/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #000066, #660099);
        color: #ffffff;
        overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: 'Montserrat', 'Poppins', sans-serif;
        margin: 20px 0;
        color: #ffcc00;
    }

    p {
        line-height: 1.6;
        margin-bottom: 20px;
    }

    a {
        color: #00ff99;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 头部样式 */
    .header {
        padding: 40px 20px;
        text-align: center;
        background: rgba(0, 0, 0, 0.5);
        position: relative;
        z-index: 2;
    }

    .header h1 {
        font-size: 48px;
        transition: transform 0.3s ease;
    }

    .header h1:hover {
        transform: scale(1.05);
    }

    /* 导航栏样式 */
    .navbar {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin-top: 20px;
    }

    .navbar a {
        font-size: 18px;
        transition: color 0.3s ease;
    }

    .navbar a:hover {
        color: #ffcc00;
    }

    /* 主内容区样式 */
    .main {
        padding: 60px 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 40px;
        justify-content: center;
    }

    .article, .sample-data {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 15px;
        max-width: 800px;
        width: 100%;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    }

    .article h2 {
        font-size: 36px;
        color: #00ff99;
    }

    .article pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
    }

    .article code {
        font-family: 'Courier New', Courier, monospace;
        color: #ffcc00;
    }

    .sample-data h2 {
        font-size: 32px;
        color: #ff6666;
    }

    .sample-data ul {
        list-style: none;
        padding: 0;
    }

    .sample-data li {
        background: rgba(255, 255, 255, 0.2);
        margin-bottom: 10px;
        padding: 15px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .sample-data img {
        width: 80px;
        height: 80px;
        border-radius: 10px;
        object-fit: cover;
    }

    /* 底部样式 */
    .footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.5);
        position: relative;
        z-index: 2;
    }

    /* 3D 粒子背景 */
    .particles {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('https://images.gptkong.com/demo/sample12.png') repeat;
        opacity: 0.1;
        z-index: 1;
    }

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

        .article h2, .sample-data h2 {
            font-size: 30px;
        }
    }

    @media (max-width: 1200px) {
        .header h1 {
            font-size: 36px;
        }

        .navbar a {
            font-size: 16px;
        }
    }

    @media (max-width: 1024px) {
        .main {
            padding: 40px 10px;
        }

        .article, .sample-data {
            padding: 25px;
        }
    }

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

        .navbar {
            flex-direction: column;
            gap: 15px;
        }

        .navbar a {
            font-size: 16px;
        }

        .sample-data img {
            width: 60px;
            height: 60px;
        }
    }

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

        .article h2, .sample-data h2 {
            font-size: 24px;
        }

        .sample-data li {
            flex-direction: column;
            align-items: flex-start;
        }

        .sample-data img {
            width: 50px;
            height: 50px;
        }
    }

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

        .article h2, .sample-data h2 {
            font-size: 20px;
        }

        .navbar a {
            font-size: 14px;
        }

        .sample-data img {
            width: 40px;
            height: 40px;
        }
    }

    /* 动画效果 */
    .button {
        background: linear-gradient(135deg, #00ff99, #ffcc00);
        border: none;
        padding: 15px 30px;
        border-radius: 30px;
        color: #000000;
        font-size: 16px;
        cursor: pointer;
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .button:hover {
        transform: scale(1.1);
        background: linear-gradient(135deg, #ffcc00, #00ff99);
    }