/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0A1A2F, #8A2BE2);
        color: #ffffff;
    }

    /* 头部样式 */
    header {
        background: rgba(10, 26, 47, 0.8);
        padding: 20px;
        text-align: center;
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
    }

    header h1 {
        margin: 0;
        font-size: 2.5em;
        color: #39FF14;
    }

    /* 主内容区域 */
    main {
        padding: 100px 20px 20px 20px;
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }

    /* 卡片样式 */
    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        padding: 20px;
        flex: 1 1 calc(33.333% - 40px);
        min-width: 300px;
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
        background: rgba(138, 43, 226, 0.2);
    }

    /* 标题样式 */
    h2, h3 {
        color: #39FF14;
    }

    /* 文章样式 */
    article {
        background: rgba(10, 26, 47, 0.9);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        width: 100%;
    }

    article h2 {
        font-size: 2em;
        margin-bottom: 10px;
    }

    article h3 {
        font-size: 1.5em;
        margin-bottom: 8px;
    }

    article p, article ul {
        font-size: 1em;
        line-height: 1.6;
    }

    article pre {
        background: #1e1e1e;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
    }

    article code {
        color: #39FF14;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 图片样式 */
    img {
        max-width: 100%;
        height: auto;
        border-radius: 5px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .card {
            flex: 1 1 calc(50% - 40px);
        }
    }

    @media (max-width: 1024px) {
        main {
            padding: 100px 10px 10px 10px;
        }

        .card {
            flex: 1 1 100%;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        .card {
            padding: 15px;
        }

        article h2 {
            font-size: 1.5em;
        }

        article h3 {
            font-size: 1.2em;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5em;
        }

        .card {
            flex: 1 1 100%;
            padding: 10px;
        }

        article {
            padding: 15px;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.2em;
        }

        .card {
            padding: 8px;
        }

        article h2 {
            font-size: 1.2em;
        }

        article h3 {
            font-size: 1em;
        }
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    .animated-background {
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    /* 页面提示 */
    .reference-note {
        text-align: center;
        font-size: 1em;
        margin-top: 20px;
        color: #ffffff;
    }