:root {
            --primary-color: #f6700b;
            --text-color: #333333;
            --footer-bg: #f5f9fd;
            --border-color: #eaeaea;
        }
        
        * {
            box-sizing: border-box;
        }
        
        body {
            font-family: 'HarmonyOS_Sans_SC_Medium','Microsoft YaHei', sans-serif;
            font-size: 16px;
            color: var(--text-color);
            line-height: 1.6;
        }
        
          /* 头部样式 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease;
        }
       
        .header-scrolled {
           background:#fff;
        }
        .header-scrolled .navbar-nav .nav-link{color:#333 !important;}
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        
        .navbar-nav .nav-link {
            color:#fff !important;
            font-weight: 500;
            padding: 0rem 1rem;
            margin: 0 0.2rem;
            transition: color 0.3s;
            position: relative;
        }
        
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--primary-color);
        }
		.nav-item{height:73px;line-height:73px;}
		.dropdown-menu{top:83px;}
		.nav-item .dropdown-menu{line-height:1.8;}
        
        /* PC端下拉菜单 */
        @media (min-width: 992px) {
            .navbar-nav .nav-item.dropdown:hover .dropdown-menu {
                display: block;
                margin-top: 0;
            }
            
            .dropdown-menu {
                display: none;
                position: absolute;
                background-color: var(--dropdown-bg);
                min-width: 220px;
                box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
                border: none;
                border-radius: 8px;
                padding: 0;
				
                overflow: hidden;
                z-index: 1001;
                animation: fadeInDown 0.3s ease;
            }
            
            .dropdown-item {
                padding: 0.75rem 1.5rem;
                color: var(--text-color);
                transition: all 0.2s ease;
                border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            }
            
            .dropdown-item:last-child {
                border-bottom: none;
            }
            
            .dropdown-item:hover {
                background-color: var(--dropdown-hover);
                color: var(--primary-color);
                padding-left: 1.8rem;
            }
            
            /* 产品中心超大下拉菜单 */
            .mega-dropdown {
                position: static;
            }
            
            .mega-dropdown-menu {
                width: 100%;
                left: 0;
                right: 0;
                padding: 1rem 2rem;
                background-color: white;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
                border-radius: 0 0 10px 10px;
            }
            .productsub{min-height:500px;max-height:1000px;overflow-y:scroll;}
            .product-tabs {
                margin-bottom: 1.2rem;
                border-bottom: 1px solid var(--border-color);
            }
            
            .product-tab {
                background: none;
                border: none;
                padding: 0.5rem 1.5rem;
                font-weight: 500;
                color: #666;
                cursor: pointer;
                position: relative;
                transition: all 0.3s;
            }
            
            .product-tab:hover {
                color: var(--primary-color);
            }
            
            .product-tab.active {
                color: var(--primary-color);
            }
            
            .product-tab.active:after {
                content: '';
                position: absolute;
                bottom: -1px;
                left: 0;
                width: 100%;
                height: 2px;
                background-color: var(--primary-color);
            }
            
            .product-grid {
                display: none;
            }
            
            .product-grid.active {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 2.5rem 1.5rem;
            }
            
            .product-item {
                text-align: left;
                text-decoration: none;
                color: var(--text-color);
                transition: all 0.3s;
            }
            
            .product-item:hover {
                transform: translateY(-5px);
            }
            
            .product-img {
                width: auto;
                height: 70px;
                object-fit: contain;
                float:left;
                margin-right:15px;
                background-color: var(--light-gray);
                border-radius: 5px;
                padding: 0rem;
                transition: all 0.3s;
            }
            
            .product-item:hover .product-img {
                background-color: rgba(246, 112, 11, 0.05);
            }
            
            .product-title {
                font-weight: 500;
                font-size: 1.1rem;
                font-weight:600;
                line-height: 1.4;
            }
            .product-title p{font-size:0.85rem;font-weight:normal;margin-top:10px;color:#666;}
            /* 解决方案下拉菜单 */
            .solution-dropdown-menu {
                width: 100%;
                left: 0;
				position:absolute;
                padding: 1.5rem;
				background:#fff;
            }
             .case-dropdown-menu {
                width: 100%;
                left: 0;
				position:absolute;
                padding: 1.5rem;
				background:#fff;
            }
            
			.solution-dropdown-menu .d-lg-block{display:flex !important;}
            .solution-item {
                display: flex;
                margin: 1.5rem;
				background:#f5f9fd;
				border-radius:8px;
				flex:33.3%;
            }
            
            .solution-item:last-child {
                margin-bottom: 0;
                padding-bottom: 0;
                border-bottom: none;
            }
            
            .solution-img {
                width: 35%;
                height: auto;
                object-fit: cover;
                border-radius: 8px;
                margin-right: 1.5rem;
            }
            
            .solution-content {
                flex: 1;
				padding:1rem;
            }
            
            .solution-title {
                font-size: 1rem;
                font-weight: 600;
                margin-bottom: 0.8rem;
                color: var(--text-color);
            }
            
