/* 全局样式设置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1a1a40, #3f007d);
        color: #d0d0d0;
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: #00ff99;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #ffd700;
    }

    /* 容器样式 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 0;
    }

    /* 标题样式 */
    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        color: #ffffff;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 48px;
        text-align: center;
        margin-top: 40px;
    }

    h2 {
        font-size: 36px;
        margin-top: 60px;
    }

    h3 {
        font-size: 28px;
        margin-top: 40px;
    }

    h4 {
        font-size: 24px;
        margin-top: 30px;
    }

    /* 段落样式 */
    p {
        font-size: 16px;
        color: #d0d0d0;
        margin-bottom: 20px;
    }

    /* 列表样式 */
    ul {
        list-style: disc inside;
        margin-bottom: 20px;
    }

    /* 代码块样式 */
    pre {
        background: #2e2e2e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #00ff99;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 40px;
    }

    th, td {
        border: 1px solid #444;
        padding: 10px;
        text-align: left;
    }

    th {
        background: #3f007d;
        color: #ffffff;
    }

    td {
        background: #2a2a4f;
        color: #d0d0d0;
    }

    /* 按钮样式 */
    .button {
        background-color: #00ff99;
        color: #000;
        padding: 10px 20px;
        border: none;
        cursor: pointer;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        border-radius: 5px;
    }

    .button:hover {
        transform: scale(1.1);
        box-shadow: 0 8px 16px rgba(0, 255, 153, 0.5);
    }

    /* 图片样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-bottom: 40px;
    }

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
    }

    /* 示例数据展示 */
    .sample-data {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin-top: 60px;
    }

    .sample-data h2 {
        color: #ffd700;
    }

    /* 通知条 */
    .notification {
        background: rgba(0, 255, 153, 0.2);
        color: #ffffff;
        text-align: center;
        padding: 15px 0;
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
        font-size: 18px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 42px;
        }

        h2 {
            font-size: 32px;
        }

        h3 {
            font-size: 24px;
        }

        h4 {
            font-size: 20px;
        }

        .button {
            padding: 8px 16px;
            font-size: 14px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            width: 95%;
        }
    }

    @media (max-width: 1024px) {
        h1 {
            font-size: 36px;
        }

        h2 {
            font-size: 28px;
        }

        .image-gallery {
            justify-content: center;
        }
    }

    @media (max-width: 768px) {
        h1 {
            font-size: 30px;
        }

        h2 {
            font-size: 24px;
        }

        h3 {
            font-size: 20px;
        }

        p, li {
            font-size: 14px;
        }

        table, th, td {
            font-size: 14px;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 24px;
        }

        h2 {
            font-size: 20px;
        }

        .image-gallery {
            flex-direction: column;
            align-items: center;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 20px;
        }

        h2 {
            font-size: 18px;
        }

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

    /* 动态粒子效果 */
    .particles {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        background: transparent;
    }