/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        font-family: 'Source Han Sans', sans-serif;
        background: linear-gradient(135deg, #0D1117, #1E2124);
        color: #FFFFFF;
        line-height: 1.6;
        padding: 20px;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        height: 100vh;
        background: linear-gradient(180deg, #1E2124, #0D1117);
        padding: 20px;
        overflow-y: auto;
    }

    .navbar a {
        display: block;
        color: #FFFFFF;
        text-decoration: none;
        margin: 15px 0;
        font-size: 18px;
        transition: color 0.3s ease;
    }

    .navbar a:hover {
        color: #34C759;
    }

    /* 主内容区域 */
    .main-content {
        margin-left: 270px;
        padding: 20px;
        background: linear-gradient(135deg, #1E2124, #0D1117);
    }

    h1, h2, h3, h4 {
        font-family: 'Futura', sans-serif;
        color: #FFFFFF;
        margin-bottom: 15px;
    }

    h2 {
        font-size: 28px;
    }

    h3 {
        font-size: 24px;
    }

    h4 {
        font-size: 20px;
    }

    p {
        margin-bottom: 15px;
        font-size: 16px;
    }

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

    table, th, td {
        border: 1px solid #34C759;
    }

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

    th {
        background-color: #34C759;
        color: #000000;
    }

    /* 代码块样式 */
    pre {
        background-color: #1E2124;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        color: #34C759;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 按钮样式 */
    .button {
        background-color: #34C759;
        color: #FFFFFF;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        font-size: 16px;
        margin-bottom: 20px;
    }

    .button:hover {
        background-color: #28A745;
        transform: scale(1.05);
    }

    /* 卡片样式 */
    .card {
        background-color: #1E2124;
        box-shadow: 0 4px 6px rgba(52, 199, 89, 0.3);
        border-radius: 10px;
        padding: 20px;
        margin-bottom: 20px;
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
    }

    /* 图标样式 */
    .icon-circle {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background-color: #34C759;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 15px;
    }

    .icon-circle::before {
        content: '';
        width: 20px;
        height: 20px;
        background-color: #FFFFFF;
        border-radius: 50%;
    }

    /* 图片样式 */
    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
        margin-bottom: 20px;
    }

    .image-grid img {
        width: 100%;
        border-radius: 8px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .navbar {
            width: 220px;
        }
        
        .main-content {
            margin-left: 240px;
        }
    }

    @media (max-width: 1200px) {
        .navbar {
            width: 200px;
        }
        
        .main-content {
            margin-left: 220px;
        }
    }

    @media (max-width: 1024px) {
        .navbar {
            width: 180px;
        }
        
        .main-content {
            margin-left: 200px;
        }
    }

    @media (max-width: 768px) {
        .navbar {
            position: relative;
            width: 100%;
            height: auto;
            display: flex;
            flex-wrap: wrap;
        }
        
        .main-content {
            margin-left: 0;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 24px;
        }
        
        h2 {
            font-size: 22px;
        }
        
        h3 {
            font-size: 20px;
        }
        
        p, table, pre, .button {
            font-size: 14px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 20px;
        }
        
        h2 {
            font-size: 18px;
        }
        
        h3 {
            font-size: 16px;
        }
        
        p, table, pre, .button {
            font-size: 12px;
        }
    }

    /* 微动画 */
    .button {
        position: relative;
        overflow: hidden;
    }

    .button::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: -100%;
        background: rgba(255, 255, 255, 0.2);
        transition: all 0.5s;
    }

    .button:hover::after {
        left: 0;
    }

    /* 提示文本 */
    .reference-note {
        font-size: 14px;
        color: #34C759;
        margin-top: 20px;
        text-align: center;
    }