/* ------------------
 * 全局样式（@import 必须放在最前面）
 * --------------- */
@import url("//static-lab.6os.net/MapleMono-NF-CN/7.900/result.css");
@import url("//static-lab.6os.net/DreamHanSerifCN/3.02/W8/result.css");
@import url("//static-lab.6os.net/noto-color-emoji/1/result.css");

/* ------------------
 * 阅读进度条样式
 * --------------- */
.reading-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--link-color), #5a9fff);
    z-index: 9999;
    transition: width 0.1s ease-out;
}

.reading-progress-bar.hidden {
    display: none;
}

:root {
    --bg-color: #FFFFFF;
    --text-color: #333333;
    --link-color: #3354AA;
    --secondary-color: #999999;
    --border-color: #EEEEEE;
    --muted-color: #F5F5F5;
    --body-font-famliy: "Dream Han Serif CN W8","Noto Color Emoji","Helvetica Neue",Helvetica,Arial,sans-serif;
    --code-font-famliy: "Maple Mono NF CN","Noto Color Emoji","Helvetica Neue",Helvetica,Arial,sans-serif
}

[theme-mode="dark"] {
    --bg-color: #1E1E1E;
    --text-color: #A6A6A6;
    --link-color: #6B92C7;
    --secondary-color: #999999;
    --border-color: #383838;
    --muted-color: #2D2D2D
}

[theme-mode="read"] {
    --bg-color: #F2F1EA;
    --text-color: #474135;
    --link-color: #4F6D96;
    --secondary-color: #594833;
    --border-color: #E8E6DE;
    --muted-color: #EBE9E0
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--body-font-famliy)
}

@media (max-width:768px) {
    body {
        font-size: 90%
    }
}

a {
    color: var(--link-color);
    text-decoration: none
}

a:active {
    color: var(--text-color)
}

/* 代码字体设置 - 只应用于pre和行内code，不影响pre内的code */
pre {
    font-family: var(--code-font-famliy);
    font-size: .92857em;
    tab-size: 4;
    overflow: auto;
    max-height: 400px
}

/* 行内代码样式（显式列举，避免误伤 .code-block-wrapper 内代码块） */
.post-content p > code,
.post-content li > code,
.post-content td > code,
.post-content th > code,
.post-content blockquote > code,
.post-content h1 > code,
.post-content h2 > code,
.post-content h3 > code,
.post-content h4 > code,
.post-content h5 > code,
.post-content h6 > code {
    font-family: var(--code-font-famliy);
    font-size: .92857em;
    padding: 2px 6px;
    color: #C7254E;
    background-color: #F9F2F4;
    border-radius: 3px
}

[theme-mode="dark"] .post-content p > code,
[theme-mode="dark"] .post-content li > code,
[theme-mode="dark"] .post-content td > code,
[theme-mode="dark"] .post-content th > code,
[theme-mode="dark"] .post-content blockquote > code,
[theme-mode="dark"] .post-content h1 > code,
[theme-mode="dark"] .post-content h2 > code,
[theme-mode="dark"] .post-content h3 > code,
[theme-mode="dark"] .post-content h4 > code,
[theme-mode="dark"] .post-content h5 > code,
[theme-mode="dark"] .post-content h6 > code {
    color: #E8A0A8;
    background-color: #282C34
}

[theme-mode="read"] .post-content p > code,
[theme-mode="read"] .post-content li > code,
[theme-mode="read"] .post-content td > code,
[theme-mode="read"] .post-content th > code,
[theme-mode="read"] .post-content blockquote > code,
[theme-mode="read"] .post-content h1 > code,
[theme-mode="read"] .post-content h2 > code,
[theme-mode="read"] .post-content h3 > code,
[theme-mode="read"] .post-content h4 > code,
[theme-mode="read"] .post-content h5 > code,
[theme-mode="read"] .post-content h6 > code {
    color: #8B5A5A;
    background-color: #E8E2D8
}

/* 代码块内的code元素 - 强制重置行内代码样式 */
.post-content pre code {
    font-family: var(--code-font-famliy);
    font-size: inherit;
    padding: 0;
    background-color: transparent !important;
    color: inherit !important;
    border-radius: 0;
    white-space: pre;
    word-break: normal;
    overflow-wrap: normal
}

