.container{width:100%; position: relative;}

/* 导航样式 start */
/* 导航菜单 - 初始状态 */
.topMenu{
	height: 10.8rem;
	width: 100%;
	background: rgba(0, 0, 0, 0.2);
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	transition: all 0.3s ease;
}
.topBox{
	width: 130rem;
	margin-left: auto;
	margin-right: auto;
}

/* 导航菜单 - 固定顶部状态 */
.topMenu.fixed {
	position: fixed !important;
	top: 0 !important;
	left: 0 !important;
	right: 0 !important;
	width: 100% !important;
	background: rgba(0, 0, 0, 0.9) !important;
	box-shadow: 0 2px 10px rgba(0,0,0,0.3);
	z-index: 9999;
}

.topMenu .topBox .logo{ position: relative; width: 61rem; float: left;}
.topMenu .topBox .menu{ position: relative; width: 69rem;  float: right;}

/* 导航菜单样式 */
.topMenu .menu .nav {
	list-style: none;
	margin: 0;
	padding: 0;
	height: 10.8rem;
	display: flex;
	align-items: center;
	justify-content: flex-end;
	position: relative;
}

.topMenu .menu .nav > li {
	position: relative;
	margin-left: 3em;
}

.topMenu .menu .nav > li > a {
	color: #fff;
	text-decoration: none;
	font-size: 1.8rem;
	padding: 1em 0.5em;
	display: block;
	transition: color 0.3s ease;
}

.topMenu .menu .nav > li > a:hover {
	color: #fff;
}

/* 滑动蓝色块 */
.topMenu .menu .nav .nav-slider {
	position: absolute;
	top: 93%;
	/*transform: translateY(-50%);*/
	transform: translateX(-52%);
	width: 10em;
	height: 0.4em;
	background: #00d2ff;
	transition: all 0.3s ease;
	opacity: 0;
	pointer-events: none;
	z-index: -1;
}

.topMenu .menu .nav .nav-slider.active {
	opacity: 1;
}

/* 子菜单样式 */
.topMenu .menu .nav .submenu {
	list-style: none;
	margin: 0;
	padding: 0;
	position: absolute;
	top: 125%;
	left: 50%;
	transform: translateX(-50%);
	background-color: rgba(0, 0, 0, 0.9);
	box-shadow: 0 2px 8px rgba(0,0,0,0.3);
	border-radius: 0 0 8px 8px;
	width: 10em;
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease;
	z-index: 100;
	overflow: hidden;
}

.topMenu .menu .nav .submenu::before {
	content: '';
	position: absolute;
	top: -8px;
	left: 50%;
	transform: translateX(-50%);
	border-left: 8px solid transparent;
	border-right: 8px solid transparent;
	border-bottom: 8px solid #000;
}

/*.topMenu .menu .nav .submenu li {
	border-bottom: 1px solid #333;
}*/

.topMenu .menu .nav .submenu li:last-child {
	border-bottom: none;
}

.topMenu .menu .nav .submenu li a {
	color: #fff;
	text-decoration: none;
	padding: 0.5em 0.1em;
	display: block;
	font-size: 1.6rem;
	transition: all 0.3s ease;
	white-space: nowrap;
	text-align: center;
}

.topMenu .menu .nav .submenu li a:hover {
	background: #00d2ff;
	color: #fff;
}

/* 鼠标悬停显示子菜单 */
.topMenu .menu .nav > li.has-submenu:hover .submenu {
	opacity: 1;
	visibility: visible;
}
/* 导航样式 end */


/* 焦点图样式  start*/
.banner {
	width: 100%;
	height: 82rem;
	position: relative;
	overflow: hidden;
}

.banner-slider {
	width: 100%;
	height: 100%;
	position: relative;
}

.banner-slider .slide {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-size: cover;
	background-position: center;
	opacity: 0;
	transition: opacity 1s ease;
}

.banner-slider .slide.active {
	opacity: 1;
}

/* 焦点图指示条 */
.banner-dots {
	position: absolute;
	bottom: 2em;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 0.8em;
	z-index: 100;
}

.banner-dots .dot {
	width: 14rem;
	height: 0.4rem;
	/*border-radius: 2px; 圆角*/
	background: rgba(255, 255, 255, 0.4);
	cursor: pointer;
	transition: all 0.3s ease;
}

