html, body {margin: 0;padding: 0;width: 100%;height: 100%;}
body{
	font-family: "microsoft yahei";
	line-height:1.8;
	font-size: 16px;
	background-color: #fafafa;
}
body.modal-open {position: fixed;width: 100%;}
ul,li{list-style: none;padding: 0;margin: 0;}
a {color: #1a6ddd;transition: 500ms;-moz-transition: 500ms;-webkit-transition: 500ms;-o-transition: 500ms;}
a:link {text-decoration: none;}
a:visited {text-decoration: none;}
a:hover {text-decoration: none;color: #1a6ddd;}
a:active {text-decoration: none;}
img {width: 100%;}
p {margin: 0;padding: 0;text-align: justify;}

/* 导航 */
.navbar-default {
	border: 0;
	background: #2B2B2B;
}
.navbar_bg {
	box-shadow: 0 0 10px 5px rgba(0,0,0,0.1);
	border: 0;
	background: #fff;
}
.navbar-nav {
	float: right;
	text-align: right;
}
.navbar-nav > li {
	position: inherit;
	display: inline-block;
	float: none;
	padding: 0 20px;
}
.navbar-default .navbar-nav>li>a {
	display: block;
	width: 100%;
	height: 80px;
	line-height: 80px;
	text-align: center;
	padding: 0;
    color: #fff;
	font-size: 18px;
	font-weight: 600;
}
.navbar-default .navbar-nav > li.active > a::after {
	content: "";
	position: absolute;
	border-left: 8px solid transparent;
	border-right: 8px solid transparent;
	border-bottom: 8px solid #fff;
	left: 50%;
	margin-left: -8px;
	bottom: 0;
	z-index: 999;
	transition: all 500ms;
}
.navbar-default .navbar-nav>li>a:hover {
	color: #fff;
}
.navbar-default .navbar-nav > li.active > a,
.navbar-default .navbar-nav > li.active > a:hover,
.navbar-default .navbar-nav>li:hover>a,
.navbar-default .navbar-nav>.active>a, 
.navbar-default .navbar-nav>.active>a:focus, 
.navbar-default .navbar-nav>.active>a:hover {
	color: #fff;
	background-color: transparent;
}
.navbar-default .navbar-nav > li > a:hover::after {
	content: "";
	position: absolute;
	border-left: 8px solid transparent;
	border-right: 8px solid transparent;
	border-bottom: 8px solid #fff;
	left: 50%;
	margin-left: -8px;
	bottom: 0;
	z-index: 999;
	transition: all 500ms;
}

.navbar-fixed-top {
	border-width: 0 0 0px;
}
.nav_mobile {
	display: none;
}
.navbar-default .navbar-brand {
    width: 180px;
}
.navbar-default .navbar-brand img {
    width: 100%;
}

.menu .sub_menu {
	position: absolute;
	top: 100%;
	left: 0;
	width: 100%;
	height: 80px;
	line-height: 80px;
	background-color: rgba(0,0,0,0.5);
	display: none;
	backdrop-filter: blur(10px);
}
.menu .sub_menu ul {
	position: absolute;
	top: 0;
	right: 0;
	display: none;
}
.menu .sub_menu li {
	display: inline-block;
}
.menu .sub_menu li a {
	position: relative;
	display: inline-block;
	color: #fff;
	margin-left: 40px;
    font-size: 14px;
}
.menu .sub_menu li a::after {
	content: "";
	position: absolute;
	bottom: 25px;
	left: 0;
	width: 100%;
	height: 1px;
	border-bottom: 1px solid #fff;
}

