body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    background-color: #f5f5f5;
}

.container {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1 {
    color: #2c3e50;
    text-align: center;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

h2 {
    color: #2980b9;
    margin-top: 30px;
}

h3 {
    color: #34495e;
}

.content-section {
    margin: 20px 0;
    padding: 15px;
    background-color: #f8f9fa;
    border-left: 4px solid #3498db;
}

p {
    margin: 10px 0;
    color: #333;
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 15px;
    }
}

/* 原有样式保持不变 */

.chapter {
    margin: 30px 0;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.section {
    margin: 15px 0;
}

h4 {
    color: #2c3e50;
    margin: 15px 0 10px 0;
}

.example-box {
    background-color: #f1f8ff;
    border-left: 4px solid #2196f3;
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
}

.process-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin: 20px 0;
}

.step {
    background-color: #3498db;
    color: white;
    padding: 10px 15px;
    border-radius: 4px;
    margin: 5px;
}

.arrow {
    color: #3498db;
    font-weight: bold;
    margin: 0 10px;
}

.code {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    font-family: monospace;
    overflow-x: auto;
}

ul, ol {
    padding-left: 20px;
}

ul li, ol li {
    margin: 5px 0;
}

.diagram {
    max-width: 100%;
    height: auto;
    margin: 15px 0;
}

.caption {
    text-align: center;
    color: #666;
    font-style: italic;
}

@media (max-width: 768px) {
    .process-flow {
        flex-direction: column;
    }
    
    .arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
}