* {
	margin: 0;
	padding: 0;
}

a {
	text-decoration: none;
	color: #666666;
}

a:hover {
	text-decoration: none;
	color: #3197FA
}

html {
	height: 100%;
}

body {
	position: relative;
	min-height: 100%;
}

ul {
	list-style: none;
}

/* 顶部图片 */
.banner {
	width: 100%;
	height: 500px;
	min-width: 1200px;
	background: url('../png/home-case-bannber-20200810.png') no-repeat center center;
}

.banner img {
	width: 100%;
}

/* 当前位置 */
.breadcrumb_nav {
	width: 1200px;
	line-height: 50px;
	margin: 0 auto;
	font-size: 12px;
	color: #666666
}

.breadcrumb_nav img {
	display: inline-block;
	width: 14px;
	height: 14px;
	margin-top: -3px
}

.breadcrumb_nav a:hover {
	color: #3197FA
}

/* 案例类型切换 */
.cases_content {
	width: 100%;
	background: #F5F5F7;
	padding-top: 60px
}

.cases_nav,
.cases_menu,
.cases_list {
	width: 1200px;
	margin: 0 auto;
	text-align: center
}

.cases_nav ul {
	overflow: hidden;
	margin: 0 auto;
	margin-bottom: 40px;
	display: inline-block;
}

.cases_nav ul li {
	float: left;
	background: #E6E6E6;
	font-size: 16px;
	color: #666666;
	text-align: center;
	line-height: 50px;
	width: 160px;
	margin: 0 15px;
	cursor: pointer;
}

.cases_nav ul li a {
	display: block;
	width: 100%;
	height: 100%;
}

.cases_nav ul li a:hover {
	background: #3197FA;
	color: #fff
}

.cases_nav .active {
	background: #3197FA;
}

.cases_nav .active a {
	color: #fff
}

/* 案例内容分类 */
.cases_menu {
	border: 1px solid #E6E6E6;
	height: 60px;
	background: #fff;
	margin-bottom: 30px;
	position: relative;
}

.cases_menu .cases_menu_select {
	height: 20px;
	width: 20px;
	position: absolute;
	right: 10px;
	top: 20px;
	cursor: pointer;
}

.cases_menu .cases_menu_select img {
	height: 20px;
	width: 20px
}

.cases_type {
	width: 100px;
	float: left;
	background: #F0F0F0;
	line-height: 58px;
}

.type_list {
	float: left;
	height: 60px;
	margin-left: 20px;
	max-width: 1030px;
	overflow: hidden;
}

.type_list ul {
	overflow: hidden;
	padding: 19px 0;
	margin-bottom: 0px;
}

.type_list ul li {
	float: left;
	padding: 0 10px;
	line-height: 22px;
	cursor: pointer;
	margin: 0 5px
}

.type_list ul li:not(.active) a:hover {
	color: #3197FA
}

.type_list .active {
	background: #3197FA;
}

.type_list .active a {
	color: #fff
}

/* 案例展示下拉框 */
.more_case_box {
	width: 1200px;
	background: #fff;
	position: absolute;
	top: 60px;
	z-index: 1;
	border: 1px solid #E6E6E6;
}

.more_case_box ul {
	overflow: hidden;
	height: 100%;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	margin-bottom: 0px;
	padding-left: 95px;
}

.more_case_box ul li {
	float: left;
	padding: 0 10px;
	line-height: 22px;
	cursor: pointer;
	margin: 15px 5px;
}

.more_case_box ul li:not(.active) a:hover {
	color: #3197FA
}

.more_case_box .active {
	background: #3197FA;
}

.more_case_box .active a {
	color: #fff
}

/* 案例内容列表 */
.cases_list {
	width: 1200px;
	margin: 0 auto;
	overflow: hidden;
	font-size: 14px
}

/* 显示二维码 */
.cases_list .code {
	width: 270px;
	overflow: hidden;
	height: 0;
	background: #fff;
	position: absolute;
	top: 0;
	left: 0;
	transition: height .2s;
	-moz-transition: height .2s;
	-webkit-transition: height .2s;
	-o-transition: height .2s;
}

.cases_list .code-show {
	height: 330px;
}

.cases_list .code>p {
	line-height: 60px;
	margin: 24px 0 0
}

.cases_list .code .code-pic {
	width: 180px;
	height: 180px;
	display: inline-block;
	margin: 30px 0 28px
}

.code-pic img {
	width: 100%;
	height: 100%;
}

.cases_list .code .seeDetail {
	color: #3197FA;
	position: relative;
	line-height: 12px;
}

.code a {
	color: #3197FA
}

.seeDetail .left_line,
.seeDetail .right_line {
	width: 50px;
	height: 1px;
	background: #D9D9D9;
	position: absolute;
	top: 50%
}

.seeDetail .left_line {
	left: 42px;
}

.seeDetail .right_line {
	right: 42px;
}


.cases_list ul li {
	float: left;
	width: 270px;
	height: 330px;
	background: #fff;
	margin-right: 40px;
	margin-bottom: 40px;
	cursor: pointer;
	position: relative
}

.cases_list ul li:nth-child(4n+4) {
	margin-right: 0
}

.cases_list ul li a p {
	margin-top: 24px
}

.cases_list ul li a .pic {
	width: 270px;
	height: 270px;
}

.cases_list ul li a .pic img {
	width: 100%;
	height: 100%;
}

.cases_list .active .code {
	display: block;
}

/* 页数 */
.page-bottom {
	text-align: center;
	padding-bottom: 30px;
}

.page-bottom .active span {
	background-color: #3197FA !important;
	border-color: #3197FA !important;
}