body {
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    background-color: #f4f4f9; /* 浅灰色背景 */
    color: #333; /* 深灰色文本 */
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.container {
    width: 90%;
    max-width: 1200px;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #004d99; /* 深蓝色标题 */
    margin-bottom: 30px;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

thead th {
    background-color: #007bff; /* 蓝色表头背景 */
    color: white;
    font-weight: bold;
    text-transform: uppercase;
}

tbody tr:nth-child(even) {
    background-color: #f9f9f9; /* 斑马条纹效果 */
}

tbody tr:hover {
    background-color: #e9e9e9; /* 鼠标悬停高亮 */
}

td a {
    color: #007bff; /* 链接颜色 */
    text-decoration: none;
    transition: color 0.3s;
}

td a:hover {
    color: #0056b3; /* 链接悬停颜色 */
    text-decoration: underline;
}

.note {
    text-align: center;
    margin-top: 20px;
    color: #666;
    font-style: italic;
}

/* 响应式设计：在小屏幕上允许表格水平滚动 */
@media screen and (max-width: 768px) {
    .container {
        padding: 10px;
    }
    table, thead, tbody, th, td, tr {
        display: block;
    }
    
    thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }
    
    tr { border: 1px solid #ccc; margin-bottom: 10px; }
    
    td {
        border: none;
        border-bottom: 1px solid #eee;
        position: relative;
        padding-left: 50%;
        text-align: right;
    }
    
    td:before {
        position: absolute;
        top: 6px;
        left: 6px;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: bold;
        color: #007bff;
    }
    
    /* 模拟表头 */
    td:nth-of-type(1):before { content: "机场名称"; }
    td:nth-of-type(2):before { content: "线路特点"; }
    td:nth-of-type(3):before { content: "机场网址"; }
    td:nth-of-type(4):before { content: "机场节点"; }
}