/* ============================================================
   1. CSS 变量与主题
   ============================================================ */
:root {
  --max-width: 1080px;
  --draft-badge-bg: #f0ad4e;
  --draft-badge-fg: #fff;
}
[data-theme="dark"] {
  --fg: #d6dde5;
  --muted: #8a94a0;
  --accent: #4db6c4;
  --border: #2a3038;
  --bg: #16191d;
  --card: #1e2228;
  --bg-top: #11151a;
  --code-bg: #2a2f36;
  --pre-bg: #0f1216;
  --pre-fg: #e0e0e0;
  --header-bg: rgba(17,21,26,.88);
  --header-border: rgba(255,255,255,.08);
  --header-shadow: 0 12px 32px rgba(0,0,0,.24);
  --header-chip-bg: rgba(255,255,255,.05);
  --header-chip-border: rgba(255,255,255,.1);
  --header-chip-hover: rgba(77,182,196,.12);
  --nav-hover-bg: rgba(77,182,196,.12);
  --surface-shadow: 0 14px 32px rgba(0,0,0,.16);
}
[data-theme="light"] {
  --fg: #2c3e50;
  --muted: #6b7583;
  --accent: #1a7f8e;
  --border: #e8ecf0;
  --bg: #fafbfc;
  --card: #ffffff;
  --bg-top: #edf5f7;
  --code-bg: #eef1f3;
  --pre-bg: #2d2d2d;
  --pre-fg: #f0f0f0;
  --header-bg: rgba(245,250,251,.88);
  --header-border: #dbe7ea;
  --header-shadow: 0 12px 28px rgba(26,127,142,.08);
  --header-chip-bg: rgba(255,255,255,.84);
  --header-chip-border: #d7e5e9;
  --header-chip-hover: rgba(26,127,142,.1);
  --nav-hover-bg: rgba(26,127,142,.1);
  --surface-shadow: 0 12px 28px rgba(31,52,73,.06);
}
[data-theme="red-plum"] {
  --fg: #3f2430;
  --muted: #8b6c78;
  --accent: #b44564;
  --border: #f0d8df;
  --bg: #fff8f9;
  --card: #ffffff;
  --bg-top: #fff0f4;
  --code-bg: #f9e9ee;
  --pre-bg: #41212d;
  --pre-fg: #f8eef1;
  --header-bg: rgba(255,243,247,.9);
  --header-border: #efcfd9;
  --header-shadow: 0 12px 28px rgba(180,69,100,.12);
  --header-chip-bg: rgba(255,255,255,.82);
  --header-chip-border: #efccd7;
  --header-chip-hover: rgba(180,69,100,.11);
  --nav-hover-bg: rgba(180,69,100,.11);
  --surface-shadow: 0 12px 28px rgba(92,43,61,.08);
}
[data-theme="bamboo"] {
  --fg: #24372d;
  --muted: #6d8575;
  --accent: #3d8b5c;
  --border: #dcebdd;
  --bg: #f5fbf5;
  --card: #ffffff;
  --bg-top: #eaf6ed;
  --code-bg: #e8f3e8;
  --pre-bg: #1f3327;
  --pre-fg: #edf7ef;
  --header-bg: rgba(239,248,241,.9);
  --header-border: #d1e5d5;
  --header-shadow: 0 12px 28px rgba(61,139,92,.12);
  --header-chip-bg: rgba(255,255,255,.82);
  --header-chip-border: #d2e5d7;
  --header-chip-hover: rgba(61,139,92,.11);
  --nav-hover-bg: rgba(61,139,92,.11);
  --surface-shadow: 0 12px 28px rgba(40,68,52,.08);
}
[data-theme="lotus"] {
  --fg: #5a4350;
  --muted: #9a7f8b;
  --accent: #c06f96;
  --border: #f1dce7;
  --bg: #fff8fb;
  --card: #fffdfd;
  --bg-top: #fff0f6;
  --code-bg: #f9eaf0;
  --pre-bg: #503544;
  --pre-fg: #fbf0f5;
  --header-bg: rgba(255,242,248,.9);
  --header-border: #efd6e3;
  --header-shadow: 0 12px 28px rgba(192,111,150,.12);
  --header-chip-bg: rgba(255,255,255,.84);
  --header-chip-border: #efd4e1;
  --header-chip-hover: rgba(192,111,150,.11);
  --nav-hover-bg: rgba(192,111,150,.11);
  --surface-shadow: 0 12px 28px rgba(109,73,96,.08);
}
[data-theme="orange"] {
  --fg: #4d3421;
  --muted: #987760;
  --accent: #d97706;
  --border: #f6dfc7;
  --bg: #fff8ef;
  --card: #fffdfa;
  --bg-top: #fff1de;
  --code-bg: #fbeeda;
  --pre-bg: #4a2b14;
  --pre-fg: #fff1e3;
  --header-bg: rgba(255,244,230,.9);
  --header-border: #f1d5b3;
  --header-shadow: 0 12px 28px rgba(217,119,6,.13);
  --header-chip-bg: rgba(255,255,255,.82);
  --header-chip-border: #efd5b8;
  --header-chip-hover: rgba(217,119,6,.12);
  --nav-hover-bg: rgba(217,119,6,.12);
  --surface-shadow: 0 12px 28px rgba(106,65,24,.08);
}
[data-theme="azure"] {
  --fg: #1f3653;
  --muted: #6f86a3;
  --accent: #2c7be5;
  --border: #dbe8f8;
  --bg: #f5f9ff;
  --card: #ffffff;
  --bg-top: #eaf2ff;
  --code-bg: #e9f1fd;
  --pre-bg: #15293d;
  --pre-fg: #edf5ff;
  --header-bg: rgba(239,245,255,.9);
  --header-border: #d2e2f8;
  --header-shadow: 0 12px 28px rgba(44,123,229,.12);
  --header-chip-bg: rgba(255,255,255,.82);
  --header-chip-border: #d4e2f6;
  --header-chip-hover: rgba(44,123,229,.11);
  --nav-hover-bg: rgba(44,123,229,.11);
  --surface-shadow: 0 12px 28px rgba(31,79,122,.08);
}
[data-theme="purple"] {
  --fg: #35294c;
  --muted: #81709f;
  --accent: #8b5cf6;
  --border: #e8ddfb;
  --bg: #f8f5ff;
  --card: #ffffff;
  --bg-top: #f0ebff;
  --code-bg: #eee8fd;
  --pre-bg: #2a203b;
  --pre-fg: #f3efff;
  --header-bg: rgba(244,239,255,.9);
  --header-border: #dfd4f8;
  --header-shadow: 0 12px 28px rgba(139,92,246,.12);
  --header-chip-bg: rgba(255,255,255,.82);
  --header-chip-border: #dfd2f6;
  --header-chip-hover: rgba(139,92,246,.11);
  --nav-hover-bg: rgba(139,92,246,.11);
  --surface-shadow: 0 12px 28px rgba(70,48,105,.08);
}

