/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        background: linear-gradient(135deg, #000046, #4343ff);
        color: #ffffff;
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
    }
    a {
        color: #00ffff;
        text-decoration: none;
    }
    a[rel="nofollow"]::after {
        content: "";
    }
    header {
        padding: 20px;
        text-align: center;
        background: rgba(0, 0, 0, 0.5);
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
    }
    header h1 {
        margin: 0;
        font-size: 2em;
        letter-spacing: 2px;
    }
    main {
        padding: 100px 20px 20px 20px;
        max-width: 1200px;
        margin: 0 auto;
    }
    section {
        margin-bottom: 40px;
    }
    h2, h3 {
        color: #ff77ff;
    }
    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
    }
    code {
        font-family: 'Courier New', Courier, monospace;
    }
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 20px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        transition: transform 0.3s;
    }
    .card:hover {
        transform: scale(1.05);
    }
    img {
        width: 100%;
        border-radius: 8px;
    }
    button {
        background-color: #00f;
        color: #fff;
        border: none;
        padding: 10px 20px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition: transform 0.3s ease;
        border-radius: 5px;
    }
    button::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        opacity: 0;
        transition: all 0.5s ease;
    }
    button:hover::before {
        width: 200px;
        height: 200px;
        opacity: 1;
    }
    button:hover {
        transform: scale(1.1);
    }
    /* 示例数据展示 */
    .sample-data {
        background: rgba(0, 0, 0, 0.7);
        padding: 20px;
        border-radius: 10px;
    }
    .sample-data ul {
        list-style: none;
        padding: 0;
    }
    .sample-data li {
        margin-bottom: 10px;
        position: relative;
        padding-left: 20px;
    }
    .sample-data li::before {
        content: '•';
        position: absolute;
        left: 0;
        color: #00ffff;
    }
    /* 响应式设计 */
    @media (max-width: 768px) {
        header h1 {
            font-size: 1.5em;
        }
        .container {
            grid-template-columns: 1fr;
        }
    }
    @media (max-width: 480px) {
        button {
            width: 100%;
            padding: 15px;
        }
    }