/* 纯文本代码块也使用等宽字体，避免回退为正文字体 */
.post-content pre code.language-plaintext {
    font-family: var(--code-font-famliy);
    background-color: transparent !important;
    color: inherit !important;
    white-space: pre;
    word-break: normal;
    overflow-wrap: normal
}

blockquote {
    margin: 1em 0;
    padding-left: 1em;
    border-left: 4px solid var(--border-color);
    color: #666
}

table {
    width: 100%;
    border-collapse: collapse;
    display: block;
    overflow-x: auto;
    text-align: left
}

table th,table td {
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    white-space: nowrap
}

table th {
    background-color: var(--muted-color)
}

input[type="text"],input[type="email"],input[type="url"],input[type="password"],textarea {
    padding: 5px;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    background-color: var(--bg-color);
    width: 100%;
    border-radius: 2px;
    box-sizing: border-box
}

textarea {
    resize: vertical
}

button,input[type=submit] {
    padding: 9px 11px 9px 11px;
    border: none;
    color: var(--text-color);
    background-color: var(--border-color);
    cursor: pointer
}

button:hover,input[type=submit]:hover {
    background-color: var(--border-color)
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px
}

::-webkit-scrollbar-track {
    background-color: transparent
}

::-webkit-scrollbar-thumb {
    background-color: rgba(150, 150, 150, 0.3);
    border-radius: 3px;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.1);
    transition: all 0.2s
}

::-webkit-scrollbar-thumb:hover {
    background-color: rgba(100, 100, 100, 0.6);
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.2)
}

::-webkit-scrollbar-corner {
    background-color: transparent
}

.container-md {
    width: auto!important
}

/* ------------------
 * 导航区样式
 * --------------- */
#header {
    padding-top: 2em;
    border-bottom: 1px solid var(--border-color)
}

#logo {
    color: var(--text-color);
    font-size: 2.5em
}

.description {
    margin: 1em 0 0;
    color: var(--secondary-color)
}

#nav-menu {
    padding: 0 2px;
    margin: 2em 0 0;
    white-space: nowrap;
    overflow: hidden;
    overflow-x: auto
}

#nav-menu a {
    float: none;
    display: inline-block;
    margin: 0 -2px;
    padding: 0 20px;
    border: 1px solid var(--border-color);
    border-bottom: none;
    height: 32px;
    line-height: 32px;
    color: var(--text-color)
}

#search {
    display: inline-block;
    height: 28px;
    position: relative;
    margin-top: 15px
}

#search input {
    padding-right: 50px;
    height: 28px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color)
}

#search .search-shortcut-hint {
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    color: var(--secondary-color);
    pointer-events: none;
    font-family: var(--body-font-famliy);
    background: transparent;
    padding: 0;
}

#search input {
    padding-left: 24px;
}

#search button {
    position: absolute;
    right: 4px;
    top: 2px;
    border: none;
    padding: 0;
    width: 24px;
    height: 24px;
    background: transparent url(../images/icon-search.png) no-repeat center center;
    direction: ltr;
    text-indent: -9999em
}

#themeMode-selector {
    display: inline-block
}

#themeMode-selector #themeMode {
    height: 28px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color)
}

@media (-webkit-min-device-pixel-ratio:2),(min-resolution:192dpi) {
    #search button {
        background-image: url(../images/icon-search@2x.png);
        -webkit-background-size: 24px 24px;
        -moz-background-size: 24px 24px;
        -o-background-size: 24px 24px;
        background-size: 24px 24px
    }
}

@media (max-width:768px) {
    #header {
        text-align: center
    }
}

@media (min-width: 768px) {
    .site-helper {
        text-align: right
    }
}

/* ------------------
 * 文章内容页样式
 * --------------- */
.post {
    position: relative;
    padding: 1.5em 0 2em;
    border-bottom: 1px solid var(--border-color)
}

.post-title {
    margin: .83em 0;
    font-size: 1.4em;
    line-height: 1.5;
    word-wrap: break-word;
    word-break: break-all
}

.post-meta {
    padding: 0;
    color: var(--secondary-color);
    font-size: .92857em
}

.post-meta li {
    display: inline;
    margin-right: 5px;
    line-height: 1.5
}

.post-meta .post-meta-separator {
    display: inline;
    color: var(--secondary-color)
}

