {
	display: block;
	width: 100%;
	cursor: pointer;
	color: #666;
	line-height: 2;
}

.pr-towlist li b {
	font-size: 16px;
	display: block;
	width: 100%;
	cursor: pointer;
}

.list-item b::after {
	content: '+';
	float: right;
}

.list-item:nth-of-type(1) b::after {
	content: '';
}

.list-item ul {
	display: none;
}

.hovb::after {
	content: '-' !important;
	color: #e8c048;
	font-weight: 900;
	font-size: 20;
}

.all-item {
	border-bottom: 1px solid #eaeaea;
	padding-bottom: 5px;
}

/*md*/
@media screen and (min-width: 992px) and (max-width: 1201px) {
	.about_box .pr-content .col {
		width: 50% !important;
		transition: ease 0.7s all;
	}
}

/*md*/
@media screen and (max-width: 1201px) {

	/* 左侧列表 */
	.pr-towlist {
		width: 100%;
		float: none;
		box-sizing: border-box;
		padding-left: 3%;
		padding-right: 3%;
		position: static;
		transition: cubic-bezier(0.18, 0.89, 0.32, 1.28) 1s all;
	}

	.pr-towlist>ul {
		display: flex;
		justify-content: space-around;
	}

	.list-item b::after {
		padding-left: 15px;
	}

	.pr-content {
		padding-left: 0;
	}

	/* .about_box>div>div {
		padding: 30px !important;
	} */

	.all-item {
		border: none;
	}
}

/*sm*/
@media screen and (min-width: 768px) and (max-width: 991px) {
	.about_box .pr-content .col {
		width: 50% !important;
		transition: ease 0.7s all;
	}
}

/*xs*/
@media screen and (max-width: 767px) {
	.about_box .pr-content .col {
		width: 100% !important;
		transition: ease 0.7s all;
	}

	.list-item b::after {
		padding-left: 0px;
	}
}

/* 分页 */
.page {
	width: 100%;
	margin: 70px auto;
}

.page div {
	width: 100%;
	margin: 0 auto;
	display: flex;
	justify-content: center;
	align-items: center;
}

.page b,
.page a {
	cursor: pointer;
	font-size: 14px;
	margin: 3px 10px;
	padding: 5px 10px;
	color: #666;
}

.page a.up, .page a.next {
	text-decoration: none;
	width: 40px;
	height: 40px;
	background: #fff;
	border-radius: 100%;
	overflow: hidden;
	box-shadow: 0 1px 11px 0 rgba(0, 0, 0, 0.13);
	box-sizing: border-box;
	color: #666;
	padding: 0;
}

.page a p {
	width: 80px;
	height: 40px;
}

.page a span {
	display: flex;
	width: 40px;
	height: 40px;
	justify-content: center;
	align-items: center;
	float: left;
	font-weight: 900;
}

.page a.up:hover, .page a.next:hover {
	text-decoration: none;
	background-color: #000;
}

.page .up:first-child:hover p {
	margin-left: -40px;
	transition: linear 0.5s all;
}

.page .next:hover p {
	margin-left: 0px !important;
	transition: linear 0.5s all;
}

.page b:hover {
	border-bottom: 1px solid #666;
}

#portfoliolist .portfolio {
	/* display: none; */
}

.page-active {
	border-bottom: 1px solid #666;
}

/*xs*/
@media screen and (max-width: 767px) {
	.page b,
	.page a {
		margin: 3px 5px;
	}
}
.list-item a.active{
	color: #e8c048;
}

.pr-towlist li a.all-item-link {
	font-size: 16px;
	display: block;
	width: 100%;
	cursor: pointer;
	font-weight: bolder;
}
.pr-towlist li b.active{
	color: #e8c048;
}