.video-item :root {
            --primary-color: #f6700b;
            --text-color: #333333;
            --footer-bg: #f5f9fd;
            --border-color: #eaeaea;
        }
        
        * {
            box-sizing: border-box;
        }
        .bai,.hai{max-height:70px;}
        .footer-logo img{max-width:100%;}
        body {
            font-family:  HarmonyOS_Sans_SC,'Microsoft YaHei', sans-serif;
            font-size: 16px;
            color: var(--text-color);
            line-height: 1.6;
            padding-top: 90px; /* 为固定头部留出空间 */
			background:url(bg_01.png) left top repeat-x;
        }
        .jishu-categories,.video-categories{margin-top:-2rem;}
        .casetit{text-align:center;padding:2rem;}
        .casetit h1{display:inline-block;position:relative;padding-bottom:10px;font-weight:bold;}
        .casetit h1:after{content:"";height:6px;width:80%;left:10%;bottom:0px;background:rgba(246,137,62,0.5);position:absolute;}
       
          /* 头部样式 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        .header-scrolled {
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        
        .navbar-nav .nav-link {
            color:#fff;
            font-weight: 500;
            padding: 0.5rem 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);
        }
        
        /* 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: 0;
                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;
                background-color: white;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
                border-radius: 0 0 10px 10px;
            }
            
            .product-tabs {
                margin-bottom: 1.5rem;
                border-bottom: 1px solid var(--border-color);
            }
            
            .product-tab {
                background: none;
                border: none;
                padding: 0.3rem 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: 1.5rem;
            }
            
            .product-item {
                text-align: center;
                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-title {
        font-weight: 500;
        font-size: 1rem;
        font-weight: 600;
        text-align:left;
        line-height: 1.4;
    }
    .product-title p {
        font-size: 0.85rem;
        font-weight: normal;
        margin-top: 10px;
    }
            
            /* 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;
				
            }
            
            .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: 1.2rem;
                font-weight: 600;
                margin-bottom: 0.8rem;
                color: var(--text-color);
            }
            
            .solution-desc {
                color: #666;
                font-size: 0.95rem;
                line-height: 1.5;
                margin-bottom: 1rem;
            }
            
            .solution-btn {
                display: inline-block;
                padding: 0.5rem 1.2rem;
                background-color: transparent;
                color: var(--primary-color);
                border: 1px solid var(--primary-color);
                border-radius: 4px;
                font-size: 0.9rem;
                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;
            }
        }
        
        /* 主要内容区域 */
        .main-content {
            padding: 2rem 0;
        }
        
        /* 返回按钮 */
        .back-btn {
            color: #666666;
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            margin-bottom: 1.5rem;
            transition: all 0.3s;
			font-size:1.8rem;
        }
        
        .back-btn:hover {
            color: #d45e00;
            transform: translateX(-5px);
        }
        
        .back-btn i {
            margin-right: 0.5rem;
            font-size: 1.8rem;
        }
        
        /* 文章标题 */
        .article-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        
        /* 发布时间 */
        .article-date {
            color: #666;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        
        /* 正文内容 */
        .article-content {
            margin-bottom: 3rem;
        }
        
        .article-content p {
            margin-bottom: 1.5rem;
        }
        
        .article-content img {
            max-width: 100%;
            height: auto;
            margin: 1.5rem 0;
            border-radius: 8px;
        }
        
        .article-content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--text-color);
            font-weight: 600;
        }
        
        /* 上一篇/下一篇 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            border-top: 1px solid var(--border-color);
            padding: 2.5rem 0;
            margin-bottom: 3rem;
        }
        .t20{margin-top:60px;}
        .nav-article {
            display: flex;
            align-items: center;
            color: var(--text-color);
            text-decoration: none;
            max-width: 45%;
            transition: color 0.3s;
        }
        
        .nav-article:hover {
            color: var(--primary-color);
        }
        
        .nav-article.prev-article i {
            margin-right: 0.8rem;
        }
        
        .nav-article.next-article i {
            margin-left: 0.8rem;

        }
        
        .nav-article span {
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        /* 相关文章 */
        .related-articles h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
        }
        