.post-meta li:last-child.post-meta-separator {
    display: none
}

.post-summary {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: clip;
    text-overflow: ellipsis;
    width: 100%;
    line-height: 1.8;
    word-wrap: break-word;
    word-break: break-all
}

.post-content {
    line-height: 1.8;
    word-wrap: break-word;
    word-break: break-all
}

.post-content * {
    margin: 0
}

.post-content h1 {
    font-size: 1.4em;
    padding-top: 2em;
    padding-bottom: 1.2em;
    font-weight: 700;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 0.8em;
    position: relative;
    gap: 0.5em;
    margin-left: 0
}

.post-content h1::before {
    content: '';
    width: 4px;
    align-self: stretch;
    flex-shrink: 0;
    background-color: var(--link-color);
    border-radius: 2px
}

.post-content h2 {
    font-size: 1.25em;
    padding-top: 1.5em;
    padding-bottom: 0.8em;
    padding-left: 0;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 1px dashed var(--border-color);
    margin-bottom: 0.6em;
    margin-left: 0
}

.post-content h3 {
    font-size: 1.1em;
    padding-top: 1.2em;
    padding-bottom: 0.6em;
    padding-left: 0;
    font-weight: 600;
    color: var(--text-color);
    margin-left: 0
}

.post-content h4 {
    font-size: 1.05em;
    padding-top: 1em;
    padding-bottom: 0.5em;
    padding-left: 0;
    font-weight: 600;
    color: var(--secondary-color);
    margin-left: 0
}

.post-content h5, .post-content h6 {
    font-size: 1em;
    padding-top: 0.8em;
    padding-bottom: 0.4em;
    padding-left: 0;
    font-weight: 500;
    color: var(--secondary-color);
    margin-left: 0
}

.post-content h1:first-child,.post-content h2:first-child,.post-content h3:first-child,.post-content h4:first-child {
    padding-top: 0
}

.post-content h1 + h2 {
    padding-top: 0.8em
}

.post-content h2 + h3 {
    padding-top: 0.6em
}

.post-content p {
    padding-bottom: 0.6em
}

.post-content ul,.post-content ol {
    padding-left: 0;
    padding-bottom: 0.6em;
    margin-left: 1em!important
}

.post-content ul li,.post-content ol li {
    padding-bottom: 0.2em
}

.post-content ul li:last-child,.post-content ol li:last-child {
    padding-bottom: 0
}

.post-content p:has(+ ul),.post-content p:has(+ ol) {
    padding-bottom: 0.2em
}

.post-content p:has(img) {
    padding-bottom: 1em;
    margin-top: -0.2em
}

.post-content p a[data-fancybox="gallery"] {
    display: flex;
    width: fit-content
}

.post-content img {
    box-sizing: border-box;
    border: 1px dashed var(--border-color);
    padding: 4px;
    max-width: 100%;
    max-height: 80vh !important
}

.post-content blockquote {
    margin-bottom: 1em;
    margin-top: -0.2em
}

.post-content table {
    margin-bottom: 1em;
    margin-top: -0.2em
}

.post-content .protected input[type=submit] {
    margin-top: 1em
}

.post-content hr {
    border-top: none;
    border-bottom: 1px dashed var(--border-color);
    margin-top: 0.4em;
    margin-bottom: 1em
}

.post-content pre {
    margin-bottom: 1em;
    margin-top: -0.2em;
    white-space: pre;
    word-break: normal;
    overflow-wrap: normal
}

.post-near {
    list-style: none;
    overflow-x: hidden;
    margin: 4em 0 -1em 0;
    padding: 0
}

.post-near li {
    white-space: nowrap;
    width: 100%;
    overflow-x: clip;
    text-overflow: ellipsis;
    margin: 10px 0
}

.post-statement {
    font-size: .85em;
    line-height: 1.8;
    color: var(--secondary-color);
    background-color: var(--muted-color);
    padding: 12px;
    margin-top: 5em;
    margin-bottom: -3em;
    word-break:break-all;
    white-space:normal;
}

/* ------------------
 * 评论区样式
 * --------------- */
#comments {
    margin-top: 2em
}

#comments>h3:first-of-type {
    margin-top: 2em
}

.comment-list,.comment-list ol {
    list-style: none;
    margin: 0;
    padding: 0
}

.comment-list li {
    padding: 14px;
    margin-top: 10px;
    border: 1px solid var(--border-color)
}

