/* 根元素变量定义 */
    :root {
        --primary-color: #4CAF50; /* 橄榄绿 */
        --secondary-color: #1E88E5; /* 科技蓝 */
        --accent-color: #FFC107; /* 金橙色 */
        --background-color: #F5F5DC; /* 米白色背景 */
        --text-color: #333333;
        --font-primary: 'Lato', sans-serif;
        --font-secondary: 'Poppins', sans-serif;
        --transition-duration: 0.3s;
    }

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

    body {
        font-family: var(--font-primary);
        background: linear-gradient(135deg, #E0F7FA, #FFECB3);
        color: var(--text-color);
        line-height: 1.6;
        padding: 20px;
    }

    /* 头部样式 */
    header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 0;
    }

    .logo {
        font-family: var(--font-secondary);
        font-size: 1.8em;
        color: var(--primary-color);
    }

    .nav-menu {
        list-style: none;
        display: flex;
        gap: 20px;
    }

    .nav-menu li a {
        text-decoration: none;
        color: var(--text-color);
        position: relative;
        padding-bottom: 5px;
        transition: color var(--transition-duration);
    }

    .nav-menu li a::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 2px;
        background: var(--primary-color);
        bottom: 0;
        left: 0;
        transform: scaleX(0);
        transition: transform var(--transition-duration);
    }

    .nav-menu li a:hover::after {
        transform: scaleX(1);
    }

    .nav-menu li a:hover {
        color: var(--primary-color);
    }

    /* 主内容区 */
    .container {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 20px;
    }

    .left-section, .right-section {
        flex: 1 1 45%;
        background: rgba(255, 255, 255, 0.8);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .left-section {
        background-image: url('https://images.gptkong.com/demo/sample1.png');
        background-size: cover;
        background-position: center;
        position: relative;
    }

    .left-section::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.3);
        border-radius: 10px;
    }

    .right-section {
        background-color: #fff;
    }

    /* 文章展示 */
    .article-section {
        margin-top: 40px;
    }

    .article-section h2 {
        font-family: var(--font-secondary);
        color: var(--secondary-color);
        margin-bottom: 20px;
    }

    .article-section p {
        margin-bottom: 15px;
    }

    .article-section pre {
        background: #f0f0f0;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        margin-bottom: 20px;
    }

    .article-section code {
        background: #f0f0f0;
        padding: 2px 4px;
        border-radius: 3px;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 示例展示 */
    .example-display {
        background: linear-gradient(135deg, #FFF176, #FF8A65);
        padding: 20px;
        border-radius: 10px;
        margin-top: 40px;
    }

    .example-display h3 {
        font-family: var(--font-secondary);
        color: var(--accent-color);
        margin-bottom: 15px;
    }

    .example-display ul {
        list-style: disc;
        padding-left: 20px;
    }

    .example-display ul li {
        margin-bottom: 10px;
    }

    /* 按钮样式 */
    .button {
        display: inline-block;
        background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
        color: #fff;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        text-decoration: none;
        cursor: pointer;
        transition: transform var(--transition-duration), box-shadow var(--transition-duration);
    }

    .button:hover {
        transform: scale(1.05);
        box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    }

    /* 提示文本 */
    .reference-note {
        margin-top: 40px;
        font-style: italic;
        color: #555;
    }

    /* 图片网格 */
    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
        margin-top: 20px;
    }

    .image-grid img {
        width: 100%;
        border-radius: 5px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .left-section, .right-section {
            flex: 1 1 48%;
        }
    }

    @media (max-width: 1200px) {
        .left-section, .right-section {
            flex: 1 1 100%;
        }
    }

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

    @media (max-width: 768px) {
        .left-section, .right-section {
            width: 100%;
        }

        header {
            flex-direction: column;
            align-items: flex-start;
        }

        .nav-menu {
            flex-direction: column;
            gap: 10px;
        }
    }

    @media (max-width: 480px) {
        body {
            padding: 10px;
        }

        .logo {
            font-size: 1.5em;
        }

        .nav-menu li a {
            font-size: 0.9em;
        }
    }

    @media (max-width: 320px) {
        .button {
            padding: 8px 16px;
            font-size: 0.8em;
        }
    }