/* 基本样式 */
    body {
        margin: 0;
        font-family: 'Roboto', 'Montserrat', sans-serif;
        background: linear-gradient(135deg, #000428, #004e92, #6a11cb);
        background-size: 400% 400%;
        animation: gradientAnimation 15s ease infinite;
        color: #ffffff;
        line-height: 1.6;
    }

    @keyframes gradientAnimation {
        0% {background-position: 0% 50%;}
        50% {background-position: 100% 50%;}
        100% {background-position: 0% 50%;}
    }

    /* 容器 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 头部 */
    header {
        text-align: center;
        padding: 50px 20px;
    }

    header h1 {
        font-size: 48px;
        margin-bottom: 20px;
        background: linear-gradient(90deg, #ff7e5f, #feb47b);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    header p {
        font-size: 18px;
        color: #f0f0f0;
    }

    /* 导航 */
    nav {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin: 20px 0;
    }

    nav a {
        color: #ffffff;
        text-decoration: none;
        font-size: 16px;
        transition: color 0.3s ease;
    }

    nav a:hover {
        color: #feb47b;
    }

    /* 主要内容 */
    main {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

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

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.4);
    }

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

    .card h3 {
        margin-top: 15px;
        font-size: 24px;
        background: linear-gradient(90deg, #ff7e5f, #feb47b);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .card p {
        font-size: 16px;
        margin-top: 10px;
    }

    /* 示例文章 */
    .example-article {
        background: rgba(255, 255, 255, 0.2);
        padding: 30px;
        border-radius: 10px;
        margin: 40px 0;
    }

    .example-article h2 {
        font-size: 32px;
        margin-bottom: 20px;
        text-align: center;
        color: #ff7e5f;
    }

    .example-article h3 {
        font-size: 24px;
        margin-top: 20px;
        color: #feb47b;
    }

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

    .example-article code {
        color: #c5c5c5;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 示范数据 */
    .data-section {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
    }

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

    .data-section li {
        background: rgba(255, 255, 255, 0.2);
        margin: 10px 0;
        padding: 15px;
        border-radius: 5px;
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .data-section img {
        width: 50px;
        height: 50px;
        border-radius: 5px;
    }

    /* 按钮 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #6a11cb;
        color: #ffffff;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s ease, background 0.3s ease;
        text-decoration: none;
        font-size: 16px;
    }

    .btn:hover {
        transform: scale(1.05);
        background: #4c0b9b;
    }

    /* 底部 */
    footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.3);
        position: relative;
        bottom: 0;
        width: 100%;
    }

    footer p {
        margin: 0;
        font-size: 14px;
        color: #f0f0f0;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        header h1 {
            font-size: 36px;
        }

        nav {
            flex-direction: column;
            gap: 15px;
        }

        .card h3 {
            font-size: 20px;
        }

        .example-article h2 {
            font-size: 28px;
        }

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

        .data-section img {
            width: 100%;
            height: auto;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 28px;
        }

        .btn {
            width: 100%;
            text-align: center;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 24px;
        }

        .card h3 {
            font-size: 18px;
        }
    }