/* 基本文本样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        color: #333;
        line-height: 1.6;
    }

    /* 容器布局 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 20px;
        padding: 40px 0;
    }

    /* 头部样式 */
    header {
        grid-column: span 12;
        text-align: center;
        padding: 20px 0;
        background: radial-gradient(circle, rgba(255,87,34,0.8), transparent);
        animation: aurora-move 15s linear infinite;
    }

    header h1 {
        font-family: 'Montserrat', sans-serif;
        font-size: 2.5em;
        color: #fff;
    }

    /* 导航栏样式 */
    nav {
        grid-column: span 12;
        display: flex;
        justify-content: center;
        background-color: rgba(0, 0, 0, 0.5);
        padding: 10px 0;
    }

    nav a {
        color: #fff;
        margin: 0 15px;
        text-decoration: none;
        font-size: 1.1em;
        transition: color 0.3s;
    }

    nav a:hover {
        color: #FFC300;
    }

    /* 主内容样式 */
    main {
        grid-column: span 12;
    }

    article {
        background: rgba(255, 255, 255, 0.9);
        padding: 30px;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    article h2 {
        font-family: 'Montserrat', sans-serif;
        font-size: 2em;
        color: #1e3c72;
        margin-bottom: 20px;
    }

    article h3 {
        font-family: 'Montserrat', sans-serif;
        font-size: 1.5em;
        color: #2a5298;
        margin-top: 30px;
    }

    article h4 {
        font-family: 'Montserrat', sans-serif;
        font-size: 1.2em;
        color: #2a5298;
        margin-top: 20px;
    }

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

    article code {
        background: #f4f4f4;
        padding: 2px 4px;
        border-radius: 4px;
        font-family: 'Courier New', Courier, monospace;
    }

    article pre {
        background: #f4f4f4;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
    }

    /* 示例文章区分样式 */
    .example-display {
        border-left: 4px solid #FFC300;
        padding-left: 15px;
        margin-top: 20px;
    }

    /* 数据可视化样式 */
    .data-visualization img {
        width: 100%;
        height: auto;
        border-radius: 8px;
        margin-bottom: 20px;
    }

    /* 用户案例分享样式 */
    .user-cases {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .user-case {
        background: #fff;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .user-case h5 {
        font-family: 'Montserrat', sans-serif;
        font-size: 1.1em;
        color: #1e3c72;
        margin-bottom: 10px;
    }

    /* 图片样式 */
    .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 10px;
        margin-top: 20px;
    }

    .gallery img {
        width: 100%;
        height: auto;
        border-radius: 4px;
    }

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

    .fade-in {
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.5s ease;
    }

    .fade-in.active {
        opacity: 1;
        transform: translateY(0);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.2em;
        }
        nav a {
            margin: 0 10px;
            font-size: 1em;
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: repeat(12, 1fr);
        }
    }

    @media (max-width: 1024px) {
        .container {
            grid-template-columns: repeat(12, 1fr);
        }
    }

    @media (max-width: 768px) {
        .container {
            grid-template-columns: repeat(6, 1fr);
        }
        nav a {
            margin: 0 8px;
            font-size: 0.9em;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.8em;
        }
        nav {
            flex-direction: column;
            align-items: center;
        }
        nav a {
            margin: 5px 0;
            font-size: 0.8em;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.5em;
        }
        nav a {
            font-size: 0.7em;
        }
    }

    /* 提示信息样式 */
    .reference-note {
        text-align: center;
        font-size: 1em;
        color: #FFC300;
        margin-top: 30px;
    }

    /* 链接样式 */
    a[rel="nofollow"] {
        color: #2a5298;
        text-decoration: underline;
    }

    a[rel="nofollow"]:hover {
        color: #1e3c72;
    }