/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.8;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    font-size: 16px;
    letter-spacing: 0.3px;
}

/* 头部导航样式 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 60px;
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

.header-left {
    display: flex;
    align-items: center;
}

.logo {
    width: 32px;
    height: 32px;
    margin-right: 10px;
}

.logo-extended {
    height: 32px;
    width: auto;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.logo-extended:hover {
    opacity: 0.8;
}

.brand-name {
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-color);
    text-decoration: none;
}

.brand-name:hover {
    color: var(--primary-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-item {
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-item:hover {
    background-color: var(--hover-bg);
    color: var(--primary-color);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--hover-bg);
}

.theme-toggle img {
    width: 20px;
    height: 20px;
}

/* 主容器样式 */
.main-container {
    display: flex;
    margin-top: 60px;
    min-height: calc(100vh - 60px);
}

/* 侧边栏样式 */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    position: fixed;
    left: 0;
    top: 60px;
    bottom: 0;
    transition: background-color 0.3s ease;
}

.sidebar-content {
    padding: 20px;
}

.menu-section {
    margin-bottom: 20px;
}

.menu-header {
    font-weight: bold;
    font-size: 16px;
    padding: 10px 0;
    cursor: pointer;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
}

.menu-header:hover {
    color: var(--primary-color);
}

.menu-items {
    padding-left: 0;
}

.menu-item {
    display: block;
    padding: 10px 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
    line-height: 1.5;
}

.menu-item:hover {
    color: var(--primary-color);
}

.menu-item.main {
    font-weight: 500;
    margin-top: 10px;
}

.menu-item.sub {
    padding-left: 20px;
    font-size: 13px;
}

.submenu {
    margin-bottom: 15px;
}

/* 二级标题展开/收起功能 */
.menu-item-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.menu-item.main {
    flex: 1;
    margin-right: 8px;
}

.toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    transition: transform 0.3s ease, color 0.3s ease;
    border-radius: 3px;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-btn:hover {
    color: var(--primary-color);
    background-color: var(--hover-bg);
}

.toggle-btn.collapsed {
    transform: rotate(-90deg);
}

.submenu-items {
    max-height: 1000px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.submenu-items.collapsed {
    max-height: 0;
}

/* 内容区域样式 */
.content {
    flex: 1;
    margin-left: 280px;
    padding: 60px 40px 40px 40px;
    max-width: calc(100% - 280px);
}

.page-title {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--text-color);
}

.doc-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    margin-bottom: 40px;
    transition: background-color 0.3s ease;
}

.doc-button:hover {
    background-color: var(--primary-hover);
}

.content-body {
    background-color: var(--content-bg);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 2px 8px var(--shadow-color);
    line-height: 1.8;
}

.content-body h1,
.content-body h2,
.content-body h3,
.content-body h4,
.content-body h5,
.content-body h6 {
    margin-top: 2em;
    margin-bottom: 1em;
    line-height: 1.4;
    font-weight: 600;
}

.content-body h1:first-child,
.content-body h2:first-child,
.content-body h3:first-child {
    margin-top: 0;
}

.content-body p {
    margin-bottom: 1.2em;
    line-height: 1.8;
}

.content-body ul,
.content-body ol {
    margin-bottom: 1.2em;
    padding-left: 2em;
}

.content-body li {
    margin-bottom: 0.5em;
    line-height: 1.7;
}

.content-body blockquote {
    margin: 1.5em 0;
    padding: 1em 1.5em;
    border-left: 4px solid var(--primary-color);
    background-color: var(--hover-bg);
    border-radius: 0 6px 6px 0;
    font-style: italic;
}

.section-title h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

/* 更新日志样式 */
.changelog-item {
    margin-bottom: 25px;
    border-left: 3px solid var(--primary-color);
    padding-left: 20px;
}

.version-header {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.version-content {
    list-style: none;
    padding-left: 0;
}

