:root {
    --blog-primary-color: hsl(200, 69%, 61%);
    --blog-primary-color-alt: hsl(200, 57%, 53%);
    --blog-title-color: hsl(200, 8%, 15%);
    --blog-text-color: hsl(200, 8%, 35%);
    --blog-text-color-light: hsl(200, 8%, 65%);
    --blog-input-color: hsl(200, 70%, 96%);
    --blog-body-color: hsl(200, 60%, 99%);
    --blog-container-color: #fff;
    --blog-scroll-bar-color: hsl(200, 12%, 90%);
    --blog-scroll-thumb-color: hsl(200, 12%, 80%);
    /* 添加RGB格式方便透明度设置 */
    --blog-primary-color-rgb: 77, 171, 207;
    --blog-text-color-light-rgb: 160, 170, 180;

    /* 定义布局变量方便调整和响应式处理 */
    --sidebar-width: 20%;
    --content-width: 60%;
    --content-max-width: 900px;
    --sidebar-min-width: 250px;
}

/* 暗黑模式变量 */
body.dark-theme {
    --blog-title-color: hsl(200, 8%, 95%);
    --blog-text-color: hsl(200, 8%, 75%);
    --blog-body-color: hsl(200, 28%, 12%);
    --blog-container-color: hsl(200, 29%, 16%);
    --blog-scroll-bar-color: hsl(200, 12%, 48%);
    --blog-scroll-thumb-color: hsl(200, 12%, 36%);
    /* 添加暗色主题对应的RGB变量 */
    --blog-primary-color-rgb: 77, 171, 207;
    --blog-text-color-light-rgb: 160, 170, 180;
}

body {
    background-color: var(--blog-body-color);
    color: var(--blog-text-color);
    transition: .5s;
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
}

/* 重写博客容器布局 - 块级布局而非网格 */
.blog-container {
    position: relative;
    max-width: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 2rem 0;
}

/* 左侧栏样式 */
.sidebar {
    position: fixed;
    top: 2rem;
    left: 2%;
    width: var(--sidebar-width);
    max-width: var(--sidebar-min-width);
    height: calc(100vh - 4rem);
    background-color: var(--blog-container-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    overflow-y: auto;
    z-index: 10;
    transition: margin-left 0.3s ease;
}

/* 侧边栏收起状态 */
.blog-container.sidebar-collapsed .sidebar {
    margin-left: -280px;
}

.profile {
    text-align: center;
    margin-bottom: 2rem;
}

.profile-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    overflow: hidden;
    border: 3px solid var(--blog-primary-color);
}

.profile-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-name {
    font-size: 1.25rem;
    color: var(--blog-title-color);
    margin-bottom: 0.5rem;
}

.profile-bio {
    font-size: 0.875rem;
    color: var(--blog-text-color-light);
}

.nav-menu ul {
    list-style: none;
    padding: 0;
}

.nav-menu a {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    color: var(--blog-text-color);
    text-decoration: none;
    font-size: 1rem;
    transition: 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--blog-primary-color);
}

.nav-menu i {
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

/* 侧边栏切换按钮样式 - 精确对齐 */
.sidebar-toggle {
    position: fixed;
    /* 使用clientWidth动态计算位置 */
    left: 0; /* 初始位置 */
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 40px;
    background-color: var(--blog-primary-color);
    border-radius: 0 4px 4px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    box-shadow: 1px 0 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.sidebar-toggle i {
    color: #fff;
    font-size: 18px;
    transition: transform 0.3s ease;
}

.blog-container.sidebar-collapsed .sidebar-toggle {
    left: 0; /* 收起状态下贴着页面左侧 */
}

.blog-container.sidebar-collapsed .sidebar-toggle i {
    transform: rotate(180deg);
}

/* 媒体查询中的调整 */
/* 确保响应式调整时按钮位置正确 */
@media screen and (max-width: 1200px) {
    .sidebar-toggle {
        left: calc(min(var(--sidebar-width), var(--sidebar-min-width)) + 1% + 1.5rem);
    }
}

@media screen and (max-width: 768px) {
    .sidebar-toggle {
        left: 250px; /* 移动端下固定位置 */
    }
}

/* 中央内容区样式 */
.content {
    width: var(--content-width);
    max-width: var(--content-max-width);
    margin: 0 auto;
    min-height: calc(100vh - 4rem);
    padding: 0 1rem;
    transition: margin-left 0.3s ease, width 0.3s ease;
}

/* 内容区域随侧边栏收起而扩展 */
.blog-container.sidebar-collapsed .content {
    margin-left: 30px;
    width: calc(var(--content-width) + 8%);
}

.posts-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.post-card {
    background-color: var(--blog-container-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: transform 0.3s;
    width: 100%;
    overflow-x: hidden;
}

.post-card:hover {
    transform: translateY(-5px);
}

.post-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    color: #fff;
    background-color: var(--blog-primary-color);
    margin-bottom: 0.75rem;
}

.post-tag.original {
    background-color: #4CAF50;
}

.post-tag.repost {
    background-color: #FF9800;
}

.post-title {
    font-size: 1.25rem;
    color: var(--blog-title-color);
    margin-bottom: 0.75rem;
}

.post-meta {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    color: var(--blog-text-color-light);
}

.post-date, .post-reading-time {
    display: flex;
    align-items: center;
    margin-right: 1rem;
}

.post-date i, .post-reading-time i {
    margin-right: 0.25rem;
}

/* 文章详情页样式 */
.post-detail {
    background-color: var(--blog-container-color);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    overflow-x: hidden;
    width: 100%;
}

.post-header {
    margin-bottom: 2rem;
}

.back-button {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    color: var(--blog-primary-color);
    cursor: pointer;
    font-size: 1rem;
    padding: 0;
    margin-bottom: 1rem;
}

.back-button i {
    margin-right: 0.5rem;
}

/* 文章内容样式 */
.post-content {
    line-height: 1.8;
}

.post-content h1, .post-content h2, .post-content h3,
.post-content h4, .post-content h5, .post-content h6 {
    color: var(--blog-title-color);
    margin: 1.5rem 0 1rem;
}

.post-content p {
    margin-bottom: 1rem;
}

.post-content img {
    max-width: 100%;
    border-radius: 0.5rem;
}

.post-content a {
    color: var(--blog-primary-color);
    text-decoration: none;
}

.post-content blockquote {
    border-left: 4px solid var(--blog-primary-color);
    padding-left: 1rem;
    margin-left: 0;
    color: var(--blog-text-color-light);
}

/* 代码块样式 */
.post-content code {
    background-color: var(--blog-input-color);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-family: monospace;
}

.post-content pre {
    max-width: 100%;
    overflow-x: auto;
    white-space: pre;
    position: relative;
    padding: 2.5rem 1rem 1rem;
    margin-top: 1.5rem;
    background-color: var(--blog-input-color);
    border-radius: 0.5rem;
}

.post-content pre code {
    background-color: transparent;
    padding: 0;
    display: inline-block;
    white-space: pre;
    max-width: 100%;
}

/* 代码块滚动条样式 */
.post-content pre::-webkit-scrollbar {
    height: 8px;
}

.post-content pre::-webkit-scrollbar-track {
    background: var(--blog-input-color);
    border-radius: 4px;
}

.post-content pre::-webkit-scrollbar-thumb {
    background: var(--blog-scroll-thumb-color);
    border-radius: 4px;
}

/* 复制按钮容器和样式 */
.copy-button-container {
    position: absolute;
    top: 5px;
    right: 5px;
    z-index: 10;
}

.copy-button {
    background-color: rgba(240, 240, 240, 0.2);
    color: var(--blog-primary-color);
    border: 1px solid rgba(204, 204, 204, 0);
    border-radius: 4px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-button:hover {
    background-color: rgba(224, 224, 224, 0.3);
}

.copy-button i {
    font-size: 14px;
}

/* 右侧栏样式 */
.right-sidebar {
    position: fixed;
    top: 2rem;
    right: 2%;
    width: var(--sidebar-width);
    max-width: var(--sidebar-min-width);
    height: calc(100vh - 4rem);
    overflow-y: auto;
    z-index: 10;
}

.search-box {
    position: relative;
    margin-bottom: 2rem;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: none;
    border-radius: 0.5rem;
    background-color: var(--blog-container-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    color: var(--blog-text-color);
}

.search-box input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--blog-primary-color);
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--blog-text-color-light);
}

.widget {
    background-color: var(--blog-container-color);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.widget h3 {
    font-size: 1.125rem;
    color: var(--blog-title-color);
    margin-bottom: 1rem;
}

.widget ul {
    list-style: none;
    padding: 0;
}

.widget li {
    margin-bottom: 0.75rem;
}

.widget a {
    color: var(--blog-text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: 0.3s;
}

.widget a:hover {
    color: var(--blog-primary-color);
}

/* 标签样式 */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    background-color: var(--blog-input-color);
    color: var(--blog-text-color);
    font-size: 0.875rem;
    cursor: pointer;
    transition: 0.3s;
}

.tag:hover,
.tag.active {
    background-color: var(--blog-primary-color);
    color: #fff;
}

/* 其他实用样式 */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--blog-text-color-light);
}

.more-link {
    display: block;
    text-align: right;
    color: var(--blog-primary-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    text-decoration: none;
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--blog-primary-color);
    color: white;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--blog-primary-color-alt);
    transform: translateY(-3px);
}

.back-to-top i {
    font-size: 1.5rem;
}

/* 标签和详情样式 */
.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.detail-tag-item {
    background-color: var(--blog-input-color);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    color: var(--blog-text-color);
}

/* 响应式设计 */
@media screen and (max-width: 2880px) {
    :root {
        --sidebar-width: 18%;
        --content-width: 55%;
    }
}

@media screen and (max-width: 1200px) {
    :root {
        --sidebar-width: 22%;
        --content-width: 60%;
    }

    .sidebar {
        left: 1%;
    }

    .right-sidebar {
        right: 1%;
    }
}

/* 针对大屏幕尺寸调整侧边栏收起时的内容区宽度 */
@media screen and (min-width: 1200px) {
    .blog-container.sidebar-collapsed .content {
        width: 75%; /* 使用适当的宽度避免与右侧栏重叠 */
        max-width: 1200px; /* 设置合理的最大宽度 */
        margin-left: 30px;
        margin-right: auto;
    }
}

@media screen and (max-width: 992px) {
    :root {
        --content-width: 60%;
    }

    .right-sidebar {
        display: none;
    }
}

/* 针对中等屏幕尺寸调整侧边栏收起时的内容区宽度 */
@media screen and (min-width: 769px) and (max-width: 992px) {
    .blog-container.sidebar-collapsed .content {
        width: 90%;
        max-width: none; /* 移除最大宽度限制 */
        margin-left: auto; /* 自动左边距 */
        margin-right: auto; /* 自动右边距，使内容居中 */
    }
}

@media screen and (max-width: 768px) {
    .blog-container {
        padding: 1rem 0;
    }

    .sidebar {
        position: fixed;
        z-index: 999;
        height: 100vh;
        left: 0;
        top: 0;
        width: 250px;
        max-width: 80%;
        border-radius: 0;
    }

    .blog-container.sidebar-collapsed .content {
        margin-left: 0;
        width: 95%;
    }

    .content {
        width: 90%;
        margin: 0 auto;
    }

    .sidebar-toggle {
        top: 30px;
        transform: none;
    }

    .right-sidebar {
        display: none;
    }
}

@media screen and (max-width: 480px) {
    .content {
        width: 95%;
    }

    .post-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .post-meta > div {
        margin-bottom: 0.5rem;
    }

    .post-content pre {
        padding: 3rem 0.5rem 0.5rem;
    }
}

/* 博客点击过渡效果 中 */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}


/* 添加一些搜索页面特有的样式*/
.search-page {
  width: 100%;
  margin-bottom: 2rem;
}

.search-page input {
  padding: 0.75rem 1rem 0.75rem 3rem;
  font-size: 1.1rem;
}

.post-content-preview {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--blog-text-color);
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
}

mark {
  background-color: rgba(255, 230, 0, 0.3);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}

/* 目录项内容对齐优化 */
.directory-tree {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.95rem;
}

.directory-item {
  margin-bottom: 6px;
  position: relative;
}

/* 重新设计目录链接结构，确保一致的内容对齐 */
.directory-link {
  display: flex;
  align-items: center;
  padding: 4px 0;
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 4px;
  padding-left: 5px;
}

/* 为目录文本创建一个一致的起始点 */
.directory-text {
  /* 确保文本从同一起点开始，无论前面是图标还是占位符 */
  flex: 1;
}

/* 不同层级的字体大小区分 */
.directory-tree > .directory-item > .directory-link {
  font-size: 1rem;
  font-weight: 500;
}

/* 二级目录样式 */
.directory-sublist > .directory-item > .directory-link {
  font-size: 0.9rem;
  font-weight: 400;
}

/* 三级及以下目录 */
.directory-sublist .directory-sublist .directory-link {
  font-size: 0.85rem;
  color: var(--blog-text-color-light);
}

.directory-link:hover {
  color: var(--blog-primary-color);
  background-color: rgba(var(--blog-primary-color-rgb), 0.05);
}

/* 当前激活的目录项 */
.directory-link.active {
  color: var(--blog-primary-color);
  font-weight: 600;
  background-color: rgba(var(--blog-primary-color-rgb), 0.1);
  padding-left: 8px;
  border-left: 3px solid var(--blog-primary-color);
}

/* 为有展开图标和没有展开图标的项目创建一致的宽度 */
.directory-icon-container {
  min-width: 22px; /* 固定宽度确保一致对齐 */
  width: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 折叠/展开图标 */
.directory-expand {
  transition: transform 0.3s ease;
  font-size: 0.9em;
}

.directory-expand.expanded {
  transform: rotate(90deg);
}

/* 占位符图标 - 与目录图标具有相同的空间 */
.directory-icon-space {
  width: 22px; /* 与目录图标容器相同 */
  visibility: hidden; /* 不可见但占据空间 */
  display: inline-flex;
}

/* 子目录列表 */
.directory-sublist {
  list-style: none;
  padding-left: 18px;
  margin: 5px 0 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}

/* 置顶标记样式 */
.post-tag-container {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
}

/* 优化置顶图标样式 */
.post-pinned {
  display: inline-flex;
  align-items: center;
  margin-left: 0.5rem;
  color: #ff4757;
}

.post-pinned i {
  font-size: 1rem;
  transform: rotate(45deg); /* 让图钉朝向右下方，更符合习惯 */
}

/* 修改原有的 post-tag 样式，让其与 post-pinned 对齐 */
.post-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  color: #fff;
  background-color: var(--blog-primary-color);
}