            .solution-desc {
                color: #666;
                font-size: 0.9rem;
                line-height: 1.5;
                margin-bottom: 1rem;
            }
            
            .solution-btn {
                display: inline-block;
                padding: 0.2rem 1.2rem;
                background-color: transparent;
                color: var(--primary-color);
                border: 1px solid var(--primary-color);
                border-radius: 4px;
                font-size: 0.85rem;
                text-decoration: none;
                transition: all 0.3s;
                float: right;
            }
            
            .solution-btn:hover {
                background-color: var(--primary-color);
                color: white;
            }
        }
        
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .navbar-toggler {
            border: none;
            padding: 0.5rem;
        }
        
        .navbar-toggler:focus {
            box-shadow: none;
        }
        
        /* 手机端导航样式 */
        @media (max-width: 991.98px) {
            .dropdown-menu {
                border: none;
                background-color: transparent;
                padding-left: 1rem;
            }
            
            .dropdown-item {
                padding: 0.5rem 0;
                color: var(--text-color);
            }
            
            .dropdown-item:hover {
                background-color: transparent;
                color: var(--primary-color);
            }
            
            .product-tabs {
                display: none;
            }
            
            .product-grid {
                display: none;
            }
            
            .solution-dropdown-menu,.case-dropdown-menu,
            .mega-dropdown-menu {
                position: static;
                width: 100%;
                transform: none;
                box-shadow: none;
                padding: 0;
                background-color: transparent;
            }
            
            .solution-item {
                flex-direction: column;
                margin-bottom: 1.5rem;
            }
            
            .solution-img {
                width: 100%;
                height: 150px;
                margin-right: 0;
                margin-bottom: 1rem;
            }
            
            .solution-btn {
                float: none;
            }
        }
        
        /* 轮播图区域 */
        .hero-swiper {
            width: 100%;
            
            overflow:hidden;
        }
        .hero-swiper .herocon{position:absolute;z-index:23;left:0px;top:0px;width:100%;height:100%;}
        .hero-slide {
            position: relative;
            height: 100%;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
        }
        

        .hero-content {
            position:relative;
            width:100%;
            height:100%:;
            z-index: 2;
            color: #444;
            max-width: 50%;
            padding: 0 1rem;
        }
        
        .hero-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        
        .hero-subtitle {
            font-size: 2rem;
            margin-bottom:1rem;
            line-height: 1.6;
            opacity: 0.9;
        }
        .herocon li{font-size:1rem;}
        .hero-subtitlea{font-weight:bold;font-size:1.3rem;margin-bottom:2rem;}
        .hero-buttons {
            
			margin-top:2rem;
			
        }
        
        .btn-primary-custom {
            background-color: var(--primary-color);
            color: white;
            padding: 0.6rem 2rem;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: none;
        }
        
        .btn-primary-custom:hover {
            color:#fff;
            transform: translateY(-3px);
           
        }
        
        .btn-outline-customa {
            background-color: transparent;
            color: white;
            padding: 0.4rem 2rem;
            border-radius: 4px;
			background:#1a3c66;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: 2px solid #1a3c66;
            
        }
        
        .btn-outline-customa:hover {
            color:#fff;
            transform: translateY(-3px);
        }
        .hero-swiper .swiper-pagination-bullet{width:70px;border-radius:2px;backbround:rgba(255,255,255,0.3);height:5px;}
		.hero-swiper .swiper-pagination-bullet-active{background:#fff;}
		.hero-swiper .swiper-button-next{right:-10px;border-radius:10px;}
		.hero-swiper .swiper-button-prev{left:-10px;border-radius:10px;}
		.hero-swiper .swiper-pagination{bottom:40px;}
		
        /* 产品展示区域 */
        .section {
            padding:4rem 0;
        }
        .hexincon{margin-top:4rem;}
		.hexincona{margin-top:0rem;}
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-color);
        }
        
        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: #666;
            max-width: 700px;
            margin: 0 auto 3rem;
            line-height: 1.6;
        }
        
        
        .product-card {
            overflow: hidden;
            transition: all 0.3s;
            margin-bottom: 2rem;
			position:relative;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
        }
        
        .product-card-img {
            height: auto;
            overflow: hidden;
        }
        
        .product-card-img img {
            width: 100%;
            height: auto;
            transition: transform 0.5s;
        }
        

        
        .product-card-content {
			position:absolute;
			top:5%;
			left:0px;
			text-align:center;
			z-index:9;
            padding: 1rem;
			width:100%;
        }
        
        .product-card-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-color);
        }
        
        .product-card-desc {
            color: #666;
            margin-bottom: 0.5rem;
            line-height: 1.5;
			font-size:.9rem;
        }
        .product-card-content a{color:#1a3c66;padding:0px 5px;font-size:0.9rem;}
        .product-card-buttons {
            display: block;
			background:none;
        }
        
