@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700&family=Roboto:wght@400;700&display=swap');

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0A1F44, #6C5CE7);
        color: #FFFFFF;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3 {
        font-family: 'Orbitron', sans-serif;
        margin-bottom: 20px;
    }

    .header {
        height: 100vh;
        background: url('https://images.gptkong.com/demo/sample1.png') center center/cover no-repeat;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        text-align: center;
    }

    .header::after {
        content: '这是一个网页样式设计参考';
        position: absolute;
        bottom: 20px;
        width: 100%;
        text-align: center;
        font-size: 1rem;
        color: #FFD700;
    }

    .content {
        padding: 40px 20px;
        background: rgba(10, 31, 68, 0.8);
        border-radius: 10px;
        margin-top: -50px;
        z-index: 1;
    }

    .cards {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin-top: 20px;
    }

    .card {
        background: linear-gradient(135deg, #6C5CE7, #FF79C6);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.3);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 12px 24px rgba(0,0,0,0.4);
    }

    .card img {
        width: 100%;
        height: auto;
        border-radius: 5px;
        margin-bottom: 15px;
    }

    .card h3 {
        margin-bottom: 10px;
        color: #FFD700;
    }

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

    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin: 20px 0;
        font-family: 'Roboto', sans-serif;
        font-size: 0.85rem;
    }

    code {
        color: #00FFFF;
    }

    .button {
        background-color: #6C5CE7;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-decoration: none;
    }

    .button:hover {
        transform: scale(1.1);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    }

    .button:active {
        transform: scale(0.9);
    }

    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: rgba(10, 31, 68, 0.9);
        backdrop-filter: blur(10px);
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 20px;
    }

    .nav-links {
        list-style: none;
        display: flex;
        gap: 20px;
    }

    .nav-links a {
        color: white;
        text-decoration: none;
        font-weight: bold;
    }

    .nav-links a[rel="nofollow"]::after {
        content: '';
    }

    .parallax {
        height: 100vh;
        overflow-x: hidden;
        overflow-y: auto;
        perspective: 1px;
        transform-style: preserve-3d;
    }

    .parallax__layer {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        transform-origin: center center;
    }

    .layer--back {
        transform: translateZ(-1px) scale(2);
    }

    .layer--front {
        transform: translateZ(0);
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }
        .header {
            height: 70vh;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 2rem;
        }
        .card {
            padding: 15px;
        }
    }

    @media (max-width: 768px) {
        .cards {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        .navbar {
            padding: 8px 16px;
        }
        .nav-links {
            gap: 15px;
        }
    }

    @media (max-width: 1200px) {
        .content {
            padding: 30px 15px;
        }
    }

    @media (min-width: 1440px) {
        .header {
            height: 100vh;
        }
        h1 {
            font-size: 3rem;
        }
    }