.comment-list li.comment-level-odd {
    background-color: var(--muted-color)
}

.comment-list li.comment-level-even {
    background-color: var(--bg-color)
}

.comment-list li .comment-reply {
    text-align: right
}

.comment-list li .author-tag {
    background-color: #CC0000;
    color: #E0E0E0;
    padding: 2px 5px;
    margin-left: 5px;
    border-radius: 2px;
    font-size: 50%
}

.comment-meta {
    font-size: .92857em
}

.comment-meta a {
    color: var(--link-color)
}

.comment-author {
    display: block;
    margin-bottom: 3px;
    color: var(--text-color)
}

.comment-author .avatar {
    float: left;
    margin-right: 10px
}

.comment-author cite {
    font-weight: bold;
    font-style: normal
}

.comment-list .respond {
    margin-top: 15px;
    border-top: 1px solid var(--border-color)
}

.respond .cancel-comment-reply {
    float: right;
    margin-top: 15px
}

.comment-list li p {
    line-height: 1.8;
    margin-bottom: 0
}

#comment-form label {
    display: block;
    margin-bottom: .5em;
    font-weight: bold
}

#comment-form .required:after {
    content: " *";
    color: #C00
}

/* ------------------
 * 归档页样式
 * --------------- */
.archive-title {
    margin: 1em 0 -1em;
    padding-top: 20px;
    color: var(--secondary-color);
    font-size: 1em
}

/* ------------------
 * 分页区样式
 * --------------- */
.page-navigator {
    list-style: none;
    margin: 25px 0;
    padding: 0;
    text-align: center
}

.page-navigator li {
    display: inline-block;
    margin: 0 4px
}

.page-navigator a {
    display: inline-block;
    padding: 0 10px;
    height: 30px;
    line-height: 30px
}

.page-navigator .current a {
    color: var(--text-color);
    background-color: var(--border-color)
}

/* ------------------
 * 侧栏区样式
 * --------------- */
#sidebar {
    padding-top: 15px;
    word-wrap: break-word
}

@media (min-width: 768px) {
    #sidebar {
        padding-left: 2em
    }
}

.widget {
    margin-bottom: 50px
}

.widget-list {
    overflow-x: hidden;
    list-style: none;
    padding: 0
}

.widget-list li {
    margin: 5px 0;
    display: inline-block;
    white-space: nowrap;
    width: 100%;
    overflow-x: clip;
    text-overflow: ellipsis
}

.widget-list li ul {
    margin-left: 15px
}

.widget-list > a {
    margin-right: 1em;
    line-height: 1.8;
    display: inline-block;
    white-space: nowrap;
    max-width: 100%;
    overflow-x: clip;
    text-overflow: ellipsis
}

/* ------------------
 * 底栏区样式
 * --------------- */
#footer {
    margin-top: 3em;
    padding: 2em 0;
    line-height: 1.5;
    text-align: center;
    color: var(--secondary-color);
    border-top: 1px solid var(--border-color)
}

.footer-powered {
    margin-top: 0.5em;
}

.footer-powered a {
    color: var(--link-color);
}

.beian-strip {
    margin-top: 0.5em;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    font-size: 12px;
    flex-wrap: wrap;
}

.beian-strip a {
    color: var(--secondary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.3s;
}

.beian-strip a:hover {
    color: var(--text-color);
}

.beian-strip img {
    width: 14px;
    height: 14px;
}

.beian-strip .divider {
    opacity: 0.3;
}

@media (max-width: 600px) {
    .beian-strip {
        font-size: 11px;
        gap: 12px;
    }
}

/* ------------------
 * 悬浮工具区样式
 * --------------- */
.minitool-group {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 12px
}

.minitool-group .vertical-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-size: 20px;
    outline: none;
    color: var(--text-color);
    background-color: var(--border-color);
    position: relative;
    transition: all 0.2s ease
}

.minitool-group .vertical-btn:hover {
    background-color: var(--link-color);
    color: #fff;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15)
}

/* 按钮tooltip */
.minitool-group .vertical-btn::before {
    content: attr(data-tooltip);
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background-color: #333;
    color: #fff;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    font-family: var(--body-font-famliy);
    font-weight: normal
}

