/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto Mono', monospace;
        background: linear-gradient(135deg, #00467f, #a869d6);
        color: #ffffff;
        line-height: 1.6;
    }

    /* 容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 标题样式 */
    h1, h2, h3 {
        font-weight: bold;
        color: #ffffff;
        text-align: center;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 2.5em;
        letter-spacing: 2px;
    }

    h2 {
        font-size: 2em;
        margin-top: 40px;
    }

    h3 {
        font-size: 1.5em;
        margin-top: 30px;
    }

    /* 段落样式 */
    p {
        font-size: 1em;
        margin-bottom: 20px;
    }

    /* 代码块样式 */
    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

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

    /* 列表样式 */
    ul {
        list-style-type: disc;
        padding-left: 40px;
        margin-bottom: 20px;
    }

    li {
        margin-bottom: 10px;
    }

    /* 按钮样式 */
    .btn {
        background-color: #007bff;
        color: #ffffff;
        border: none;
        padding: 10px 20px;
        cursor: pointer;
        transition: all 0.3s ease;
        border-radius: 5px;
        text-decoration: none;
    }

    .btn:hover {
        background-color: #0056b3;
        transform: scale(1.1);
    }

    /* 导航栏样式 */
    nav {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.5);
        padding: 10px 0;
        z-index: 1000;
    }

    nav ul {
        display: flex;
        justify-content: center;
        gap: 30px;
    }

    nav a {
        color: #ffffff;
        text-decoration: none;
        font-size: 1.1em;
        transition: color 0.3s ease;
    }

    nav a:hover {
        color: #a869d6;
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
        margin-bottom: 40px;
    }

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

    /* 示例数据展示 */
    .sample-data {
        background: rgba(0, 0, 0, 0.7);
        padding: 20px;
        border-radius: 10px;
        margin-top: 40px;
    }

    .sample-data h2 {
        text-align: left;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.2em;
        }
        h2 {
            font-size: 1.8em;
        }
        h3 {
            font-size: 1.3em;
        }
    }

    @media (max-width: 1200px) {
        .container {
            width: 95%;
        }
    }

    @media (max-width: 1024px) {
        nav ul {
            flex-direction: column;
            gap: 15px;
        }
    }

    @media (max-width: 768px) {
        h1 {
            font-size: 2em;
        }
        h2 {
            font-size: 1.5em;
        }
        h3 {
            font-size: 1.2em;
        }
        .images {
            flex-direction: column;
            align-items: center;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 1.8em;
        }
        h2 {
            font-size: 1.3em;
        }
        h3 {
            font-size: 1em;
        }
        nav ul {
            gap: 10px;
        }
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }
        .btn {
            padding: 8px 16px;
            font-size: 0.9em;
        }
    }