html mark {
  background: rgba(251, 191, 36, 0.35);
}
html.dark mark {
  color: inherit;
  background: rgba(241, 196, 15, 0.4) !important;
}
.VPSocialLinks .VPSocialLink svg {
  width: 24px;
  height: 24px;
}
* {
  -webkit-tap-highlight-color: transparent;
  outline: none;
}
:focus-visible {
  outline: 2px solid var(--vp-c-brand-1);
}
.VPNavBar .menu,
.VPNavBar .translations,
.VPNavBar .appearance,
.VPNavBar .social-links,
.VPNavBar .extra {
  order: 2;
}
.VPLocalSearchBox .shell {
  border-radius: 8px;
}
.VPLocalSearchBox .search-bar {
  border-radius: 8px;
}
.VPNavBarSearchButton {
  border-radius: 8px;
}
@media (max-width: 767px) {
  .VPNavBarSearchButton {
    border-radius: 0 !important;
    background: none !important;
    background-color: transparent !important;
  }
}
.VPLocalSearchBox .result {
  border-radius: 8px;
  border-color: transparent !important;
  color: var(--vp-c-text-1) !important;
}
.VPLocalSearchBox .result.selected {
  border-color: var(--vp-c-brand-1) !important;
  color: var(--vp-c-brand-1) !important;
}
  /* 移动端首页顶栏粘性 */
@media (max-width: 959px) {
  .VPNav:has(.VPNavBar.home) {
    position: sticky !important;
    top: 0;
  }
}
/* 非玻璃状态下顶栏不透底 */
html:not(.glass-enabled) .VPNavBar {
  background-color: var(--vp-c-bg) !important;
}
/* 分割线 + 顶栏内容区禁止背景闪烁 */
html.glass-enabled .VPNavBar .divider {
  background-color: transparent !important;
}
html.glass-enabled .VPNavBar .content-body {
  background-color: transparent !important;
}
.VPNavBar.home .divider {
  opacity: 0;
  transition: opacity 0.3s ease;
}
.VPNavBar .divider-line {
  height: 0.5px !important;
  background-color: var(--vp-c-divider);
}
html.dark .VPNavBar .divider-line {
  background-color: rgba(255, 255, 255, 0.15) !important;
}
.VPHero .image-container img {
  filter: drop-shadow(0 0 18px #62cfd6);
}
/* 去掉 h2 之上的分割线（VitePress 默认会渲染 border-top） */
.vp-doc h2 {
  border-top: none !important;
  padding-top: 0 !important;
  margin-top: 32px !important;
}
:root {
  --vp-button-brand-bg: var(--vp-c-brand-2);
  --vp-button-brand-hover-bg: var(--vp-c-brand-1);
}
html.dark {
  --vp-sidebar-bg-color: oklch(16.5% 0 0);
  --vp-button-brand-bg: color-mix(in oklch, var(--vp-c-brand-3) 65%, black);
  --vp-button-brand-hover-bg: var(--vp-c-brand-3);
}

/* 侧边栏折叠动画（高级效果开启时） */
:root {
  interpolate-size: allow-keywords;
}
html.glass-enabled .VPSidebarItem .items {
  height: auto;
  overflow: hidden;
  transition: height 0.4s ease;
}
html.glass-enabled .VPSidebarItem.collapsed .items {
  display: block !important;
  height: 0;
}

/* 侧边栏当前页装饰线 */
.VPSidebarItem .text {
  display: table !important;
  flex-grow: 0 !important;
  background: linear-gradient(var(--vp-c-brand-1), var(--vp-c-brand-1)) no-repeat left bottom;
  background-size: 0 1.5px;
  padding-bottom: 2px;
  transition: background-size 0.4s ease;
}
.VPSidebarItem.is-link:not(.collapsible).is-active > .item .text {
  background-size: 100% 1.5px;
}
/* 文件夹标题不显示激活态：无指示条、无高亮文字 */
.VPSidebarItem.collapsible.is-active > .item .text {
  background-size: 0 1.5px !important;
  color: var(--vp-c-text-2) !important;
}
.VPSidebarItem.collapsible.is-active > .item .indicator {
  display: none !important;
}

.VPLocalSearchBox .backdrop,
.VPLocalSearchBox .shell {
  transition: backdrop-filter 0.35s ease, background-color 0.35s ease, height 0.3s ease, min-height 0.3s ease;
}
.VPLocalSearchBox .shell {
  height: auto !important;
  min-height: auto !important;
  align-self: flex-start !important;
}


.VPNavBarSearchButton {
  transition: background-color 0.35s ease, border-radius 0.2s;
}
.VPLocalSearchBox .result {
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.35s ease;
}
.VPLocalSearchBox .result .titles,
.VPLocalSearchBox .result .title-icon {
  transition: color 0.2s ease;
}