.banner {
	position: relative;
	margin-top: 80px;
}
.mySwiper {
	position: relative;
	overflow: hidden;
}
.swiper-button-next, .swiper-button-prev {
	border-radius: 100%;
	border: 1px solid #fff;
	width: 30px;
	height: 30px;
	background-size: 10px 20px;
}
.swiper-button-prev {
	left: -70px;
	background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M0%2C22L22%2C0l2.1%2C2.1L4.2%2C22l19.9%2C19.9L22%2C44L0%2C22L0%2C22L0%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E");
}
.swiper-button-next {
	right: -70px;
	background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M27%2C22L27%2C22L5%2C44l-2.1-2.1L22.8%2C22L2.9%2C2.1L5%2C0L27%2C22L27%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E");
}
.swiper-pagination-bullet {
	width: 50px;
	height: 5px;
	border-radius: 2px;
}
.swiper-pagination-bullet-active {
    background: #e1950f;
}
.swiper_title {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	margin: auto;
	font-size: 32px;
	width: 100%;
	height: 300px;
	z-index: 999;
	line-height: 300px;
	text-align: center;
	color: #fff;
	text-shadow: 0 0 10px rgba(0,0,0,0.8);
	letter-spacing: 50px;
}

.container_dark {
	background-color: #2A2B2D;
}
.container_dark2 {
	background-color: #404143;
}
.container_grey {
	background-color: #DDDDDD;
}

.page_main {
	padding: 40px 0;
}
.page_main h3 {
	position: relative;
	font-size: 24px;
	font-weight: 600;
	color: #000;
	margin-bottom: 50px;
}
.page_main h3::after {
	content: "";
	position: absolute;
	bottom: -10px;
	left: 0;
	width: 24px;
	height: 2px;
	background-color: #000;
}
.container_dark .page_main h3 {
	color: #fff;
}
.container_dark .page_main h3::after {
	background-color: #fff;
}
.container_dark .page_main p {
	color: #fff;
}

.page_content h4 {
	font-size: 16px;
	font-weight: 600;
}

/* 首页服务项目 */
.service_content {
	display: grid;
	grid-template-columns: 240px auto;
	gap: 0;
	height: 389px;
	overflow: hidden;
}
.service_content .left a {
	display: block;
	width: 100%;
	height: 130px;
	line-height: 130px;
	background-color: #666769;
	color: #fff;
	font-size: 18px;
	text-align: center;
	border-bottom: 1px solid #eee;
	border-left: 2px solid #eee;
}
.service_content .left a:nth-child(2) {
	cursor: auto;
}
.service_content .left a:nth-last-child {
	border-bottom: 0;
}
.service_content .left a:hover,
.service_content .left a.active {
	background-color: #2A2B2D;
	color: #E49610;
	border-left: 2px solid #E49610;
}
.service_content .left a:nth-child(2):hover,
.service_content .left a:nth-child(2).active {
	background-color: #666769;
	color: #fff;
	border-left: 2px solid #eee;
}
.service_content .right {
	padding: 40px;
	background-color: #2A2B2D;
}
.service_content .right > div {
	display: none;
	height: 100%;
}
.service_content .right > div.active {
	display: block;
}
.service_content .right .right_content {
	display: grid;
	grid-template-columns: 200px auto;
	gap: 40px;
	height: 100%;
}
.service_content .right .right_content .text h5 {
	color: #ccc;
	font-size: 16px;
}
.service_content .right .right_content .text h5.active {
	color: #E49610;
}
.service_content .right .right_content .text p {
	color: #ccc;
	font-size: 14px;
}
.service_content .right .right_content .text p:empty {
	width: 100%;
	height: 16px;
	margin-top: 10px;
	background-color: #333;
}
.service_content .right .right_content .image {
	width: auto;
	height: 100%;
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center;
}
.service_content .right .right_content2 {
	display: grid;
	grid-template-columns: auto;
	gap: 0;
}


.footer {
	background-color: #404C5A;
	color: #fff;
	padding: 40px 0;
	font-size: 14px;
}
.footer_left {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	gap: 60px;
}
.footer_bottom {
	margin-top: 40px;
	line-height: 22px;
}
.footer_bottom a {
	color: #fff;
	display: inline-block;
}
.footer_bottom span {
	display: inline-block;
    margin: 0px 10px;
    width: 1px;
    height: 11px;
    background-color: #ccc;
    vertical-align: middle;
    margin-bottom: 3px;
}
.footer_right {
	text-align: right;
}
.footer_right h4 {
	display: inline-block;
	font-size: 16px;
	font-weight: 600;
	margin-bottom: 8px;
	margin-top: 0;
	width: 90px;
	text-align: center;
}
.qrcode {
	display: inline-block;
	width: 90px;
	height: 90px;
	background-color: #2A2B2D;
	border: 5px solid #fff;
}

/* 公司简介 */
.company_nav ul {
	position: relative;
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
}
.company_nav ul li {
	position: relative;
	font-size: 22px;
	line-height: 80px;
	font-weight: bold;
	text-align: center;
	color: #373737;
	border-bottom: 1px solid #373737;
	cursor: pointer;
}
.company_nav ul li.active {
	color: #D0862F;
	border-bottom: 2px solid #D0862F;
}
.company_content {
	padding: 60px 0;
}
.company_content ul li {
	display: none;
}
.company_content ul li.active {
	display: block;
}
.company_introduce {
	display: grid;
	grid-template-columns: 1fr 4fr;
	gap: 60px;
}
.company_introduce img {
	width: 100%;
	border-radius: 100%;
}
.company_content h4 {
	font-weight: bold;
}


/* 项目服务 */
.project_list {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr 1fr;
	gap: 30px;
}
.container_project .page_main.page_main_right {
	padding: 0;
}

.container_project a {
	display: block;
	position: relative;
	font-size: 1.2em;
	line-height: 3em;
	color: #5F6062;
	margin-top: 2em;
	font-weight: bold;
}
.container_project a.active {
	color: #e1950f;
}
.container_project a.active::before {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 80px;
	border-bottom: 2px solid #e1950f;
}
.container_project a.active::after {
	content: "";
	position: absolute;
	bottom: -4px;
    left: 71px;
    width: 10px;
    height: 10px;
	border-top: 2px solid #e1950f;
	border-right: 2px solid #e1950f;
	transform: rotate(45deg);
}
.project_content {
	width: 100%;
	height: 100%;
	display: none;
	overflow: hidden;
}
.project_content.active {
	display: block;
}
.project_content1 {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
	margin-top: 20px;
}

/* 近期动态 */
.news_list {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	gap: 30px;
}
.news_list .pic {
	width: 100%;
	height: 200px;
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center;
}
.news_list h5 {
	font-size: 16px;
	font-weight: 600;
	margin-top: 20px;
	color: #333;
}
.news_list h5:empty {
	width: 60%;
	height: 20px;
	background-color: #333;
	margin-top: 10px;
}
.news_list p:empty {
	width: 100%;
	height: 20px;
	background-color: #ccc;
	margin-top: 16px;
}


@media screen and (max-width: 992px) {
	.navbar-nav {width: 75%;}
}

@media screen and (max-width: 768px) {
	body {
		font-size: 12px;
	}
	.navbar-default .navbar-brand {
		width: 125px;
	}
	.navbar-nav {margin: 0;width: 100%;float: left;}
	.navbar-nav>li {width: 100%;}
	.navbar-brand {margin-top: -5px;}
	.left_menu .menu {min-height: 70px;}

	.navbar-toggle {
		transition: all 500ms;
	}
	.navbar-toggle .icon-bar {
		transform-origin: right top;
	}
	.navbar-toggle.active {
		background-color: #dedede;
		z-index: 1000;
	}
	.navbar-toggle .icon-bar {
		transition: all 500ms;
	}
	.navbar-toggle.active .icon-bar:nth-child(2) {
		transform: rotate(-45deg) translate(-2px, -3px);
	}
	.navbar-toggle.active .icon-bar:nth-child(3) {
		opacity: 0;
	}
	.navbar-toggle.active .icon-bar:last-child {
		transform: rotate(45deg) translate(0px, 4px);
	}
	

	/* 手机端导航条 */
	.nav_mobile {
		position: absolute;
		top: 0;
		left: 0;
		width: 100vw;
		height: 100vh;
		background-color: rgba(0,0,0,0.3);
		z-index: 999;		
	}
	.nav_mobile .nav_menu {
		position: absolute;
		top: 0;
		left: -70%;
		width: 70%;
		height: 200%;
		background-color: #2B2B2B;
		z-index: 999;
	}
	.nav_mobile .nav_menu > li {
		width: 100%;
		line-height: 80px;
		text-align: center;
	}
	.nav_mobile .nav_menu > li a {
		display: block;
		width: 100%;
		height: 50px;
		line-height: 50px;
		text-align: center;
		padding: 0;
		color: #999;
		border-bottom: 1px solid #2b2b2b;
	}
	.nav_mobile .nav_menu > li > a {
		font-size: 16px;
		color: #fff;
		border-bottom: 1px solid #353535;
	}
	.nav_mobile .nav_menu > li.active > a {
		color: #e1950f;
	}

	.sub_menu {
		position: relative;
		top: 0;
		left: 0;
		width: 100%;
		line-height: 80px;
		background-color: rgba(0,0,0,0.1);
		display: block;
	}
	.sub_menu ul {
		position: relative;
		top: 0;
		right: 0;
		display: block;
	}
	.sub_menu li {
		display: block;
	}

	.container-fluid {
		padding-left: 0;
		padding-right: 0;
	}
	.banner {
		margin-top: 50px;
		padding-left: 15px;
		padding-right: 15px;
	}


	/* 近期动态 */
	.news_list {
		display: grid;
		grid-template-columns: 1fr;
		gap: 30px;
	}

	.project_content1 {
		grid-template-columns: 1fr;
	}

	.page_main h3 {
		margin-bottom: 40px;
		text-align: center;
	}
	.page_main h3::after {
		right: 0;
		margin: auto;
	}
	.page_content h4 {
		font-size: 14px;
	}
	.service_content {
		grid-template-columns: 1fr;
		height: auto;
	}
	.service_content .left {
		display: grid;
		grid-template-columns: 1fr 1fr 1fr;
	}
	.service_content .left a {
		height: 60px;
		line-height: 60px;
		font-size: 12px;
		border-left: 1px solid #eee;
	}
	.service_content .left a:hover, .service_content .left a.active {
		border-left: 0;
		border-bottom: 1px solid #E49610;
	}
	.service_content .left a:nth-child(2):hover, .service_content .left a:nth-child(2).active {
		border-left: 1px solid #eee;
	}
	.service_content .right {
		padding: 20px;
	}
	.service_content .right .right_content {
		grid-template-columns: 1fr 1fr;
		gap: 10px;
	}
	.service_content .right .right_content .text h5 {
		font-size: 12px;
	}
	.service_content .right .right_content .text p {
		font-size: 12px;
	}
	.service_content .right .right_content .image {
		height: 200px;
	}
	.service_content .right .right_content2 {
		grid-template-columns: 1fr;
	}

	/* 公司 */
	.company_nav ul li {
		font-size: 16px;
		line-height: 50px;
	}
	.company_introduce {
		grid-template-columns: 1fr;
		gap: 20px;
	}
	.company_content h4 {
		font-size: 16px;
	}
	.company_introduce img {
		width: 60%;
		margin: auto;
        display: block;
	}
	.page_main_m_t0 {
		padding-top: 0;
	}
	.page_main_m_b0 {
		padding-bottom: 0;
	}
	.container_project a {
		font-size: 14px;
		line-height: 2em;
		margin-top: 1em;
	}
	.project_a {
		margin-bottom: 20px;
	}
	.container_project a.active::before {
		bottom: -5px;
	}
	.container_project a.active::after {
		bottom: -9px;
	}

	.swiper-button-next {
		right: -10px;
	}
	.swiper-button-prev {
		left: -10px;
	}
	.footer {
		font-size: 11px;
	}
	.footer_left {
		grid-template-columns: 1fr;
	}
	.footer_logo {
		width: 60%;
	}
	.footer_right {
		text-align: center;
		margin-top: 20px;
		position: absolute;
        right: 14px;
        top: -139px;
	}
	
}