/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Inter', sans-serif;
        background: linear-gradient(135deg, #a1c4fd, #c2e9fb);
        color: #333;
        line-height: 1.6;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.3);
        backdrop-filter: blur(10px);
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        padding: 15px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        transition: background 0.3s ease;
    }

    .navbar:hover {
        background: rgba(255, 255, 255, 0.5);
    }

    .navbar a {
        text-decoration: none;
        color: #333;
        margin-left: 20px;
        font-weight: bold;
        transition: color 0.3s ease;
    }

    .navbar a:hover {
        color: #ff8a65;
    }

    /* 主容器 */
    .container {
        max-width: 1200px;
        margin: 100px auto 50px;
        padding: 20px;
    }

    /* 标题样式 */
    h1, h2, h3, h4 {
        font-family: 'Bebas Neue', cursive;
        color: #ff8a65;
    }

    h1 {
        font-size: 48px;
        text-align: center;
        margin-bottom: 20px;
    }

    h2 {
        font-size: 36px;
        margin-top: 40px;
        margin-bottom: 15px;
    }

    h3 {
        font-size: 28px;
        margin-top: 30px;
        margin-bottom: 10px;
    }

    /* 文章内容 */
    p {
        font-size: 18px;
        margin-bottom: 15px;
    }

    pre {
        background: rgba(255, 255, 255, 0.8);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #d32f2f;
    }

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

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

    th, td {
        padding: 12px;
        text-align: left;
    }

    th {
        background-color: #ffccbc;
    }

    /* 图片样式 */
    .image-gallery {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
        margin-bottom: 30px;
    }

    .image-gallery img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        transition: transform 0.3s ease;
    }

    .image-gallery img:hover {
        transform: scale(1.05);
    }

    /* 代码示例高亮 */
    .code-block {
        background: #f5f5f5;
        padding: 20px;
        border-radius: 8px;
        overflow-x: auto;
        box-shadow: inset 0 0 10px rgba(0,0,0,0.05);
        margin-bottom: 20px;
    }

    /* 表单按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #4caf50;
        color: #fff;
        border: none;
        border-radius: 5px;
        text-decoration: none;
        font-size: 16px;
        cursor: pointer;
        transition: background 0.3s ease;
    }

    .btn:hover {
        background: #45a049;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        .navbar {
            flex-direction: column;
            align-items: flex-start;
        }

        .navbar a {
            margin: 10px 0;
        }

        h1 {
            font-size: 36px;
        }

        h2 {
            font-size: 28px;
        }

        h3 {
            font-size: 24px;
        }

        p {
            font-size: 16px;
        }
    }

    @media (max-width: 480px) {
        .container {
            padding: 10px;
        }

        h1 {
            font-size: 28px;
        }

        h2 {
            font-size: 24px;
        }

        h3 {
            font-size: 20px;
        }

        p {
            font-size: 14px;
        }
    }

    /* 动画效果 */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .animated {
        animation: fadeInUp 1s ease-out;
    }

    /* 按钮动画 */
    .btn-animate {
        position: relative;
        overflow: hidden;
    }

    .btn-animate::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: -100%;
        background: rgba(255, 255, 255, 0.3);
        transition: all 0.3s ease;
    }

    .btn-animate:hover::after {
        left: 0;
    }