/* 搜索框弹出动画（高级效果开启时） */
html.glass-enabled .VPLocalSearchBox .shell {
  animation: searchShellIn 0.3s ease;
}
html.glass-enabled .VPLocalSearchBox .result {
  opacity: 0;
}
/* 结果容器过渡（退出+高度） */
html.glass-enabled .VPLocalSearchBox .results {
  transition: opacity 0.2s ease, transform 0.2s ease, height 0.3s ease;
}
html.glass-enabled .VPLocalSearchBox .results.is-exiting {
  opacity: 0;
  transform: translateY(8px);
}
@keyframes searchShellIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes resultFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══ 毛玻璃过渡 ═══ */
.VPLocalSearchBox .backdrop {
  transition: backdrop-filter 0.5s ease;
}
.VPLocalSearchBox .shell {
  transition: backdrop-filter 0.5s ease, background-color 0.5s ease;
}
.VPNavBar.home,
.VPNavBar.has-sidebar .content-body {
  transition: backdrop-filter 0.5s ease, background-color 0.5s ease;
}
.VPNavBarSearchButton {
  transition: background-color 0.5s ease;
}

/* ═══ 毛玻璃 + 动效（glass-enabled 才生效） ═══ */
html.glass-enabled .VPLocalSearchBox .backdrop {
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
html.glass-enabled .VPLocalSearchBox .shell {
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background-color: color-mix(in oklch, var(--vp-c-bg) 88%, transparent) !important;
}
html.glass-enabled .VPLocalSearchBox .result {
  background-color: color-mix(in oklch, var(--vp-c-bg) 92%, transparent);
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease !important;
}
html.glass-enabled .VPLocalSearchBox .result:hover {
  background-color: color-mix(in oklch, var(--vp-c-bg) 84%, transparent);
}
html.glass-enabled .VPLocalSearchBox .result .titles,
html.glass-enabled .VPLocalSearchBox .result .title-icon {
  transition: color 0.2s ease !important;
}
@media (min-width: 768px) {
  html.glass-enabled .VPNavBarSearchButton {
    background-color: color-mix(in oklch, var(--vp-c-bg) 48%, transparent);
  }
}
html.glass-enabled.dark .VPLocalSearchBox .shell {
  background-color: color-mix(in oklch, var(--vp-c-bg) 92%, transparent) !important;
}
html.glass-enabled.dark .VPLocalSearchBox .result {
  background-color: var(--vp-c-bg-soft);
}
html.glass-enabled.dark .VPNavBarSearchButton {
  background-color: color-mix(in oklch, var(--vp-c-bg) 52%, transparent);
}
/* 所有页面顶栏毛玻璃 */
html.glass-enabled .VPNavBar {
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  background-color: color-mix(in oklch, var(--vp-c-bg) 60%, transparent) !important;
}
html.glass-enabled .VPNavBar.home {
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
}
html.glass-enabled.dark .VPNavBar {
  background-color: color-mix(in oklch, var(--vp-c-bg) 72%, transparent) !important;
}
/* 文档页本地导航毛玻璃 */
html.glass-enabled .VPLocalNav {
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  background-color: color-mix(in oklch, var(--vp-c-bg) 60%, transparent) !important;
}
/* 移动端菜单毛玻璃 */
html.glass-enabled .VPNavScreen {
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background-color: color-mix(in oklch, var(--vp-c-bg) 70%, transparent) !important;
}

/* 页面切换过渡 */
@view-transition { navigation: auto; }

/* 滚动条常驻占位，避免搜索框打开时页面右移 */
html { scrollbar-gutter: stable; }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.65); border-radius: 4px; }
html.dark ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.45); }

/* 阅读进度条 */
#vp-progress {
  position: fixed; top: 0; left: 0; z-index: 9999;
  height: 2px; background: var(--vp-c-brand-1);
  width: 0; transition: width 0.15s linear;
}

/* 回到顶部按钮 */
#vp-back-to-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 100;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--vp-c-divider);
  background: var(--vp-c-bg-elv);
  color: var(--vp-c-text-2);
  cursor: pointer; opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
#vp-back-to-top.visible { opacity: 1; transform: translateY(0); }
#vp-back-to-top:hover { color: var(--vp-c-brand-1); border-color: var(--vp-c-brand-1); box-shadow: 0 4px 16px rgba(0,0,0,0.25); }
#vp-back-to-top svg { width: 18px; height: 18px; }

/* ═══ 视频靠左（覆盖 VitePress 默认 margin: 16px 36px 的居中效果，与 MD 编辑器预览一致）═══ */
.vp-doc video {
  margin: 16px 0;
}

/* ═══ 显示「打开 PDF」按钮（覆盖主题 .doc-embed-btn 的 display:none，与 MD 编辑器预览一致）═══ */
.doc-embed-btn {
  display: inline-block;
  margin-top: 8px;
}