/* 基础样式 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Microsoft YaHei', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        
        img {
            max-width: 100%;
            height: auto;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 导航栏 */

        
nav {
    width: 100%;
    height: 60px;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
        
.nav-content {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
}
        
        /* 导航栏logo样式 */
.logo {
    height: 45px; /* 占用导航栏90%的高度 */
    display: flex;
    align-items: center; /* 垂直居中 */
    padding: 0 10px; /* 可选：添加左右内边距 */
}

.logo img {
    height: 100%; /* 图片高度100%填充logo容器 */
    width: auto; /* 宽度自动，保持宽高比 */
    max-width: 100%; /* 防止图片溢出 */
    object-fit: contain; /* 保持图片比例 */
}
        
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: black;
        }
        
        nav ul {
            list-style: none;
            display: flex;
        }
        
        nav ul li {
            position: relative;
            padding: 10px 15px;
        }
        
        nav ul li a {
            color: black;
            text-decoration: none;
            font-size: 16px;
        }
        
        .sub-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background-color: white;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            min-width: 160px;
            z-index: 1;
        }
        
        .sub-menu li {
            padding: 10px 15px;
        }
        
        nav ul li:hover .sub-menu {
            display: block;
        }
        
/* 轮播图容器 */
.banner-container {
    position: relative;
    width: 100%;
    margin-top: 60px; /* 等于nav的高度 */
    max-width: 100vw;
    overflow: hidden;
}

/* 轮播图主图 */
.banner {
    width: 100%;
    aspect-ratio: 16/9; /* 固定16:9宽高比 */
    object-fit: cover;   /* 确保图片填充但不拉伸 */
    display: none;
    min-height: 300px; /* 最小高度 */
    max-height: 800px; /* 最大高度 */
}

.banner.active {
    display: block;
}

/* 缩略图容器 */
.banner-images {
    display: flex;
    justify-content: center;
    position: absolute;
    bottom: 60px;
    left: 0;
    right: 0;
    z-index: 2;
    padding: 0 15px;
    gap: 15px; /* 使用gap替代margin */
    max-width: 1600px; /* 设置最大宽度 */
    margin: 0 auto; /* 居中 */
}

/* 缩略图 */
.banner-images img {
    width: calc(25% - 15px); /* 考虑gap */
    max-width: 360px; /* 设置最大宽度 */
    min-width: 120px; /* 设置最小宽度 */
    aspect-ratio: 16/9; /* 保持宽高比 */
    cursor: pointer;
    border-radius: 4px;
    transition: transform 0.3s ease;
    object-fit: cover;
}

.banner-images img:hover {
    transform: scale(1.05);
}

.thumbnail {
    position: relative;
    width: calc(25% - 15px);
    max-width: 300px;
    min-width: 120px;
    aspect-ratio: 16/9;
    cursor: pointer;
    border-radius: 4px;
    overflow: hidden;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: white;
    padding: 10px;
    text-align: center;
    font-size: 8px;
}
        
        /* 内容模块通用样式 */
        .section {
            padding: 40px 0;
        }
        
        .section-title {
            font-size: 28px;
            margin-bottom: 20px;
            color: #333;
        }
        
        /* 企业介绍 */
        .product-intro {
            background-color: white;
        }
        
        .product-images {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        
        .product-item {
            position: relative;
            width: calc(50% - 15px);
            margin-bottom: 20px;
            border-radius: 8px;
            overflow: hidden;
        }
        
        .product-item img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .text-overlay, .description, .more {
            position: absolute;
            left: 10px;
            color: black;
            text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
        }
        
        .text-overlay {
            top: 10px;
            font-size: 18px;
            font-weight: bold;
        }
        
        .description {
            top: 35px;
            font-size: 12px;
        }
        
        /* 查看更多 */
        .more {
            top: 95px;
            font-size: 12px;
        }
        
        .more a {
            color: black;
            text-decoration: none;
        }
        
        /* 我们的服务 */
        .our-services {
            background-color: #e6f2ff;
            
        }
        
        .services-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        
        .service-item {
            width: calc(50% - 15px);
            background: white;
            border-radius: 8px;
            padding: 60px 15px 20px;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
            position: relative;
            text-align: center;
            margin-bottom: 30px;
        }
        