        .related-article {
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-color);
            text-decoration: none;
            color: var(--text-color);
			display:block;
            transition: all 0.3s;
        }
        .related-article img{width:100%;border-radius:0.3rem;height:auto;margin-bottom:1rem;}
		
        .related-article:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .related-article:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }
		.related-article .related-article-time{text-align: justify;
  text-align-last: justify;}
		.related-article .related-article-time span:nth-child(2){display:none;}
		 .related-article:hover .related-article-time span:nth-child(2){
			 display:inline-block;float:right;
        }
        .related-article-img {
            width: 80px;
            height: 60px;
            object-fit: cover;
            border-radius: 4px;
            margin-right: 1rem;
            flex-shrink: 0;
        }
        
        .related-article-title {
            font-weight: 500;
            line-height: 1.4;
            font-size: 0.95rem;
        }
        
        /* 底部样式 */
        footer {
            background-color: #f5f9fd;
            padding: 5rem 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  img {
            width: 120px;
            height: 120px;
            background-color: #fff;
            border-radius: 6px;
            display: flex;
			
            align-items: center;
            justify-content: center;
            color: #777;
            font-size: 0.8rem;
        }
        
        .footer-links h5 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 2rem;
            color: var(--text-color);
        }
        
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        
        .footer-links li {
            margin-bottom:1.1rem;
        }
        
        .footer-links a {
            color: #666;
			font-weight:500;
            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%;margin-top:3rem;}
		.copyright a{color:#999;padding-left:10px;text-decoration:none;}
        .footer-links a:hover {
            color: var(--primary-color);
        }
        
        .contact-phone {
            font-size: 1.3rem;
            font-weight: 700;
            color:#000;
			margin:0.6rem 0px;
        }
        .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;
            }
            .col-md-33{width:50%;}
			.copyright{margin-top:20px;}
            .article-navigation {
                flex-direction: column;
            }
            
            .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: "☰";
        }
		
		 .newshead  a.nav-link{color:#fff;line-height:79px;}
		 .newshead .navbar-toggler{color:#fff	;}
		 .header-scrolled .newshead  a.nav-link{color:#333;}
		 .newshead  a.nav-link.active{position:relative;text-align:center;color:#fff;}
		 .newshead  a.nav-link.active:after{content:"";height:2px;width:40px;left:0px;margin-left:20px;position:absolute;bottom:15px;display:inline-block;background:#fff;}
		 .header-scrolled .newshead  a.nav-link.active{color:#d45e00;}
		 .header-scrolled .newshead  a.nav-link.active:after{background:#d45e00;}
		 .news-banner{margin-top:-10px;}
         .news-banner img{width:100%;}
        .hai{display:none;}
		.header-scrolled .hai{display:block;}
		.header-scrolled .bai{display:none;}
        
        /* 新闻列表 */
        .news-list {
            padding: 2rem 0 3rem;max-width:100%;margin:0px auto;
        }
        
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--primary-color);
            display: inline-block;
        }
        
        .news-item {
            background-color: white;
            overflow: hidden;
            margin-bottom: 2rem;
            height: 100%;
            transition: all 0.3s ease;
            text-decoration: none;
            color: var(--text-color);
            display: block;
			border-bottom: 1px solid var(--border-color);
        }
        
        .news-item:hover {
            color: var(--text-color);
			border-bottom: 1px solid var(--primary-color);
        }
		.news-item:hover .news-title{color:var(--primary-color);}
        .news-item:hover .news-meta span{color:var(--primary-color);}
        .news-img-container {
            height: auto;
            overflow: hidden;
        }
        
        .news-img {
            width: 100%;
            height: 100%;
            max-height:500px;
            object-fit: cover;
            transition: transform 0.5s ease;
			border-radius:5px;aspect-ratio: 16 / 9;
    overflow: hidden;
        }
        
        .news-item:hover .news-img {
            transform: scale(1.05);
        }
        
        .news-content {
            padding: 1.5rem 0px;
        }
        .news-title {
            font-size: 1.3rem;
            font-weight: 500;
            margin-bottom: 1rem;
            line-height: 1.4;
            
