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

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

    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, rgb(34, 34, 34), rgb(0, 0, 0));
        color: #fff;
        line-height: 1.6;
        overflow-x: hidden;
        padding: 20px;
    }

    a {
        color: #FFA500;
        text-decoration: none;
    }

    a[rel="nofollow"]::after {
        content: "•";
        margin-left: 5px;
        color: #FFA500;
    }

    header {
        text-align: center;
        padding: 50px 0;
        background: linear-gradient(135deg, #4C26FF, #9B51E0);
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    header h1 {
        font-size: 3rem;
        font-weight: bold;
        color: #fff;
        animation: fadeInText 2s ease-in-out;
    }

    nav {
        margin-top: 20px;
    }

    nav a {
        margin: 0 15px;
        font-size: 1.2rem;
        transition: color 0.3s ease;
    }

    nav a:hover {
        color: #32CD32;
    }

    .container {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 20px;
        padding: 20px 0;
    }

    .grid-item {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .grid-item:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    }

    .grid-3 {
        grid-column: span 12;
    }

    @media (min-width: 320px) {
        .grid-3 {
            grid-column: span 12;
        }
    }

    @media (min-width: 480px) {
        .grid-3 {
            grid-column: span 6;
        }
    }

    @media (min-width: 768px) {
        .grid-3 {
            grid-column: span 4;
        }
    }

    @media (min-width: 1024px) {
        .grid-3 {
            grid-column: span 3;
        }
    }

    @media (min-width: 1200px) {
        .grid-3 {
            grid-column: span 3;
        }
    }

    @media (min-width: 1440px) {
        .grid-3 {
            grid-column: span 2;
        }
    }

    section {
        grid-column: 1 / -1;
        padding: 20px;
        background: rgba(76, 38, 255, 0.1);
        border-radius: 10px;
    }

    section h2 {
        font-size: 2rem;
        margin-bottom: 15px;
        color: #FF69B4;
    }

    section p {
        margin-bottom: 15px;
        font-size: 1rem;
        color: #E0E0E0;
    }

    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        font-size: 0.9rem;
        margin-bottom: 20px;
    }

    code {
        color: #32CD32;
    }

    .dynamic-text {
        animation: fadeInText 2s ease-in-out;
    }

    @keyframes fadeInText {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .particle-effect {
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: url('https://images.gptkong.com/demo/sample1.png') repeat;
        animation: aurora-move 15s linear infinite;
        opacity: 0.3;
    }

    @keyframes aurora-move {
        0% { background-position: 0 0; }
        100% { background-position: 1000px 1000px; }
    }

    img {
        width: 100%;
        height: auto;
        border-radius: 8px;
        margin-bottom: 15px;
    }

    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }

    .footer {
        text-align: center;
        padding: 30px 0;
        background: linear-gradient(135deg, #9B51E0, #4C26FF);
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .footer p {
        font-size: 1.2rem;
        color: #fff;
    }

    /* 响应式字体 */
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.75rem;
    }

    h4 {
        font-size: 1.5rem;
    }

    p, li {
        font-size: 1rem;
    }