/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        color: #ffffff;
        overflow-x: hidden;
    }
    
    /* 头部样式 */
    header {
        position: fixed;
        width: 100%;
        top: 0;
        left: 0;
        background: rgba(0, 0, 0, 0.7);
        padding: 20px 40px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
    }

    header h1 {
        font-family: 'Orbitron', sans-serif;
        font-size: 24px;
        color: #ffcc00;
    }

    nav a {
        color: #ffffff;
        text-decoration: none;
        margin: 0 15px;
        transition: color 0.3s ease;
    }

    nav a:hover {
        color: #ff6600;
    }

    /* 主内容样式 */
    .container {
        padding: 100px 20px 40px 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .hero {
        text-align: center;
        padding: 60px 20px;
        background: linear-gradient(135deg, #6a11cb, #2575fc);
        border-radius: 15px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        margin-bottom: 40px;
    }

    .hero h2 {
        font-family: 'Orbitron', sans-serif;
        font-size: 36px;
        margin-bottom: 20px;
        color: #ffffff;
    }

    .hero p {
        font-size: 18px;
        line-height: 1.6;
    }

    /* 图片展示 */
    .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }

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

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

    /* 示例数据展示 */
    .sample-data {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 40px;
    }

    .sample-data h3 {
        font-family: 'Orbitron', sans-serif;
        color: #ffcc00;
        margin-bottom: 15px;
    }

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

    .sample-data li {
        margin-bottom: 10px;
        font-size: 16px;
    }

    /* 示例文章展示 */
    .sample-article {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 40px;
    }

    .sample-article h2, .sample-article h3, .sample-article h4 {
        color: #ffcc00;
    }

    .sample-article pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

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

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

        nav {
            margin-top: 10px;
        }

        .hero h2 {
            font-size: 28px;
        }

        .hero p {
            font-size: 16px;
        }
    }

    @media (max-width: 480px) {
        .hero h2 {
            font-size: 24px;
        }

        .hero p {
            font-size: 14px;
        }
    }

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

    .fade-in-up {
        animation: fadeInUp 1s ease-out forwards;
    }

    /* 按钮样式 */
    .btn {
        background-color: #6a11cb;
        color: #ffffff;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s ease, background-color 0.3s ease;
    }

    .btn:hover {
        transform: scale(1.1);
        background-color: #8e44ad;
    }