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        
        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1rem;
            
            position: relative;
        }
        
        .news-date {
            color: #666;
            font-size: 0.9rem;
        }
        
        .news-arrow {
            color: var(--primary-color);
            opacity: 0;
            transform: translateX(-10px);
            transition: all 0.3s ease;
            font-weight: bold;
        }
        
        .news-item:hover .news-arrow {
            opacity: 1;
            transform: translateX(0);
        }
        
        /* 分页样式 */
        .pagination-container {
            margin-top: 2rem;
            padding-top: 2rem;
        }
        
        .pagination {
            justify-content: center;
        }
        
        .pagination li {
            color: var(--text-color);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1rem;
            margin: 0 0.2rem;
        }
        
        .pagination li:hover {
            color: var(--primary-color);
            background-color: var(--light-gray);
            border-color: var(--primary-color);
        }
        
        .pagination li.active{
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
        }
        .pagination li.active a{color:#fff;}

        
        /* 响应式调整 */
		
		@media (max-width: 1200px) {
		.navbar-nav .nav-link{padding:0px 5px;margin:0px 5px;}
		
		}
        
        @media (max-width: 768px) {
           
            
            .news-img-container {
                height: 180px;
            }
			.news-banner img{
			object-fit: cover;
			height:100%;
			}
			.news-banner{margin-top:-10px;}
        }
        
        @media (max-width: 576px) {
            .news-banner {
                height: 220px;
            }
            
            .news-item {
                margin-bottom: 1.5rem;
            }
            
        }
		
		
 /* 公司介绍部分 */
 		.aboutbanner{margin-top:-10px;}
        .company-intro {
            padding: 4rem 0 0 0;
            background: linear-gradient(to bottom, #f2f9fe, #ffffff);
			border-radius:10px;
        }
        .t100{margin-top:400px; position:relative;}
		.t50{margin-top:100px;}
		.t80{margin-top:80px;}
        .company-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 3.5rem;
            position: relative;
			border-bottom:0px;
			
			color: rgba(33, 33, 33, 1);
    font-family: HarmonyOS_Sans_SC_Medium;
    font-weight: 500;
 
        }
        
       
        
        .company-content {
            max-width: 90%;
            margin: 0 auto;
        }
        
        .company-content p {
            margin-bottom: 1.5rem;
            font-size: 1rem;
            line-height: 1.8;
            text-align: justify;
			    color: rgba(33, 33, 33, 1);
    font-family: HarmonyOS_Sans_SC_Light;
    font-weight: 300;
    text-align: left;
    line-height: 1.8;
        }
        
        .company-content h4 {
            color: var(--primary-color);
            margin: 2rem 0 1rem;
            font-weight: 600;
        }
        
        .highlight-box {
            background-color: var(--light-gray);
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        
        /* 联系方式部分 */
        .contact-info {
            padding:0px 0px  3rem 0;
        }
        
        .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 2.5rem;
            color: var(--text-color);
            position: relative;
			display:block;
			border-bottom:0px;
        }
        
        
        
        .contact-items {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 3rem;
        }
        
        .contact-item {
            text-align: center;
            padding: 1.5rem;
            flex: 1;
            background:url(sibg.png) left top  no-repeat;
            border-radius: 8px;
            background-size:cover;
            transition: all 0.3s ease;
			height:100%;
        }
        
        .contact-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .contact-icon {
            width: 70px;
            height: 70px;
            
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.5rem;
            
            font-size: 1.8rem;
        }
        
        .contact-title {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom:1rem;
            color: var(--text-color);
        }
        
        .contact-detail {
            color: #999;
            line-height: 1.6;
			margin-top:1.5rem;
        }
        
        /* 地图部分 */
        .map-container {
            height: 400px;
            width: 100%;
            margin-top: 2rem;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        #baidu-map {
            width: 100%;
            height: 100%;
        }
        
        /* 联系我们表单部分 */
        .contact-form-section {
            padding: 4rem 0;
            background: url(aboutbg.png);
            background-size: cover;
            background-position: center;
            color: white;
        }
        
        .form-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 2rem;
            color: #333;
        }
        
