/* 引入字体 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@700&family=Open+Sans:wght@300&display=swap');

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

    body {
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #1E3C72, #2A5298);
        color: #FFFFFF;
        line-height: 1.6;
    }

    h1, h2, h3, h4 {
        font-family: 'Roboto', sans-serif;
        color: #FFD700;
    }

    a {
        color: #FFD700;
        text-decoration: none;
    }

    /* 分屏布局 */
    .split-container {
        display: flex;
        min-height: 100vh;
        padding: 20px;
        gap: 20px;
    }

    .left-section, .right-section {
        flex: 1;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
    }

    .left-section {
        background: rgba(0, 0, 0, 0.5);
    }

    .right-section {
        background: rgba(0, 0, 0, 0.7);
    }

    /* 按钮样式 */
    .btn {
        background-color: #FFD700;
        color: #000;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: background-color 0.3s ease;
        margin-top: 20px;
    }

    .btn:hover {
        background-color: #FFC107;
    }

    /* 代码块样式 */
    pre {
        background: #2A5298;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        color: #FFFFFF;
        font-family: 'Courier New', Courier, monospace;
        margin-top: 10px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        background: #1E3C72;
        padding: 2px 4px;
        border-radius: 3px;
    }

    /* 示范文章样式 */
    .sample-article {
        background: rgba(255, 215, 0, 0.2);
        padding: 20px;
        border-radius: 10px;
        margin: 40px 20px;
    }

    /* 图片样式 */
    img {
        max-width: 100%;
        height: auto;
        border-radius: 5px;
        margin-top: 10px;
    }

    /* 动画效果 */
    .fade-in {
        opacity: 0;
        transition: opacity 1s ease-in-out;
    }

    .fade-in.active {
        opacity: 1;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .split-container {
            flex-direction: row;
        }
    }

    @media (max-width: 1200px) {
        .split-container {
            flex-direction: column;
        }
    }

    @media (max-width: 1024px) {
        .split-container {
            flex-direction: column;
        }
    }

    @media (max-width: 768px) {
        .split-container {
            flex-direction: column;
        }
    }

    @media (max-width: 480px) {
        .split-container {
            flex-direction: column;
        }
    }

    @media (max-width: 320px) {
        .split-container {
            flex-direction: column;
        }
    }

    /* 提示文字样式 */
    .reference-note {
        position: fixed;
        bottom: 10px;
        right: 10px;
        background: rgba(0,0,0,0.7);
        color: #FFD700;
        padding: 5px 10px;
        border-radius: 5px;
        font-size: 14px;
    }