/* ============================================================
   2. 全局重置与工具类
   ============================================================ */
* { box-sizing: border-box; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--fg);
  background: linear-gradient(180deg, var(--bg-top, var(--bg)) 0, var(--bg) 220px);
  background-color: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ============================================================
   3. 跳过导航
   ============================================================ */
.skip-link { position: absolute; top: -100px; left: 8px; background: var(--accent); color: #fff; padding: 8px 16px; z-index: 100; border-radius: 0 0 4px 4px; font-size: 14px; text-decoration: none; }
.skip-link:focus { top: 0; }

/* ============================================================
   4. 页面头部 (Header) —— 粘性顶栏，含站点标题、导航菜单、主题/语言切换
   ============================================================ */
.site-header { background: var(--header-bg); border-bottom: 1px solid var(--accent); position: sticky; top: 0; z-index: 10; backdrop-filter: saturate(140%) blur(10px); box-shadow: var(--header-shadow); }
.header-inner { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.site-title { font-size: 20px; font-weight: 700; color: var(--fg); }
.site-logo { height: 36px; width: auto; vertical-align: middle; }
.header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.desktop-header-controls { display: flex; align-items: center; gap: 8px; }

/* 汉堡菜单按钮（移动端显示） */
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 5px; cursor: pointer; font-size: 18px; padding: 4px 10px; color: var(--fg); }