        .contact-form {
            margin: 0 auto;
            padding: 2.5rem;
        }
        .labelicon{background:#fff;display:flex;border-radius: 5px; margin-bottom: 1.5rem; padding: 0.8rem 1rem;align-items: flex-start; }
		.labelicon img{
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
        .form-control{border:0px;border-radius:0px;}
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
			
        }
        input,textarea{outline:none;}
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.6rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s;
            display: block;
            margin: 2rem auto 0;
            width: 100%;
            max-width: 500px;
        }
        
        .submit-btn:hover {
            background-color: #d45e00;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
.header-scrolled .icon-menu::before{color:#333;}
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            .company-title {
                font-size: 2rem;
            }
			.newshead a.nav-link{line-height:3rem;}
			.newshead a.nav-link.active{text-align:left;}
			.newshead a.nav-link.active:after{display:none;}
			.t100{transform: translateY(-50px); }
		.t50{transform: translateY(0px); }
        }
        
        @media (max-width: 768px) {
            .company-title {
                font-size: 1.5rem;
            }
            
            .form-title {
                font-size: 1.3rem;
            }
            
            .contact-form {
                padding: 1.3rem;
            }
			.company-content{padding:0px 1rem;}
        }
        
        @media (max-width: 576px) {
            .company-title {
                font-size: 1.3rem;
            }
			.section-title{font-size:1.3rem;}
            .contact-items{display:block;}
            .contact-item {
				margin:1rem 2%;
				width:96%;
            }
            
        }
		
		  /* Banner样式 */
      
        /* 案例分类导航 */
		.nonebg{background:none;}
        .case-categories {
            background-color: var(--light-gray);
            margin-bottom: 0;
			margin-top:-2rem;
        }
        
        .categories-container {
            margin: 0 auto;
			background:#f5f9fd;
			border-radius:10px;
			overflow:hidden;
        }
        
        .category-list {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
			
        }
        
        .category-item {
            flex: 1;
            text-align: center;
            margin:0px;
			background:#f5f9fd;
        }
        
        .category-link {
            display: block;
            padding: 0.8rem 1rem;
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
			font-size: 1.5rem;
    		font-family: HarmonyOS_Sans_SC_Medium;
        }
        
        .category-link:hover,
        .category-link.active {
            color:#fff;
            border-color: var(--primary-color);
            background-color:#f6700b;
        }
        
        /* 案例展示区域 */
        .case-list {
            padding: 2rem 0 3rem;max-width:100%;margin:0px auto;
        }
        
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--primary-color);
            display: inline-block;
        }
        
        .case-item {
            margin-bottom: 1rem;
            border-radius: 5px;
            overflow: hidden;
            background-color: #fff;
            transition: all 0.3s ease;
            text-align:center;
            border:1px solid #ccc;
            padding:1rem;
            border-radius:0.5rem;
        }
        
        .case-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
        }
        
        .case-img-container {
            height: auto;
            overflow: hidden;
        }
        .case-info a.case-link{color:#fff;background:#ff842e;box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);display:block;margin:0px auto;border-radius:0.3rem;line-height:2;}
        .case-img {
            width: 100%;
          
            transition: transform 0.5s ease;
            border-radius:0.3rem;
             aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover; 
        }
        
        .case-item:hover .case-img {
            transform: scale(1.05);
        }
        
        .case-info {
            padding: 1.5rem;
            background-color: var(--light-gray);
        }
        
        .case-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 1rem;
            line-height: 1.6rem;
            height: 3.2rem;
            display: -webkit-box;
  -webkit-line-clamp: 2;      /* 显示的行数 */
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word; 
        }
        
        .case-link {
            display: inline-flex;
            align-items: center;
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .case-link i {
            margin-left: 0.5rem;
            transition: transform 0.3s ease;
        }
        
       
        
        .case-item:hover .case-link i {
            transform: translateX(5px);
        }
        
        /* 分页样式 */
        .pagination-container {
            margin-top: 2rem;
            padding-top: 2rem;
        }
        
        .pagination {
            justify-content: center;
        }
        
        .page-link {
            color: var(--text-color);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1rem;
            margin: 0 0.2rem;
        }
        
        .page-link:hover {
            color: var(--primary-color);
            background-color: var(--light-gray);
            border-color: var(--primary-color);
        }
        
        .page-item.active .page-link {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
        }

