/* 美化GitBook目录结构 - 侧边栏样式 */
.book-summary {
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
    border-right: 2px solid #dee2e6;
}

/* 目录标题样式 */
.book-summary ul.summary li.header {
    padding: 15px 20px;
    padding-top: 25px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    color: #495057;
    background: linear-gradient(90deg, #e9ecef 0%, transparent 100%);
    border-left: 3px solid #008cff;
    margin: 10px 0 5px 0;
}

/* 目录项样式 */
.book-summary ul.summary li a,
.book-summary ul.summary li span {
    padding: 12px 20px;
    font-size: 14px;
    color: #495057;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.book-summary ul.summary li a:hover {
    color: #008cff;
    background: rgba(0, 140, 255, 0.05);
    padding-left: 25px;
}

.book-summary ul.summary li.active > a {
    color: #008cff;
    background: rgba(0, 140, 255, 0.1);
    border-left-color: #008cff;
    font-weight: 500;
}

/* 子菜单样式 */
.book-summary ul.summary li ul.articles {
    background: rgba(0, 0, 0, 0.02);
}

.book-summary ul.summary li ul.articles li a {
    padding-left: 35px;
    font-size: 13px;
    color: #6c757d;
}

.book-summary ul.summary li ul.articles li a:hover {
    padding-left: 40px;
    color: #008cff;
}

/* 三级菜单样式 */
.book-summary ul.summary li ul.articles ul.articles li a {
    padding-left: 50px;
    font-size: 12px;
}

.book-summary ul.summary li ul.articles ul.articles li a:hover {
    padding-left: 55px;
}

/* 四级菜单样式 */
.book-summary ul.summary li ul.articles ul.articles ul.articles li a {
    padding-left: 65px;
    font-size: 12px;
    color: #adb5bd;
}

/* 分割线样式 */
.book-summary ul.summary li.divider {
    height: 2px;
    margin: 15px 0;
    background: linear-gradient(90deg, #dee2e6 0%, transparent 100%);
}

/* 搜索框样式 */
#book-search-input {
    padding: 12px 15px;
    background: #fff;
    border-bottom: 2px solid #dee2e6;
}

#book-search-input input {
    padding: 8px 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

#book-search-input input:focus {
    border-color: #008cff;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 140, 255, 0.1);
}

/* 主体内容样式 */
.markdown-section {
    padding: 30px 40px;
}

.markdown-section h1 {
    color: #212529;
    font-size: 2.2em;
    font-weight: 700;
    padding-bottom: 15px;
    border-bottom: 3px solid #008cff;
    margin-top: 0;
}

.markdown-section h2 {
    color: #343a40;
    font-size: 1.8em;
    font-weight: 600;
    margin-top: 2.5em;
    padding-left: 15px;
    border-left: 4px solid #008cff;
}

.markdown-section h3 {
    color: #495057;
    font-size: 1.5em;
    font-weight: 600;
    margin-top: 2em;
}

.markdown-section h4 {
    color: #6c757d;
    font-size: 1.3em;
    font-weight: 600;
}

.markdown-section p {
    line-height: 1.8;
    color: #495057;
}

/* 链接样式 */
.markdown-section a {
    color: #008cff;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px dashed #008cff;
}

.markdown-section a:hover {
    color: #0066cc;
    border-bottom-style: solid;
}

/* 列表样式 */
.markdown-section ul,
.markdown-section ol {
    padding-left: 30px;
}

.markdown-section ul li,
.markdown-section ol li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.markdown-section ul li::marker {
    color: #008cff;
}

/* 表格样式 */
.markdown-section table {
    border: 2px solid #dee2e6;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.markdown-section table th {
    background: linear-gradient(135deg, #008cff 0%, #0066cc 100%);
    color: #fff;
    font-weight: 600;
    padding: 12px 15px;
}

.markdown-section table td {
    padding: 10px 15px;
}

.markdown-section table tr:nth-child(2n) {
    background: rgba(0, 140, 255, 0.03);
}

/* 浅色代码块样式 */
.markdown-section pre {
    background: #f8f9fa; /* 浅灰色背景 */
    border: 1px solid #dee2e6; /* 添加边框 */
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05); /* 较轻阴影 */
}

.markdown-section code {
    background: rgba(0, 140, 255, 0.05); /* 更淡的蓝色背景 */
    color: #212529; /* 深灰色文字 */
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.markdown-section pre code {
    background: transparent;
    color: #495057; /* 中等灰度文字 */
    padding: 0;
}

/* 引用样式 */
.markdown-section blockquote {
    border-left: 4px solid #008cff;
    background: linear-gradient(90deg, rgba(0, 140, 255, 0.05) 0%, transparent 100%);
    padding: 15px 20px;
    margin: 20px 0;
    color: #6c757d;
    border-radius: 0 8px 8px 0;
}

/* 导航按钮样式 */
.navigation {
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
}

.navigation:hover {
    background: linear-gradient(180deg, #e9ecef 0%, #dee2e6 100%);
}

/* 页面底部样式 */
.markdown-section .glossary-term {
    color: #008cff;
    font-weight: 500;
    cursor: pointer;
}

/* 响应式优化 */
@media (max-width: 600px) {
    .book-summary {
        width: 100%;
    }
    
    .markdown-section {
        padding: 20px 15px;
    }
    
    .markdown-section h1 {
        font-size: 1.8em;
    }
    
    .markdown-section h2 {
        font-size: 1.5em;
    }
}

/* 字体设置 */
.book.font-family-0 {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* 滚动条美化 */
.book-summary::-webkit-scrollbar {
    width: 6px;
}

.book-summary::-webkit-scrollbar-track {
    background: #f1f3f5;
}

.book-summary::-webkit-scrollbar-thumb {
    background: #adb5bd;
    border-radius: 3px;
}

.book-summary::-webkit-scrollbar-thumb:hover {
    background: #6c757d;
}

/* 图标颜色 */
.book-summary ul.summary li i.fa-check {
    color: #28a745;
}

/* 搜索结果高亮 */
.mark {
    background: rgba(255, 236, 0, 0.3);
    padding: 0 2px;
    border-radius: 2px;
}

/* 隐藏右上角工具栏按钮 */
.btn.pull-right.js-toolbar-action {
    display: none !important;
}

.book-header .font-settings {
    display: none !important;
}

.book-header .sharing {
    display: none !important;
}

/* 高优先级的代码复制按钮样式 */
.markdown-section .copy-code-button {
    position: absolute !important;
    float: right !important;
    color: #495057 !important;
    background: #ffffff !important;          /* 纯白色背景 */
    border: 1px solid #ced4da !important;
    border-radius: 4px !important;
    padding: 4px 10px !important;
    font-size: 0.8em !important;
    cursor: pointer !important;
    z-index: 10 !important;
    transition: all 0.3s ease !important;
    top: 10px !important;
    right: 10px !important;
}

.markdown-section .copy-code-button:hover {
    background: #e9ecef !important;         /* 悬停时的浅灰色背景 */
    color: #008cff !important;              /* 悬停时的主题蓝色 */
    border-color: #adb5bd !important;
}

.markdown-section .copy-code-button.success {
    color: #28a745 !important;
    border-color: #28a745 !important;
    background: #f8f9fa !important;
}

.markdown-section .copy-code-button.success:hover {
    background: #d4edda !important;
}