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

    body {
        font-family: 'Merriweather', serif;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
        animation: backgroundMove 15s linear infinite;
    }

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

    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        color: #ff851b;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 2.5em;
        text-align: center;
        margin-top: 20px;
    }

    h2 {
        font-size: 2em;
        border-bottom: 2px solid #ffdc00;
        padding-bottom: 10px;
    }

    h3 {
        font-size: 1.5em;
        margin-top: 30px;
    }

    h4 {
        font-size: 1.2em;
        margin-top: 20px;
    }

    p {
        margin-bottom: 15px;
        font-size: 1em;
        color: #f0f0f0;
    }

    a {
        color: #2ecc40;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #ff4136;
    }

    /* 容器与网格布局 */
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    .card {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 12px rgba(0,0,0,0.2);
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        background: linear-gradient(to right, #0074D9, #FF851B);
        color: #fff;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-align: center;
    }

    .btn:hover {
        box-shadow: 0 4px 6px rgba(0,0,0,0.2);
        transform: scale(1.1);
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
    }

    th, td {
        border: 1px solid #ffdc00;
        padding: 10px;
        text-align: left;
    }

    th {
        background: #0074D9;
        color: #ffffff;
    }

    td {
        background: rgba(255, 255, 255, 0.05);
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        margin-bottom: 20px;
    }

    code {
        color: #2ecc40;
    }

    /* 图片样式 */
    img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 20px;
    }

    /* 表单隐藏 */
    input, textarea {
        display: none;
    }

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

        h2 {
            font-size: 1.5em;
        }

        .container {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 1.8em;
        }

        h2 {
            font-size: 1.2em;
        }

        .btn {
            padding: 8px 16px;
            font-size: 0.9em;
        }
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    .animated-background {
        background: radial-gradient(circle, rgba(255,87,34,1) 0%, rgba(255,87,34,0) 70%);
        animation: aurora-move 15s linear infinite;
    }

    /* 提示文字样式 */
    .reference-note {
        text-align: center;
        margin-top: 40px;
        font-size: 1.2em;
        color: #ffdc00;
    }