/* 引入字体 */
    @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&family=Roboto:wght@400;700&display=swap');

    /* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Poppins', sans-serif;
        color: #333;
        background: linear-gradient(135deg, #0D47A1, #004D40);
        background-size: cover;
        background-attachment: fixed;
        animation: aurora-move 15s linear infinite;
    }

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

    /* 容器样式 */
    .container {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 20px;
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 20px;
    }

    /* 标题样式 */
    h1, h2, h3 {
        font-family: 'Roboto', sans-serif;
        color: #FFD700; /* 金色 */
        font-weight: 700;
    }

    h1 {
        grid-column: span 12;
        font-size: 2.5em;
        margin-bottom: 20px;
    }

    h2 {
        grid-column: span 12;
        font-size: 2em;
        margin-top: 40px;
        margin-bottom: 20px;
    }

    h3 {
        grid-column: span 12;
        font-size: 1.5em;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    /* 段落样式 */
    p {
        grid-column: span 12;
        font-size: 1em;
        line-height: 1.6;
        color: #E0E0E0;
        margin-bottom: 20px;
    }

    /* 代码块样式 */
    pre {
        grid-column: span 12;
        background: #263238;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
    }

    code {
        font-family: 'Roboto', monospace;
        color: #FFD700;
    }

    /* 表格样式 */
    table {
        grid-column: span 12;
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    th, td {
        border: 1px solid #455A64;
        padding: 10px;
        text-align: left;
        color: #FFFFFF;
    }

    th {
        background-color: #1E88E5;
    }

    /* 按钮样式 */
    button {
        background-color: #FFA726; /* 橙色 */
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: box-shadow 0.3s ease;
        font-size: 1em;
    }

    button:hover {
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    }

    /* 模块样式 */
    .module-1 {
        grid-column: span 8;
    }

    .module-2 {
        grid-column: span 4;
    }

    /* 图片样式 */
    img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        grid-column: span 12;
        margin-bottom: 20px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1024px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            max-width: 960px;
        }
    }

    @media (max-width: 1024px) {
        .container {
            max-width: 768px;
        }
    }

    @media (max-width: 768px) {
        .container {
            grid-template-columns: repeat(6, 1fr);
            padding: 20px 10px;
        }
        .module-1, .module-2 {
            grid-column: span 6;
        }
        h1 {
            font-size: 2em;
        }
        h2 {
            font-size: 1.75em;
        }
        h3 {
            font-size: 1.25em;
        }
    }

    @media (max-width: 480px) {
        .container {
            grid-template-columns: repeat(4, 1fr);
        }
        h1 {
            font-size: 1.75em;
        }
        h2 {
            font-size: 1.5em;
        }
        h3 {
            font-size: 1.1em;
        }
    }

    @media (max-width: 320px) {
        .container {
            grid-template-columns: repeat(2, 1fr);
        }
        h1 {
            font-size: 1.5em;
        }
        h2 {
            font-size: 1.25em;
        }
        h3 {
            font-size: 1em;
        }
    }

    /* 特殊样式 */
    .sample-article {
        grid-column: span 12;
        background: rgba(0,0,0,0.5);
        padding: 20px;
        border-radius: 10px;
    }

    .sample-article h2 {
        color: #FFA726;
    }

    .sample-article pre {
        background: #37474F;
    }

    .notice {
        grid-column: span 12;
        font-size: 0.9em;
        color: #FFEB3B;
        text-align: center;
        margin-top: 40px;
    }