/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Montserrat', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        color: #ffffff;
        line-height: 1.6;
    }

    h1, h2, h3, h4 {
        font-family: 'Futura', sans-serif;
        font-weight: bold;
        color: #39ff14;
        text-shadow: 0 0 5px #39ff14;
    }

    p {
        margin: 20px 0;
        padding: 0 10px;
    }

    a {
        color: #1cb5e0;
        text-decoration: none;
        transition: color 0.3s;
    }

    a:hover {
        color: #39ff14;
    }

    /* 容器与布局 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 20px;
    }

    .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

    .module {
        background: rgba(44, 62, 84, 0.8);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 0 10px rgba(0,0,0,0.5);
    }

    /* 图片样式 */
    img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }

    /* 代码块样式 */
    pre {
        background: #2c3e50;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #ecf0f1;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    th, td {
        border: 1px solid #34495e;
        padding: 10px;
        text-align: left;
    }

    th {
        background: #1cb5e0;
        color: #ffffff;
    }

    /* 侧边栏导航 */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        height: 100%;
        background: rgba(44, 62, 84, 0.9);
        padding: 20px;
        box-shadow: 2px 0 5px rgba(0,0,0,0.5);
        transition: transform 0.3s;
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar a {
        display: block;
        margin: 15px 0;
        color: #ecf0f1;
    }

    .toggle-btn {
        position: fixed;
        top: 20px;
        left: 20px;
        background: #39ff14;
        color: #000;
        padding: 10px 15px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        z-index: 1000;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            padding: 30px 15px;
        }
    }

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

    @media (max-width: 1024px) {
        .grid {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
    }

    @media (max-width: 768px) {
        .container {
            padding: 20px 10px;
        }
        .sidebar {
            width: 180px;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 24px;
        }
        h2 {
            font-size: 20px;
        }
        h3 {
            font-size: 18px;
        }
    }

    @media (max-width: 320px) {
        .toggle-btn {
            padding: 8px 12px;
            font-size: 14px;
        }
    }

    /* 动画效果 */
    .button {
        background-color: #3498db;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        transition: all 0.3s ease;
        cursor: pointer;
    }

    .button:hover {
        background-color: #2980b9;
        transform: scale(1.1);
    }

    /* 提示信息 */
    .reference {
        text-align: center;
        margin-top: 40px;
        font-size: 18px;
        color: #ecf0f1;
    }