/* 引入Roboto字体 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #000046, #1CB5E0);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    a {
        color: #FF4136;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #FF851B;
    }

    /* 头部样式 */
    header {
        text-align: center;
        padding: 50px 20px;
        background: linear-gradient(135deg, #1CB5E0, #000046);
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    header h1 {
        font-size: 2.5em;
        margin-bottom: 10px;
        color: #ffffff;
    }

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

    /* 主容器 */
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin: 40px 0;
    }

    /* 模块样式 */
    .module {
        background: rgba(30, 30, 30, 0.8);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .module:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }

    .module img {
        width: 100%;
        height: auto;
        border-radius: 5px;
        margin-bottom: 15px;
    }

    .module h2 {
        font-size: 1.5em;
        margin-bottom: 10px;
        color: #1CB5E0;
    }

    .module p {
        font-size: 1em;
        color: #cccccc;
    }

    /* 示例数据展示 */
    .sample-data {
        background: rgba(50, 50, 50, 0.9);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    .sample-data h2 {
        font-size: 1.8em;
        margin-bottom: 15px;
        color: #FF851B;
    }

    .sample-data ul {
        list-style: none;
    }

    .sample-data li {
        margin-bottom: 10px;
        padding-left: 20px;
        position: relative;
    }

    .sample-data li::before {
        content: '•';
        position: absolute;
        left: 0;
        color: #FF4136;
    }

    /* 示例文章展示 */
    .sample-article {
        background: rgba(30, 30, 30, 0.85);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    .sample-article h2 {
        font-size: 1.8em;
        margin-bottom: 15px;
        color: #B10DC9;
    }

    .sample-article h3 {
        font-size: 1.4em;
        margin-top: 20px;
        color: #1CB5E0;
    }

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

    .sample-article pre {
        background: #2C2C2C;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    .sample-article code {
        color: #FFDC00;
    }

    /* 备注样式 */
    .note {
        text-align: center;
        margin-top: 40px;
        font-size: 1.2em;
        color: #FF851B;
    }

    /* 响应式设计 */
    @media (max-width: 480px) {
        header h1 {
            font-size: 2em;
        }

        .module h2, .sample-data h2, .sample-article h2 {
            font-size: 1.5em;
        }

        .sample-article h3 {
            font-size: 1.2em;
        }
    }

    @media (min-width: 481px) and (max-width: 768px) {
        header h1 {
            font-size: 2.2em;
        }

        .module h2, .sample-data h2, .sample-article h2 {
            font-size: 1.6em;
        }

        .sample-article h3 {
            font-size: 1.3em;
        }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        header h1 {
            font-size: 2.5em;
        }

        .module h2, .sample-data h2, .sample-article h2 {
            font-size: 1.7em;
        }
    }

    @media (min-width: 1025px) and (max-width: 1200px) {
        header h1 {
            font-size: 2.8em;
        }

        .module h2, .sample-data h2, .sample-article h2 {
            font-size: 1.8em;
        }
    }

    @media (min-width: 1201px) {
        header h1 {
            font-size: 3em;
        }

        .module h2, .sample-data h2, .sample-article h2 {
            font-size: 2em;
        }
    }