.version-content li {
    padding: 5px 0;
    color: var(--text-color);
    position: relative;
    padding-left: 20px;
}

.version-content li:before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* 链接样式 */
.link {
    color: var(--primary-color);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.3s ease;
}

.link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* 表格样式 */
.table-wrap {
    overflow-x: auto;
    margin: 20px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--content-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--table-header-bg);
    font-weight: bold;
    color: var(--text-color);
}

td {
    color: var(--text-color);
}

tr:nth-child(even) {
    background-color: var(--table-row-even);
}

tr:hover {
    background-color: var(--hover-bg);
}

/* 图片样式 */
img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
    cursor: pointer;
    transition: transform 0.3s ease;
}

img:hover {
    transform: scale(1.02);
}

.image-container {
    text-align: center;
    margin: 30px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .content {
        margin-left: 0;
        max-width: 100%;
        padding: 20px;
    }
    
    .header-right {
        gap: 10px;
    }
    
    .nav-item {
        padding: 6px 8px;
        font-size: 14px;
    }
    
    .page-title {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .content {
        padding: 15px;
    }
    
    .content-body {
        padding: 20px;
    }
    
    .page-title {
        font-size: 20px;
    }
    
    .header {
        padding: 0 15px;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content {
    animation: fadeIn 0.5s ease-out;
}

/* 代码块样式 */
.code-block {
    position: relative;
    margin: 20px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background: #1e1e1e;
    border: 1px solid #333;
}

.code-block pre {
    margin: 0;
    padding: 20px;
    background: #1e1e1e;
    color: #d4d4d4;
    font-family: 'Fira Code', 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.6;
    overflow-x: auto;
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.code-block code {
    background: transparent;
    color: #d4d4d4;
    padding: 0;
    border: none;
    font-weight: normal;
    font-size: 14px;
}

/* 内联代码样式 */
p code, li code, td code {
    background-color: var(--inline-code-bg);
    color: var(--inline-code-text);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    border: 1px solid var(--inline-code-border);
    font-family: 'Fira Code', 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-weight: 500;
}

/* 代码语法高亮 */
.code-block .hljs {
    display: block;
    overflow-x: auto;
    padding: 0;
    background: transparent;
    color: #d4d4d4;
}

/* 关键字 */
.code-block .hljs-keyword,
.code-block .hljs-selector-tag,
.code-block .hljs-built_in,
.code-block .hljs-name,
.code-block .hljs-tag {
    color: #569cd6;
    font-weight: bold;
}

/* 字符串 */
.code-block .hljs-string,
.code-block .hljs-title,
.code-block .hljs-section,
.code-block .hljs-attribute,
.code-block .hljs-literal,
.code-block .hljs-template-tag,
.code-block .hljs-template-variable,
.code-block .hljs-type,
.code-block .hljs-addition {
    color: #ce9178;
}

/* 注释 */
.code-block .hljs-comment,
.code-block .hljs-quote,
.code-block .hljs-deletion,
.code-block .hljs-meta {
    color: #6a9955;
    font-style: italic;
}

/* 数字 */
.code-block .hljs-number,
.code-block .hljs-regexp,
.code-block .hljs-symbol,
.code-block .hljs-variable,
.code-block .hljs-template-variable,
.code-block .hljs-link,
.code-block .hljs-selector-attr,
.code-block .hljs-selector-pseudo {
    color: #b5cea8;
}

/* 函数名 */
.code-block .hljs-function,
.code-block .hljs-title.function_,
.code-block .hljs-params {
    color: #dcdcaa;
}

/* 类名 */
.code-block .hljs-class,
.code-block .hljs-title.class_,
.code-block .hljs-title.class_.inherited__ {
    color: #4ec9b0;
}

/* 操作符 */
.code-block .hljs-operator,
.code-block .hljs-punctuation {
    color: #d4d4d4;
}

/* 属性 */
.code-block .hljs-property,
.code-block .hljs-attr {
    color: #9cdcfe;
}