        
        /* 响应式调整 */
        @media (max-width: 1200px) {
            .category-item {
                min-width: 120px;
            }
        }
        
        @media (max-width: 992px) {

            .category-item {
                min-width: 110px;
            }
            
            .case-img-container {
                height: 220px;
            }

        }
        
        @media (max-width: 768px) {

            .category-list {
                justify-content: center;
            }
            
            .category-item {
                flex: 0 0 calc(33.333% - 1rem);
                min-width: auto;
            }
            
            .case-img-container {
                height: 200px;
            }
			

        }
        
        @media (max-width: 576px) {
            .case-banner {
                height: 220px;
            }
            
            .category-item {
                flex: 0 0 calc(50% - 1rem);
            }
            
            .case-item {
                margin-bottom: 1.5rem;
            }

        }
        
        @media (max-width: 400px) {
            .category-item {
                flex: 0 0 calc(50%);
            }
            
            .category-link {
                padding: 0.6rem 0.5rem;
                font-size: 0.9rem;
            }
        }
        

/* 视频列表区域 */
        .video-list {
            padding: 2rem 0 3rem;
        }
        
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--primary-color);
            display: inline-block;
        }
        
        .video-item {
            margin-bottom: 2rem;
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
			padding-top:1rem;
			
			
        }
        
       
        
        .video-thumb-container {
            overflow: hidden;
            position: relative;
            cursor: pointer;
			border-radius:1rem;
        }
        
        .video-thumb {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
			
        }
        
        .video-item:hover .video-thumb {
            transform: scale(1.05);
        }
        
        .play-btn-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
			border-radius:1rem;
        }
        
        .video-item:hover .play-btn-overlay {
            background-color: rgba(0, 0, 0, 0.6);
        }
        
        .play-btn {
            width:4rem;
            height:4rem;
            background:rgba(0,0,0,0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size:1.2rem;
            transition: all 0.3s ease;
			border:1px solid #fff;

        }
        
        .video-item:hover .play-btn {
            transform: scale(1.1);
            background:rgba(0,0,0,0.3);
        }
        
        .video-info {
            padding: 1.5rem 0px 0 0;
            background-color: var(--light-gray);
        }
        
        .video-title {
            font-size: 1.4rem;
            font-weight:500;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
			margin-bottom:0px;
        }
        
        .video-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #666;
            font-size: 0.9rem;
        }
        
        .video-duration {
            display: flex;
            align-items: center;
        }
        
        .video-duration i {
            margin-right: 0.3rem;
        }
        
        /* 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: 80%;
            max-width: 600px;
            background-color: #222;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
			margin:0px auto;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
			margin-top:10%;
        }
        
        .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%;
        }
        
.navbar-expand-lg .navbar-nav .nav-link{color:rgba(33, 33, 33, 1);}
 .header-scrolled{background:#fff;}
.bai .navbar-expand-lg .navbar-nav .nav-link{color:rgba(255, 255, 255, 1);}
.bai .header-scrolled .navbar-expand-lg .navbar-nav .nav-link{color:rgba(33, 33, 33, 1);}
.solutionrow .news-item{display:block;width:96%;margin-left:2%;margin-bottom:0px;padding-top:1rem;}
.solutionrow .news-item .news-content .news-title{display:inline-block;height:auto;line-height:3rem;margin-bottom:0px;}
.solutionrow .news-item .news-content img{display:none;float:right;margin-top:0.5rem;}
.solutionrow .news-item:hover .news-content .news-title{display:inline-block;}
.solutionrow .news-item:hover .news-content img{display:inline-block;float:right;}
.solutionrow .news-item .news-content{    overflow-wrap: break-word;
    color: rgba(33, 33, 33, 1);
    font-size: 32px;
    font-family: HarmonyOS_Sans_SC_Medium;
    font-weight: 500;
    text-align: left;
	height:auto;
    line-height: 3rem;}
	