.banner-dots .dot.active {
	background: #fff;
}

.banner-dots .dot:hover {
	background: rgba(255, 255, 255, 0.7);
}

/* 焦点图左右切换按钮 */
.banner-arrow {
	position: absolute;
	top: 56.5%;
	transform: translateY(-50%);
	width: 7rem;
	height: 7rem;
	border: 1px solid;
	border-color: rgba(255, 255, 255, 0.7);
	border-radius: 50%;
	cursor: pointer;
	z-index: 100;
	transition: all 0.3s ease;
	display: flex;
	align-items: center;
	justify-content: center;
}

.banner-arrow:hover {
	background: rgba(255, 255, 255, 0.1);
}

.banner-prev {
	left: calc((100% - 130rem) / 2);
}

.banner-next {
	right: calc((100% - 130rem) / 2);
}

/* 箭头 */
.banner-prev::before {
	content: '';
	width: 0;
	height: 0;
	border-top: 6px solid transparent;
	border-bottom: 6px solid transparent;
	border-right: 6px solid #fff;
	margin-right: 2px;
}

.banner-next::before {
	content: '';
	width: 0;
	height: 0;
	border-top: 6px solid transparent;
	border-bottom: 6px solid transparent;
	border-left: 6px solid #fff;
	margin-left: 2px;
}
/* 焦点图样式 end */



/* 内容区start */
.contentTitle{
	width: 40rem;
	margin-left: auto;
	margin-right: auto;
	height: 18rem;
	text-align: center;
	background: url(../img/contentTitleBg.jpg) no-repeat;
}
.contentTitle h3{
	padding-top: 5.7rem;
	font-size: 3rem;
}
.contentTitle span{
	font-size: 1.6rem;
	line-height: 3rem;
}
.section{
	position: relative;
	width: 130rem;
	margin-left: auto;
	margin-right: auto;
	overflow: hidden;
}
.box_l{
	position: relative;
	float: left;
	width: 64rem;
}
.box_r{
	position: relative;
	float: right;
	width: 64rem;
}
.box_s{
	position: relative;
	float: left;
}
.margin_r{
	margin-right:1.2rem ;
}
.margin_b{
	margin-bottom:1.2rem ;
}
.text_s p{
	font-size: 1.6rem;
	line-height: 3.2rem;
	text-indent: 3.2rem;
	margin-bottom: 2.6rem;
}
.text_s ul{
	float: left;
	margin: 5rem 0rem 0rem 10rem;/*顺序：上右下左*/
}
.text_s ul,li{
	list-style-type: none;
	font-size: 1.6rem;
	line-height: 3.6rem;
}
.button_more{
	display: inline-block;
	width: 12rem;
	height: 3.8rem;
	background-color: #161817;
	border: 1px solid #00d2ff;
	border-radius: 3rem;
	text-align: center;
	line-height: 3.8rem;
	font-size: 1.4rem;
	color: #fff;
	text-decoration: none;
}
.button_more:hover{
	background-color: #00d2ff;
}
.button_more2{
	display: inline-block;
	width: 12rem;
	height: 3.8rem;
	background-color: #161817;
	border: 1px solid #00d2ff;
	border-radius: 3rem;
	text-align: center;
	line-height: 3.8rem;
	font-size: 1.4rem;
	color: #fff;
	text-decoration: none;
	margin-left: 1rem;
	margin-right: 1rem;
}
.box_img{
	position: relative;
	float: left;
}
.box_img span{
	position: absolute;
	z-index: 99;
	display: block;
	width: 31.4rem;
	height: 2.6rem;
	background: rgba(0, 0, 0, 0.6);
	text-align: center;
	font-size: 1.6rem;
	bottom: 0;
}
.margin_r_o{
	margin-right:1.4rem ;
}
.box_center{
	position: relative;
	width: 12rem;
	margin-left: auto;
	margin-right: auto;
}
.box_center2{
	position: relative;
	width: auto;
	left:33%;
	margin-left: auto;
	margin-right: auto;
}
.padding_a{
	float: right; 
	padding-top: 3.5rem; 
	padding-bottom: 3.2rem; 
	padding-right: 5rem;
}
.footer{
	height: auto;
	margin-top: 8rem;
	background-color: #000;
}
.logo_b{
	width: 50%;
	padding-top: 3rem;
}
.box_f_l{
	width: 80%;
	float: left;
}
.box_f_r{
	width: 20%;
	float: left;
}
.box_f_l span{
	font-size: 1.6rem;
	line-height: 3.4rem;
}
.box_f_r span{
	display: inline-block;
	font-size: 1.6rem;
	line-height: 3.4rem;
}
.box_f_r img{
	margin-left: 0.4rem;
}
.infor_f{
	padding-top: 1rem;
}
.menu_f{
	float: right;
	width: 100%;
	padding-top: 5.8rem;
}
.menu_main{
	border-bottom: 1px solid #404040;
	height: 3.9rem;
}
.menu_main li{
	width: 23%;
	float: left;
	font-size: 1.6rem;
	text-align: right;
}
.menu_main li span{
	display: inline-block;
	border-bottom: 3px solid #00d2ff;
}
.menu_sub{
	padding-top: 1rem;
	padding-left: 5rem;
}
.menu_sub li{
	width: 100%;
	padding-left: 3.1rem;
	line-height: 3rem;
}
.menu_sub li a,a.but_index{
	width: 100%;
	display: inline-block;
	color: #c4c4c4;
	text-decoration: none;
	font-size: 1.5rem;
	text-align: left;
}
.menu_sub li a:hover,a.but_index:hover{
	text-decoration: underline;
}
hr{ 
	border: none;
    height: 1px;
    background:#666;
    /* background: linear-gradient(90deg, transparent, hsl(210, 80%, 50%), transparent); 两边向中间渐变的蓝色线条效果*/
   margin-top: 2rem;
}
.copyright{
	height: 5rem;
	line-height: 4rem;
	text-align: right;
	color: #c4c4c4;
	font-size: 1.4rem;
}
/* 首页 end */