        .more-products {
            text-align: center;
            margin-top: 1rem;
        }
        .more-products a{color:#333;font-size:1rem;}
        /* 核心技术区域 */
        .tech-item {
            text-align: center;
            padding: 2rem;
            background: url(jishubg.png) left top no-repeat;
            height: 100%;
            transition: all 0.3s;
        }
        
        .tech-item:hover {
            transform: translateY(-10px);
        }
        
        .tech-icon {
            width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
        }
        
        .tech-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-color);
        }
        
        .tech-desc {
            color: #666;
            line-height: 1.6;
			font-size:.9rem;
        }
        
        /* 解决方案轮播区域 */
		.solutiont {padding:0px;}
		.solutiont .section-title{position:absolute;z-index:10;left:0px;top:10%;text-align:center;width:100%;}
        .solution-swiper {
            padding: 0;
            position: relative;
        }
        
        .solution-slide {
            position: relative;
            overflow: hidden;
        }
        .solution-slide a{color:#fff;}
        .solution-slide-bg {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .solution-slide-content {
            position: absolute;
            bottom: 30%;
            left: 15%;
			z-index:9;
            width: 100%;
            color: white;
            padding: 2rem;
        }
        
        .solution-slide-title {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
        }
        
        .solution-slide-desc {
            font-size: .9rem;
            opacity: 0.9;
            margin-bottom: 1.5rem;
            line-height: 1.9;
        }
        
        .solution-tabs {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
			bottom:0px;
			position:absolute;
			left:0px;
			width:100%;
			background:rgba(50,77,104,0.3);
			z-index:10;
        }
        
        .solution-tab {
            background: none;
            border: none;
            padding: 0.8rem 1.5rem;
            font-size: 1.1rem;
            font-weight: 500;
            color: #666;
            cursor: pointer;
            transition: all 0.3s;
			position:relative;
            border-radius: 4px;
        }
        .solution-tab:hover,
        .solution-tab.active {color:#fff;}
        .solution-tab:hover:before,
        .solution-tab.active:before {
            content:'';
			height:2px;width:100%;display:block;position:absolute;top:0px;left:0px;
            background-color:#f6700b;
        }
        
		.solutiont  .swiper-button-next{border-radius:10px;right:-10px;}
		.solutiont .swiper-button-prev{border-radius:10px;left:-10px;}
		.containera{width:96%;margin:0px auto;}
		.containerb{width:92%;margin:0px auto;}
        /* 视频中心轮播区域 */
        .video-swiper {
            padding: 3rem 0 5rem;
            position: relative;
        }
        
        .video-slide {
            transition: all 0.3s;
            opacity: 0.6;
            transform: scale(1) !important;
        }
        
        .video-slide.swiper-slide-active {
            opacity: 1;
            transform: scale(1) !important;
        }
        
        .video-item {
            position: relative;
            border-radius: 10px;
            overflow: hidden;
            cursor: pointer;
            aspect-ratio: 16 / 9;  /* 根据需要修改，或动态设置 */
    object-fit: cover; 
        }
        
        .video-thumb {
            width: 100%;
            object-fit: cover;
        }
        
        .video-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background-color: rgba(246, 112, 11, 0.8);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.8rem;
            transition: all 0.3s;
			background:url(play.png) left top no-repeat;
			background-size:cover;
        }
        
        .video-item:hover .video-play-btn {
            background-color: rgba(212, 94, 0, 0.9);
            transform: translate(-50%, -50%) scale(1.1);
        }
        
        .video-title {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 1rem;
            font-weight: 500;
        }
        .shipinpos{position:relative;}
		.shipinpos .swiper-wrapper{position:static;}
		.shipinpos .swiper-button-prev{left:-10px;border-radius:10px;} .shipinpos .swiper-button-next{right:-10px;border-radius:10px;}
		
		.video-tabs {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
			bottom:0px;
			position:absolute;
			left:0px;
			width:70%;
			z-index:10;
			border-top:1px solid #ccc;
			left:15%;
        }
        
        .video-tab {
            background: none;
            border: none;
            padding: 0.8rem 1.5rem;
            font-size: 1.1rem;
            font-weight: 500;
            color: #666;
            cursor: pointer;
            transition: all 0.3s;
			position:relative;
            border-radius: 4px;
        }
        .video-tab:hover,
        .video-tab.active {color:#f6700b;}
        .video-tab:hover:before,
        .video-tab.active:before {
            content:'';
			height:2px;width:100%;display:block;position:absolute;top:0px;left:0px;
            background-color:#f6700b;
        }
		
		
        /* 合作伙伴区域 */
        .partner-stats {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            margin-bottom: 3rem;
        }
        
        .stat-item {
            text-align: center;
            padding: 2rem;
            flex: 1;
            min-width: 250px;
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: #333;
            margin-bottom: 0.5rem;
        }
        
        .stat-text {
            font-size: 1.2rem;
            color: #666;
        }
        
        .partner-logos {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
			margin-bottom:2rem;
        }
        