        /* 响应式调整 */
 
        
        @media (max-width: 992px) {
            .bai .navbar-toggler{color:#fff;}
			.bai .header-scrolled .navbar-toggler{color:#000;}
            .video-thumb-container {
                min-height: 180px;
            }
			.video-list{padding-top:0px;}
			.main-content{padding-top:0px;}
			.news-title{font-size:1rem;}
			.solutionrow .news-item .news-content{line-height:1.5rem;}
			.solutionrow .news-item .news-content .news-title{line-height:1.5rem;}
			.main-content{padding-bottom:0px;}
        }
        
        @media (max-width: 768px) {
            
            .video-thumb-container {
                min-height: 160px;
            }
            .video-title{font-size:1.2rem;}
            .video-modal {
                width: 95%;
            }
			.pagination{display:block;}
			.pagination li{display:inline-block;margin-bottom:1rem;}
			.pagination-container{padding-top:0px;}.video-list{padding-bottom:0px;}
        }
        
        @media (max-width: 576px) {
            .video-item {
                margin-bottom: 1.5rem;
            }
            
            .video-thumb-container {
                min-height: 150px;
            }
            
            .play-btn {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }
        }
        
        @media (max-width: 400px) {
            
            .video-thumb-container {
                min-height: 130px;
            }
        }
.contact-info .section-title{text-align:center;display:block;border-bottom:0px;margin-bottom:4rem;}
.jishu-tui{margin:60px 0px;}
.jishu-tui .container{background:#f7f9fa;overflow:hidden;}
.js_left img{max-width:100%;
  transition: transform 0.5s ease;
        }
.js_left{padding-left:0px !important;}       
.jishu-tui:hover .js_left img {
            transform: scale(1.05);
        }
.js_right{padding-left:2rem;padding-right:2rem;}
.js_right h3{font-size:2rem;margin-top:3rem;margin-bottom:2rem;}
.js_right h3 a{color:#212121;}
.js_right a.jsmore{margin-top:4rem;background:#f6700b;color:#fff;padding:8px 20px;border-radius:8px;display:inline-block;}


.product-banner{margin-top:-100px;}
.product-banner img{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);}
	 
}
@media (min-width: 1320px) {
    .hero-title{font-size:2.5rem;}
    .hero-swiper .herocon{padding-top:10%;}
    .video-tabs{width:90%;left:5%;}
    .video-tab{font-size:.9rem;}
    .footer-links h5{font-size:1.2rem;}
    .footer-links a{font-size:1rem;}
    .col-md-33{width:17%;}
    .col-md-33:nth-child(3){width:30%;}
    .col-md-33:nth-child(4){width:16%;}
    .col-md-33:nth-child(5){width:20%;}
    .contact-phone{font-size:1rem;}
    .footer-links a{font-size:.9rem;}
    .news-title{font-size:1.1rem;margin-bottom:0.6rem;}
    .article-title{font-size:1.4rem;}
    .category-link{font-size:1.2rem;}
    .case-title{font-size:1.1rem;font-weight:400;min-height:2.4rem;}
    .case-info{padding:1rem;}
    .video-title{font-size:1.1rem;}
     .solution-item{margin:1rem;}
    .solution-img{width:45%;margin-right:1rem;}
    .solution-content{padding:1rem 0.5rem;}
    .solution-title{font-size:1rem;}
    .solution-desc{font-size:0.9rem;line-height:1.5rem;max-height:6rem;overflow:hidden;}
    .solution-btn{padding:0.2rem 1rem;s}
}
.case-dropdown-menu .d-lg-block{display: grid !important;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;   /* 间距1rem */
    
}
/* 案例详情页主容器 (头部底部由原网站接管，此处仅核心区域) */
        .ca-case-detail {
            width: 100%;
            overflow-x: hidden;
        }

        /* 1、大背景图区域：标题 + 描述，背景覆盖 */
        .ca-hero-bg {
            position: relative;
            
            padding: 0;
            color: white;
            text-align: center;
            z-index: 1;
        }
        
