/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0F4C81, #A9A9A9);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
        animation: backgroundAnimation 15s linear infinite;
    }
    @keyframes backgroundAnimation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }
    header {
        text-align: center;
        padding: 40px 20px;
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        margin-bottom: 30px;
    }
    header h1 {
        font-size: 2.5em;
        font-weight: bold;
        margin-bottom: 10px;
        color: #FFD700;
    }
    header p {
        font-size: 1.2em;
        color: #FFFFFF;
    }
    .features {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }
    .feature-item {
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        border-radius: 10px;
        padding: 20px;
        text-align: center;
        transition: transform 0.3s ease;
    }
    .feature-item:hover {
        transform: scale(1.05);
    }
    .feature-item img {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }
    .feature-item h3 {
        font-size: 1.5em;
        margin-bottom: 10px;
        color: #FFA500;
    }
    .feature-item p {
        font-size: 1em;
        color: #F0F0F0;
    }
    .article-section {
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        padding: 30px;
        margin-bottom: 40px;
    }
    .article-section h2 {
        font-size: 2em;
        margin-bottom: 20px;
        color: #FF4500;
    }
    .article-section h3 {
        font-size: 1.5em;
        margin: 20px 0 10px 0;
        color: #FFD700;
    }
    .article-section p {
        font-size: 1em;
        margin-bottom: 15px;
        color: #FFFFFF;
    }
    .article-section pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 15px;
    }
    .article-section code {
        color: #FFA500;
        font-family: 'Courier New', Courier, monospace;
    }
    .article-section table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }
    .article-section table, .article-section th, .article-section td {
        border: 1px solid #FFD700;
    }
    .article-section th, .article-section td {
        padding: 10px;
        text-align: left;
        color: #FFFFFF;
    }
    .prompt {
        text-align: center;
        font-size: 1.2em;
        color: #FFD700;
        margin-bottom: 30px;
    }
    footer {
        text-align: center;
        padding: 20px;
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        border-radius: 15px;
    }
    footer p {
        color: #FFFFFF;
        font-size: 1em;
    }
    /* 按钮样式 */
    .btn {
        background: linear-gradient(45deg, #FF5733, #C70039);
        border: none;
        padding: 10px 20px;
        color: #ffffff;
        font-size: 1em;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s ease, transform 0.3s ease;
    }
    .btn:hover {
        background: linear-gradient(45deg, #C70039, #FF5733);
        transform: scale(1.05);
    }
    /* 响应式设计 */
    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }
        .feature-item h3 {
            font-size: 1.2em;
        }
        .article-section {
            padding: 20px;
        }
    }
    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5em;
        }
        .feature-item img {
            width: 50px;
            height: 50px;
        }
        .btn {
            padding: 8px 16px;
            font-size: 0.9em;
        }
    }