/* 全局样式 */
    body {
        margin: 0;
        font-family: 'Lato', sans-serif;
        background: linear-gradient(135deg, #2196F3, #4CAF50, #9C27B0);
        color: #333;
        line-height: 1.6;
    }
    h1, h2, h3, h4 {
        font-family: 'Roboto', sans-serif;
        color: #fff;
    }
    h1 {
        text-align: center;
        padding: 20px 0;
        background: rgba(0, 0, 0, 0.3);
    }
    .container {
        width: 90%;
        max-width: 1200px;
        margin: auto;
        padding: 20px;
        background: rgba(255, 255, 255, 0.8);
        border-radius: 10px;
        box-shadow: 0 0 10px rgba(0,0,0,0.1);
    }
    article {
        margin-bottom: 40px;
    }
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }
    table, th, td {
        border: 1px solid #ddd;
    }
    th, td {
        padding: 12px;
        text-align: left;
    }
    pre {
        background: #f4f4f4;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
    }
    code {
        font-family: 'Courier New', Courier, monospace;
    }
    ul {
        list-style-type: disc;
        padding-left: 20px;
    }
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        margin: 20px 0;
    }
    .images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 5px;
    }
    .sample-data {
        background: #e0f7fa;
        padding: 20px;
        border-radius: 10px;
    }
    a {
        color: #2196F3;
        text-decoration: none;
    }
    a:hover {
        text-decoration: underline;
    }
    /* 按钮样式 */
    .button {
        display: inline-block;
        padding: 10px 20px;
        background: #4CAF50;
        color: #fff;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
    }
    .button::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background-color: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: width 0.3s ease, height 0.3s ease;
    }
    .button:hover::after {
        width: 200%;
        height: 200%;
    }
    /* 响应式设计 */
    @media (max-width: 768px) {
        .images img {
            width: 80px;
            height: 80px;
        }
        h1 {
            font-size: 1.8rem;
        }
    }
    @media (max-width: 480px) {
        .images img {
            width: 60px;
            height: 60px;
        }
        h1 {
            font-size: 1.5rem;
        }
    }