/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        background: linear-gradient(135deg, #000046, #1cb5e0);
        font-family: 'Roboto', sans-serif;
        color: #ffffff;
        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-around;
        align-items: center;
        padding: 15px 0;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }

    .navbar a {
        color: #ffffff;
        text-decoration: none;
        font-size: 18px;
        position: relative;
        transition: color 0.3s ease;
        rel: nofollow;
    }

    .navbar a::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        background: #ffcc00;
        transition: width 0.3s;
    }

    .navbar a:hover::after {
        width: 100%;
    }

    /* 主内容区 */
    .hero {
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        overflow: hidden;
    }

    .quantum-model {
        width: 300px;
        height: 300px;
        background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center;
        background-size: cover;
        animation: rotate 20s linear infinite;
    }

    @keyframes rotate {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }

    .particle-effect {
        position: absolute;
        width: 100%;
        height: 100%;
        background: url('https://images.gptkong.com/demo/sample2.png') repeat;
        opacity: 0.3;
        animation: moveParticles 60s linear infinite;
    }

    @keyframes moveParticles {
        from { background-position: 0 0; }
        to { background-position: 1000px 1000px; }
    }

    /* 模块化卡片 */
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        padding: 100px 50px 50px 50px;
    }

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

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    }

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

    .card h3 {
        font-family: 'Orbitron', sans-serif;
        margin-top: 15px;
        margin-bottom: 10px;
    }

    .card p {
        line-height: 1.6;
    }

    /* 示例数据展示 */
    .sample-article {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        padding: 30px;
        margin: 50px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .sample-article h2, .sample-article h3 {
        font-family: 'Orbitron', sans-serif;
        color: #ffcc00;
    }

    .sample-article pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
    }

    .sample-article code {
        color: #00ffcc;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 按钮样式 */
    .button {
        background: linear-gradient(145deg, #ffffff, #dcdcdc);
        border: none;
        border-radius: 10px;
        box-shadow: 3px 3px 5px rgba(0, 0, 0, 0.2), -3px -3px 5px rgba(255, 255, 255, 0.8);
        cursor: pointer;
        padding: 15px 30px;
        font-size: 16px;
        transition: all 0.3s ease;
        font-family: 'Roboto', sans-serif;
    }

    .button:active {
        background: linear-gradient(145deg, #dcdcdc, #ffffff);
        box-shadow: inset 3px 3px 5px rgba(0, 0, 0, 0.2), inset -3px -3px 5px rgba(255, 255, 255, 0.8);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            padding: 80px 40px 40px 40px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 70px 30px 30px 30px;
        }
    }

    @media (max-width: 1024px) {
        .navbar a {
            font-size: 16px;
        }

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

    @media (max-width: 768px) {
        body {
            font-size: 14px;
        }

        .navbar {
            flex-direction: column;
        }

        .navbar a {
            margin: 10px 0;
        }

        .container {
            padding: 60px 20px 20px 20px;
        }

        .card {
            margin-bottom: 20px;
        }
    }

    @media (max-width: 480px) {
        .quantum-model {
            width: 200px;
            height: 200px;
        }

        .button {
            padding: 10px 20px;
            font-size: 14px;
        }
    }

    @media (max-width: 320px) {
        .quantum-model {
            width: 150px;
            height: 150px;
        }

        .navbar a {
            font-size: 14px;
        }

        .sample-article {
            margin: 20px;
            padding: 20px;
        }
    }