/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Open Sans', sans-serif;
        line-height: 1.6;
        background: linear-gradient(135deg, #0074D9, #65C8DC);
        color: #333;
    }

    h1, h2, h3 {
        font-family: 'Montserrat', sans-serif;
        font-weight: bold;
        color: #ffffff;
    }

    p {
        font-size: 16px;
        color: #f0f0f0;
    }

    a {
        color: #FF9800;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #e65100;
    }

    /* 布局 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 0;
        background: radial-gradient(circle, rgba(0, 116, 217, 0.8), transparent);
        position: relative;
    }

    header h1 {
        font-size: 48px;
        margin-bottom: 20px;
    }

    header p {
        font-size: 18px;
        max-width: 800px;
        margin: 0 auto;
    }

    /* 导航 */
    nav {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin-top: 20px;
    }

    nav a {
        font-size: 18px;
        position: relative;
    }

    nav a::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        background: #FF9800;
        transition: width 0.3s;
        position: absolute;
        bottom: -5px;
        left: 0;
    }

    nav a:hover::after {
        width: 100%;
    }

    /* 主体内容 */
    main {
        padding: 50px 0;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    }

    article {
        background: rgba(255, 255, 255, 0.2);
        padding: 30px;
        border-radius: 10px;
        backdrop-filter: blur(10px);
    }

    article h2 {
        font-size: 36px;
        margin-bottom: 20px;
    }

    article h3 {
        font-size: 28px;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    article pre {
        background: #1e1e1e;
        color: #f8f8f2;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
    }

    article table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    article table, article th, article td {
        border: 1px solid #ddd;
    }

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

    article th {
        background-color: #0074D9;
        color: white;
    }

    /* 图片样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 30px;
    }

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        border-radius: 10px;
        object-fit: cover;
    }

    /* 卡片样式 */
    .card-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }

    .card {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        position: relative;
        overflow: hidden;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
    }

    .card img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }

    .card-content {
        margin-top: 15px;
    }

    /* 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;
    }

    .hover-button {
        background-color: #FF9800;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        transition: background-color 0.3s ease, box-shadow 0.3s ease;
    }

    .hover-button:hover {
        background-color: #e65100;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    /* 提示框 */
    .toast-message {
        position: fixed;
        bottom: 20px;
        right: 20px;
        background-color: #4caf50;
        color: white;
        padding: 15px 25px;
        border-radius: 5px;
        opacity: 0;
        transition: opacity 0.5s ease;
        z-index: 1000;
    }

    .toast-message.show {
        opacity: 1;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 42px;
        }
    }

    @media (max-width: 1200px) {
        header h1 {
            font-size: 36px;
        }

        article h2 {
            font-size: 32px;
        }

        article h3 {
            font-size: 24px;
        }
    }

    @media (max-width: 1024px) {
        nav {
            flex-direction: column;
            gap: 15px;
        }

        .card-container {
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 28px;
        }

        nav a {
            font-size: 16px;
        }

        article h2 {
            font-size: 28px;
        }

        .image-gallery {
            justify-content: center;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 24px;
        }

        article h2 {
            font-size: 24px;
        }

        article h3 {
            font-size: 20px;
        }

        .hover-button {
            padding: 8px 16px;
            font-size: 14px;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 20px;
        }

        nav a {
            font-size: 14px;
        }

        article h2 {
            font-size: 20px;
        }

        .image-gallery img {
            max-width: 100%;
        }
    }

    /* 其他样式 */
    footer {
        text-align: center;
        padding: 30px 0;
        background: rgba(0, 0, 0, 0.8);
        color: #ffffff;
        position: relative;
    }