        .partner-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
			width: calc(25% - 20px); /* 25%宽度减去间距 */
  margin: 5px; /* 间距 */
        }
        
        .partner-logo:hover {
            transform: translateY(-5px);
        }
        
        .partner-logo img {
            max-width: 100%;
            transition: filter 0.3s;
        }
        
  
        /* 关于我们区域 */
        .about-section {
            background-color: var(--dark-bg);
            color: white;
        }
        
        .about-title {
            color: white;
        }
        
        .about-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }
        
        .about-cards {
            display: flex;
            flex-wrap: wrap;
			margin-top:3rem;
        }
        
        .about-card {
            flex: 1;
            text-align: center;
            transition: all 0.5s;
            cursor: pointer;
            position: relative;
            z-index: 1;
        }
        .about-card>img{width:100%;}
		.yih{display:none;}
		.accon{position:absolute;top:0px;left:0px;width:100%;height:100%;text-align:center;z-index:3;}
        .about-card.active {
            transform: scale(1.05);
            z-index: 2;
        }
        .about-card:hover .yi{display:none;}
		.about-card:hover .yih{display:inline-block;}
		.achui{position:absolute;background:rgba(255,255,255,0.5);left:0px;top:0px;width:100%;height:100%;}

        .about-card-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
			margin-top:40%;
        }
        
        .about-card-title {
            font-size: 1rem;
            font-weight: 600;
            padding-bottom: 1rem;
			color:#444;
			position:relative;
        }
        .about-card-title:after{content:"";height:2px;width:60px;background:#6381a6;bottom:0px;left:50%;margin-left:-30px;position:absolute;}
		.about-card.active .about-card-title:after{background:#fff;}
		.about-card.active .achui{background:rgba(0,0,0,0.5);}
		.about-card.active .about-card-title{color:#fff;}
        .about-card-desc {
            display:none;
            line-height: 1.6;
			font-size:.8rem;
			width:80%;margin-left:10%;margin-top:3rem;
        }
        .about-card.active .about-card-desc{display:block;}
        /* 新闻中心区域 */
		.newposition{position:relative;overflow:hidden;}
		.newposition .news-swiper{position:static;}
		.newposition .swiper-button-next{border-radius:10px;right:-10px;}
		.newposition .swiper-button-prev{border-radius:10px;left:-10px;}
        .news-swiper {
            padding: 3rem 0 4rem;
        }
        
        .news-slide {
            overflow: hidden;
            height: 100%;
            transition: all 0.3s;
        }
        
        .news-slide:hover {
            transform: translateY(-5px);
        }
        
        .news-img {
            overflow: hidden;
        }
        
        .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .news-slide:hover .news-img img {
            transform: scale(1.05);
        }
        
        .news-content {
            padding: 1.5rem 0;
        }
        
        .news-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 1rem;
            line-height: 1.4;
        }
        .news-title a{color:#444;}
		.news-slide:hover a{color:var(--primary-color);}
        .news-date {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        
        .news-excerpt {
            color: #666;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }
        
        .news-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
        }
        
        .news-link i {
            margin-left: 0.5rem;
            transition: transform 0.3s;
        }
        
        .news-link:hover i {
            transform: translateX(5px);
        }
        .news-swiper .swiper-pagination-bullet{height:4px;width:80px;border-radius:1px;background:#ccc;}
		 .news-swiper  .swiper-pagination-bullet-active{background:var(--primary-color);}
		 .containerb .swiper-pagination{bottom:5rem;}
		 img{max-width:100%;}
		 .section-title img{max-width:80%;}
        /* 视频弹窗 */
        .video-modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.85);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }
        
        .video-modal {
            width: 90%;
            max-width: 900px;
            background-color: #222;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            margin:0px auto;
        }
        
        .video-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.5rem;
            background-color: #111;
            color: white;
        }
        
        .video-modal-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 0;
        }
        
        .close-modal-btn {
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .close-modal-btn:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--primary-color);
        }
        
        .video-modal-body {
            padding: 0;
        }
        
        .video-player-container {
            width: 100%;
            height: 0;
            padding-bottom: 56.25%; /* 16:9 比例 */
            position: relative;
        }
        
        #videoPlayer {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        
       /* 底部样式 */
        footer {
            background-color: var(--footer-bg);
            padding: 3rem 0 2rem;
			padding-bottom:0px;
        }
        
        .footer-logo {
            font-weight: 700;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            display: block;
        }
        
        .qr-codes {
            display: flex;
            gap: 1rem;
        }
        
        .qr-code {
            width: 120px;
            height: 120px;
            background-color: #fff;
            border-radius: 4px;
            display: flex;
			padding:5px;
            align-items: center;
            justify-content: center;
            color: #777;
            font-size: 0.8rem;
        }
        .qr-code img{max-width:100%;}
        .footer-links h5 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
            color: var(--text-color);
        }
        
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        
        .footer-links li {
            margin-bottom: 0.6rem;
        }
        
