/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        color: #ffffff;
        line-height: 1.6;
    }

    /* 全屏背景动画 */
    .background {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(to bottom, #000080, #4b0082);
        animation: pulse 10s infinite;
        z-index: -1;
    }

    @keyframes pulse {
        0% { opacity: 1; }
        50% { opacity: 0.8; }
        100% { opacity: 1; }
    }

    /* 头部导航 */
    header {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.5);
        padding: 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
    }

    header h1 {
        margin: 0;
        font-family: 'Futura', sans-serif;
        font-size: 24px;
        letter-spacing: 2px;
    }

    nav ul {
        list-style: none;
        display: flex;
        margin: 0;
        padding: 0;
    }

    nav ul li {
        margin-left: 20px;
    }

    nav ul li a {
        color: #ffffff;
        text-decoration: none;
        transition: color 0.3s;
    }

    nav ul li a:hover {
        color: #1e90ff;
    }

    /* 主内容区 */
    .container {
        max-width: 1200px;
        margin: 100px auto 50px;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .container h2, .container h3 {
        font-family: 'Futura', sans-serif;
        color: #ffffff;
        margin-top: 20px;
    }

    .container p {
        margin: 15px 0;
        color: #e0e0e0;
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.6);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        color: #00ffea;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table, th, td {
        border: 1px solid #ffffff;
    }

    th, td {
        padding: 10px;
        text-align: left;
    }

    th {
        background: rgba(255, 255, 255, 0.2);
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }

    .images img {
        width: 100%;
        max-width: 320px;
        border-radius: 10px;
    }

    /* 按钮样式 */
    .button {
        background-color: #1e90ff;
        color: white;
        border: none;
        padding: 10px 20px;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-size: 16px;
    }

    .button:hover {
        background-color: #4682b4;
        transform: scale(1.1);
    }

    /* 信息展示区 */
    .data-display {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin: 40px 0;
    }

    .data-display h2 {
        margin-bottom: 15px;
    }

    .data-display ul {
        list-style: disc inside;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 22px;
        }

        .container {
            padding: 15px;
        }
    }

    @media (max-width: 1200px) {
        header h1 {
            font-size: 20px;
        }

        .container {
            margin: 90px auto 40px;
        }
    }

    @media (max-width: 1024px) {
        .images {
            justify-content: center;
        }
    }

    @media (max-width: 768px) {
        nav ul {
            flex-direction: column;
            align-items: center;
        }

        nav ul li {
            margin: 10px 0;
        }

        .container {
            margin: 80px auto 30px;
        }
    }

    @media (max-width: 480px) {
        header {
            flex-direction: column;
            align-items: flex-start;
        }

        header h1 {
            font-size: 18px;
        }

        nav ul {
            flex-direction: column;
            width: 100%;
        }

        .images img {
            max-width: 100%;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 16px;
        }

        .button {
            width: 100%;
            padding: 12px;
            font-size: 14px;
        }

        table, th, td {
            font-size: 12px;
        }
    }

    /* 提示信息样式 */
    .reference-note {
        text-align: center;
        margin-top: 20px;
        font-size: 14px;
        color: #cccccc;
    }