/* 基本样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0F2027, #203A43, #2C5364);
        color: #fff;
        line-height: 1.6;
    }

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

    /* 顶部导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(32, 58, 67, 0.9);
        padding: 15px 0;
        z-index: 1000;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .navbar ul {
        list-style: none;
        display: flex;
        justify-content: center;
        margin: 0;
        padding: 0;
    }

    .navbar ul li {
        margin: 0 15px;
    }

    .navbar ul li a {
        color: #fff;
        text-decoration: none;
        font-size: 16px;
        transition: color 0.3s ease;
    }

    .navbar ul li a:hover {
        color: #FF5722;
    }

    /* 主要内容 */
    main {
        margin-top: 80px;
    }

    article {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    }

    h2, h3, h4 {
        font-family: 'Roboto', sans-serif;
        color: #FFD740;
    }

    h2 {
        font-size: 2em;
        margin-bottom: 20px;
    }

    h3 {
        font-size: 1.5em;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    h4 {
        font-size: 1.2em;
        margin-top: 25px;
        margin-bottom: 10px;
    }

    p {
        font-size: 1em;
        margin-bottom: 15px;
    }

    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        color: #FF9800;
        font-family: 'Courier New', Courier, monospace;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 15px;
    }

    table, th, td {
        border: 1px solid #fff;
    }

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

    th {
        background: rgba(255, 87, 34, 0.8);
    }

    /* 图片样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        border-radius: 5px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            width: 95%;
        }
    }

    @media (max-width: 1200px) {
        .navbar ul {
            flex-direction: column;
            align-items: center;
        }

        .navbar ul li {
            margin: 10px 0;
        }
    }

    @media (max-width: 1024px) {
        article {
            padding: 20px;
        }
    }

    @media (max-width: 768px) {
        h2 {
            font-size: 1.8em;
        }

        h3 {
            font-size: 1.3em;
        }

        .image-gallery {
            flex-direction: column;
            align-items: center;
        }
    }

    @media (max-width: 480px) {
        h2 {
            font-size: 1.5em;
        }

        h3 {
            font-size: 1.1em;
        }

        p, code, table {
            font-size: 0.9em;
        }
    }

    @media (max-width: 320px) {
        .navbar ul li a {
            font-size: 14px;
        }

        h2 {
            font-size: 1.3em;
        }

        h3 {
            font-size: 1em;
        }

        p, code, table {
            font-size: 0.8em;
        }
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    body {
        background: radial-gradient(circle, rgb(0, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    /* 提示信息 */
    .reference {
        text-align: center;
        margin: 40px 0;
        font-size: 1.2em;
        color: #FFEB3B;
    }