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

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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

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

    a:hover {
        color: #d600ff;
    }

    /* 导航栏样式 */
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: rgba(0, 0, 0, 0.6);
        padding: 15px 30px;
        border-radius: 10px;
        margin-bottom: 30px;
    }

    .navbar a {
        color: #ffffff;
        margin-left: 20px;
        font-weight: 500;
    }

    /* 主要容器 */
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    /* 卡片样式 */
    .card {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 15px;
        box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
        backdrop-filter: blur(8.5px);
        -webkit-backdrop-filter: blur(8.5px);
        border: 1px solid rgba(255, 255, 255, 0.18);
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        background: rgba(255, 255, 255, 0.2);
    }

    /* 标题样式 */
    h1, h2, h3 {
        color: #39ff14;
        margin-bottom: 15px;
    }

    h1 {
        font-size: 2.5rem;
        text-align: center;
        margin-bottom: 40px;
    }

    h2 {
        font-size: 2rem;
        margin-top: 20px;
    }

    h3 {
        font-size: 1.5rem;
        margin-top: 15px;
    }

    /* 段落样式 */
    p {
        margin-bottom: 15px;
        color: #e0e0e0;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

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

    th, td {
        padding: 12px;
        text-align: left;
    }

    th {
        background: #203a43;
        color: #39ff14;
    }

    /* 代码块样式 */
    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        color: #39ff14;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 按钮样式 */
    .button {
        display: inline-block;
        background-color: #39ff14;
        color: #121212;
        padding: 10px 25px;
        border-radius: 25px;
        transition: transform 0.3s ease, background-color 0.3s ease;
        cursor: pointer;
    }

    .button:hover {
        transform: scale(1.1);
        background-color: #d600ff;
    }

    /* 图片样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .image-gallery img {
        width: 100%;
        max-width: 150px;
        border-radius: 10px;
    }

    /* 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;
    }

    /* 响应式设计 */
    @media (max-width: 320px) {
        h1 {
            font-size: 1.8rem;
        }
        .navbar {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 2rem;
        }
        .navbar a {
            margin: 10px 0;
        }
    }

    @media (max-width: 768px) {
        .container {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
        h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 1024px) {
        .container {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        }
    }

    @media (min-width: 1440px) {
        .container {
            grid-template-columns: repeat(12, 1fr);
        }
    }