.sub_banner{
	text-align: center;
	height: 41rem;
}
.crumb_box{
	width: 100%;
	height: 5.2rem;
	padding-top: 2.4rem;
	background-color: #000;
	font-size: 1.5rem;
}
.crumb_box ul{
	margin-top: -0.5rem;
}
.crumb_box ul li{
	float: left;
	margin-left: 8rem;
	height: 5.3rem;
}
.crumb_box ul li.underline{
	border-bottom: 4px solid #00D2FF;
}
.crumb_box a{
	font-size: 1.5rem;
	text-decoration: none;
	color: #fff;
	height: 5.3rem;
	display: inline-block;
}
.crumb_box a:hover{
	border-bottom: 4px solid #00D2FF;
}
.crumb_box img{
	margin-right: 0.5rem;
}
.crumb_box .crumb_l{ 
	float: left;
}
.crumb_box .crumb_r{ 
	float: right;
}
.main{
	height: auto;
	margin-top: 6.5rem;
}
.main p{
	text-indent: 3.1rem;
	font-size: 1.6rem;
	line-height: 3rem;
	padding-bottom: 2rem;
}
.main_pic{
	overflow: hidden;
	margin-top: 2rem;
}
.main_pic ul li{
	position: relative;
	float: left;
	list-style-type: none;
	padding-bottom: 1rem;
}
.main_pic ul li img{
	width: 100%;
}
.brand_box{
	background-color: #fff;
	height: 26rem;
	padding-bottom: 4rem;
}
.brand_box .title {
	position: relative;
	width: 100%;
	height: 8.5rem;
	padding-top: 4rem;
}
.brand_box .title h4{
	position: absolute;
	left: 45.3%;
	z-index: 90;
	color: #000;
	font-size: 2rem;
	text-align: center;
}
.brand_box .title span{
	display: inline-block;
	position: absolute;
	left: 44.2%;
	top: 5.8rem;
	z-index: 89;
	width: 15rem;
	height: 1.5rem;
	background-color: #00d2ff;
}
.brand_pic ul{
	width: 116rem;
	margin-left: auto;
	margin-right: auto;
}
.brand_pic ul li{
	float: left;
	margin-left: 1rem;
	margin-right: 1rem;
}
.main_more{
	background-color: #000; 
	overflow: hidden;
	padding-bottom: 5rem;
}
.case_box .title {
	position: relative;
	width: 100%;
	height: 8.5rem;
	padding-top: 4rem;
}
.case_box .title h4{
	position: absolute;
	left: 45.3%;
	z-index: 90;
	color: #fff;
	font-size: 2rem;
	text-align: center;
}
.case_box .title span{
	display: inline-block;
	position: absolute;
	left: 43.5%;
	top: 5.8rem;
	z-index: 89;
	width: 10rem;
	height: 1.5rem;
	background-color: #00d2ff;
}