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

    body {
        font-family: 'Poppins', sans-serif;
        background: linear-gradient(135deg, #0A192F, #E0E0E0);
        color: #FFFFFF;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3, h4 {
        font-family: 'Roboto', sans-serif;
        color: #6C5CE7;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 2.5em;
        font-weight: bold;
    }

    h2 {
        font-size: 2em;
        font-weight: bold;
    }

    h3 {
        font-size: 1.75em;
        font-weight: bold;
    }

    h4 {
        font-size: 1.5em;
        font-weight: bold;
    }

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

    pre {
        background: rgba(0, 0, 0, 0.6);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #1DD3B0;
    }

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

    th, td {
        border: 1px solid #6C5CE7;
        padding: 10px;
        text-align: left;
    }

    th {
        background: #1DD3B0;
        color: #0A192F;
    }

    ul {
        list-style: disc inside;
        margin-bottom: 20px;
    }

    .button {
        background: linear-gradient(to right, #6C5CE7, #1DD3B0);
        color: #FFFFFF;
        border: none;
        padding: 10px 20px;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-size: 1em;
    }

    .button:hover {
        transform: scale(1.1);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .loader {
        width: 50px;
        height: 50px;
        border: 5px solid #E0E0E0;
        border-top: 5px solid #6C5CE7;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin: 20px auto;
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }

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

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

    .card {
        background: rgba(10, 25, 47, 0.8);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
    }

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

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.2em;
        }
        h2 {
            font-size: 1.8em;
        }
        h3 {
            font-size: 1.5em;
        }
        h4 {
            font-size: 1.3em;
        }
    }

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

    @media (max-width: 1024px) {
        .grid {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
        pre {
            font-size: 0.9em;
        }
    }

    @media (max-width: 768px) {
        .grid {
            grid-template-columns: 1fr;
        }
        h1 {
            font-size: 2em;
        }
    }

    @media (max-width: 480px) {
        body {
            padding: 10px;
        }
        h1 {
            font-size: 1.8em;
        }
        h2 {
            font-size: 1.6em;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.5em;
        }
        .button {
            width: 100%;
            padding: 10px;
        }
    }

    /* 动画效果 */
    .aurora-move {
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora 15s linear infinite;
    }

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