.minitool-group .vertical-btn::after {
    content: '';
    position: absolute;
    right: calc(100% + 4px);
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: #333;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease
}

.minitool-group .vertical-btn:hover::before,
.minitool-group .vertical-btn:hover::after {
    opacity: 1;
    visibility: visible
}

/* 暗色模式tooltip适配 */
[theme-mode="dark"] .minitool-group .vertical-btn::before {
    background-color: #1a1a1a;
    border: 1px solid #333
}

[theme-mode="dark"] .minitool-group .vertical-btn::after {
    border-left-color: #1a1a1a
}

[theme-mode="read"] .minitool-group .vertical-btn::before {
    background-color: #474135;
    border: 1px solid #5a4f42
}

[theme-mode="read"] .minitool-group .vertical-btn::after {
    border-left-color: #474135
}

.minitool-group .toc-minitool {
    display: none
}

.minitool-group .top-minitool {
    opacity: 0;
    transition: all 300ms ease-in-out
}

.minitool-group .themeMode-minitool .bi-sun {
    display: none
}

.minitool-group .themeMode-minitool .bi-moon-stars {
    display: none
}

.minitool-group .themeMode-minitool .bi-book {
    display: none
}

[theme-mode=""] .minitool-group .themeMode-minitool .bi-sun,
[theme-mode="light"] .minitool-group .themeMode-minitool .bi-sun {
    display: block
}

[theme-mode="dark"] .minitool-group .themeMode-minitool .bi-moon-stars {
    display: block
}

[theme-mode="read"] .minitool-group .themeMode-minitool .bi-book {
    display: block
}

/* ------------------
 * TOC区样式
 * --------------- */
/* 滑出式侧边栏（窄屏使用） */
.toc-panel {
    position: fixed;
    right: 0;
    top: 0;
    height: 100%;
    width: 280px;
    background-color: var(--bg-color);
    box-shadow: -4px 0 6px -1px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 400ms ease-in-out;
    z-index: 100;
    padding: 24px;
    box-sizing: border-box;
    overflow-y: auto;
    border-left: 1px solid var(--border-color);
}

.toc-panel.active {
    transform: translateX(0)
}

/* 宽屏时隐藏滑出面板和遮罩 */
@media (min-width: 769px) {
    .toc-panel {
        display: none !important;
    }
    
    .toc-overlay {
        display: none !important;
    }
    
    .minitool-group .toc-minitool {
        display: none !important;
    }
}

.toc-panel .toc-header {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toc-panel h3 {
    margin: 0
}

.toc-panel .toc-close {
    padding: 0;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--secondary-color);
    transition: color 0.2s ease;
}

.toc-panel .toc-close:hover {
    color: var(--text-color);
}

.toc-panel .toc-list:not(:has(.has-children)) .toc-item,
.sidebar-toc-panel .toc-list:not(:has(.has-children)) .toc-item {
    margin-left: 0
}

.toc-panel .toc-list, .toc-panel .toc-sublist,
.sidebar-toc-panel .toc-list, .sidebar-toc-panel .toc-sublist {
    margin: 0;
    padding: 0;
    list-style: none
}

.toc-panel .toc-sublist,
.sidebar-toc-panel .toc-sublist {
    padding-left: 18px;
    display: block
}

.toc-panel .toc-item,
.sidebar-toc-panel .toc-item {
    margin: 6px 0;
    padding: 4px 8px;
    font-size: 0.9em;
    color: var(--text-color);
    cursor: pointer;
    white-space: nowrap;
    max-width: 100%;
    overflow-x: clip;
    text-overflow: ellipsis;
    border-radius: 4px;
    transition: all 0.15s ease;
}

.toc-panel .toc-item:hover,
.sidebar-toc-panel .toc-item:hover {
    background-color: var(--muted-color);
}

.toc-panel .toc-toggle,
.sidebar-toc-panel .toc-toggle {
    margin-right: 8px;
    vertical-align: -0.125em
}

.toc-panel .toc-toggle svg,
.sidebar-toc-panel .toc-toggle svg {
    transition: transform 0.3s ease;
    transform: rotate(0deg)
}

.toc-panel .toc-item:not(.collapsed) .toc-toggle svg,
.sidebar-toc-panel .toc-item:not(.collapsed) .toc-toggle svg {
    transform: rotate(90deg)
}

.toc-panel .toc-item.toc-active,
.sidebar-toc-panel .toc-item.toc-active {
    color: var(--link-color);
    font-weight: 600;
    background-color: rgba(51, 84, 170, 0.1);
}

[theme-mode="dark"] .toc-panel .toc-item.toc-active,
[theme-mode="dark"] .sidebar-toc-panel .toc-item.toc-active {
    background-color: rgba(107, 146, 199, 0.15);
}

[theme-mode="read"] .toc-panel .toc-item.toc-active,
[theme-mode="read"] .sidebar-toc-panel .toc-item.toc-active {
    background-color: rgba(79, 109, 150, 0.12);
}

.toc-panel .toc-item.collapsed + .toc-sublist,
.sidebar-toc-panel .toc-item.collapsed + .toc-sublist {
    display: none
}

.toc-panel .toc-item:not(.has-children),
.sidebar-toc-panel .toc-item:not(.has-children) {
    margin-left: 20px
}

.toc-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 30;
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms ease-in-out
}

.toc-overlay.active {
    opacity: 1;
    pointer-events: auto
}

/* 侧边栏内嵌目录面板样式 */
.sidebar-toc-panel {
    margin-bottom: 50px;
    background-color: var(--muted-color);
    padding: 24px;
    box-sizing: border-box;
    border-radius: 4px;
    /* 宽屏下使用粘性定位，确保滚动时目录始终可见 */
    position: sticky;
    top: 10px;
    /* 目录长时可以滚动 */
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.sidebar-toc-panel .toc-header {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    position: sticky;
    top: -24px;
    background-color: var(--muted-color);
    padding: 0 0 24px 0;
    margin: -24px -24px 24px -24px;
    padding: 24px 24px 0 24px;
    z-index: 1;
}

.sidebar-toc-panel h3 {
    margin: 0;
}

.sidebar-toc-panel .toc-container {
    /* 目录内容可滚动 */
    max-height: none;
    overflow-y: visible;
}

/* 窄屏滑出面板的目录滚动 */
.toc-panel {
    overflow-y: auto;
}

.toc-panel .toc-container {
    /* 目录内容可滚动 */
    max-height: none;
}

/* 文章详情页底部侧边栏内容样式 */
.post-sidebar-bottom {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 3em;
    margin-bottom: 3em;
    padding-top: 2em;
    border-top: 1px solid var(--border-color);
}

.post-sidebar-bottom .widget {
    margin-bottom: 0;
}

.post-sidebar-bottom .widget-title {
    margin-bottom: 10px;
}

/* 窄屏时隐藏常驻按钮（只显示在窄屏面板中） */
@media (max-width: 768px) {
    .toc-panel .toc-pin-btn {
        display: inline-flex;
    }
    
    /* 宽屏时隐藏常驻按钮 */
    .sidebar-toc-panel .toc-pin-btn,
    .sidebar-toc-panel .toc-header-actions {
        display: none !important;
    }
    
    /* 窄屏时底部侧边栏单列显示 */
    .post-sidebar-bottom {
        grid-template-columns: 1fr;
    }
}

/* 宽屏时隐藏常驻按钮，但保留全部展开/折叠按钮 */
@media (min-width: 769px) {
    .sidebar-toc-panel .toc-pin-btn {
        display: none !important;
    }
    
    /* 宽屏时显示全部展开/折叠按钮 */
    .sidebar-toc-panel .toc-toggle-all-btn {
        display: inline-flex !important;
    }
    
    /* 宽屏时侧边栏目录头部样式 */
    .sidebar-toc-panel .toc-header-actions {
        display: flex;
        align-items: center;
        gap: 4px;
        margin-left: auto;
    }
    
    .sidebar-toc-panel .toc-action-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        padding: 0;
        border: 1px solid var(--border-color);
        background: var(--bg-color);
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.15s ease;
        color: var(--secondary-color);
    }
    
    .sidebar-toc-panel .toc-action-btn:hover {
        background-color: var(--muted-color);
        color: var(--link-color);
        border-color: var(--link-color);
    }
    
    .sidebar-toc-panel .toc-action-btn:active {
        transform: scale(0.95);
    }
    
    .sidebar-toc-panel .toc-action-btn svg {
        width: 14px;
        height: 14px;
    }
    
    .sidebar-toc-panel .toc-toggle-all-btn.expanded {
        color: var(--link-color);
        background-color: rgba(51, 84, 170, 0.1);
        border-color: var(--link-color);
    }
    
    [theme-mode="dark"] .sidebar-toc-panel .toc-toggle-all-btn.expanded {
        background-color: rgba(107, 146, 199, 0.15);
    }
    
    [theme-mode="read"] .sidebar-toc-panel .toc-toggle-all-btn.expanded {
        background-color: rgba(79, 109, 150, 0.12);
    }
}

/* ------------------
 * 时间轴样式
 * --------------- */
.timeline .timeline-toggle {
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-right: 5px;
    vertical-align: -0.125em;
    transition: transform 0.3s ease
}

.timeline .month-header.expanded .timeline-toggle,
.timeline .year-header.expanded .timeline-toggle {
    transform: rotate(90deg)
}

.timeline .year-header {
    tap-highlight-color: transparent;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
    padding-bottom: .6em
}

.timeline .month-header {
    tap-highlight-color: transparent;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
    padding-bottom: .6em;
    padding-left: 1em
}

.timeline .month-content {
    padding-left: 2em;
}

.timeline .month-content ul {
    list-style: circle;
}

.timeline .month-content ul li {
    list-style-position: inside;
    white-space: nowrap;
    width: 100%;
    overflow-x: hidden;
    text-overflow: ellipsis;
}

.timeline .month-content ul li:last-of-type {
    padding-bottom: 0;
}

.timeline .timeline-item {
    padding-bottom: .6em
}

.timeline .hidden {
    display: none;
}

/* ------------------
 * 错误页样式
 * --------------- */
.error-page {
    margin-top: 100px;
    margin-bottom: 100px
}

.error-page h2 {
    text-align: center
}

/* ------------------
 * highlight样式
 * --------------- */
.hljs {
    color: #383A42;
    background-color: #FAFAFA
}

pre code.hljs {
    overflow-x: visible!important
}

/* 强制 fenced code block（```）使用独立配色，避免被行内 code 覆盖 */
.post-content pre,
.post-content pre code,
.post-content pre code.hljs,
.post-content pre.hljs {
    background-color: #FAFAFA !important;
    color: #383A42 !important
}

[theme-mode="dark"] .post-content pre,
[theme-mode="dark"] .post-content pre code,
[theme-mode="dark"] .post-content pre code.hljs,
[theme-mode="dark"] .post-content pre.hljs {
    background-color: #282C34 !important;
    color: #ABB2BF !important
}

[theme-mode="read"] .post-content pre,
[theme-mode="read"] .post-content pre code,
[theme-mode="read"] .post-content pre code.hljs,
[theme-mode="read"] .post-content pre.hljs {
    background-color: #F4F1E8 !important;
    color: #5B5247 !important
}

/* ------------------
 * nprogress样式
 * --------------- */
#nprogress .bar {
    background: var(--link-color)!important
}

#nprogress .spinner-icon {
    border-top-color: var(--link-color)!important;
    border-left-color: var(--link-color)!important
}

/* ------------------
 * 放映模式样式
 * --------------- */
.playback .post-content img {
    max-height: 80vh !important
}

.playback .post-content pre {
    max-height: 100% !important
}

/* ------------------
 * 代码块复制按钮样式
 * --------------- */
.code-block-wrapper {
    position: relative;
    margin-bottom: 1em;
    margin-top: -0.2em
}

.code-block-wrapper pre {
    margin-bottom: 0;
    margin-top: 0;
    padding-top: 1em;
    padding-bottom: 1em
}

.code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 8px;
    font-size: 12px;
    color: var(--text-color);
    background-color: var(--muted-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease, background-color 0.2s ease;
    font-family: var(--body-font-famliy);
    z-index: 10
}

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

.code-copy-btn:hover {
    background-color: var(--border-color)
}

.code-copy-btn.copied {
    color: #28a745;
    border-color: #28a745
}

/* ------------------
 * Markdown 原文复制按钮样式
 * --------------- */
.post-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.md-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    font-size: 12px;
    font-family: var(--body-font-famliy);
    color: var(--secondary-color);
    background-color: var(--muted-color);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: auto;
}

.md-copy-btn:hover {
    color: var(--link-color);
    background-color: var(--bg-color);
    border-color: var(--link-color);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.md-copy-btn:active {
    transform: scale(0.95);
}

.md-copy-btn svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.md-copy-btn.copied {
    color: #28a745;
    background-color: rgba(40, 167, 69, 0.1);
    border-color: rgba(40, 167, 69, 0.35);
}

.md-copy-btn.copied .check-icon {
    color: #28a745;
}

/* 暗色模式适配 */
[theme-mode="dark"] .md-copy-btn {
    background-color: #2d2d2d;
    border-color: #3d3d3d;
    color: #a0a0a0;
}

[theme-mode="dark"] .md-copy-btn:hover {
    border-color: #6B92C7;
    background-color: #3d3d3d;
    color: #e0e0e0;
}

[theme-mode="dark"] .md-copy-btn.copied {
    background-color: rgba(40, 167, 69, 0.15);
    border-color: rgba(40, 167, 69, 0.4);
    color: #5cdb7d;
}

/* 护眼模式适配 */
[theme-mode="read"] .md-copy-btn {
    background-color: #e8e6de;
    border-color: #dcdad2;
}

[theme-mode="read"] .md-copy-btn:hover {
    background-color: #dcdad2;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .md-copy-btn {
        margin-top: 8px;
        padding: 4px 10px;
        font-size: 11px;
    }
    
    .md-copy-btn svg {
        width: 12px;
        height: 12px;
    }
}

/* ------------------
 * 标题折叠功能样式
 * --------------- */
.post-content .heading-collapse-toggle {
    display: inline-block;
    width: 4px;
    height: 1.2em;
    margin-right: 12px;
    margin-left: 4px;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.2s ease;
    vertical-align: middle;
    position: relative;
    flex-shrink: 0;
}

.post-content h1 .heading-collapse-toggle {
    height: 1.4em;
}

.post-content h2 .heading-collapse-toggle {
    height: 1.25em;
}

.post-content h3 .heading-collapse-toggle {
    height: 1.1em;
}

.post-content .heading-collapse-toggle:hover {
    width: 6px;
    opacity: 0.8;
}

.post-content .heading-collapse-toggle::after {
    content: attr(data-level);
    position: absolute;
    right: 100%;
    margin-right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: var(--secondary-color);
    opacity: 0;
    transition: opacity 0.2s ease;
    white-space: nowrap;
    pointer-events: none;
}

.post-content .heading-collapse-toggle:hover::after {
    content: 'H' attr(data-level);
    opacity: 1;
}

.post-content .heading-content-wrapper {
    overflow: hidden;
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
    max-height: 2000px;
    opacity: 1;
}

.post-content .heading-content-wrapper.collapsed {
    max-height: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
}

/* 确保h1标题的竖条与文字垂直居中对齐 */
.post-content h1 {
    display: flex;
    align-items: baseline;
}

/* 暗色模式适配 */
[theme-mode="dark"] .post-content .heading-collapse-toggle {
    background-color: #2d2d2d;
    border-color: #3d3d3d;
}

[theme-mode="dark"] .post-content .heading-collapse-toggle:hover {
    background-color: #3d3d3d;
}

/* 护眼模式适配 */
[theme-mode="read"] .post-content .heading-collapse-toggle {
    background-color: #e8e6de;
    border-color: #dcdad2;
}

[theme-mode="read"] .post-content .heading-collapse-toggle:hover {
    background-color: #dcdad2;
}

/* ------------------
 * TOC面板扩展按钮样式
 * --------------- */
.toc-panel .toc-header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.toc-panel .toc-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    color: var(--secondary-color);
}

.toc-panel .toc-action-btn:hover {
    background-color: var(--muted-color);
    color: var(--link-color);
    border-color: var(--link-color);
}

.toc-panel .toc-action-btn:active {
    transform: scale(0.95);
}

.toc-panel .toc-action-btn svg {
    width: 14px;
    height: 14px;
}

.toc-panel .toc-pin-btn.pinned {
    color: var(--link-color);
    background-color: rgba(51, 84, 170, 0.1);
    border-color: var(--link-color);
}

.toc-panel .toc-toggle-all-btn.expanded {
    color: var(--link-color);
    background-color: rgba(51, 84, 170, 0.1);
    border-color: var(--link-color);
}

/* 目录面板按钮tooltip */
.toc-panel .toc-action-btn[title] {
    position: relative;
}