/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #000033, #003366);
        color: #ffffff;
        line-height: 1.6;
    }

    a {
        color: #00ff99;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #00cc99;
    }

    /* 容器 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 头部 */
    header {
        text-align: center;
        padding: 50px 20px;
        background: linear-gradient(135deg, #000033, #003366);
        position: relative;
    }

    header h1 {
        font-size: 3rem;
        color: #00ff99;
        margin-bottom: 20px;
        animation: glow 2s infinite alternate;
    }

    @keyframes glow {
        from {
            text-shadow: 0 0 10px #00ff99, 0 0 20px #00ff99, 0 0 30px #00ff99;
        }
        to {
            text-shadow: 0 0 20px #00ff99, 0 0 30px #00ff99, 0 0 40px #00ff99;
        }
    }

    /* 主体内容 */
    article {
        background: rgba(0, 0, 51, 0.8);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        margin-bottom: 40px;
    }

    article h2 {
        font-size: 2.5rem;
        color: #00cc99;
        margin-bottom: 20px;
    }

    article h3 {
        font-size: 2rem;
        color: #00ff99;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    article h4 {
        font-size: 1.5rem;
        color: #00cc99;
        margin-top: 20px;
        margin-bottom: 10px;
    }

    article p {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }

    article ul {
        list-style: disc inside;
        margin-bottom: 15px;
    }

    article code {
        background: #001a33;
        color: #00ff99;
        padding: 2px 5px;
        border-radius: 3px;
        font-family: 'Courier New', Courier, monospace;
    }

    article pre {
        background: #001a33;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    /* 示例数据展示 */
    .sample-data {
        background: rgba(51, 51, 51, 0.9);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 40px;
    }

    .sample-data h2 {
        font-size: 2rem;
        color: #00ff99;
        margin-bottom: 20px;
    }

    .sample-data ul {
        list-style: square inside;
    }

    .sample-data li {
        margin-bottom: 10px;
    }

    /* 图片样式 */
    .images-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: 10px;
        margin-bottom: 40px;
    }

    .images-grid img {
        width: 100%;
        height: auto;
        border-radius: 5px;
        transition: transform 0.3s ease;
    }

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

    /* 响应式 */
    @media (max-width: 768px) {
        header h1 {
            font-size: 2.5rem;
        }

        article h2 {
            font-size: 2rem;
        }

        article h3 {
            font-size: 1.75rem;
        }

        article h4 {
            font-size: 1.25rem;
        }

        article p {
            font-size: 1rem;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 2rem;
        }

        article h2 {
            font-size: 1.75rem;
        }

        article h3 {
            font-size: 1.5rem;
        }

        article h4 {
            font-size: 1rem;
        }

        article p {
            font-size: 0.9rem;
        }
    }

    /* 提示信息 */
    .reference-note {
        text-align: center;
        font-size: 1rem;
        color: #cccccc;
        margin-bottom: 20px;
    }