        .service-title {
            background-color: #0066cc;
            color: white;
            padding: 8px 10px;
            border-radius: 5px;
            font-size: 16px;
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 50%;
            z-index: 2;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }
        
        .service-image {
            width: 60px;
            height: 60px;
            margin: 0 auto 15px;
        }
        
        .service-number {
            font-size: 24px;
            font-weight: bold;
            color: #0066cc;
            margin: 10px 0;
        }
        
        /* 企业荣誉 */
        .company-honors {
            background-color: #e6f7ff;
            
            overflow: hidden;
        }
        
        .honors-container{
            max-width: 1200px;
            margin: 0 auto; /* 添加这行实现水平居中 */
            overflow: hidden;
        }
        
        .honors-track {
            display: flex;
            width: max-content;
            animation: scroll 30s linear infinite;
            padding: 10px 0;
        }
        
        .honor-item {
            flex: 0 0 240px;
            margin: 0 10px;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            text-align: center;
        }
        
        .honor-image {
            width: 90%;
            height: 120px;
            object-fit: cover;
        }
        
        .honor-text {
            padding: 10px;
        }
        
        .honor-text p {
            margin: 5px 0;
            font-size: 12px;
        }
        
        .honor-text p:last-child {
            font-weight: bold;
        }
        
        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }
        
        /* 合作伙伴 */
        .partners {
            background-color: white;
        }
        
        .partners-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        
        .partner-item {
            width: calc(50% - 15px);
            height: 100px;
            margin-bottom: 15px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 15px;
        }
        
        .partner-item img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        /* 页脚 */
        footer {
            background: #003366;
            color: white;
            padding: 30px 0 20px;
            margin-top: auto;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
        }
        
        .footer-column {
            width: 100%;
            padding: 0 15px 20px;
        }
        
        .footer-logo {
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 10px;
    max-height: 40px;  /* 最大高度限制为50px */
    display: inline-block; /* 或 flex，根据布局需要 */
        }

/* 页脚logo图片样式 */
.footer-logo img {
    height: auto;      /* 高度自动，保持比例 */
    max-height: 25px;  /* 图片最大高度50px */
    width: auto;       /* 宽度自动调整 */
    max-width: 100%;   /* 防止图片溢出容器 */
    object-fit: contain; /* 保持图片比例 */
}
        .footer-title {
            font-size: 16px;
            font-weight: bold;
            margin-bottom: 10px;
        }
        
        .footer-address, .footer-contact {
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 8px;
        }
        
        .footer-qrcode {
            width: 100px;
            height: 100px;
            background: white;
            padding: 5px;
        }
        
        .copyright {
            text-align: center;
            margin-top: 20px;
            padding-top: 15px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 12px;
            width: 100%;
        }
        /* 页脚logo容器样式 */

        
        /* 响应式设计 - 平板 */
        @media (min-width: 768px) {
            .section-title {
                font-size: 32px;
            }
            
            .product-item, .service-item {
                width: calc(33.333% - 15px);
            }
            
            .honor-item {
                flex: 0 0 280px;
            }
            
            .partner-item {
                width: calc(25% - 15px);
                height: 120px;
            }
            
            .footer-column {
                width: 50%;
            }
            
            .footer-column:last-child {
                width: 100%;
                text-align: center;
            }
        }
        
        /* 响应式设计 - 桌面 */
        @media (min-width: 992px) {
            .product-item, .service-item {
                width: calc(20% - 15px);
            }
            
            .honor-item {
                flex: 0 0 300px;
            }
            
            .partner-item {
                width: calc(25% - 15px);
                height: 133px;
            }
            
            .footer-column {
                width: 33.333%;
            }
            
            .footer-column:last-child {
                width: 33.333%;
                text-align: left;
            }
            
            .menu-toggle {
                display: none;
            }
        }
        
        /* 响应式设计 - 小手机 */
        @media (max-width: 480px) {
            .menu-toggle {
                display: block;
            }
            
            nav ul {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                width: 80%;
                background: rgba(255, 255, 255, 0.9);
                flex-direction: column;
            }
            
            nav ul.show {
                display: flex;
            }
            
            .banner-images img {
                width: calc(30% - 10px);
            }
            
            .service-item {
                padding: 50px 10px 15px;
            }
            
            .service-title {
                font-size: 3px;
                width: 90%;
            }
        }