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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1e006b, #8f00ff, #ff00c8);
        background-size: 400% 400%;
        animation: gradient-animation 15s ease infinite;
        color: #ffffff;
        line-height: 1.6;
    }

    @keyframes gradient-animation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    header {
        padding: 20px;
        text-align: center;
        background: rgba(0, 0, 0, 0.5);
    }

    header h1 {
        font-size: 3em;
        background: -webkit-linear-gradient(#ff7ae5, #00d2ff);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        animation: textGradient 10s ease infinite;
    }

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

    nav {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin: 20px 0;
    }

    nav a {
        color: #ffffff;
        text-decoration: none;
        padding: 10px 20px;
        background: linear-gradient(to right, #00d2ff, #3a7bd5);
        border-radius: 25px;
        transition: transform 0.3s, background 0.3s;
    }

    nav a:hover {
        transform: scale(1.1);
        background: linear-gradient(to right, #8f00ff, #ff00c8);
    }

    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    section {
        margin: 40px 0;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    }

    section h2 {
        font-size: 2.5em;
        margin-bottom: 20px;
        background: -webkit-linear-gradient(#ff7ae5, #00d2ff);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    section p {
        font-size: 1.1em;
        margin-bottom: 15px;
    }

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

    .card {
        background: linear-gradient(145deg, #2c3e50, #4ca1af);
        padding: 20px;
        border-radius: 15px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
    }

    .card img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .card h3 {
        margin-bottom: 10px;
        font-size: 1.5em;
        background: -webkit-linear-gradient(#ff7ae5, #00d2ff);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .card p {
        font-size: 1em;
    }

    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        color: #ff00c8;
        font-family: 'Courier New', Courier, monospace;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    table, th, td {
        border: 1px solid #ffffff;
    }

    th, td {
        padding: 10px;
        text-align: left;
    }

    th {
        background: rgba(255, 255, 255, 0.2);
    }

    a[rel="nofollow"] {
        /* Internal link styles */
    }

    footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.5);
        margin-top: 40px;
        font-size: 1em;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        nav a {
            padding: 8px 16px;
            font-size: 0.9em;
        }

        section h2 {
            font-size: 2em;
        }

        .card h3 {
            font-size: 1.2em;
        }

        .container {
            padding: 10px;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5em;
        }

        nav {
            flex-direction: column;
            gap: 10px;
        }

        section {
            padding: 15px;
        }
    }