        .footer-links a {
            color: #666;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links p{margin-bottom:0px;color:#999;}
		.copyright{border-top:1px solid #ccc;color:#999;text-align:center;line-height:3;width:100%;}
		.copyright a{color:#999;padding-left:10px;text-decoration:none;}
        .footer-links a:hover {
            color: var(--primary-color);
        }
        
        .contact-phone {
            font-size: 1.1rem;
            font-weight: 700;
            color:#000;
        }
        .col-md-33{width:20%;}
        /* 响应式调整 */
        @media (max-width: 992px) {
            body {
                padding-top: 70px;
            }
            
            .article-title {
                font-size: 1.8rem;
            }
            
            .footer-links {
                margin-top: 2rem;
            }
        }
        
        @media (max-width: 768px) {
			.back-btn{font-size:1.3rem;}
            .article-title {
                font-size: 1.6rem;
            }
			.product-card{margin-bottom:1rem;}
			.section{padding:2rem 0px;width:100%;}
			.product-card-title{margin-bottom:.5rem;}
			.product-card-desc{margin-bottom:.3rem;}
			.product-card-content{top:1%;}
            .col-md-33{width:50%;}
			.copyright{margin-top:20px;}
            .article-navigation {
                flex-direction: column;
            }
			.about-cards{display:block;}
			.about-card{float:left;width:50%;}
            
            .nav-article {
                max-width: 100%;
                margin-bottom: 1rem;
            }
            
            .nav-article:last-child {
                margin-bottom: 0;
            }
            
            .qr-codes {
                justify-content: flex-start;
                margin-bottom: 2rem;
            }
        }
        
        @media (max-width: 576px) {
            .related-article {
                flex-direction: column;
            }
            
            .related-article-img {
                width: 100%;
                height: 150px;
                margin-right: 0;
                margin-bottom: 1rem;
            }
        }
        
        /* 链接通用样式 */
        a {
            color: var(--primary-color);
			text-decoration:none;
        }
        
        a:hover {
            color: #d45e00;
        }
        
        /* 图标字体替代方案 */
        .icon-arrow-left::before {
            content: "←";
        }
        
        .icon-arrow-right::before {
            content: "→";
        }
        
        .icon-menu::before {
            content: "☰";
        }
		
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            
            
            .hero-title {
                font-size: 2.2rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .hero-swiper {
                height: 500px;
            }
        }
        
        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .solution-tabs,.video-tabs{display:none;}
            .section-title {
                font-size: 1.8rem;
            }
            
            .hero-swiper {
                height: 450px;
            }
            
            
            
            .solution-slide {
                height: 650px;
            }
            
            .stat-item {
                min-width: 200px;
            }
            
            .partner-logo {
                width: 150px;
                height: 80px;
            }
			.solution-slide-content{bottom:10%;left:10%;}
        }
        
        @media (max-width: 576px) {
            .hero-swiper {
                height: 400px;
            }
            
            .hero-title {
                font-size: 1.6rem;

            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
            
           
            
            .solution-slide {
                height: 500px;
            }
            
            .partner-logo {
                width: 130px;
                height: 70px;
            }
        }
        
        /* 自定义Swiper导航按钮 */
        .swiper-button-next, .swiper-button-prev {
            color: white;
            background-color: rgba(0, 0, 0, 0.2);
            width: 50px;
            height: 80px;
            border-radius: 50%;
            transition: all 0.3s;
        }
        
        .swiper-button-next:after, .swiper-button-prev:after {
            font-size: 1.5rem;
        }
        
        .swiper-button-next:hover, .swiper-button-prev:hover {
            background-color: var(--primary-color);
        }
        
        .swiper-pagination-bullet {
            width: 12px;
            height: 12px;
            background-color: rgba(255, 255, 255, 0.5);
            opacity: 1;
        }
        
        .swiper-pagination-bullet-active {
            background-color: var(--primary-color);
        }
        
