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

    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        font-weight: bold;
        color: #ffffff;
        margin-top: 1.5em;
        margin-bottom: 0.5em;
    }

    p {
        margin-bottom: 1em;
    }

    a {
        color: #7f00ff;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #00ffea;
    }

    /* 布局 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        display: flex;
        flex-direction: column;
    }

    /* 侧边栏导航 */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        height: 100%;
        background-color: rgba(34, 34, 34, 0.9);
        padding: 20px;
        box-sizing: border-box;
        transition: transform 0.3s ease;
    }

    .sidebar.hidden {
        transform: translateX(-100%);
    }

    .sidebar ul {
        list-style: none;
        padding: 0;
    }

    .sidebar li {
        margin-bottom: 15px;
    }

    .sidebar a {
        color: #ffffff;
        font-size: 1.1em;
    }

    /* 主内容区域 */
    .main-content {
        margin-left: 270px;
        padding: 20px;
        background: rgba(0, 0, 0, 0.6);
        border-radius: 10px;
    }

    /* 文章样式 */
    article {
        max-width: 800px;
        margin: 0 auto;
    }

    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        color: #00ffea;
        font-family: 'Courier New', Courier, monospace;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table, th, td {
        border: 1px solid #555555;
    }

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

    th {
        background-color: #333333;
    }

    /* 按钮样式 */
    button {
        background: linear-gradient(45deg, #7f00ff, #00ffea);
        border: none;
        padding: 10px 20px;
        color: #ffffff;
        cursor: pointer;
        border-radius: 5px;
        transition: transform 0.3s ease, background 0.3s ease;
    }

    button:hover {
        transform: scale(1.05);
        background: linear-gradient(45deg, #00ffea, #7f00ff);
    }

    /* 图片样式 */
    img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        margin: 10px 0;
    }

    /* 提示样式 */
    .reference {
        text-align: center;
        font-size: 1.2em;
        margin: 20px 0;
        color: #00ffea;
    }

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

        .main-content {
            margin-left: 240px;
        }
    }

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

        .main-content {
            margin-left: 220px;
        }
    }

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

        .main-content {
            margin-left: 200px;
        }
    }

    @media (max-width: 768px) {
        .sidebar {
            transform: translateX(-100%);
        }

        .main-content {
            margin-left: 0;
        }

        .container {
            padding: 10px;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 1.8em;
        }

        h2 {
            font-size: 1.6em;
        }

        h3 {
            font-size: 1.4em;
        }

        .sidebar {
            width: 160px;
        }

        button {
            padding: 8px 16px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.6em;
        }

        h2 {
            font-size: 1.4em;
        }

        h3 {
            font-size: 1.2em;
        }

        button {
            padding: 6px 12px;
            font-size: 0.9em;
        }
    }

    /* 动画效果 */
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .animated {
        animation: fadeIn 2s ease-in-out;
    }

    /* 粒子效果 */
    .particle {
        position: absolute;
        width: 5px;
        height: 5px;
        background-color: #00ffea;
        border-radius: 50%;
        animation: particles 5s infinite;
    }

    @keyframes particles {
        0% { transform: translateY(-100px); opacity: 0; }
        50% { opacity: 1; }
        100% { transform: translateY(100vh); opacity: 0; }
    }