/* 基础样式 */
    body {
        margin: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(to bottom right, #1e005f, #00bfff);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    header, footer {
        text-align: center;
        padding: 20px 0;
    }

    h1, h2, h3, h4 {
        font-family: 'Roboto', sans-serif;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 48px;
        text-transform: uppercase;
        letter-spacing: 2px;
        animation: scale-up 1s ease-in-out;
    }

    h2 {
        font-size: 36px;
        margin-top: 40px;
    }

    h3 {
        font-size: 28px;
        margin-top: 40px;
    }

    h4 {
        font-size: 24px;
        margin-top: 30px;
    }

    p {
        font-size: 16px;
        margin-bottom: 20px;
    }

    code, pre {
        font-family: 'Courier New', Courier, monospace;
        background-color: rgba(255, 255, 255, 0.1);
        padding: 5px;
        border-radius: 4px;
    }

    pre {
        overflow-x: auto;
        padding: 15px;
        background-color: rgba(0, 0, 0, 0.5);
        border-radius: 8px;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
    }

    th, td {
        border: 1px solid rgba(255, 255, 255, 0.3);
        padding: 10px;
        text-align: left;
    }

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

    /* 模块样式 */
    .module {
        position: relative;
        margin: 20px 0;
        padding: 20px;
        background-color: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.3);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        border-radius: 8px;
        transition: transform 0.3s ease;
    }

    .module::before {
        content: '';
        position: absolute;
        top: -10px;
        left: -10px;
        width: calc(100% + 20px);
        height: calc(100% + 20px);
        background-color: rgba(0, 255, 0, 0.1);
        z-index: -1;
        border-radius: 8px;
    }

    .module:hover {
        transform: translateY(-10px);
    }

    /* 图片样式 */
    img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 8px;
        margin: 10px 0;
    }

    /* 卡片样式 */
    .card {
        position: relative;
        overflow: hidden;
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
    }

    .card-content {
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .card:hover .card-content {
        opacity: 1;
    }

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

    th, td {
        padding: 12px;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    th {
        background-color: rgba(255, 255, 255, 0.3);
    }

    /* 动画 */
    @keyframes scale-up {
        from { transform: scale(0.9); }
        to { transform: scale(1); }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 { font-size: 42px; }
        h2 { font-size: 32px; }
        h3 { font-size: 24px; }
        h4 { font-size: 20px; }
    }

    @media (max-width: 1200px) {
        body { padding: 15px; }
    }

    @media (max-width: 1024px) {
        h1 { font-size: 36px; }
        h2 { font-size: 28px; }
    }

    @media (max-width: 768px) {
        h1 { font-size: 32px; }
        h2 { font-size: 24px; }
        p { font-size: 14px; }
    }

    @media (max-width: 480px) {
        h1 { font-size: 28px; }
        h2 { font-size: 20px; }
        p { font-size: 12px; }
    }

    @media (max-width: 320px) {
        h1 { font-size: 24px; }
        h2 { font-size: 18px; }
    }