        /* 视频Swiper特殊样式 */
        .video-swiper .swiper-button-next, 
        .video-swiper .swiper-button-prev {
            color: var(--primary-color);
            background-color: white;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        
        .video-swiper .swiper-button-next:hover, 
        .video-swiper .swiper-button-prev:hover {
            background-color: var(--primary-color);
            color: white;
        }
		.hai{display:none;}
		.header-scrolled .hai{display:block;}
		.header-scrolled .bai{display:none;}
		.bai,.hai{max-height:70px;}
.footer-logo img{max-width:100%;}
@media (min-width: 1920px) {
			.back-btn{font-size:20px;color:rgba(102, 102, 102, 1);font-family:HarmonyOS_Sans_SC_Medium;}
			.back-btn img{margin-right:5px;}
			.main-content article{max-width:96%;}
			.article-title{overflow-wrap: break-word;
    color: rgba(51, 51, 51, 1);
    font-size: 28px;
    font-family: HarmonyOS_Sans_SC_Medium;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    line-height: 25px;}
	.article-date{    overflow-wrap: break-word;
    color: rgba(102, 102, 102, 1);
    font-size: 14px;
    font-family: HarmonyOS_Sans_SC_Light;
    font-weight: 300;
    text-align: left;
    white-space: nowrap;
    line-height: 25px;
	margin-top:30px;
	}
	.article-content{    overflow-wrap: break-word;
    color: rgba(51, 51, 51, 1);
    font-size: 16px;
    font-family: HarmonyOS_Sans_SC_Light;
    font-weight: NaN;
    text-align: left;
    line-height: 28px;}
	.article-content p{margin:15px 0px;}
	.related-article-title{    overflow-wrap: break-word;
   	color:rgba(33, 33, 33, 1);
    font-size: 14px;
    font-family: HarmonyOS_Sans_SC;
    font-weight: NaN;
    text-align: left;
    white-space: nowrap;
    line-height: 26px;}
	.related-article:hover .related-article-title{ color: rgba(246, 112, 11, 1);}
	.product-card-title{font-size:26px;margin-bottom:30px;}
	.product-card-content{top:60px;}
	.product-card-desc{    color: rgba(33, 33, 33, 1);
    font-size: 18px;
    font-family: HarmonyOS_Sans_SC_Light;
    font-weight: 300;}	
	.product-card-content a {  color:rgba(26, 60, 102, 1);
    font-size: 18px;
    font-family: HarmonyOS_Sans_SC_Light;
    font-weight: 300;}	
	.product-card-content a:hover{color:var(--primary-color);}
	.more-products a{    background-color: rgba(26, 60, 102, 0);
    border-radius: 8px;
    width: 240px;
    height: 46px;
	display:block;margin:0px auto;
    border: 1px solid rgba(33, 33, 33, 1);
}
.more-products a:hover{border: 1px solid var(--primary-color);}
.tech-title{color: rgba(33, 33, 33, 1);
    font-size: 24px;
    font-family: HarmonyOS_Sans_SC_Medium;
	line-height:1.5;
    font-weight: 500;}
	.tech-item{padding:2rem 4rem;}
.tech-desc{color: rgba(102, 102, 102, 1);
    font-size: 16px;margin-top:30px;
    font-family: HarmonyOS_Sans_SC_Light;
    font-weight: 300;}
.solution-slide-title{font-size: 40px;
    font-family: HarmonyOS_Sans_SC_Medium;
    font-weight: 500;}
.solution-slide-desc{    color: rgba(255, 255, 255, 1);
    font-size: 20px;
    font-family: HarmonyOS_Sans_SC_Light;}
.solution-slide-content a{    background-color: rgba(246, 112, 11, 0);
    border-radius: 8px;
    width: 156px;display:inline-block;line-height:46px;text-align:center;
    height: 46px;margin-top:40px;
    border: 1px solid rgba(255, 255, 255, 0.5);}
.solution-tab{font-weight:300;color: rgba(255, 255, 255, 1);
    font-size: 22px;
    font-family: HarmonyOS_Sans_SC_Light;}

.solution-tab.active{color: rgba(255, 255, 255, 1);
    font-size: 22px;
    font-family: HarmonyOS_Sans_SC;}

.stat-number{    color: rgba(0, 0, 0, 1);
    font-size: 48px;
    font-family: HarmonyOS_Sans_SC_Bold;
    font-weight: 700;}
.about-card-title{    color: rgba(33, 33, 33, 1);
    font-size: 18px;
    font-family: HarmonyOS_Sans_SC_Bold;
    font-weight: 700;}
.about-card-desc{    color: rgba(255, 255, 255, 1);
    font-size: 16px;
    font-family: HarmonyOS_Sans_SC;}
.news-title{    color: rgba(51, 51, 51, 1);
    font-size: 22px;
    font-family: HarmonyOS_Sans_SC_Medium;
    font-weight: 500;}
.news-date{    color: rgba(153, 153, 153, 1);
    font-size: 14px;
    font-family: HarmonyOS_Sans_SC;}
}
.hero-title,.hero-subtitle{color:rgba(33, 33, 33, 1);}

@media (min-width: 1200px) {
    .hero-title{font-size:2rem;}
    .hero-subtitle{font-size:1.1rem;}
    .hero-swiper .herocon{padding-top:3%;}
    .video-tabs{width:90%;left:5%;}
    .video-tab{font-size:.9rem;}
    .footer-links a{font-size:1rem;}
    .herocon li{font-size:0.9rem;}
    .col-md-33{width:16%;}
    .col-md-33:nth-child(3){width:30%;}
    .col-md-33:nth-child(5){width:20%;}
    .footer-links a{font-size:.9rem;}
     .hero-content {
            position: relative;
            z-index: 2;
            color: #444;
            max-width: 50%;
            padding:2rem 1rem 5rem 1rem;margin-left:0rem;
        }
    .indexabout{ display: flex;flex-direction: column;justify-content: center;
  align-items: center;height:100%;}
    .indexabout p{text-indent:2em;color:#444;font-size:1rem;line-height:1.6;}
    
