body {
	background-color: #1b1b1b
}

/*====================导航*********/
.header {
	width: 100%;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 999;
	height: 88px;
	padding: 0 30px;
	background: rgba(10, 10, 10, 0.9);
	box-sizing: border-box;
}

.container {
	float: left;
	/* display: flex;
    flex-direction: row; */
}

/*左侧logo*/
.header .left {
	width: 12%;
}

.header .left a {
	line-height: 88px;
}

.header .left a img {
	height: 45px;
}

.header .left .img2 {
	display: none;
}

/*右侧*/
.header .nav {
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	-o-transition: 0.5s;
	transition: 0.5s;
	height: 100%;
	line-height: 88px;
	display: block;
}

.header .navbar_nav li {
	float: left;
	position: relative;
	display: block;
}

/* .header .navbar_nav li:hover{
	border-bottom: 2px solid red;
	border-image: -webkit-linear-gradient(90deg, #00EFA1, #00E5AE, #00A6FF) 0 0 100;
     border-image: -moz-linear-gradient(90deg, #00EFA1, #00E5AE, #00A6FF) 0 0 100;
     border-image: linear-gradient(90deg, #00EFA1, #00E5AE, #00A6FF) 0 0 100;
	 position: relative;
	 bottom: 2px;
} */
.header .navbar_nav li:after {
	content: "";
	width: 0;
	height: 2px;
	background: linear-gradient(to right, #42ADFF 0%, #1D3EDE 100%);
	position: absolute;
	bottom: -2px;
	left: 0;
	transition: all 0.5s ease 0s;
}

.li_a_active {
	border-bottom: 2px solid #009AFF;
	border-image: -webkit-linear-gradient(left, #42ADFF 30%, #1D3EDE 100%) 20 20;
	border-image: -moz-linear-gradient(left, #42ADFF 30%, #1D3EDE 100%) 20 20;
	border-image: -o-linear-gradient(left, #42ADFF 30%, #1D3EDE 100%) 20 20;
	border-image: linear-gradient(left, #42ADFF 30%, #1D3EDE 100%) 20 20;
}

.header .navbar_nav li:hover:after {
	width: 100%;
}

.header .navbar_nav li a {
	text-decoration: none;
	padding: 0 25px;
	display: block;
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	-o-transition: 0.5s;
	transition: 0.5s;
	color: #fff;
	font-size: 18px;
	margin-bottom: -1px;
}

.header .navbar_nav li span {
	text-decoration: none;
	height: 100%;
	padding: 0 25px;
	display: block;
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	-o-transition: 0.5s;
	transition: 0.5s;
	color: #fff;
	font-size: 18px;
	cursor: pointer;
}

.header .navbar_nav li:hover .nav_title {
	/* font-weight: bold; */
	background: linear-gradient(to right, #42ADFF 0%, #1D3EDE 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

.dropdown_menu_arrow {
	position: relative;
}

.dropdown_menu_arrow::before {
	position: absolute;
	content: "";
	right: 10px;
	top: 40px;
	width: 0;
	height: 0;
	border-right: 5px solid transparent;
	border-left: 5px solid transparent;
	border-top: 8px solid #ffffff;
}

.nav_title_active {
	/* font-weight: bold; */
	background: linear-gradient(to right, #42ADFF 0%, #1D3EDE 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

.header .navbar_nav li.dropdown {
	display: inherit;
	position: relative;
}

.header .navbar_nav li.dropdown .jt {
	width: 20px;
	height: 20px;
	background: url(i/top.png) no-repeat;
	background-size: 100% 100%;
	display: block;
}

.header .navbar_nav li.dropdown .dropdown_menu {
	display: none;
	position: absolute;
	top: 88px;
	width: 100%;
	background: #fff;
	box-shadow: 0 15px 27px 0 rgba(167, 165, 165, 0.38);
	width: 120%;
	left: -10%;
}

.header .navbar_nav li.dropdown .dropdown_menu a {
	font-size: 14px;
	color: #666;
	padding: 0 10px;
	line-height: 40px;
	text-align: center;
	background: #fff;
	margin-bottom: 2px;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu {
	display: block;
	background: #f3f3f3;
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	-o-transition: 0.5s;
	transition: 0.5s;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu a {
	color: #666;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu a:hover {
	color: #fff;
	background: linear-gradient(to right, #42ADFF 0%, #1D3EDE 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

/*白色背景的头部*/
.header.on {
	background: #fff;
	border-bottom: 1px solid #ccc;
}

.header.on .left .img1 {
	display: none;
}

.header.on .left .img2 {
	display: block;
}

.header.on .navbar_nav li a {
	color: #333;
}

.header.on .navbar_nav li:hover a {
	color: orangered;
}

#navToggle {
	display: none;
	position: absolute;
	top: 50%;
	right: 1.25rem;
	padding: 0 !important;
	transform: translate(0, -25%);
}

