/* 字体导入 */
    @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&family=Quicksand:wght@400;700&display=swap');

    /* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        background: linear-gradient(135deg, #6a11cb, #2575fc);
        font-family: 'Quicksand', sans-serif;
        color: #ffffff;
        overflow-x: hidden;
        position: relative;
    }

    /* 背景粒子效果 */
    .particles {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('https://images.gptkong.com/demo/sample1.png') repeat;
        opacity: 0.2;
        pointer-events: none;
        z-index: 1;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.5);
        padding: 20px 50px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 2;
    }

    .navbar .logo {
        font-family: 'Montserrat', sans-serif;
        font-size: 1.5rem;
        color: #ffffff;
    }

    .navbar ul {
        list-style: none;
        display: flex;
    }

    .navbar ul li {
        margin-left: 20px;
    }

    .navbar ul li a {
        text-decoration: none;
        color: #ffffff;
        font-weight: 500;
        transition: color 0.3s;
    }

    .navbar ul li a:hover {
        color: #ff9800;
    }

    /* 侧边抽屉菜单 */
    .drawer {
        display: none;
    }

    /* 主内容区 */
    .main {
        padding: 100px 50px;
        z-index: 2;
        position: relative;
    }

    .section-title {
        font-family: 'Montserrat', sans-serif;
        font-size: 2.5rem;
        margin-bottom: 20px;
        color: #ff9800;
        text-align: center;
    }

    .cards {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

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

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

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

    .card h3 {
        font-family: 'Montserrat', sans-serif;
        font-size: 1.5rem;
        margin-bottom: 10px;
        color: #ffffff;
    }

    .card p {
        font-size: 1rem;
        line-height: 1.6;
        color: #f0f0f0;
    }

    /* 示例数据展示 */
    .example-section {
        margin-top: 50px;
    }

    .example-section h2 {
        font-family: 'Montserrat', sans-serif;
        font-size: 2rem;
        margin-bottom: 20px;
        color: #ff9800;
        text-align: center;
    }

    .example-section article {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .example-section pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin: 10px 0;
    }

    .example-section code {
        color: #ff9800;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 提示文字 */
    .reference-note {
        margin-top: 30px;
        text-align: center;
        font-size: 1rem;
        color: #cccccc;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        .navbar {
            padding: 15px 30px;
        }

        .section-title {
            font-size: 2rem;
        }

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

        .card p {
            font-size: 0.9rem;
        }

        .main {
            padding: 80px 20px;
        }

        .example-section h2 {
            font-size: 1.8rem;
        }
    }

    @media (max-width: 480px) {
        .navbar ul {
            display: none;
        }

        .drawer {
            display: block;
            cursor: pointer;
            color: #ffffff;
            font-size: 1.5rem;
        }

        .section-title {
            font-size: 1.8rem;
        }

        .card h3 {
            font-size: 1.2rem;
        }

        .card p {
            font-size: 0.85rem;
        }

        .example-section h2 {
            font-size: 1.5rem;
        }
    }

    @media (max-width: 320px) {
        .main {
            padding: 70px 10px;
        }

        .section-title {
            font-size: 1.5rem;
        }

        .card h3 {
            font-size: 1rem;
        }

        .card p {
            font-size: 0.8rem;
        }

        .example-section h2 {
            font-size: 1.2rem;
        }
    }

    /* 按钮样式 */
    .button {
        position: relative;
        display: inline-block;
        padding: 10px 20px;
        margin-top: 10px;
        background: #ff9800;
        color: #ffffff;
        border: none;
        border-radius: 50px;
        cursor: pointer;
        overflow: hidden;
        transition: background 0.3s;
    }

    .button::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: width 0.5s ease, height 0.5s ease;
    }

    .button:hover {
        background: #e68900;
    }

    .button:hover::after {
        width: 200%;
        height: 200%;
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin: 10px 0;
    }

    code {
        color: #ff9800;
        font-family: 'Courier New', Courier, monospace;
    }