/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Poppins', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        color: #ffffff;
        line-height: 1.6;
        letter-spacing: 0.5px;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: 'Roboto Mono', monospace;
        color: #ff6ec7;
        text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    }

    p {
        margin: 20px 0;
        padding: 0 15px;
    }

    a {
        color: #00d2ff;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #ff6ec7;
    }

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

    /* 头部 */
    header {
        text-align: center;
        padding: 50px 0;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    header h1 {
        font-size: 3em;
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2em;
        color: #b3b3b3;
    }

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

    nav a {
        font-size: 1em;
        position: relative;
    }

    nav a::after {
        content: '';
        position: absolute;
        width: 0%;
        height: 2px;
        background: #00d2ff;
        left: 0;
        bottom: -5px;
        transition: width 0.3s;
    }

    nav a:hover::after {
        width: 100%;
    }

    /* 主内容 */
    main {
        padding: 40px 0;
    }

    .cards {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }

    .card {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.3);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 12px rgba(0,0,0,0.5);
    }

    .card img {
        width: 100%;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .card h3 {
        margin: 10px 0;
        font-size: 1.5em;
    }

    .card p {
        font-size: 1em;
        color: #cccccc;
    }

    .card .tags {
        margin-top: 10px;
    }

    .card .tags span {
        background: #00d2ff;
        padding: 5px 10px;
        border-radius: 20px;
        font-size: 0.8em;
        margin-right: 5px;
        color: #000;
    }

    /* 示例文章展示 */
    .example-article {
        background: rgba(255, 255, 255, 0.05);
        padding: 30px;
        border-radius: 15px;
        margin-top: 50px;
    }

    .example-article pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin: 20px 0;
    }

    .example-article code {
        font-family: 'Roboto Mono', monospace;
        color: #ff6ec7;
    }

    /* 提示 */
    .reference-note {
        text-align: center;
        font-size: 1.2em;
        margin: 40px 0;
        color: #ff6ec7;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.5em;
        }

        .card h3 {
            font-size: 1.3em;
        }
    }

    @media (max-width: 1200px) {
        .cards {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        nav {
            flex-direction: column;
            gap: 15px;
        }

        .example-article {
            padding: 20px;
        }
    }

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

        .cards {
            grid-template-columns: 1fr;
        }

        p {
            padding: 0 10px;
        }
    }

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

        .card {
            padding: 15px;
        }

        nav a {
            font-size: 0.9em;
        }
    }

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

        .card h3 {
            font-size: 1.1em;
        }

        .reference-note {
            font-size: 1em;
        }
    }