@charset "utf-8";
/* CSS Document */
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
			list-style: none !important; /* 新增：全局清除所有列表符号（可选，不影响其他列表） */
        }
        
        /* 顶部导航栏 - 优先级提升 */
        .header {
            width: 100%;
            height: 80px;
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: fixed;
            top: 0;
            z-index: 9999;
            padding: 0 5%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .logo img {
            height: 50px;
           
            border-radius: 4px;
        }

        /* 移动端汉堡按钮（三横线）- 强制显示优先级 */
        .hamburger {
            display: none !important; /* 默认隐藏，!important 提升优先级 */
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 10px;
            z-index: 99999; /* 最高层级，确保可点击 */
            /* 新增：扩大触摸点击区域，解决移动端点击不到的问题 */
            width: 50px;
            height: 50px;
            align-items: center;
            justify-content: center;
        }
        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: #333;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        /* 汉堡按钮变成×的动画 */
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translateY(8px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translateY(-8px);
        }
        
        /* PC端导航列表 - 基础样式 */
        .nav-list {
            display: flex;
            list-style: none;
        }
        
        .nav-list li {
            margin: 0 18px;
            position: relative; /* 为二级菜单定位 */
        }
        
        .nav-list a {
            text-decoration: none;
            color: #333;
            font-size: 16px;
            font-weight: 500;
            transition: color 0.3s;
            display: inline-block;
            padding: 4px 0;
        }
        
        .nav-list a:hover {
            color: #0066CC;
        }
        
        .nav-btn {
            background-color: #0066CC;
            color: #fff !important;
            padding: 8px 20px;
            border-radius: 4px;
            transition: background-color 0.3s;
        }
        
        .nav-btn:hover {
            background-color: #0052d9 !important;
        }

        /* 导航栏二级菜单（PC端） */
        .nav-list .submenu-nav {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 4px;
    padding: 5px 5px 5px 20px;
    display: none;
    grid-template-columns: repeat(2, 100px);
    gap: 5px;
    z-index: 9999;
    min-width: 250px;
    list-style: none !important; /* 清除ul默认圆点 */
    margin: 0 !important; /* 清除ul默认外边距 */
    

        }
		/* 新增：清除二级菜单li的所有默认样式 */
.nav-list .submenu-nav li {
    list-style: none !important; /* 确保li也无圆点 */
    list-style-type: none !important; /* 兼容不同浏览器 */
    margin: 0 !important; /* 重置li外边距 */
    padding: 5px 0 !important; /* 仅保留自定义内边距 */
	
}

        .nav-list li:hover .submenu-nav {
            display: grid;
        }

        .submenu-nav li {
            margin: 0;
            padding: 5px 0;
        }

        .submenu-nav a {
            font-size: 14px;
            color: #666;
        }

        .submenu-nav a:hover {
            color: #0066CC;
        }
        
        /* 英雄区（banner） */
        .hero {
            margin-top: 80px;
            height: 600px;
            background: linear-gradient(135deg, #0052D9 0%, #0066CC 100%);
            color: #fff;
            display: flex;
            align-items: center;
            padding: 0 10%;
        }
        
        .hero-content {
            width: 50%;
        }
        
        .hero-title {
            font-size: 48px;
            line-height: 1.3;
            margin-bottom: 24px;
        }
        
        .hero-desc {
            font-size: 18px;
            line-height: 1.6;
            margin-bottom: 32px;
            opacity: 0.9;
        }
        
        .hero-btn {
            background-color: #fff;
            color: #0066CC;
            border: none;
            padding: 12px 30px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .hero-btn:hover {
            background-color: #f0f7ff;
            transform: translateY(-2px);
        }
        
        .hero-img {
            width: 50%;
            text-align: right;
        }
        
        .hero-img img {
            width: 100%;
           
            border-radius: 8px;
        }
        
        /* 平台优势板块 */
        .product {
            padding: 40px 10%;
        }
        
		
        .product .section-title {
            text-align: center;
            margin-bottom: 30px;
        }
		
		.product .section-title h2 {
            font-size: 36px;
			 color: #333;
			 padding: 0 20px 20px 20px;
		}
		
        .product-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
        }
        
        .product-item {
            text-align: center;
            padding: 20px 20px;
            margin: 5px 20px;
            border: 1px solid #eee;
            border-radius: 8px;
            transition: all 0.3s;
        }
        
        .product-item:hover {
            border-color: #0066CC;
            box-shadow: 0 10px 20px rgba(0,102,204,0.1);
            background-color: #f9fbff;
        }
        
        .product-item img {
            height: 80px;
            margin-bottom: 24px;
           
        }
        
        .product-item h3 {
            font-size: 22px;
            color: #333;
            margin-bottom: 16px;
        }
        