/* 导航菜单 */
.site-nav { flex: 1; display: flex; align-items: center; gap: 16px; min-width: 0; }
.site-nav-links { display: flex; flex-wrap: wrap; gap: 0; }
.site-nav-utility { margin-left: auto; display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.site-nav a { margin-right: 10px; color: var(--fg); font-size: 15px; padding: 8px 12px; border-radius: 999px; }
.site-nav a:hover { text-decoration: none; background: var(--nav-hover-bg); }
/* 主导航菜单（renderMenu 生成）内联到 site-nav 中 */
.site-nav-links .menu-primary { display: contents; }
.site-nav-links .menu-primary .menu-items { display: flex; flex-wrap: wrap; gap: 0; list-style: none; margin: 0; padding: 0; }
.site-nav-links .menu-primary .menu-item { position: relative; }
.site-nav-links .menu-primary .sub-menu { display: none; position: absolute; top: 100%; left: 0; z-index: 10; min-width: 160px; background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 4px; list-style: none; margin: 4px 0 0; box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.site-nav-links .menu-primary .menu-item:hover > .sub-menu { display: block; }
.site-nav-links .menu-primary .sub-menu .menu-item { display: block; }
.site-nav-links .menu-primary .sub-menu a { display: block; margin: 0; border-radius: 6px; }

/* 导航内搜索框 */
.nav-search input { padding: 6px 10px; border: 1px solid var(--border); border-radius: 5px; background: var(--bg); color: var(--fg); font-size: 14px; }

/* 主题/语言下拉选择器 */
.theme-select-wrap, .lang-select-wrap { position: relative; }
.theme-select, .lang-select { min-width: 94px; background: var(--header-chip-bg); border: 1px solid var(--header-chip-border, var(--border)); border-radius: 999px; cursor: pointer; font-size: 14px; padding: 8px 32px 8px 12px; color: var(--fg); appearance: none; -webkit-appearance: none; box-shadow: inset 0 1px 0 rgba(255,255,255,.18); }
.theme-select:hover, .lang-select:hover, .nav-toggle:hover { border-color: var(--accent); background: var(--header-chip-hover); }
.theme-select:focus, .lang-select:focus, .nav-toggle:focus { outline: 2px solid color-mix(in srgb, var(--accent) 25%, transparent); outline-offset: 2px; }
.theme-select-wrap::after, .lang-select-wrap::after { content: "▾"; position: absolute; right: 10px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; font-size: 12px; }

/* --- 头部响应式：移动端折叠为汉堡菜单 --- */
@media (max-width: 860px) {
  .site-header .header-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px 12px; padding: 12px 16px; min-height: 0; }
  .site-title { min-width: 0; width: auto; }
  .header-actions { margin-left: 0; width: auto; justify-self: end; display: flex; align-items: center; gap: 8px; grid-column: 2; grid-row: 1; }
  .desktop-header-controls { display: none; }
  .nav-toggle { display: inline-block; justify-self: end; }
  .theme-select, .lang-select { min-width: 0; max-width: 100px; font-size: 13px; padding-left: 10px; padding-right: 28px; }
  .site-nav { grid-column: 1 / -1; grid-row: 2; width: 100%; display: none; flex-direction: column; gap: 0; margin-top: 2px; padding: 14px 0 8px; border-top: 1px solid var(--border); }
  .site-nav.is-open { display: flex; }
  .site-nav-links { display: grid; gap: 8px; width: 100%; }
  .site-nav-links .menu-primary .menu-items { display: grid; gap: 8px; }
  .site-nav-links .menu-primary .sub-menu { position: static; display: block; box-shadow: none; border: none; background: transparent; padding: 4px 0 0 12px; margin: 0; }
  .site-nav-links .menu-primary .sub-menu a { border: 1px solid var(--border); }
  .site-nav a { display: block; width: 100%; margin: 0; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); text-align: left; }
  .site-nav-utility { width: 100%; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 10px; }
  .site-nav-utility .lang-select-wrap,
  .site-nav-utility .theme-select-wrap { display: inline-flex; max-width: 100%; }
  .site-nav-utility .lang-select,
  .site-nav-utility .theme-select { width: auto; min-width: 96px; max-width: 100%; }
  .nav-search { width: 100%; order: 4; display: none; }
  .site-nav.is-open + .nav-search { display: block; }
  .nav-search input { width: 100%; }
}
@media (max-width: 640px) {
  .site-header .header-inner { padding-left: 12px; padding-right: 12px; }
}

/* ============================================================
   5. 页面布局 (Layout) —— 主内容区 + Widget 区
   ============================================================ */
.layout { display: flex; gap: 32px; align-items: flex-start; padding-top: 28px; padding-bottom: 48px; }
.main-col { flex: 1; min-width: 0; max-width: 100%; }
.widgets { width: 280px; flex-shrink: 0; }

@media (max-width: 1080px) {
  .layout { gap: 24px; }
  .widgets { width: 260px; }
}
@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .widgets { width: 100%; }
}
@media (max-width: 640px) {
  .container { padding: 0 12px; }
}

/* ============================================================
   6. 主内容区 - 文章列表
   ============================================================ */
.post-summary { padding: 20px 0; border-bottom: 1px solid var(--border); }
.post-title { margin: 0 0 8px; font-size: 22px; }
.post-meta { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.post-meta > * { margin-right: 12px; }
.post-meta .author::before { content: "·"; margin-right: 8px; }
.post-meta .edit-link { color: var(--accent); }
.draft-badge { font-size: 13px; background: var(--draft-badge-bg); color: var(--draft-badge-fg); padding: 2px 8px; border-radius: 4px; vertical-align: middle; }
.read-more { display: inline-block; margin-top: 8px; font-size: 14px; }

/* 文章列表响应式 */
@media (max-width: 860px) {
  .post-meta { display: flex; flex-wrap: wrap; gap: 6px 12px; }
  .post-meta > * { margin-right: 0; }
}
@media (max-width: 640px) {
  .post-title { font-size: 20px; }
}

/* ============================================================
   7. 主内容区 - 文章详情页
   ============================================================ */
.post-detail .post-title, .page-detail .post-title { font-size: 28px; }
@media (max-width: 640px) {
  .post-detail .post-title, .page-detail .post-title { font-size: 24px; }
}

/* ============================================================
   8. 主内容区 - 文章正文内容
   ============================================================ */
.post-content { word-wrap: break-word; }
.post-content img { height: auto; }
.post-content pre { background: var(--pre-bg); color: var(--pre-fg); padding: 14px; overflow-x: auto; border-radius: 6px; border: 1px solid var(--pre-fg);}
.post-content code { background: var(--code-bg); padding: 2px 5px; border-radius: 3px; }
.post-content pre code { background: none; padding: 0; }
.post-content td pre { border: none; }
.post-content figure { margin: 16px 0; text-align: center; }
.post-content figcaption { color: var(--muted); font-size: 13px; }

/* 文章内容响应式 */
@media (max-width: 860px) {
  .post-content pre, .post-content .codehilite > div, .post-content .chroma { max-width: 100%; width: 100%; overflow-x: auto; }
}

/* ============================================================
   9. 主内容区 - 代码高亮与行号
   ============================================================ */
.post-content .codehilite, .md-preview .codehilite { margin: 16px 0; }
.post-content .codehilite > div, .md-preview .codehilite > div, .post-content .chroma, .md-preview .chroma { background: var(--pre-bg) !important; color: var(--pre-fg); border-radius: 6px; border: 1px solid var(--pre-fg); overflow: auto; max-height: 70vh; }
.post-content .chroma .lntable, .md-preview .chroma .lntable { width: 100%; border-spacing: 0; }
.post-content .chroma .lnt, .md-preview .chroma .lnt { color: var(--muted); padding: 0 12px 0 8px; user-select: none; }
.post-content .chroma .lntd, .md-preview .chroma .lntd { vertical-align: top; }
.post-content .chroma pre, .md-preview .chroma pre { margin: 0; max-height: 70vh; }

/* ============================================================
   10. 主内容区 - 文章标签
   ============================================================ */
.post-tags { margin-top: 24px; }
.post-tags .tag { display: inline-block; margin-right: 8px; color: var(--muted); font-size: 13px; }

/* ============================================================
   11. 主内容区 - 上一篇 / 下一篇导航
   ============================================================ */
.post-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 14px; }
.post-nav .next { text-align: right; }
@media (max-width: 640px) {
  .post-nav { flex-direction: column; }
  .post-nav .next { text-align: left; }
}

/* ============================================================
   12. 主内容区 - 分页
   ============================================================ */
.pagination { display: flex; align-items: center; gap: 16px; margin-top: 32px; justify-content: center; }
.page-info { color: var(--muted); }

/* ============================================================
   13. 主内容区 - 归档页
   ============================================================ */
.archive-title { font-size: 24px; }
.archive-year { margin-top: 24px; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.archive-list { list-style: none; padding: 0; }
.archive-list li { padding: 4px 0; }
.archive-list time { color: var(--muted); font-size: 13px; margin-right: 8px; }

/* ============================================================
   14. 主内容区 - 友链页
   ============================================================ */
.link-list { line-height: 2; }

/* ============================================================
   15. 主内容区 - 错误页
   ============================================================ */
.error-page h1 { font-size: 24px; }

/* ============================================================
   16. Widget
   ============================================================ */

/* 16.1 通用小组件容器 */
.widget { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; margin-bottom: 20px; box-shadow: var(--surface-shadow); }
.widget h3 { margin: 0 0 10px; font-size: 15px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.widget ul { list-style: none; padding: 0; margin: 0; }
.widget li { padding: 5px 0; font-size: 14px; line-height: 1.5; }
.widget select, .widget input[type=search] { width: 100%; padding: 7px 9px; border: 1px solid var(--border); border-radius: 5px; background: var(--bg); color: var(--fg); font-size: 14px; }
.widget .avatar { vertical-align: middle; border-radius: 50%; margin-right: 6px; }

/* 16.2 可搜索下拉选择器（归档/分类/标签小组件共用） */
.searchable-select-native { display: none !important; }
.searchable-select { position: relative; width: 100%; }
.searchable-select-trigger,
.searchable-select-input {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
}
.searchable-select-trigger { display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; text-align: left; }
.searchable-select-trigger-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.searchable-select-trigger-icon { flex: 0 0 auto; color: var(--muted); font-size: 12px; }
.searchable-select-panel { position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 20; padding: 8px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); box-shadow: var(--surface-shadow); }
.searchable-select-input { margin-bottom: 8px; }
.searchable-select-list { display: grid; gap: 4px; max-height: 240px; overflow: auto; }
.searchable-select-option { width: 100%; border: 0; border-radius: 6px; background: transparent; color: var(--fg); text-align: left; padding: 8px 10px; cursor: pointer; }
.searchable-select-option:hover, .searchable-select-option.is-active { background: color-mix(in srgb, var(--accent) 12%, var(--card)); }
.searchable-select-empty { padding: 8px 10px 4px; color: var(--muted); font-size: 13px; }

/* 16.3 用户小组件（登录/登出/注册） */
.widget-user-actions { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; }
.widget-user-actions a,
.widget-user-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 78%, var(--bg));
  color: var(--accent);
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
.widget-user-actions a:hover,
.widget-user-actions button:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--card));
}
.widget-user-actions form { margin: 0; }

/* 16.4 搜索小组件 */
.widget-search form { display: flex; gap: 6px; }
.widget-search button { background: var(--accent); color: #fff; border: 0; padding: 0 14px; border-radius: 5px; cursor: pointer;width: 65px; }
@media (max-width: 860px) {
  .widget-search form { flex-direction: column; }
  .widget-search button { width: 100%; height: 38px; }
}

/* 16.5 博主动态小组件 */
.widget-saying-author { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.widget-saying-author .avatar { margin-right: 0; }
.widget-saying time, .widget-archive time { display: block; color: var(--muted); font-size: 12px; }

/* 16.6 近期评论小组件 */
.widget-recent-comments li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.widget-recent-comments .avatar {
  flex-shrink: 0;
  border-radius: 50%;
  margin-top: 2px;
}
.widget-comment-content {
  flex: 1;
  min-width: 0;
}
.widget-comment-line a { display: inline-block; width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.widget-comment-meta { color: var(--muted); font-size: 12px; }
.widget-comment-meta a { color: var(--muted); }
@media (max-width: 640px) {
  .widget-comment-meta { line-height: 1.6; }
}

/* ============================================================
   17. 评论 (Comments)
   ============================================================ */
.comments { margin-top: 40px; }
.comment-list { list-style: none; padding: 0; }
.comment { padding: 12px 0; border-bottom: 1px solid var(--border); scroll-margin-top: 80px; }
.comment:target { background: color-mix(in srgb, var(--accent) 8%, transparent); border-radius: 6px; padding-left: 8px; padding-right: 8px; margin-left: -8px; margin-right: -8px; transition: background 0.6s; }
.comment-pending { opacity: .86; }
.comment-children { list-style: none; padding-left: 24px; border-left: 2px solid var(--border); margin-top: 8px; }

/* 评论头部（头像、作者、时间等） */
.comment-head { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.comment-head .avatar { border-radius: 50%; }
.comment-author { font-weight: 600; color: var(--fg); }
.comment-badge { display: inline-block; width: 16px; height: 16px; line-height: 16px; text-align: center; font-size: 11px; vertical-align: middle; margin-left: 2px; }
.comment-badge-author::before { content: "✎"; color: #e6a817; }
.comment-badge-admin::before { content: "⚑"; color: #c0392b; }
.comment-badge-user::before { content: "●"; color: var(--accent); font-size: 7px; }
.comment-badge-notify::before { content: "✉"; color: var(--muted); }
.comment-id { color: var(--muted); font-weight: 600; }
.comment-id:hover, .comment-reply-to:hover { color: var(--accent); }
.comment-pending-badge { color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); border-radius: 999px; padding: 1px 8px; }

/* 评论正文 */
.comment-body { margin-top: 4px; white-space: pre-wrap; word-break: break-all; }
.comment-reply-to { color: var(--accent); font-size: 13px; margin-right: 6px; }
.comment-reply { background: none; border: 0; color: var(--accent); cursor: pointer; font-size: 13px; padding: 2px 0; }
.comment-login-tip { color: var(--muted); font-size: 14px; }

/* 评论表单 */
.comment-form { margin-top: 24px; }
.comment .comment-form { margin: 12px 0 4px 48px; padding: 12px; border: 1px solid var(--border); border-radius: 8px; background: color-mix(in srgb, var(--card) 92%, var(--accent)); }
.comment-form input, .comment-form textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 5px; font-family: inherit; font-size: 15px; background: var(--bg); color: var(--fg); }
.comment-form input[name="notify"] {width: auto;}
.comment-form .hp { position: absolute; left: -9999px; } /* 蜜罐字段隐藏 */
.comment-form button { background: var(--accent); color: #fff; border: 0; padding: 9px 22px; border-radius: 5px; cursor: pointer; font-size: 15px; }
.comment-form-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.comment-form button.comment-cancel-reply { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.comment-tip, .comment-closed { color: var(--muted); font-size: 13px; }
.comment-msg { padding: 10px; border-radius: 5px; margin-top: 12px; }
.comment-msg.ok { background: #e6f7ea; color: #1a7f3c; }
.comment-msg.err { background: #fdeaea; color: #b03030; }

/* 评论响应式 */
@media (max-width: 860px) {
  .comment-head { align-items: flex-start; flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .comment-children { padding-left: 14px; }
  .comment-form button { width: 100%; }
}

/* ============================================================
   18. 滚动工具 (Scroll Tools) —— 右下角固定"到顶/到底"按钮
   ============================================================ */
.scroll-tools { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 20; }
.scroll-btn { width: 42px; height: 42px; border: 1px solid var(--header-chip-border, var(--border)); border-radius: 999px; background: var(--header-chip-bg); color: var(--fg); cursor: pointer; box-shadow: var(--surface-shadow); }
@media (max-width: 860px) {
  .scroll-tools { right: 12px; bottom: 12px; }
  .scroll-btn { width: 38px; height: 38px; }
}

/* ============================================================
   19. 页面底部 (Footer)
   ============================================================ */
.site-footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; padding: 20px 0; text-align: center; }

/* ============================================================
   20. 全局焦点样式
   ============================================================ */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ============================================================
   21. 打印样式
   ============================================================ */
@media print {
  .site-header, .widgets, .scroll-tools, .site-footer, .comments, .post-nav { display: none; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .container { max-width: 100%; padding: 0; }
  .layout { display: block; }
  .main-col { max-width: 100%; }
  a { color: #000; text-decoration: underline; }
  pre, code { border: 1px solid #ccc; background: #f5f5f5; }
}

/* SQL 执行详情 footer */
.sql-details-footer {
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--border);
  background: var(--bg-secondary);
}
.sql-details-footer details {
  padding: 12px 20px;
}
.sql-details-footer summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  user-select: none;
}
.sql-details-footer summary:hover {
  color: var(--text);
}
.sql-details-content {
  margin: 8px 0 0;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.78rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre-wrap;
}