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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #4A90E2, #673AB7);
        color: #FFFFFF;
        line-height: 1.6;
        overflow-x: hidden;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 50px;
        z-index: 1000;
    }

    .navbar .logo {
        font-family: 'Poppins', sans-serif;
        font-size: 24px;
        font-weight: bold;
        color: #FFFFFF;
    }

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

    .navbar ul li {
        margin-left: 30px;
    }

    .navbar ul li a {
        text-decoration: none;
        color: #FFFFFF;
        font-size: 16px;
        transition: color 0.3s ease;
    }

    .navbar ul li a:hover {
        color: #FFD700;
    }

    /* 主内容区 */
    .container {
        max-width: 1200px;
        margin: 150px auto 50px;
        padding: 20px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .card {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 16px;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        width: 48%;
        margin-bottom: 30px;
        padding: 20px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: scale(1.02);
        box-shadow: 0 6px 40px rgba(0, 0, 0, 0.2);
    }

    .card img {
        width: 100%;
        border-radius: 12px;
        margin-bottom: 15px;
    }

    .card h3 {
        font-family: 'Poppins', sans-serif;
        font-size: 20px;
        margin-bottom: 10px;
        color: #FFC0CB;
    }

    .card p {
        font-size: 16px;
        color: #F5F5F5;
    }

    /* 按钮样式 */
    .button {
        display: inline-block;
        background-color: #FF807B;
        color: #FFFFFF;
        padding: 10px 20px;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        font-size: 16px;
        transition: transform 0.3s ease, background-color 0.3s ease;
        text-decoration: none;
    }

    .button:hover {
        transform: scale(1.05);
        background-color: #FFC0CB;
        box-shadow: 0 0 10px #39FF14;
    }

    /* 样例展示区 */
    .sample-display {
        width: 100%;
        background: rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(8px);
        border-radius: 16px;
        padding: 30px;
        margin-top: 50px;
    }

    .sample-display h2 {
        font-family: 'Poppins', sans-serif;
        font-size: 24px;
        margin-bottom: 20px;
        color: #FFD700;
    }

    .sample-display article {
        font-size: 16px;
        color: #FFFFFF;
    }

    .sample-display pre {
        background: rgba(0, 0, 0, 0.6);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin: 15px 0;
    }

    .sample-display code {
        color: #39FF14;
        font-family: 'Courier New', Courier, monospace;
        font-size: 14px;
    }

    /* 底部提示 */
    .footer {
        text-align: center;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        color: #FFFFFF;
        font-size: 14px;
        position: fixed;
        bottom: 0;
        width: 100%;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1100px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            max-width: 1000px;
        }
    }

    @media (max-width: 1024px) {
        .navbar {
            padding: 15px 30px;
        }

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

        .card {
            width: 100%;
        }
    }

    @media (max-width: 768px) {
        .navbar ul {
            display: none;
        }

        .navbar .menu-icon {
            display: block;
            cursor: pointer;
        }

        .container {
            margin-top: 130px;
        }
    }

    @media (max-width: 480px) {
        .navbar {
            padding: 10px 20px;
        }

        .navbar .logo {
            font-size: 20px;
        }

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

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

        .button {
            padding: 8px 16px;
            font-size: 14px;
        }

        .sample-display h2 {
            font-size: 20px;
        }
    }

    @media (max-width: 320px) {
        .navbar {
            padding: 8px 15px;
        }

        .navbar .logo {
            font-size: 18px;
        }

        .card h3 {
            font-size: 16px;
        }

        .card p {
            font-size: 12px;
        }

        .button {
            padding: 6px 12px;
            font-size: 12px;
        }

        .sample-display h2 {
            font-size: 18px;
        }
    }

    /* 动画效果 */
    .ripple-effect {
        position: relative;
        overflow: hidden;
    }

    .ripple-effect::after {
        content: "";
        position: absolute;
        width: 300px;
        height: 300px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(0);
        transition: transform 0.5s ease, opacity 1s ease;
        opacity: 0;
    }

    .ripple-effect:hover::after {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }