/* 基础样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto Mono', monospace;
        background: linear-gradient(135deg, #000c4f, #4b0082);
        color: #39ff14;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: 'Exo 2', sans-serif;
        color: #39ff14;
        margin-bottom: 20px;
        animation: fadeIn 2s ease-in-out;
    }

    p {
        margin-bottom: 15px;
        padding: 0 10px;
    }

    pre {
        background: rgba(0, 12, 79, 0.8);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        color: #39ff14;
        font-family: 'Roboto Mono', monospace;
    }

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

    table, th, td {
        border: 1px solid #39ff14;
    }

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

    a {
        color: #39ff14;
        text-decoration: none;
        position: relative;
        transition: all 0.3s ease;
    }

    a:hover {
        color: #ffffff;
        transform: scale(1.05);
        box-shadow: 0 0 10px #39ff14;
    }

    .button {
        position: relative;
        display: inline-block;
        padding: 10px 20px;
        background: #4b0082;
        color: #fff;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        overflow: hidden;
        transition: background 0.3s ease;
    }

    .button:hover {
        background: #000c4f;
    }

    .button::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(57, 255, 20, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: all 0.5s ease-out;
    }

    .button:hover::before {
        width: 200px;
        height: 200px;
    }

    /* 布局 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
    }

    .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

    .card {
        background: rgba(75, 0, 130, 0.8);
        padding: 20px;
        border-radius: 10px;
        position: relative;
        overflow: hidden;
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
    }

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

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

    /* 动画 */
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

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

    .cube {
        width: 100px;
        height: 100px;
        background-color: #fff;
        animation: rotate 5s infinite linear;
        margin: 20px auto;
    }

    /* 响应式设计 */
    @media (max-width: 320px) {
        body {
            padding: 10px;
        }

        .card {
            padding: 15px;
        }

        h1 {
            font-size: 24px;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 28px;
        }

        .button {
            padding: 8px 16px;
        }
    }

    @media (max-width: 768px) {
        .grid {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        .container {
            padding: 15px;
        }

        h1 {
            font-size: 32px;
        }
    }

    @media (max-width: 1200px) {
        .grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }
    }

    @media (min-width: 1440px) {
        body {
            padding: 40px;
        }

        h1 {
            font-size: 40px;
        }
    }

    /* 背景和装饰 */
    .background-animation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('https://images.gptkong.com/demo/sample12.png') no-repeat center center;
        background-size: cover;
        opacity: 0.1;
        z-index: -1;
        animation: fadeIn 10s infinite alternate;
    }

    .overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, rgba(0, 12, 79, 0.7), rgba(75, 0, 130, 0.7));
        z-index: -1;
    }

    /* 表格样式 */
    table {
        background: rgba(0, 12, 79, 0.8);
        border: 1px solid #39ff14;
    }

    th {
        background: rgba(75, 0, 130, 0.9);
    }

    td {
        background: rgba(0, 12, 79, 0.6);
    }