    /* 解决方案版块主容器 - 不干扰其他区域 */
        .solutiona-wrapper {
            padding: 60px 0;
            background-color: #ffffff;
            font-family: 'Segoe UI', system-ui, -apple-system, 'Roboto', 'Helvetica Neue', sans-serif;
        }
        
        /* 内容容器 宽度自适应，采用bootstrap container 风格复用但不破坏独立性 */
        .solutiona-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 版块标题 (可选，但符合通用解决方案版块气场) 不影响tab结构 */
        .solutiona-heading {
            text-align: center;
            margin-bottom: 48px;
        }
        
        .solutiona-heading h2 {
            font-size: 32px;
            font-weight: 700;
            color: #1e293b;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        
        .solutiona-heading p {
            font-size: 18px;
            color: #5b6e8c;
            max-width: 620px;
            margin: 0 auto;
        }
        
        /* Tab 导航栏 - 一行显示，支持响应式滚动或弹性换行，但保持一行风格溢出时滚动 */
        .solutiona-tabs-nav {
            display: flex;
            flex-wrap: nowrap;      /* 强制一行 */
            overflow-x: auto;
            overflow-y: hidden;
            gap: 8px;
            justify-content: center;
            margin-bottom: 40px;
           
            padding-bottom: 0;
            scrollbar-width: thin;
            -webkit-overflow-scrolling: touch;
        }
        
        /* 自定义滚动条美观 */
        .solutiona-tabs-nav::-webkit-scrollbar {
            height: 4px;
        }
        
        .solutiona-tabs-nav::-webkit-scrollbar-track {
            background: #f1f1f1;
            border-radius: 10px;
        }
        
        .solutiona-tabs-nav::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 10px;
        }
        
        /* Tab 按钮样式 */
        .solutiona-tab-btn {
            flex: 0 0 auto;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            background: transparent;
            border: none;
            border-bottom: 3px solid transparent;
            color: #4a5b7a;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: inherit;
            letter-spacing: 0.3px;
            background-color: #fff;
            border-radius: 0;
            margin-bottom: -1px;
        }
        
        .solutiona-tab-btn:hover {
            color: #2c3e66;
           
        }
        
        .solutiona-tab-btn.solutiona-active {
            color: #2563eb;
           
            font-weight: 700;
        }
        .solutiona-tab-btn img{padding-bottom:1rem;}
        /* 内容面板区 - 左文右图布局 */
        .solutiona-panels {
            margin-top: 20px;
        }
        
        .solutiona-panel {
            display: none;
            animation: solutionaFade 0.25s ease-out;
        }
        
        .solutiona-panel.solutiona-active-panel {
            display: block;
        }
        
        @keyframes solutionaFade {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 左文右图核心网格布局 (使用flex / 栅格，自定义样式，尽量不依赖bootstrap栅格也可，但可混用bootstrap类保持响应式，但命名独立确保安全)
           此处采用纯flex布局 + 响应式 */
        .solutiona-content-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            background:#fafcfe;
            border-radius:14px;
        }
        
        /* 左侧文字区 */
        .solutiona-text-area {
            flex: 1.2;
            min-width: 260px;
            padding:1rem;
        }
        
        .solutiona-text-area h3 {
            font-size: 28px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        
        .solutiona-text-area .solutiona-description {
            font-size: 16px;
            line-height: 1.6;
            color: #334155;
            margin-bottom: 24px;
        }
        
        .solutiona-feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px 0;
        }
        
        .solutiona-feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
            font-size: 15px;
            color: #1e293b;
        }
        
        .solutiona-feature-list li i {
            color: #2563eb;
            font-size: 18px;
            width: 24px;
            text-align: center;
        }
        
        .solutiona-btn-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: #2563eb;
            color: white;
            padding: 10px 26px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 14px;
            text-decoration: none;
            transition: background 0.2s;
            border: none;
            cursor: pointer;
        }
        
        .solutiona-btn-link:hover {
            background-color: #1d4ed8;
            text-decoration: none;
            color: white;
        }
        
        /* 右侧图片区域 */
        .solutiona-image-area {
            flex: 1;
            min-width: 280px;
            text-align: center;
        }
        
        .solutiona-image-area img {
            max-width: 100%;
            border-radius: 14px;
            
            transition: transform 0.3s ease;
            width: 100%;
            object-fit: cover;
            height: auto;
            background-color: #f9f9ff;
        }
        