/* 代码块语言标签 */
.code-block::before {
    content: attr(data-lang);
    position: absolute;
    top: 12px;
    right: 12px;
    background: #2d2d30;
    color: #cccccc;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.5px;
    border: 1px solid #3e3e3e;
    z-index: 10;
}

/* 当有复制按钮时，调整语言标签位置 */
.code-block:has(.code-copy-btn)::before {
    right: 80px;
}

/* 行号样式 */
.code-block .hljs-ln {
    border-collapse: collapse;
    width: 100%;
}

.code-block .hljs-ln td {
    padding: 0;
    border: none;
}

.code-block .hljs-ln-n {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    text-align: right;
    color: #858585;
    border-right: 1px solid #3e3e3e;
    vertical-align: top;
    padding-right: 12px;
    margin-right: 0;
    width: 40px;
    background: #1e1e1e;
    font-size: 13px;
}

.code-block .hljs-ln-code {
    padding-left: 16px;
    background: #1e1e1e;
}

/* 代码块行号计数器 */
.code-block pre {
    counter-reset: line-number;
}

.code-block pre code {
    counter-increment: line-number;
}

/* 为没有hljs-ln的代码块添加行号 */
.code-block pre code::before {
    content: counter(line-number);
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    text-align: right;
    color: #858585;
    font-size: 13px;
    line-height: 1.6;
    padding-right: 12px;
    border-right: 1px solid #3e3e3e;
    background: #1e1e1e;
    user-select: none;
}

/* 内联代码特殊样式 */
p code,
li code,
td code {
    background-color: var(--inline-code-bg);
    color: var(--inline-code-text);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
    border: 1px solid var(--inline-code-border);
}

/* 代码块复制按钮 */
.code-block .code-copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #2d2d30;
    color: #cccccc;
    border: 1px solid #3e3e3e;
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.code-block .code-copy-btn:hover {
    background: #3e3e3e;
    color: #ffffff;
    border-color: #007acc;
}

.code-block:hover .code-copy-btn {
    opacity: 1;
}

/* 旧版复制按钮样式（保持兼容性） */
.code-copy-btn {
    background: var(--copy-btn-hover-bg);
    color: var(--copy-btn-hover-text);
}

/* 数据指标表格样式 */
.data-indicators-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--content-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-color);
    margin: 20px 0;
}

.data-indicators-table th,
.data-indicators-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.6;
}

.data-indicators-table th {
    background-color: var(--table-header-bg);
    font-weight: 600;
    color: var(--text-color);
    font-size: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-indicators-table td {
    color: var(--text-color);
    font-size: 14px;
    vertical-align: top;
}

.data-indicators-table td:first-child {
    font-weight: 500;
    color: var(--primary-color);
    white-space: nowrap;
    min-width: 150px;
}

.data-indicators-table td:nth-child(2) {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    background-color: var(--code-bg);
    color: var(--syntax-number);
    font-weight: 500;
    text-align: center;
    min-width: 120px;
}

.data-indicators-table td:last-child {
    max-width: 400px;
    word-wrap: break-word;
    line-height: 1.7;
}

.data-indicators-table tr:nth-child(even) {
    background-color: var(--table-row-even);
}

.data-indicators-table tr:hover {
    background-color: var(--hover-bg);
    transition: background-color 0.3s ease;
}

/* 更新信息样式 */
.update-info {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.update-info p {
    text-align: right;
    margin: 0;
    font-size: 14px;
}

/* 响应式表格 */
@media (max-width: 768px) {
    .data-indicators-table {
        font-size: 12px;
    }
    
    .data-indicators-table th,
    .data-indicators-table td {
        padding: 12px 8px;
    }
    
    .data-indicators-table td:first-child {
        min-width: 100px;
    }
    
    .data-indicators-table td:nth-child(2) {
        min-width: 80px;
    }
}