/* 追加样式 */
        body {
            flex-direction: column;
            margin: 0px;
        }
        .site-header {
            background: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px 20px;
        }
        .branding {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .logo {
            width: 45px;
            height: 45px;
        }
        .company-name {
            font-size: 24px;
            color: #2c3e50;
            margin: 0;
            font-weight: 600;
        }
        .main-nav {
            background: #2c3e50;
        }
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
        }
        .nav-menu {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            color: #fff;
            text-decoration: none;
            padding: 15px 20px;
            display: block;
            transition: background 0.3s;
        }
        .nav-menu .active a {
            background: #3498db;
        }
        .nav-menu a:hover {
            background: #34495e;
        }
        .content-container {
            max-width: 1200px;
            padding: 0 20px;
            min-height: 60vh;
            margin: 0 auto;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 40px 0;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-info {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            border-bottom: 1px solid #34495e;
        }
        .legal-info {
            text-align: right;
            opacity: 0.8;
        }
        .contact-info p {
            margin: 8px 0;
        }
        @media (max-width: 768px) {
            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
            }
            .nav-menu li {
                flex: 1 0 50%;
                text-align: center;
            }
            .footer-info {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .legal-info {
                text-align: center;
            }
            .content-container {
                padding: 20px;
            }
        }
        a {
            color: #ecf0f1; /* 设置a标签颜色为正文文字颜色 */
            text-decoration: none; /* 去掉下划线 */
        }
        a:hover {
            text-decoration: underline; /* 鼠标悬停时显示下划线 */
        }
        /* 修改后的面包屑样式 */
        .breadcrumb {
            max-width: 1200px;       /* 与content-container同宽 */
            margin: 15px auto 30px;  /* 上下间距15/30px 水平居中 */
            padding: 0 20px;         /* 与内容区域相同的侧边距 */
            font-size: 14px;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: #2980b9;
            text-decoration: underline;
        }
        .breadcrumb span:last-child {
            color: #7f8c8d;
            max-width: 60%;
            overflow: hidden;
            text-overflow: ellipsis;
            display: inline-block;
            vertical-align: bottom;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
            }
            .nav-menu li {
                flex: 1 0 50%;
                text-align: center;
            }
            .footer-info {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .legal-info {
                text-align: center;
            }
            .content-container {
                padding: 20px;
            }
            /* 新增隐藏面包屑 */
            .breadcrumb {
                display: none;
            }
        }

    /* 基础表格样式 */
    table {
        width: 100%;
        border-collapse: collapse; /* 合并边框 */
        margin-bottom: 20px; /* 表格底部间距 */
    }

    th, td {
        border: 1px solid #ddd; /* 设置边框 */
        padding: 12px; /* 单元格内边距 */
        text-align: center; /* 文本居中对齐 */
    }

    th {
        background-color: #f2f2f2; /* 表头背景色 */
        font-weight: bold; /* 加粗表头文字 */
    }

    tr:hover {
        background-color: #f9f9f9; /* 鼠标悬停行背景色 */
    }

    /* 移动端优化 */
    @media (max-width: 768px) {
        table, thead, tbody, th, td, tr {
            display: block;
        }

        thead tr {
            position: absolute;
            top: -9999px;
            left: -9999px;
        }

        tr {
            border: 1px solid #ddd; /* 行为单位添加边框 */
            margin-bottom: 10px; /* 行间距 */
        }

        td {
            border: none;
            border-bottom: 1px solid #eee; /* 单元格底部边框 */
            position: relative;
            padding-left: 50%; /* 左侧留出空间 */
            text-align: left; /* 文本左对齐 */
        }

        td:before {
            position: absolute;
            left: 6px;
            width: 45%;
            padding-right: 10px;
            white-space: nowrap;
            content: attr(data-label); /* 显示列名 */
            font-weight: bold; /* 列名加粗 */
        }
    }
    
     /*H1标签样式*/
        h1{text-align: center;
           font-size: 28px;
           color: #2c3e50;
           line-height: 1.2;
           padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        
        /* 友情链接样式 */
        .footer-links {
            text-align: center;
            padding: 20px 0;
            background-color: #e7e9eb;
            border-top: 1px solid #e9ecef;
        }

        .footer-links span {
            font-weight: bold;
            margin-right: 10px;
        }

        .footer-links a {
            color: #007bff;
            text-decoration: none;
            margin: 0 10px;
            display: inline-block; /* 确保链接在移动端换行 */
        }

        .footer-links a:hover {
            text-decoration: underline;
        }

        /* 响应式设计 */
        @media (max-width: 600px) {
            .footer-links {
                padding: 15px 0;
            }

            .footer-links a {
                margin: 5px 10px; /* 在移动端增加上下间距 */
                display: block; /* 移动端每行显示一个链接 */
            }
        }