/* 基础样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0A192F, #34B7F1);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }
    h1, h2, h3 {
        font-family: 'Oswald', sans-serif;
        color: #FF9F1C;
        margin-bottom: 15px;
    }
    p {
        margin-bottom: 15px;
        padding: 0 10px;
    }
    /* 布局 */
    .container {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 20px;
        max-width: 1200px;
        margin: 0 auto;
    }
    .module {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 8px;
        grid-column: span 6;
    }
    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1000px;
        }
    }
    @media (max-width: 1200px) {
        .container {
            max-width: 900px;
        }
    }
    @media (max-width: 1024px) {
        .container {
            grid-template-columns: repeat(8, 1fr);
        }
        .module {
            grid-column: span 8;
        }
    }
    @media (max-width: 768px) {
        .container {
            grid-template-columns: repeat(4, 1fr);
        }
        .module {
            grid-column: span 4;
        }
    }
    @media (max-width: 480px) {
        h1 {
            font-size: 1.8em;
        }
        h2 {
            font-size: 1.5em;
        }
        h3 {
            font-size: 1.2em;
        }
    }
    @media (max-width: 320px) {
        body {
            padding: 10px;
        }
        .module {
            padding: 15px;
        }
    }
    /* 按钮样式 */
    .btn {
        background-color: #FF9F1C;
        color: #ffffff;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    .btn:hover {
        background-color: #E67E22;
        transform: scale(1.05);
    }
    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }
    table th, table td {
        border: 1px solid #ffffff;
        padding: 10px;
        text-align: left;
    }
    table th {
        background-color: rgba(255, 159, 28, 0.2);
    }
    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }
    code {
        color: #34B7F1;
        font-family: 'Courier New', Courier, monospace;
    }
    /* 图片样式 */
    .image-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 20px;
    }
    .image-grid img {
        width: calc(33.333% - 10px);
        border-radius: 5px;
    }
    @media (max-width: 768px) {
        .image-grid img {
            width: calc(50% - 10px);
        }
    }
    @media (max-width: 480px) {
        .image-grid img {
            width: 100%;
        }
    }
    /* 提示文字样式 */
    .notice {
        background-color: rgba(255, 159, 28, 0.3);
        padding: 10px;
        border-radius: 5px;
        text-align: center;
        margin-bottom: 20px;
        font-size: 1.2em;
    }
    /* 动画效果 */
    .fade-in {
        animation: fadeIn 2s ease-in-out;
    }
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }