/* 基本重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    /* 全局字体和背景 */
    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        background-size: 200% 200%;
        animation: gradient-animation 10s ease infinite;
        color: #ffffff;
        line-height: 1.6;
        min-height: 100vh;
    }

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

    /* 容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        backdrop-filter: blur(10px) brightness(0.8);
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    }

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

    h1 {
        font-size: 2.5rem;
        text-align: center;
        margin-top: 20px;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    /* 段落样式 */
    p {
        margin-bottom: 15px;
        font-size: 1rem;
        text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    }

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

    table, th, td {
        border: 1px solid rgba(255,255,255,0.3);
    }

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

    th {
        background: rgba(255, 255, 255, 0.2);
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.6);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #00ffcc;
    }

    /* 按钮样式 */
    button {
        background: rgba(0, 150, 255, 0.8);
        color: #ffffff;
        border: none;
        padding: 10px 20px;
        border-radius: 5px;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.3s ease;
        font-size: 1rem;
        margin: 10px 0;
    }

    button:hover {
        background: rgba(0, 100, 200, 0.9);
        transform: scale(1.05);
    }

    /* 图像样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 20px;
    }

    .images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 10px;
        transition: transform 0.3s ease;
    }

    .images img:hover {
        transform: scale(1.1);
    }

    /* 链接样式 */
    a {
        color: #00ffff;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #ffffff;
    }

    /* 卡片样式 */
    .card {
        background: rgba(255, 255, 255, 0.2);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: scale(1.02);
        box-shadow: 0 8px 16px rgba(0,0,0,0.4);
    }

    /* 响应式布局 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 1200px) {
        .images img {
            width: 90px;
            height: 90px;
        }
    }

    @media (max-width: 1024px) {
        .container {
            padding: 15px;
        }
    }

    @media (max-width: 768px) {
        h1 {
            font-size: 2rem;
        }

        .images img {
            width: 80px;
            height: 80px;
        }

        button {
            width: 100%;
        }
    }

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

        .images img {
            width: 70px;
            height: 70px;
        }

        pre {
            font-size: 0.9rem;
        }

        table, th, td {
            font-size: 0.9rem;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.6rem;
        }

        .images img {
            width: 60px;
            height: 60px;
        }

        pre {
            font-size: 0.8rem;
        }

        table, th, td {
            font-size: 0.8rem;
        }
    }

    /* 提示样式 */
    .prompt {
        text-align: center;
        margin: 20px 0;
        font-style: italic;
        color: #ffcc00;
    }

    /* SVG图标样式 */
    svg.icon {
        width: 50px;
        height: 50px;
        fill: rgba(255, 255, 255, 0.8);
        transition: fill 0.3s ease;
    }

    svg.icon:hover {
        fill: rgba(255, 255, 255, 1);
    }

    /* 模块化布局 */
    .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }