/* ============================================================
   设计系统 — 简约清爽主题
   黑白灰基底 + 蓝色强调色
   ============================================================ */

/* ----- Design Tokens ----- */
:root {
  --color-bg: #fafbfc;
  --color-bg-elevated: #ffffff;
  --color-bg-subtle: #f3f5f8;
  --color-text: #1a1a2e;
  --color-text-secondary: #555;
  --color-text-muted: #888;
  --color-border: #e8ecf0;
  --color-border-subtle: #eef1f5;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-bg: #eff6ff;
  --color-accent-text: #2563eb;
  --color-highlight: #e879a0;
  --color-highlight-bg: rgba(232, 121, 160, 0.08);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* ----- Dark Mode Tokens ----- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f1117;
    --color-bg-elevated: #1a1d27;
    --color-bg-subtle: #161922;
    --color-text: #e2e4e9;
    --color-text-secondary: #a0a4ad;
    --color-text-muted: #6b7080;
    --color-border: #2a2d38;
    --color-border-subtle: #22252e;
    --color-accent: #60a5fa;
    --color-accent-hover: #93c5fd;
    --color-accent-bg: rgba(96, 165, 250, 0.1);
    --color-accent-text: #60a5fa;
    --color-highlight: #f472b6;
    --color-highlight-bg: rgba(244, 114, 182, 0.1);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  }
}

/* ============================================================
   全局 Minima 覆盖
   ============================================================ */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Minima 默认 h1~h6 font-weight: 400，覆盖为 600 */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration-color: var(--color-accent-hover);
}

.wrapper {
  max-width: 90vw !important;
}

@media screen and (min-width: 1400px) {
  .wrapper {
    max-width: 1100px !important;
  }
}

/* ----- 代码块 ----- */
pre,
code {
  font-family: var(--font-mono);
}

code {
  background: #edf0f4;
  border: 1px solid #dde2e8;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.88em;
  color: var(--color-text);
}

pre {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 42px 20px 18px;
  overflow-x: auto;
  position: relative;
}

pre > code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.88em;
}

/* 代码块默认自动换行，加 .nowrap 时水平滚动 */
pre > code {
  white-space: pre-wrap;
  word-break: break-all;
}

pre.nowrap > code {
  white-space: pre;
  word-break: normal;
}

/* ----- 代码块工具栏 ----- */
.code-toolbar {
  position: absolute;
  top: 8px;
  left: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  z-index: 2;
}

/* 语言标签 */
.code-lang-label {
  margin-right: auto;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2px 8px;
  line-height: 1.4;
  user-select: none;
  letter-spacing: 0.3px;
}

.code-toolbar-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  background: var(--color-bg-elevated);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 12px;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.code-toolbar-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
}

.code-toolbar-btn.active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
}

.code-toolbar-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* 复制成功反馈 */
.code-toolbar-btn.copied {
  color: #10b981;
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

/* ----- 行内代码语义样式 -----
 *  用法：<code class="cmd">docker ps</code>
 *  兼容标准 Markdown 预览（显示为普通行内代码）
 */

/* 命令 — docker, git, npm 等 */
code.cmd {
  color: var(--color-accent);
  font-weight: 500;
}

/* 路径 — /etc/nginx/nginx.conf */
code.path {
  color: #b45309;
}

/* 参数/选项 — --format, -v */
code.flag {
  color: #d97706;
}

/* 值 — IP、端口、字符串 */
code.val {
  color: #059669;
}

/* 按键 — Ctrl+C, Enter, Tab */
code.key,
kbd {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid var(--color-border);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--color-bg-elevated);
  font-size: 0.82em;
  font-weight: 500;
  font-family: var(--font-mono);
  white-space: nowrap;
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}

/* 暗色模式适配 */
@media (prefers-color-scheme: dark) {
  code {
    background: #1e2130;
    border-color: #2a2e3e;
  }

  code.path  { color: #fbbf24; }
  code.flag  { color: #f59e0b; }
  code.val   { color: #34d399; }
}

/* ----- 分割线 ----- */
hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 40px 0;
}

/* ----- 引用块 ----- */
blockquote {
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-bg);
  padding: 12px 20px;
  margin: 1.2em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-secondary);
}

blockquote > :first-child { margin-top: 0; }
blockquote > :last-child { margin-bottom: 0; }

/* ----- 提示框（分级提醒）-----
 *  用法：<blockquote class="info">内容</blockquote>
 *  兼容标准 Markdown 预览（显示为普通引用块）
 */
blockquote.info,
blockquote.tip,
blockquote.warning,
blockquote.danger {
  border-left-width: 4px;
  padding: 14px 20px;
}

blockquote.info    { border-left-color: #3b82f6; background: rgba(59,130,246,0.10); }
blockquote.tip     { border-left-color: #10b981; background: rgba(16,185,129,0.10); }
blockquote.warning { border-left-color: #f59e0b; background: rgba(245,158,11,0.10); }
blockquote.danger  { border-left-color: #ef4444; background: rgba(239,68,68,0.10); }

blockquote.info::before    { content: "ℹ️ 信息"; color: #3b82f6; }
blockquote.tip::before     { content: "💡 提示"; color: #10b981; }
blockquote.warning::before { content: "⚠️ 警告"; color: #d97706; }
blockquote.danger::before  { content: "🚨 危险"; color: #ef4444; }

blockquote.info::before,
blockquote.tip::before,
blockquote.warning::before,
blockquote.danger::before {
  display: block;
  font-weight: 600;
  font-size: 0.9em;
  margin-bottom: 6px;
}

@media (prefers-color-scheme: dark) {
  blockquote.info    { background: rgba(59,130,246,0.12); }
  blockquote.tip     { background: rgba(16,185,129,0.12); }
  blockquote.warning { background: rgba(245,158,11,0.12); }
  blockquote.danger  { background: rgba(239,68,68,0.12); }

  blockquote.info::before    { color: #60a5fa; }
  blockquote.tip::before     { color: #34d399; }
  blockquote.warning::before { color: #fbbf24; }
  blockquote.danger::before  { color: #f87171; }
}

/* ----- 表格 ----- */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.2em 0;
}

th, td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}

th {
  background: var(--color-bg-subtle);
  font-weight: 600;
  color: var(--color-text);
}

tr:nth-child(even) td {
  background: var(--color-bg-subtle);
}

/* ============================================================
   头部 — 吸顶导航
   ============================================================ */

.site-header {
  position: sticky !important;
  top: 0;
  z-index: 50;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-wrapper {
  display: flex !important;
  align-items: center !important;
  gap: 20px;
  padding-top: 14px !important;
  padding-bottom: 14px !important;
}

.header-wrapper .site-title {
  float: none !important;
  flex-shrink: 0;
  line-height: normal !important;
  font-weight: 700 !important;
  font-size: 17px !important;
  color: var(--color-text) !important;
  letter-spacing: -0.3px;
}

.header-wrapper .site-title:hover {
  color: var(--color-accent) !important;
}

.header-wrapper .site-nav {
  float: none !important;
  flex-shrink: 0;
}

/* ============================================================
   搜索框
   ============================================================ */

.search-container {
  position: relative;
  flex: 1;
  max-width: 300px;
  margin: 0;
}

.search-input {
  width: 100%;
  padding: 8px 16px 8px 38px;
  font-size: 14px;
  font-family: var(--font-sans);
  border: 1.5px solid var(--color-border);
  border-radius: 20px;
  outline: none;
  background: var(--color-bg-subtle);
  color: var(--color-text);
  transition: all var(--transition-normal);
  box-sizing: border-box;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 13px center;
  background-size: 15px;
}

.search-input:hover {
  border-color: var(--color-text-muted);
}

.search-input::placeholder {
  color: var(--color-text-muted);
  font-size: 13px;
}

.search-input:focus {
  border-color: var(--color-accent);
  background: var(--color-bg-elevated);
  box-shadow: 0 0 0 3px var(--color-accent-bg);
}

/* 搜索框字符计数器 */
.search-char-count {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--color-text-muted);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  font-family: var(--font-mono);
  user-select: none;
}

.search-container:focus-within .search-char-count {
  opacity: 1;
}

@media screen and (max-width: 768px) {
  .search-container {
    max-width: 200px;
  }
}

@media screen and (max-width: 600px) {
  .search-container {
    display: none;
  }
}

/* ============================================================
   搜索弹窗（全屏）
   ============================================================ */

.search-results {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0s 0.2s;
}

.search-results.open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.2s ease, visibility 0s 0s;
}

.search-overlay-input,
.search-results-panel {
  width: 100%;
  max-width: 900px;
}

.search-results-panel {
  background: var(--color-bg-elevated);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.search-overlay-input {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: 1;
}

.search-overlay-input input {
  flex: 1;
  padding: 12px 16px;
  font-size: 16px;
  font-family: var(--font-sans);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  background: var(--color-bg-subtle);
  color: var(--color-text);
  transition: border-color var(--transition-normal), background var(--transition-normal);
}

.search-overlay-input input:focus {
  border-color: var(--color-accent);
  background: var(--color-bg-elevated);
}

.search-overlay-input .search-overlay-count {
  font-size: 13px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.search-overlay-char-count {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--color-text-muted);
  pointer-events: none;
  font-family: var(--font-mono);
  user-select: none;
}

.search-overlay-close {
  position: fixed;
  top: 18px;
  right: 24px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  font-size: 28px;
  color: #fff;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0s 0.2s;
  z-index: 1000;
  line-height: 1;
}

.search-overlay-close.open {
  opacity: 0.8;
  visibility: visible;
  transition: opacity 0.2s ease, visibility 0s 0s;
}

.search-overlay-close:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.25);
}

/* 滚动条 */
.search-results-panel::-webkit-scrollbar { width: 5px; }
.search-results-panel::-webkit-scrollbar-track { background: transparent; }
.search-results-panel::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
.search-results-panel::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* 搜索结果条目 */
.search-result-count {
  padding: 12px 16px 6px;
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.search-result-item {
  display: block;
  padding: 12px 16px;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}

.search-result-item:hover {
  background: var(--color-bg-subtle);
  border-left-color: var(--color-accent);
}

.search-result-item + .search-result-item {
  border-top: 1px solid var(--color-border-subtle);
}

.search-result-title {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
  line-height: 1.4;
}

.search-result-title em {
  font-style: normal;
  color: var(--color-highlight);
  font-weight: 700;
}

.search-result-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.search-result-date { color: var(--color-text-muted); }

.search-result-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--color-accent-text);
  background: var(--color-accent-bg);
  border-radius: 3px;
}

.search-result-snippet {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-muted);
  overflow: hidden;
}

.search-result-snippet em {
  font-style: normal;
  color: var(--color-highlight);
  font-weight: 600;
  background: var(--color-highlight-bg);
  padding: 0 2px;
  border-radius: 2px;
}

.search-no-result,
.search-error,
.search-hint {
  padding: 30px 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
  cursor: default;
}

.search-loading {
  padding: 16px 12px;
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
}

.search-loading-end {
  color: var(--color-text-muted);
  font-size: 12px;
  padding: 12px;
  opacity: 0.6;
}

/* 搜索弹窗小屏适配 */
@media screen and (max-width: 600px) {
  .search-results {
    padding: 0;
    align-items: stretch;
  }
  .search-results-panel {
    max-width: none;
    max-height: none;
    border-radius: 0;
    width: 100%;
    height: 100vh;
  }
  .search-overlay-input {
    border-radius: 0;
  }
  .search-overlay-close {
    top: 10px;
    right: 12px;
    width: 36px;
    height: 36px;
    font-size: 24px;
  }
}

/* ============================================================
   文章页排版
   ============================================================ */

.post-header {
  margin-bottom: 2.5em;
}

.post-title {
  font-size: clamp(1.6rem, 4vw, 2.5rem) !important;
  font-weight: 800 !important;
  color: var(--color-text) !important;
  letter-spacing: -0.5px;
  line-height: 1.25;
}

.post-meta {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 8px;
  row-gap: 4px;
  align-items: baseline;
  font-variant-numeric: tabular-nums;
}

.post-meta-span {
  grid-column: 1 / -1;
}

.post-meta-label {
  display: inline-block;
}

.post-content {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem) !important;
  max-width: 48em;
  color: var(--color-text);
  line-height: 1.85;
}

/* 通用标题样式 */
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  color: var(--color-text) !important;
  font-weight: 700 !important;
  line-height: 1.3;
}

.post-content h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem) !important;
  margin-top: 2.5em !important;
  letter-spacing: -0.4px;
}

.post-content h2 {
  font-size: clamp(1.4rem, 3.5vw, 1.85rem) !important;
  margin-top: 2.2em !important;
  letter-spacing: -0.3px;
}

.post-content h3 {
  font-size: clamp(1.2rem, 2.8vw, 1.55rem) !important;
  margin-top: 1.8em !important;
}

.post-content h4 {
  font-size: clamp(1.1rem, 2.4vw, 1.3rem) !important;
  margin-top: 1.5em !important;
}

.post-content h5 {
  font-size: clamp(1rem, 2.2vw, 1.15rem) !important;
  margin-top: 1.3em !important;
}

.post-content h6 {
  font-size: clamp(0.95rem, 2vw, 1.05rem) !important;
  margin-top: 1.2em !important;
  color: var(--color-text-secondary) !important;
}

/* 紧跟的标题减少上间距 */
.post-content h1 + h2,
.post-content h2 + h3,
.post-content h3 + h4,
.post-content h4 + h5,
.post-content h5 + h6 {
  margin-top: 0.6em !important;
}

/* 首个子元素为标题时去掉上间距 */
.post-content > h1:first-child,
.post-content > h2:first-child,
.post-content > h3:first-child,
.post-content > h4:first-child,
.post-content > h5:first-child,
.post-content > h6:first-child {
  margin-top: 0 !important;
}

.post-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(59, 130, 246, 0.3);
  text-underline-offset: 3px;
}

.post-content a:hover {
  text-decoration-color: var(--color-accent);
}

/* 文章内可折叠代码块 */
.post-content details[open] > summary {
  margin-bottom: 0.6em;
}

.post-content details {
  margin-bottom: 1em;
}

.post-content img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}

/* ============================================================
   首页
   ============================================================ */

.home h1 {
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.3px;
}

.home p {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* 简介区域装饰线 */
.home > p:first-of-type {
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
  margin-bottom: 28px;
}

.home hr {
  margin: 40px 0;
}

/* RSS 订阅链接 */
.rss-subscribe {
  margin-top: 32px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ----- 视图切换按钮 ----- */
.view-toggle {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
}

.view-toggle-btn {
  padding: 7px 20px;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-fast);
  color: var(--color-text-muted);
  background: var(--color-bg-elevated);
  font-family: var(--font-sans);
}

.view-toggle-btn:first-child {
  border-right: 1px solid var(--color-border);
}

.view-toggle-btn.active {
  color: #fff;
  background: var(--color-accent);
  font-weight: 600;
}

/* ----- 归档列表 ----- */
.archive-year {
  margin-bottom: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-normal);
  background: var(--color-bg-elevated);
}

.archive-year[open] {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.archive-year-title {
  padding: 12px 18px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
  background: var(--color-bg-subtle);
  transition: background var(--transition-normal);
}

.archive-year-title:hover {
  background: var(--color-accent-bg);
}

.archive-year-title::-webkit-details-marker {
  margin-right: 8px;
}

.archive-months {
  padding: 6px 0 10px 14px;
}

.archive-month {
  margin: 3px 0;
}

.archive-month-title {
  padding: 7px 14px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition-normal);
}

.archive-month-title:hover {
  background: var(--color-bg-subtle);
}

.archive-count {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 8px;
}

.archive-post-list {
  list-style: none;
  margin: 4px 0 4px 20px;
  padding: 0;
}

.archive-post-list li {
  padding: 5px 10px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.archive-post-list li:hover {
  background: var(--color-bg-subtle);
}

.archive-post-date {
  flex-shrink: 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.archive-post-link {
  color: var(--color-accent-text);
  text-decoration: none;
  font-size: 1rem;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.archive-post-link:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* ============================================================
   页脚
   ============================================================ */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  margin-top: 60px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-contact {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-link .svg-icon {
  vertical-align: middle;
}

.footer-social {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 18px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-social a:hover {
  color: var(--color-accent);
}

/* ============================================================
   404 页面
   ============================================================ */

#not-found {
  text-align: center;
  padding: 80px 20px;
}

#not-found h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 12px;
}

/* ============================================================
   通用工具
   ============================================================ */

.post-list > li {
  margin-bottom: clamp(20px, 4vh, 40px) !important;
}

.post-link {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem) !important;
}

/* ============================================================
   文章目录侧边栏
   ============================================================ */

/* 切换按钮 */
.toc-toggle-btn {
  position: fixed;
  right: 20px;
  bottom: 32px;
  z-index: 60;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.toc-toggle-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
}

/* 侧边栏面板 */
.toc-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  width: 280px;
  max-width: 80vw;
  background: var(--color-bg-elevated);
  border-left: 1px solid var(--color-border);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.08);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.toc-sidebar.open {
  transform: translateX(0);
}

/* 目录头部 */
.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.toc-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.2px;
}

.toc-close-btn {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  transition: color var(--transition-fast);
}

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

/* 目录导航 */
.toc-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.toc-nav::-webkit-scrollbar { width: 3px; }
.toc-nav::-webkit-scrollbar-track { background: transparent; }
.toc-nav::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }

/* 目录列表 */
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc-item {
  margin: 0;
}

.toc-link {
  display: block;
  padding: 6px 18px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toc-link:hover {
  color: var(--color-accent);
  background: var(--color-bg-subtle);
}

.toc-link.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  background: var(--color-accent-bg);
  font-weight: 600;
}

/* h1 一级标题 */
.toc-h1 .toc-link {
  font-weight: 600;
}

/* h2 缩进 */
.toc-h2 .toc-link {
  padding-left: 30px;
}

/* h3 缩进 */
.toc-h3 .toc-link {
  padding-left: 44px;
}

/* h4 缩进 */
.toc-h4 .toc-link {
  padding-left: 58px;
  font-size: 12.5px;
}

/* h5 缩进 */
.toc-h5 .toc-link {
  padding-left: 72px;
  font-size: 12px;
}

/* h6 缩进 */
.toc-h6 .toc-link {
  padding-left: 86px;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* 小屏适配 */
@media screen and (max-width: 768px) {
  .toc-toggle-btn {
    right: 14px;
    bottom: 20px;
    width: 36px;
    height: 36px;
  }

  .toc-sidebar {
    width: 260px;
  }
}