/* 全局样式 */
    body {
        margin: 0;
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
        background: linear-gradient(135deg, #001f3f, #005cbf);
        color: #ffffff;
        padding: 0;
        box-sizing: border-box;
    }

    /* 容器 */
    .container {
        display: flex;
        min-height: 100vh;
        flex-direction: row;
    }

    /* 侧边栏 */
    .sidebar {
        width: 250px;
        background: linear-gradient(180deg, #001f3f, #005cbf);
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        padding: 20px;
        box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    }

    .sidebar h1 {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .sidebar a {
        display: block;
        color: #ffffff;
        text-decoration: none;
        margin: 15px 0;
        transition: color 0.3s, transform 0.3s;
    }

    .sidebar a:hover {
        color: #ffa500;
        transform: scale(1.05);
    }

    /* 主内容区域 */
    .main-content {
        margin-left: 250px;
        padding: 40px 20px;
        background: linear-gradient(135deg, #002b5c, #005cbf);
        min-height: 100vh;
        animation: backgroundMove 15s linear infinite;
    }

    @keyframes backgroundMove {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* 文章样式 */
    article {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    article h2 {
        font-size: 28px;
        margin-bottom: 20px;
        color: #ffa500;
    }

    article h3 {
        font-size: 22px;
        margin-top: 20px;
        color: #00ff7f;
    }

    article p {
        font-size: 16px;
        margin: 10px 0;
        color: #ffffff;
    }

    article pre {
        background: #002b5c;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    article code {
        color: #ffeb3b;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }

    .images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 5px;
    }

    /* 提示信息 */
    .notice {
        background: rgba(255, 165, 0, 0.8);
        padding: 10px;
        border-radius: 5px;
        text-align: center;
        margin-bottom: 20px;
        font-weight: bold;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .sidebar {
            width: 220px;
        }
        .main-content {
            margin-left: 220px;
        }
    }

    @media (max-width: 1200px) {
        .sidebar {
            width: 200px;
        }
        .main-content {
            margin-left: 200px;
        }
    }

    @media (max-width: 1024px) {
        .sidebar {
            width: 180px;
        }
        .main-content {
            margin-left: 180px;
        }
    }

    @media (max-width: 768px) {
        .container {
            flex-direction: column;
        }
        .sidebar {
            position: static;
            width: 100%;
            height: auto;
            box-shadow: none;
        }
        .main-content {
            margin-left: 0;
            padding: 20px;
        }
    }

    @media (max-width: 480px) {
        article h2 {
            font-size: 24px;
        }
        article h3 {
            font-size: 20px;
        }
        article p {
            font-size: 14px;
        }
        .images img {
            width: 80px;
            height: 80px;
        }
    }

    @media (max-width: 320px) {
        article h2 {
            font-size: 20px;
        }
        article h3 {
            font-size: 18px;
        }
        article p {
            font-size: 12px;
        }
        .images img {
            width: 60px;
            height: 60px;
        }
    }

    /* 动画效果 */
    .button {
        background-color: #ffa500;
        color: #ffffff;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s, background-color 0.3s;
    }

    .button:hover {
        transform: scale(1.1);
        background-color: #ffd700;
    }

    .success-message {
        background-color: #00ff7f;
        color: #ffffff;
        padding: 10px;
        border-radius: 5px;
        margin-top: 10px;
    }

    /* 数据可视化 */
    .chart {
        width: 100%;
        height: 300px;
        background: #001f3f;
        border-radius: 10px;
        margin: 20px 0;
    }