/* 基础重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    /* 变量定义 */
    :root {
        --primary-color: #0074D9; /* 深蓝色 */
        --secondary-color: #FF851B; /* 珊瑚橙 */
        --background-gradient: linear-gradient(135deg, #0074D9, #FF851B);
        --glass-bg: rgba(255, 255, 255, 0.2);
        --glass-border: rgba(255, 255, 255, 0.5);
        --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        --font-family: 'Roboto', sans-serif;
        --title-font: 'Roboto Condensed', sans-serif;
        --transition-speed: 0.3s;
        --text-color: #ffffff;
        --card-bg: rgba(255, 255, 255, 0.25);
        --card-border: rgba(255, 255, 255, 0.4);
    }

    /* 全局样式 */
    body {
        font-family: var(--font-family);
        background: radial-gradient(circle at top left, #1e3c72, #2a5298);
        color: var(--text-color);
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3 {
        font-family: var(--title-font);
        color: var(--secondary-color);
        margin-bottom: 20px;
        text-align: center;
    }

    p {
        margin-bottom: 15px;
        line-height: 1.8;
    }

    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        color: var(--secondary-color);
        font-family: 'Courier New', Courier, monospace;
    }

    /* 容器样式 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: 15px;
        backdrop-filter: blur(10px);
        box-shadow: var(--box-shadow);
    }

    /* 模块化网格系统 */
    .module {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
    }

    .module-item {
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        border-radius: 10px;
        padding: 20px;
        box-shadow: var(--box-shadow);
        transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    }

    .module-item:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
    }

    /* 按钮样式 */
    .button {
        position: relative;
        display: inline-block;
        padding: 10px 20px;
        color: var(--text-color);
        background: var(--primary-color);
        border: none;
        border-radius: 5px;
        cursor: pointer;
        overflow: hidden;
        transition: transform var(--transition-speed) ease;
    }

    .button::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        opacity: 0;
        transition: width var(--transition-speed) ease, height var(--transition-speed) ease, opacity var(--transition-speed) ease;
    }

    .button:hover::before {
        width: 200%;
        height: 200%;
        opacity: 1;
    }

    .button:hover {
        transform: scale(1.1);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1024px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            max-width: 960px;
        }
    }

    @media (max-width: 1024px) {
        .module {
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        }
    }

    @media (max-width: 768px) {
        .container {
            padding: 15px;
        }

        h1, h2, h3 {
            font-size: 1.5em;
        }

        .module {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 480px) {
        h1, h2, h3 {
            font-size: 1.2em;
        }

        .button {
            padding: 8px 16px;
        }
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }

        .container {
            padding: 10px;
        }

        pre {
            padding: 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;
    }

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

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

    th {
        background: var(--primary-color);
    }

    /* 提示信息 */
    .reference-note {
        text-align: center;
        font-size: 1em;
        margin-top: 20px;
        color: var(--secondary-color);
    }

    /* 图片样式 */
    .images-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
        margin-bottom: 20px;
    }

    .images-grid img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }

    /* 链接样式 */
    a {
        color: var(--secondary-color);
        text-decoration: none;
        transition: color var(--transition-speed) ease;
    }

    a:hover {
        color: var(--primary-color);
    }