.m_nav {
	position: fixed;
	top: 0px;
	right: 0;
	box-shadow: 0 15px 27px 0 rgba(167, 165, 165, 0.38);
	width: 30%;
	height: 100%;
	background: #fff;
	transition: all ease 0.5s;
	-webkit-transition: all ease 0.5s;
	z-index: 1000;
	opacity: 1;
	visibility: visible;
	margin-top: 0;
	overflow-y: auto;
	transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
	transform: translateX(100%);
}

.m_nav.open {
	transform: translateX(0);
}

.m_nav .top {
	height: 60px;
	padding: 20px;
	box-sizing: border-box;
}

.m_nav .top .closed {
	width: 30px;
	height: 30px;
	vertical-align: middle;
	float: right;
	cursor: pointer;
}

.m_nav .logo {
	width: 100%;
	margin: 0 auto;
}

.m_nav .logo img {
	height: 88px;
	display: block;
	margin: 30px auto;
}

.m_nav .ul {
	margin-top: 30px;
}

.m_nav .ul li {
	padding: 0 20px;
	border-bottom: 1px solid #f5f5f5;
	transform: translateY(0);
	-webkit-transform: translateY(100%);
	transform: translateY(100%);
	-webkit-transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
	transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
	opacity: 0;
}

.m_nav.open .ul li {
	opacity: 1;
	-webkit-transform: translateY(0);
	transform: translateY(0);
}

.m_nav .ul li:nth-child(1) {
	-webkit-transition: all .2s cubic-bezier(.77, 0, .175, 1) 0ms;
	transition: all .2s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(2) {
	-webkit-transition: all .4s cubic-bezier(.77, 0, .175, 1) 0ms;
	transition: all .4s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(3) {
	-webkit-transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
	transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(4) {
	-webkit-transition: all .8s cubic-bezier(.77, 0, .175, 1) 0ms;
	transition: all .8s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(5) {
	-webkit-transition: all 1.0s cubic-bezier(.77, 0, .175, 1) 0ms;
	transition: all 1.0s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(6) {
	-webkit-transition: all 1.2s cubic-bezier(.77, 0, .175, 1) 0ms;
	transition: all 1.2s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li a {
	display: block;
	text-decoration: none;
	color: #333;
	font-size: 16px;
	height: 88px;
	line-height: 88px;
	width: 100%;
}

.m_nav .ul li .dropdown_menu {
	display: none;
}

.m_nav .ul li.dropdown.active .dropdown_menu {
	display: block;
}

.m_nav .ul li .dropdown_menu a {
	display: block;
	height: 88px;
	line-height: 88px;
	padding: 0 40px;
	box-sizing: border-box;
	border-bottom: 1px solid #f5f5f5;
}

.m_nav .ul li .dropdown_menu a:hover {
	color: #fff;
	background: linear-gradient(to right, #42ADFF 0%, #1D3EDE 100%);
}

.m_nav .ul li .dropdown_menu a:last-child {
	border: none;
}

.banner {
	width: 100%;
}

.banner img {
	width: 100%;
}

@media screen and (max-width: 992px) {
	.header {
		padding: 0 10px;
	}

	.header #navToggle {
		height: 100%;
		padding: 9px 15px;
		margin-right: -15px;
		display: inline-block;
		float: right;
	}

	.header #navToggle span {
		position: relative;
		width: 25px;
		height: 1px;
		margin-top: 19px;
	}

	.header #navToggle span:before,
	.header #navToggle span:after {
		content: '';
		position: relative;
		width: 100%;
		height: 1px;
		left: 0;
	}

	.header #navToggle span,
	.header #navToggle span:before,
	.header #navToggle span:after {
		-webkit-transition: 0.3s;
		-moz-transition: 0.3s;
		-o-transition: 0.3s;
		transition: 0.3s;
		display: block;
		background: #ffffff;
	}

	.header #navToggle span:before {
		top: 8px;
	}

	.header #navToggle span:after {
		bottom: 10px;
	}

	.header #navToggle.open span:before {
		top: 10px;
		-webkit-transform: translateY(-11px) rotate(-45deg);
		-moz-transform: translateY(-11px) rotate(-45deg);
		-ms-transform: translateY(-11px) rotate(-45deg);
		-o-transform: translateY(-11px) rotate(-45deg);
		transform: translateY(-11px) rotate(-45deg);
	}

	.header #navToggle.open span:after {
		bottom: 12px;
		-webkit-transform: translateY(10px) rotate(45deg);
		-moz-transform: translateY(10px) rotate(45deg);
		-ms-transform: translateY(10px) rotate(45deg);
		-o-transform: translateY(10px) rotate(45deg);
		transform: translateY(10px) rotate(45deg);
	}

	.header #navToggle.open span {
		background: none;
	}

	.header #navToggle.open span:before,
	.header #navToggle.open span:after {
		background: #ffffff;
	}

	.header .nav {
		display: none;
	}

	.banner img {
		height: 600px;
		object-fit: cover;
	}
}