/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #E0F7FA, #FFEBEE);
        color: #455A64;
        line-height: 1.6;
    }

    /* 渐变背景与动画 */
    .animated-background {
        background: radial-gradient(circle, rgba(255, 87, 34, 0.3), transparent);
        animation: aurora-move 15s linear infinite;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
    }

    @keyframes aurora-move {
        from { transform: translateX(0); }
        to { transform: translateX(-100%); }
    }

    /* 导航栏样式 */
    nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px;
        background: rgba(69, 90, 100, 0.8);
        position: sticky;
        top: 0;
        z-index: 10;
        backdrop-filter: blur(10px);
    }

    nav a {
        color: #FFFFFF;
        text-decoration: none;
        margin: 0 15px;
        transition: transform 0.3s, opacity 0.3s;
    }

    nav a:hover {
        transform: scale(1.1);
        opacity: 0.8;
    }

    /* 主要内容区域 */
    .container {
        max-width: 1200px;
        margin: 80px auto;
        padding: 20px;
        background: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    /* 标题样式 */
    h1, h2, h3 {
        color: #455A64;
        font-weight: bold;
        margin-bottom: 20px;
    }

    /* 段落样式 */
    p {
        margin-bottom: 20px;
    }

    /* 代码块样式 */
    pre {
        background: #f5f5f5;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #D32F2F;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    th, td {
        border: 1px solid #B0BEC5;
        padding: 10px;
        text-align: left;
    }

    th {
        background-color: #E0F7FA;
    }

    /* 按钮样式 */
    .btn {
        background-color: #69F0AE;
        color: #FFFFFF;
        border: none;
        padding: 10px 20px;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.2s, opacity 0.2s;
    }

    .btn:hover {
        transform: scale(1.1);
        opacity: 0.8;
    }

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

    .gallery img {
        width: 100%;
        max-width: 320px;
        border-radius: 10px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1024px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            max-width: 768px;
        }
    }

    @media (max-width: 1024px) {
        nav {
            flex-direction: column;
        }
        nav a {
            margin: 10px 0;
        }
    }

    @media (max-width: 768px) {
        .gallery {
            flex-direction: column;
            align-items: center;
        }
    }

    @media (max-width: 480px) {
        .container {
            padding: 10px;
        }
        nav {
            padding: 10px;
        }
        nav a {
            margin: 5px 0;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 24px;
        }
        h2 {
            font-size: 20px;
        }
        h3 {
            font-size: 18px;
        }
        .btn {
            padding: 8px 16px;
        }
    }

    /* 提示条样式 */
    .notice {
        text-align: center;
        padding: 10px;
        background: #FFEBEE;
        color: #C62828;
        border-radius: 5px;
        margin-bottom: 20px;
        font-weight: bold;
    }

    /* 代码高亮 */
    .code-highlight {
        background: #E3F2FD;
        padding: 10px;
        border-left: 5px solid #2196F3;
        border-radius: 3px;
        margin-bottom: 20px;
    }