        .solutiona-image-area img:hover {
            transform: scale(1.01);
        }
        .biao2{display:none;}
        .solutiona-active .biao2{display:block;margin:0px auto;}
        .solutiona-active .biao1{display:none;}}
        @media (min-width: 1400px) {
    .hero-title{font-size:46px;}
    .hero-subtitle{font-size:22px;}
    .hero-swiper .herocon{padding-top:3%;}
    .video-tabs{width:90%;left:5%;}
    .video-tab{font-size:.9rem;}
    .footer-links a{font-size:1rem;}
    .col-md-33{width:16%;}
    .col-md-33:nth-child(3){width:30%;}
    .col-md-33:nth-child(5){width:20%;}
    .footer-links a{font-size:.9rem;}
    .herocon li{line-height:1.8;}
     .hero-content {
            position: relative;
            z-index: 2;
            color: #444;
            max-width: 50%;
            padding: 2rem 0;margin-left:0rem;
        }
        .footer-links h5 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 1.2rem;
    color: rgba(33, 33, 33, 1);
}
     .footer-links a{font-size:16px;color:rgba(137, 136, 136, 1);}   
     .footer-links li{margin-bottom:15px;}
}
        /* 响应式调整: 在移动端左文右图堆叠 */
        @media (max-width: 768px) {
            .solutiona-content-grid {
                flex-direction: column;
                gap: 30px;
            }
            
            .solutiona-text-area {
                text-align: center;
            }
            
            .solutiona-feature-list li {
                justify-content: center;
            }
            
            .solutiona-btn-link {
                justify-content: center;
            }
            
            .solutiona-tab-btn {
                padding: 8px 20px;
                font-size: 14px;
            }
            
            .solutiona-wrapper {
                padding: 40px 0;
            }
            
            .solutiona-text-area h3 {
                font-size: 24px;
            }
        }
        
        /* 确保整体兼容bootstap+jq并且无冲突 */
        .solutiona-wrapper * {
            box-sizing: border-box;
        }
        .case-dropdown-menu .d-lg-block{display: grid !important;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;   /* 间距1rem */
    
}
   /* -------- 侧边栏容器 -------- */
    .sidebar {
      position: fixed;
      right: 0;
      top: 50%;
      transform: translateY(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 16px;
     
      z-index: 10;
    }

    /* 每个图标项 */
    .sidebar-item {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 56px;
      height: 56px;
      border-radius: 30px;
      background: #f6700b;
      cursor: default;
    }

    /* 图标本身 (白色) */
    .sidebar-item svg {
      width: 28px;
      height: 28px;
      fill: white;
      stroke: white;
      stroke-width: 1.5;
      display: block;
      transition: transform 0.2s;
    }


    /* -------- 悬浮卡片（电话/微信） -------- */
    .tooltip-card {
      position: absolute;
      right: 72px;                /* 刚好在图标右侧 */
      top: 50%;
      transform: translateY(-50%);
      background: #f6700b;
      border-radius: 20px;
      padding: 16px 20px;
      min-width: 180px;
      box-shadow: 0 12px 32px rgba(0, 0, 0, 0.13);
      opacity: 0;
      visibility: hidden;
      border: 1px solid rgba(246, 112, 11, 0.08);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
    }

    /* 小三角箭头 (指向图标) */
    .tooltip-card::after {
      content: '';
      position: absolute;
      right: -10px;
      top: 50%;
      transform: translateY(-50%);
      width: 0;
      height: 0;
      border-top: 10px solid transparent;
      border-bottom: 10px solid transparent;
      border-left: 12px solid #f6700b;
      filter: drop-shadow(1px 0 4px rgba(0,0,0,0.04));
    }

    /* 显示卡片 — 鼠标悬浮在 .sidebar-item 上时 */
    .sidebar-item:hover .tooltip-card {
      opacity: 1;
      visibility: visible;
    }

    /* 卡片内文字 (电话号/二维码标签) */
    .tooltip-card .label {
      font-weight: 600;
      font-size: 15px;
      color: #fff;
      letter-spacing: 0.3px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .tooltip-card .label span {
      background: #f6700b10;
      padding: 2px 10px;
      border-radius: 40px;
      font-size: 13px;
      color: #fff;
    }

    /* 电话号码特殊样式 (大而清晰) */
    .tooltip-card .phone-number {
      font-size: 20px;
      font-weight: 600;
      color: #fff;
      padding: 6px 16px;
      letter-spacing: 0.5px;
      width: 100%;
      text-align: center;
    }

    /* 二维码图片容器 */
    .tooltip-card .qr-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      margin-top: 4px;
    }

    .tooltip-card .qr-wrapper img {
      display: block;
      width: 110px;
      height: 110px;
      padding: 4px;
      background: white;
    }

    .tooltip-card .qr-wrapper .hint {
      font-size: 15px;
      color: #5f5f6b;
      padding: 2px 16px;
      letter-spacing: 0.3px;
      margin-top: 2px;
    }

    /* 针对微信卡片微调 */
    .tooltip-card.wechat-card .qr-wrapper img {
      width: 120px;
      height: 120px;
    }

    /* 小屏适配 */
    @media (max-width: 640px) {
      .sidebar {
        display:none;
      }
      
    }
    @media (min-width: 1920px) {
        .hero-title{font-size:46px;}
    .hero-subtitle{font-size:24px;padding:2rem 0px;}
    .hero-swiper .herocon{padding-top:5%;}
 
    .herocon li{line-height:2;font-size:1rem;}
        .hero-slide img{width:100%;}
    }