        .product-item p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }
        
        /* 行业应用 - 核心调整：优化基础样式，适配手机端两列 */
        .case {
            padding: 60px 5% 80px; /* 调整内边距，适配手机 */
            background-color: #f9fbff;
        }
        .case .section-title {
            text-align: center;
            margin-bottom: 30px;
        }
        .case .section-title h2 {
            font-size: 36px;
            color: #333;
        }
        .case-list {
            display: flex;
            justify-content: center;
            align-items: stretch; /* 让子元素高度一致 */
            flex-wrap: wrap;
            gap: 15px; /* 列间距 */
            margin: 0 auto;
            background-color: transparent;
            padding: 0;
            border-radius: 8px;
            box-shadow: none;
            max-width: 100%; /* 取消最大宽度限制 */
        }
        /* PC端：8列显示（原有逻辑） */
        .case-item {
            flex: 0 0 calc(12.5% - 15px); /* 8列 */
            min-width: 100px;
            display: flex;
            flex-direction: column; /* 图片+文字垂直排列，适配手机 */
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 15px 8px; /* 增加内边距，提升体验 */
            cursor: pointer;
            transition: all 0.3s ease;
            border-radius: 6px;
            text-align: center;
            background-color: #fff; /* 增加背景，区分度更高 */
        }
        .case-item:hover {
            background-color: #e8f4f8;
            transform: translateY(-3px); /* 增加悬浮效果 */
        }
        .case-item img {
            width: 40px;
            height: 40px;
            object-fit: cover;
            /*  border-radius: 50%; 圆形图片，更美观 */
            /* background-color: #f5f5f5; */
        }
        .case-item p {
            font-size: 14px;
            color: #333;
            line-height: 1.5;
            white-space: nowrap;
            font-weight: 500;
        }

        /* 悬浮图片展示区域 */
        .preview-image-container {
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 40px;
            padding: 0 5%;
        }
        .preview-image {
            width: 60vw;
            max-width: 800px;
            height: auto;
            display: none;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }
        
        /* 产品服务板块 */
        .product2 {
            padding: 40px 10%;
        }
		
		.product2 .section-title {
            text-align: center;
            margin-bottom: 30px;
        }
		
		 .product2 .section-title h2 {
            font-size: 36px;
			 color: #333;
			 padding: 0 20px 20px 20px;
		}
		
        .product2-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }
        .product2-item {
            text-align: center;
            padding: 40px 20px;
            border: 1px solid #eee;
            border-radius: 8px;
            transition: all 0.3s;
        }
        .product2-item:hover {
            border-color: #0066CC;
            box-shadow: 0 10px 20px rgba(0,102,204,0.1);
            background-color: #f9fbff;
        }
        .product2-item img {
            height: 80px;
            margin-bottom: 24px;
            background-color: #f5f5f5;
            border-radius: 4px;
        }
        .product2-item h3 {
            font-size: 22px;
            color: #333;
            margin-bottom: 16px;
        }
        .product2-item p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }
        
        /* 底部样式 */
        .footer {
            background-color: #1f2937;
            color: #fff;
            padding: 60px 10% 30px;
            margin-top: 40px;
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            flex-wrap: wrap;
            gap: 30px;
        }
        .footer-col {
            flex: 1;
            min-width: 200px;
        }
        .footer-col h4 {
            font-size: 18px;
            margin-bottom: 20px;
        }
        .footer-col ul {
            list-style: none;
        }
        .submenu {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        .submenu li {
            padding: 0 10px 0 0;
        }
        .footer-col li {
            margin-bottom: 12px;
        }
        .footer-col a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            color: #999;
            font-size: 14px;
        }
        
        /* 响应式适配：手机端（≤768px）- 关键调整 */
        @media screen and (max-width: 768px) {
            /* 汉堡按钮样式保留 */
            .hamburger {
                display: flex !important;
            }
            .header .nav-list {
                display: none !important;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: #fff;
                box-shadow: 0 4px 12px rgba(0,0,0,0.1);
                flex-direction: column !important;
                padding: 20px;
                z-index: 9999;
                border-top: 1px solid #eee;
            }
            .header .nav-list.active {
                display: flex !important;
            }
            .nav-list li {
                margin: 0 !important;
                padding: 12px 10px !important;
                border-bottom: 1px solid #eee;
            }
            .nav-list li:last-child {
                border-bottom: none;
            }
            .nav-list .submenu-nav {
    position: static !important;
    box-shadow: none !important;
    border: none !important;
    padding: 10px 0 0 20px !important;
    grid-template-columns: 1fr !important;
    display: none !important;
    min-width: auto !important;
    list-style: none !important; /* 清除ul圆点 */
    margin: 0 !important; /* 清除ul外边距 */
    padding-left: 0 !important; /* 清除ul左内边距 */
		
            }
            .nav-list li .submenu-nav.active {
                display: flex !important;
                flex-direction: column !important;
                gap: 8px !important;
            }
            
            /* 平台优势板块适配 */
            .product-list, .product2-list {
                grid-template-columns: 1fr !important;
            }
            .hero {
                flex-direction: column !important;
                height: auto !important;
                padding: 40px 5% !important;
            }
            .hero-content, .hero-img {
                width: 100% !important;
                text-align: center !important;
                margin-bottom: 30px !important;
            }
            .hero-title {
                font-size: 36px !important;
            }
            
            /* 行业应用板块 - 核心调整：手机端两列显示 */
            .case-item {
                flex: 0 0 calc(50% - 15px) !important; /* 50%宽度 - 间距 = 两列 */
                min-width: auto !important; /* 取消最小宽度限制 */
                padding: 20px 10px !important; /* 增加内边距，提升手机端体验 */
            }
            .case-item img {
                width: 50px !important; /* 放大图片，更清晰 */
                height: 50px !important;
            }
            .case-item p {
                font-size: 15px !important; /* 放大文字 */
            }
            
            /* 预览图片适配 */
            .preview-image {
                width: 90vw !important;
            }
        }
        
        /* 小屏手机适配（≤470px）- 仍保持两列，优化细节 */
        @media screen and (max-width: 470px) {
            .case-item {
                flex: 0 0 calc(50% - 10px) !important; /* 减小间距，适配更小屏幕 */
                gap: 6px;
            }
            .section-title h2 {
                font-size: 24px !important;
            }
            .hero-title {
                font-size: 28px !important;
            }
        }