/* 书籍主页模板 */
.book-page {
    display: flex;
    margin-top: 60px;
    min-height: 85vh;
}

/* 书籍模板侧边栏 */
.sidebar {
    display: flex;
    flex-direction: column;
    width: 300px;
    background: #f8f9fa;
    border-right: 1px solid #e0e0e0;
    padding: 30px;
    overflow-y: auto;
}

/* 目录区 */
/* 目录标头 */
.toc-title {
    font-family: 'Inter', sans-serif;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e0e0e0;
}

/* 书名在目录区上方显示 */
.toc-header{
    padding-bottom: 30px;
    border-bottom: 1px solid #e0e0e0;
}
.toc-book-title{
    font-size: 30px;
    font-weight: 500;
}

.toc-list {
    list-style: none;
}

.toc-item {
    margin-bottom: 8px;
}

.toc-link {
    display: block;
    padding-top: 10px;
    padding-bottom: 10px;
    text-decoration: none;
    color: #2c3e50;
    border-radius: 6px;
    transition: all 0.2s;
}

.toc-link:hover {
    background: #e9ecef;
    font-weight: 700;
}

.toc-link.active {
    background: #e9ecef;
}


/* 正文区 */
.book-content {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
}


.book-title {
    font-size: 32px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.book-description {
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 18px;
    line-height: 1.8;
}

.chapter-content {
    margin-top: 100px;
    max-width: 800px;
}

.chapter-title {
    font-size: 28px;
    margin-bottom: 20px;
    color: #333;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.chapter-body {
    font-size: 18px;
    line-height: 1.8;
}

.chapter-body h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: #444;
}

.chapter-body h3 {
    font-size: 20px;
    margin: 25px 0 12px;
    color: #555;
}

.chapter-body p {
    margin-bottom: 20px;
}

.chapter-body code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.chapter-body pre {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 20px 0;
    border-left: 4px solid #007bff;
}