        .ca-hero-content {
            position: absolute;
            z-index: 2;
            width: 100%;
            margin: 0 auto;
            padding: 0 20px;
            text-align:center;
            top:20%;left:0;z-index:111;
        }
        .ca-hero-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        .ca-hero-desc {
            font-size: 1rem;
            line-height: 1.5;
            opacity: 0.95;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 2、向上盖住大背景图100px的板块 (4块内容) */
        .ca-stats-overlay {
            position: relative;
            margin-top: -80px;
            z-index: 10;
            background: #ffffff;
            border-radius: 1rem;
            box-shadow: 0 20px 35px -12px rgba(0,0,0,0.12);
            padding: 28px 16px;
            border: 1px solid rgba(0,0,0,0.03);
        }
        .ca-stats-card {
            
            text-align: center;
            transition: all 0.3s ease;
            height: 100%;
            position:relative;
        }
       .ca-stats-card:after{content:'';width:1px;height:80%;top:10%;position:absolute;right:0px;background:#ccc;}
       .ca-stats-overlay .col-lg-3:nth-child(4) .ca-stats-card:after{display:none;}
        .ca-stats-number {
            font-size: 1rem;
            font-weight: 400;
            color: #555;
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .ca-stats-label {
            font-size: 16px;
            font-weight: 500;
            color: #334155;
            letter-spacing: 0.5px;
        }

        /* 3、客户信息版块：图片倾斜30度盖在文字div上，两个都有阴影 */
        .ca-client-showcase {
            background: #ffffff;
            padding: 40px 0 40px;
        }
        .ca-client-card {
            background: #f8fafc;
            border-radius: 20px;
            position: relative;
            box-shadow: 0 25px 45px -12px rgba(0,0,0,0.2);
            transition: all 0.2s;
        }
        .ca-client-text {
            padding: 38px 40px;
            background: white;
            border-radius: 32px;
            box-shadow: 0 20px 35px -10px rgba(0,0,0,0.1);
            z-index: 2;
            position: relative;
        }
        .ca-client-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 1rem;
        }
        .ca-client-text p {
            color: #334155;
            line-height: 1.6;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .ca-client-meta {
            display: flex;
            gap: 24px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .ca-client-meta span {
            background: #eef2ff;
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 500;
            color: #1e40af;
        }
        /* 图片倾斜30度盖在文字div右侧/上方效果，使用transform 倾斜并部分重叠 */
        .ca-client-image {
            position: relative;
            transform: rotate(-6deg) translateY(-15px);
            z-index: 5;
            transition: transform 0.3s;
            box-shadow: 0 30px 40px -20px rgba(0,0,0,0.4);
            border-radius: 28px;
            overflow: hidden;
        }
        .ca-client-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            border-radius: 28px;
        }
        /* 在大屏幕上让图片轻微倾斜且盖住文本区域左边缘，配合负边距实现遮盖感 */
        @media (min-width: 992px) {
            .ca-client-image {
                transform: rotate(-6deg) translateX(-20px) translateY(10px);
                box-shadow: 0 30px 40px -20px rgba(0,0,0,0.35);
            }
            .ca-client-text {
                margin-right: 20px;
            }
        }
        @media (max-width: 991px) {
            .ca-client-image {
                transform: rotate(3deg) translateY(-20px);
                margin-bottom: 20px;
            }
            .ca-client-text {
                margin-top: 0;
            }
        }

        /* 4、客户需求: 1行3块，图标 标题 简介 tag */
        .ca-needs-section {
            padding: 0px 0px 70px 0;
            
        }
        .section-ca-title {
            text-align: center;
            font-size: 36px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 18px;
        }
        .ca-need-card {
            background: white;
            border-radius: 28px;
            padding: 32px 24px;
            transition: all 0.25s;
            height: 100%;
            border: 1px solid #eef2ff;
            box-shadow: 0 10px 20px -5px rgba(0,0,0,0.05);
        }
        .ca-need-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 24px 36px -12px rgba(0,0,0,0.12);
        }
        .ca-need-icon {
            font-size: 44px;
            color: #2563eb;
            margin-bottom: 0.5rem;
        }
        .ca-need-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #0f172a;
        }
        .ca-need-desc {
            color: #475569;
            line-height: 1.5;
            margin-bottom: 0.8rem;
            font-size:1rem;
        }
        .ca-need-tag {
            display: inline-block;
            
            color: #0369a1;
            padding: 4px 0px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
        }
            .ca-need-tag img{margin-right:5px;}
        /* 5、解决方案板块：左2/5标题+ul列表，右3/5图片，图片下方按钮 */
        .ca-solution-section {
            padding: 70px 0;
            background: white;
        }
        .ca-solution-left {
            
            border-radius: 32px;
            padding: 40px 32px;
            height: 100%;
        }
        .ca-solution-left h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 24px;
            color: #0f172a;
        }
        .ca-solution-list {
            list-style: none;
            padding-left: 0;
        }
        .ca-solution-list li {
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            color: #1e293b;
        }
        .ca-solution-list li i {
            color: #2563eb;
            font-size: 20px;
            width: 28px;
        }
        .ca-solution-right {
            
            border-radius: 32px;
            padding: 20px;
            text-align: center;
        }
        .ca-solution-right img {
            width: 100%;
            border-radius: 24px;
            box-shadow: 0 16px 28px -12px rgba(0,0,0,0.2);
            margin-bottom: 20px;
        }
        .ca-trial-btn {
            background: #2563eb;
            color: white;
            border: none;
            padding: 12px 28px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 16px;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .ca-trial-btn:hover {
            background: #1d4ed8;
            color: white;
            transform: scale(1.02);
        }

        /* 6、最终效果板块：第一行一行三块, 第二行特殊布局 (第一块与上面一致，第二块占第二块位置) */
        .ca-outcome-section {
            padding: 70px 0;
           
        }
        .ca-outcome-card {
            background: white;
            border-radius: 28px;
            padding: 30px 20px;
            text-align: left;
            box-shadow: 0 10px 22px -10px rgba(0,0,0,0.08);
            transition: all 0.2s;
            height: 100%;
        }
        .ca-cards{background:url(anlibg.png) right top no-repeat;background-size:cover;padding:30px 2rem;}
        
        .ca-cards .ca-outcome-title{color:#fff;}
        .ca-cards .ca-outcome-desc{color:#fff;}
        .ca-more{background:#fff;padding:0.5rem 2rem;border-radius:1rem;color:#2750a4;margin-top:2rem;display:inline-block;}
        .ca-outcome-icon {
            font-size: 28px;
            color: #2563eb;
            margin-bottom: 0.5rem;
        }
        .ca-outcome-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 16px 0 0.8rem;
        }
        .ca-outcome-desc {
            color: #475569;
            font-size: 1rem;
            margin-bottom: 0.8rem;
            line-height:1.5;
        }
        .ca-outcome-tag {
            
            display: inline-block;
            padding: 4px px;
            border-radius: 40px;
            font-size: 12px;
            font-weight: 600;
            color: #1e3a8a;
        }
        .ca-outcome-tag img{margin-right:10px;}
       
        .ca-special-row {
            margin-top: 30px;
        }

        /* 7、表单区块 姓名、电话、企业、内容 */
        .ca-form-section {
            padding: 70px 0 90px;
            background: white;
        }
        .ca-form-box {
            background: #ffffff;
            border-radius: 44px;
            box-shadow: 0 30px 50px -25px rgba(0, 0, 0, 0.2);
            padding: 48px 40px;
            border: 1px solid #e9edf2;
        }
        .ca-form-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 32px;
            text-align: center;
            color: #0f172a;
        }
        .ca-form-control {
            border-radius: 60px;
            padding: 12px 20px;
            border: 1px solid #cbd5e1;
            background: #fefefe;
        }
        .ca-form-control:focus {
            box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
            border-color: #2563eb;
        }
        textarea.ca-form-control {
            border-radius: 28px;
        }
        .ca-submit-btn {
            background: #2563eb;
            color: white;
            border: none;
            padding: 12px 32px;
            border-radius: 60px;
            font-weight: 600;
            width: 100%;
            font-size: 18px;
            transition: 0.2s;
        }
        .ca-submit-btn:hover {
            background: #1e40af;
        }
        /* 通用间距 */
        .mb-30 {
            margin-bottom: 30px;
        }
        .mt-30 {
            margin-top: 30px;
        }
        @media (max-width: 768px) {
            .ca-hero-title { font-size: 1.5rem; }
            .ca-stats-number { font-size: 1rem; }
            .ca-client-text { padding: 30px 24px; }
        }
        
        
        /* -------- 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;
      }
      
    }