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

    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, rgba(0, 0, 51, 1) 0%, rgba(51, 0, 102, 1) 100%);
        color: #ffffff;
        overflow-x: hidden;
    }

    header {
        width: 100%;
        height: 100vh;
        background: url('https://images.gptkong.com/demo/sample1.png') center center / cover no-repeat;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        text-align: center;
        animation: aurora-move 15s linear infinite;
    }

    header h1 {
        font-size: 3em;
        color: #ffffff;
        text-shadow: 2px 2px 10px rgba(255, 255, 255, 0.5);
        margin-bottom: 20px;
    }

    header p {
        font-size: 1.2em;
        color: #ccccff;
        max-width: 600px;
    }

    section {
        padding: 60px 20px;
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        background: linear-gradient(135deg, rgba(0, 0, 51, 0.8), rgba(51, 0, 102, 0.8));
    }

    section:nth-child(even) {
        background: linear-gradient(135deg, rgba(51, 0, 102, 0.8), rgba(0, 0, 51, 0.8));
    }

    section h2 {
        font-size: 2.5em;
        margin-bottom: 20px;
        color: #ffffff;
    }

    section p {
        font-size: 1.1em;
        line-height: 1.6;
        max-width: 800px;
        text-align: center;
        margin-bottom: 30px;
    }

    .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
        width: 90%;
        max-width: 1200px;
    }

    .gallery img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .gallery img:hover {
        transform: scale(1.05);
        box-shadow: 0 0 15px rgba(255, 255, 255, 0.7);
    }

    article {
        background: rgba(0, 0, 0, 0.7);
        padding: 40px;
        border-radius: 10px;
        max-width: 1000px;
        margin: 40px auto;
    }

    article h2 {
        font-size: 2em;
        margin-bottom: 20px;
        color: #ff5722;
    }

    article h3, article h4 {
        font-size: 1.5em;
        margin-top: 30px;
        color: #ffcc00;
    }

    article p {
        font-size: 1em;
        line-height: 1.8;
        margin-top: 15px;
    }

    article pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-top: 10px;
    }

    article code {
        color: #00e676;
        font-family: 'Courier New', Courier, monospace;
    }

    nav {
        position: fixed;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        background: rgba(255, 255, 255, 0.1);
        padding: 10px;
        border-radius: 10px;
    }

    nav a {
        display: block;
        margin: 10px 0;
        color: #ffffff;
        text-decoration: none;
        font-size: 1.2em;
        transition: color 0.3s;
    }

    nav a:hover {
        color: #ff5722;
    }

    footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 51, 0.9);
        color: #ccccff;
    }

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

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        section h2 {
            font-size: 2em;
        }

        article {
            padding: 20px;
        }
    }