/* 基本重置与全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Poppins', sans-serif;
        background: linear-gradient(135deg, #1E3A8A, #F9FAFB);
        color: #1E3A8A;
        line-height: 1.6;
        padding: 20px;
    }

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

    a[rel="nofollow"]::after {
        content: '';
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        height: 100vh;
        background: #1E3A8A;
        color: #F9FAFB;
        padding: 20px;
        transition: width 0.3s ease;
    }

    .navbar h1 {
        font-family: 'Merriweather', serif;
        font-size: 1.5em;
        margin-bottom: 30px;
    }

    .navbar ul {
        list-style: none;
    }

    .navbar ul li {
        margin-bottom: 20px;
    }

    .navbar ul li a {
        font-size: 1.1em;
        transition: color 0.3s ease, transform 0.3s ease;
    }

    .navbar ul li a:hover {
        color: #FFD700;
        transform: scale(1.1);
    }

    /* 主内容区域 */
    .main-content {
        margin-left: 270px;
        padding: 20px;
        background: rgba(249, 250, 251, 0.9);
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .main-content h2 {
        font-family: 'Merriweather', serif;
        color: #1E3A8A;
        margin-bottom: 20px;
        text-align: center;
    }

    .main-content p {
        margin-bottom: 15px;
    }

    /* 示例展示样式 */
    .example-article {
        border: 2px solid #FFD700;
        padding: 20px;
        border-radius: 10px;
        background: #F9FAFB;
        margin-top: 40px;
    }

    .example-article h2, .example-article h3, .example-article h4 {
        color: #1E3A8A;
    }

    .example-article pre {
        background: #1E3A8A;
        color: #F9FAFB;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
    }

    .example-article table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
    }

    .example-article table, .example-article th, .example-article td {
        border: 1px solid #1E3A8A;
    }

    .example-article th, .example-article td {
        padding: 10px;
        text-align: left;
    }

    /* 图片样式 */
    .images-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin-top: 20px;
    }

    .images-grid img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }

    /* 按钮样式 */
    .button {
        background-color: #FFD700;
        color: #1E3A8A;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        transition: transform 0.3s ease;
        cursor: pointer;
    }

    .button:hover {
        transform: scale(1.1);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .navbar {
            width: 220px;
        }

        .main-content {
            margin-left: 240px;
        }
    }

    @media (max-width: 1200px) {
        .navbar {
            width: 200px;
        }

        .main-content {
            margin-left: 220px;
        }
    }

    @media (max-width: 1024px) {
        .navbar {
            width: 180px;
        }

        .main-content {
            margin-left: 200px;
        }
    }

    @media (max-width: 768px) {
        .navbar {
            position: relative;
            width: 100%;
            height: auto;
        }

        .main-content {
            margin-left: 0;
            margin-top: 20px;
        }

        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        }
    }

    @media (max-width: 480px) {
        .navbar {
            padding: 15px;
        }

        .navbar h1 {
            font-size: 1.2em;
        }

        .navbar ul li a {
            font-size: 1em;
        }

        .button {
            padding: 8px 16px;
        }
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }

        .navbar h1 {
            font-size: 1em;
        }

        .navbar ul li a {
            font-size: 0.9em;
        }

        .main-content {
            padding: 10px;
        }
    }

    /* 动态交互效果 */
    @keyframes aurora-move {
        0% { background: radial-gradient(circle, rgb(255, 87, 34), transparent); }
        50% { background: radial-gradient(circle, rgb(34, 193, 195), transparent); }
        100% { background: radial-gradient(circle, rgb(255, 87, 34), transparent); }
    }

    .dynamic-background {
        animation: aurora-move 15s linear infinite;
    }

    /* 提示信息 */
    .message {
        background: #d1fae5;
        color: #065f46;
        padding: 15px;
        border-left: 5px solid #34D399;
        border-radius: 3px;
        margin-bottom: 20px;
    }

    /* 这是一个网页样式设计参考提示 */
    .reference-note {
        text-align: center;
        font-size: 1em;
        color: #1E3A8A;
        margin-top: 30px;
    }