.ad_title_img {
	float: left;
}
.at_lf {
	padding: 23px 19px 30px 19px;
	border: 1px solid #eaeaea;
	margin-top: 22px;
	box-sizing: border-box;
}
.ad_title_box {
	margin-bottom: 63px;
}
.ad_title {
	width: 700px;
	margin-top: 16px;
	font-size: 22px;
	color: #3b3b3b;
	float: left;
}
.ad_title p {
	color: #72757e;
	font-size: 14px;
	margin-top: 13px;
}
.ad_article_box {
	width: 100%;
	height: 70px;
	margin-top: 36px;
	border-top: 1px solid #eaeaea;
	padding: 47px 0 67px;
	box-sizing: border-box;
	font-size: 16px;
}
.ad_article_box .pre {
	float: left;
	font-weight: bold;
}
.ad_article_box .next {
	float: right;

	font-weight: bold;
}
.ad_article_box .no-hover-pre {
	float: left;
	color: #72757e;
	font-weight: bold;
}
.ad_article_box .no-hover-next {
	float: right;
	color: #72757e;
	font-weight: bold;
}
.ad_article_box .no-hover:hover {
	color: #72757e !important;
}
.ad_article_box .pre:hover,
.ad_article_box .next:hover {
	color: #d6000f;
}
.ad_case_box {
	margin-top: 40px;
	float: left;
	border: 1px solid;
	border: 1px solid #eaeaea;
	padding: 30px 19px;
}
.ad_case_box .drawing-list .drawingItem:nth-child(3n + 3) {
	margin-right: 0;
}
.at_lt_box {
	float: left;
	width: 895px;
}
/* .at_rt{
  position: absolute;
  right: 30px
} */
.caseItem {
	width: 272px;
	height: 202px;
}
.more_find {
	float: right;
	color: #72757e;
	font-size: 14px;
}
.more_find:hover {
	font-weight: bold;
}
.look {
	font-size: 22px;
	color: #3b3b3b;
}
.more_find img {
	margin-left: 10px;
}
.case {
	background-color: #f7f7f7;
}
.navigation {
	border: none;
}
.navigation a:hover {
	border-bottom: 1px solid #999;
}
.ad_title span {
	margin-right: 32px;
}
.drawingItem {
	width: 273px;
	height: 220px;
	margin-right: 18px;
}
.drawingItem-down {
	font-size: 14px;
	color: #333;
	height: 50px;
	overflow: hidden;
	padding-top: 5px;
}
.drawingItem-down p {
	font-size: 14px;
}
.drawing-list {
	margin-top: 24px;
}
.ad_main img {
	max-width: 855px;
}
.ad_main p {
	word-wrap: break-word;
	/* white-space: pre-wrap; */
	/* overflow: hidden; */
}
.ad_article_box a {
	color: #000;
}
.rt_hot_item a:hover {
	font-weight: bold;
}
.at_box {
	position: relative;
}
.at_box .at_rt {
	position: relative;
	top: 0;
	right: 0;
}
.at_rt_item_fixed_top {
	background-color: #fff;
	position: fixed;
	top: -10px;
}
.at_rt_item_fixed_bottom {
	position: absolute;
	bottom: 0;
}