/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, rgb(34, 34, 34), transparent);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
        animation: aurora-move 15s linear infinite;
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* 头部样式 */
    header {
        text-align: center;
        padding: 50px 0;
        background: linear-gradient(135deg, #1f1f1f, #2c2c2c);
        border-radius: 10px;
        margin-bottom: 40px;
    }

    header h1 {
        font-family: 'Montserrat', sans-serif;
        font-size: 2.5em;
        color: #00ff99;
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2em;
        color: #cccccc;
    }

    /* 主内容区 */
    .container {
        display: grid;
        grid-template-columns: 1fr;
        gap: 30px;
    }

    article {
        background: rgba(0, 0, 0, 0.8);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    }

    article h2 {
        font-family: 'Montserrat', sans-serif;
        font-size: 2em;
        color: #00aaff;
        margin-bottom: 15px;
    }

    article h3 {
        font-family: 'Montserrat', sans-serif;
        font-size: 1.5em;
        color: #00ff99;
        margin-top: 20px;
        margin-bottom: 10px;
    }

    article p {
        font-size: 1em;
        color: #dddddd;
        margin-bottom: 15px;
    }

    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
    }

    code {
        color: #ffcc00;
        font-family: 'Courier New', Courier, monospace;
        font-size: 0.95em;
    }

    /* 示例展示区 */
    .example {
        background: rgba(20, 20, 20, 0.9);
        padding: 20px;
        border-radius: 10px;
        margin-top: 40px;
    }

    .example h2 {
        color: #ff5722;
    }

    .example pre {
        background: #2c2c2c;
    }

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

    .images img {
        width: 100%;
        max-width: 320px;
        border-radius: 5px;
    }

    /* 响应式设计 */
    @media (min-width: 320px) {
        body {
            padding: 10px;
        }

        header h1 {
            font-size: 1.8em;
        }

        article h2 {
            font-size: 1.5em;
        }
    }

    @media (min-width: 480px) {
        .container {
            grid-template-columns: 1fr 1fr;
        }

        article {
            padding: 25px;
        }

        header h1 {
            font-size: 2em;
        }
    }

    @media (min-width: 768px) {
        .container {
            grid-template-columns: 2fr 3fr;
        }

        header {
            padding: 60px 0;
        }

        article h2 {
            font-size: 2.2em;
        }
    }

    @media (min-width: 1024px) {
        .container {
            grid-template-columns: repeat(3, 1fr);
        }

        header h1 {
            font-size: 2.5em;
        }
    }

    @media (min-width: 1200px) {
        body {
            padding: 40px;
        }

        .images img {
            max-width: 300px;
        }
    }

    @media (min-width: 1440px) {
        article {
            padding: 30px;
        }

        header h1 {
            font-size: 3em;
        }
    }

    /* 链接样式 */
    a {
        color: #00aaff;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #ff5722;
    }

    /* 提示文本样式 */
    .reference {
        text-align: center;
        font-size: 1.2em;
        color: #aaaaaa;
        margin-top: 50px;
    }