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

    /* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #E8F3FF, #D6C4FA);
        color: #333;
        line-height: 1.6;
    }

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

    /* 标题样式 */
    h1, h2, h3, h4 {
        color: #FF6F34;
        margin-bottom: 20px;
        text-align: center;
    }

    h1 {
        font-size: 2.5em;
        margin-top: 40px;
    }

    h2 {
        font-size: 2em;
        margin-top: 30px;
    }

    h3 {
        font-size: 1.75em;
        margin-top: 25px;
    }

    h4 {
        font-size: 1.5em;
        margin-top: 20px;
    }

    /* 段落样式 */
    p {
        margin-bottom: 15px;
        font-size: 1em;
    }

    /* 强调文字 */
    b {
        color: #FFB470;
    }

    /* 链接样式 */
    a {
        color: #FF6F34;
        text-decoration: none;
        transition: color 0.3s ease, transform 0.3s ease;
    }

    a:hover {
        color: #D6C4FA;
        transform: scale(1.05);
    }

    /* 网格容器 */
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }

    /* 网格项 */
    .grid-item {
        background-color: #FFFFFF;
        padding: 20px;
        border-radius: 15px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .grid-item:hover {
        transform: translateY(-10px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
    }

    /* 图片样式 */
    img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    /* 代码块样式 */
    pre {
        background: #F5F5F5;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #2C3E50;
        background: #ECF0F1;
        padding: 2px 4px;
        border-radius: 4px;
    }

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

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

    th {
        background-color: #FFB470;
        color: #FFFFFF;
    }

    /* 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, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    /* 交互控件 */
    .button {
        display: inline-block;
        padding: 10px 20px;
        background-color: #FF6F34;
        color: #FFFFFF;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.3s ease;
        text-decoration: none;
        text-align: center;
    }

    .button:hover {
        background-color: #D6C4FA;
        transform: scale(1.05);
    }

    /* 提示信息 */
    .note {
        background-color: #FFF3E0;
        border-left: 5px solid #FFB470;
        padding: 10px 15px;
        margin: 20px 0;
        border-radius: 5px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.3em;
        }
        h2 {
            font-size: 1.8em;
        }
        h3 {
            font-size: 1.5em;
        }
        h4 {
            font-size: 1.3em;
        }
    }

    @media (max-width: 1200px) {
        .container {
            width: 95%;
        }
        h1 {
            font-size: 2.1em;
        }
    }

    @media (max-width: 1024px) {
        .grid-container {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
    }

    @media (max-width: 768px) {
        h1 {
            font-size: 1.9em;
        }
        .grid-container {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 1.7em;
        }
        h2 {
            font-size: 1.5em;
        }
    }

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