:root>* {
  --md-primary-fg-color: #518FC1;
  --md-primary-fg-color--light: #518FC1;
  --md-primary-fg-color--dark: #518FC1;
}


/* 图片样式优化 - 合并相似规则 */
img.img1, img.img2, img.img3 {
  border-radius: 25px;
  contain: paint; /* 限制重绘区域 */
}

/* 社交图标颜色 */
img.twitter { color: #1DA1F2; }
.bilibili { color: #EA7A99; }
.github { color: #25292E; }
.laptop { color: #d1e82a; }

/* 心跳动画优化 */
@keyframes heart {
  0%, 40%, 80%, 100% { transform: scale(1); }
  20%, 60% { transform: scale(1.15); }
}

.heart {
  animation: heart 1000ms infinite;
  will-change: transform; /* 提示浏览器将有变换 */
  transform: translateZ(0); /* 强制GPU加速 */
}


/* .md-typeset .admonition,
.md-typeset details {
  border-width: 0;
  border-left-width: 4px;
} */

/* 自定义提示框图标 */
:root {
  --md-admonition-icon--pied-piper: url("data:image/svg+xml,%3Csvg width='30.000000' height='30.000000' viewBox='0 0 30 30' fill='none' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink'%3E%3Cdesc%3E Created with Pixso. %3C/desc%3E%3Cdefs%3E%3CclipPath id='clip103_2030'%3E%3Crect id='icon' width='30.000000' height='30.000000' fill='white'/%3E%3C/clipPath%3E%3C/defs%3E%3Cg clip-path='url(%23clip103_2030)'%3E%3Cpath id='icon' d='M25.8 5.40002L25.8 24.6L4.20001 24.6L4.20001 5.40002L25.8 5.40002ZM9.60001 10.8L13.8 15L9.60001 19.2M15.6 19.2L21.6 19.2' stroke='%23101112' stroke-width='1.200000'/%3E%3C/g%3E%3C/svg%3E%0A");
  --md-admonition-icon--pied-piper1: var(--md-admonition-icon--pied-piper); /* 复用相同的图标 */
}

/* 提示框样式 - pied-piper */
.md-typeset .admonition.pied-piper,
.md-typeset details.pied-piper {
  border-color: rgb(43, 155, 70);
  font-size: large;
  contain: content; /* 包含内容重绘 */
}

.md-typeset .pied-piper>.admonition-title,
.md-typeset .pied-piper>summary {
  background-color: rgba(43, 155, 70, 0.1);
}

.md-typeset .pied-piper>.admonition-title::before,
.md-typeset .pied-piper>summary::before {
  background-color: rgb(43, 155, 70);
  -webkit-mask-image: var(--md-admonition-icon--pied-piper);
  mask-image: var(--md-admonition-icon--pied-piper);
}

/* 提示框样式 - pied-piper1 */
.md-typeset .admonition.pied-piper1,
.md-typeset details.pied-piper1 {
  font-size: large;
  width: 100%;
  border-radius: 25px; /* 简化边框半径设置 */
  contain: content; /* 包含内容重绘 */
}

.md-typeset .pied-piper1>.admonition-title,
.md-typeset .pied-piper1>summary {
  /* background-color: rgba(238, 243, 254, 1); 修复线性渐变为单色 */
  border-top-left-radius: 25px;
  border-top-right-radius: 25px;
  height: 45px;
}

.md-typeset .pied-piper1>.admonition-title::before,
.md-typeset .pied-piper1>summary::before {
  background-color: rgb(31, 31, 33);
  -webkit-mask-image: var(--md-admonition-icon--pied-piper1);
  mask-image: var(--md-admonition-icon--pied-piper1);
}


/* 滚动条 */
/* .git-revision-date-localized-plugin { color: #608DBD; }

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background-color: rgba(73, 177, 245, 0.2);
  border-radius: 2em;
}

::-webkit-scrollbar-thumb {
  background-color: #49b1f5;
  background-image: -webkit-linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.4) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.4) 50%,
    rgba(255, 255, 255, 0.4) 75%,
    transparent 75%,
    transparent
  );
  border-radius: 10px;
  
}

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

::-moz-selection {
  color: #fff;
  background-color: #49b1f5;
}
::-webkit-scrollbar:hover {
  width: 7px;
  height: 7px;
} */



/*bilbili*/
/*哔哩哔哩视频适配*/
/* .aspect-ratio {
  position: relative;
  width: 90%;
  height: auto;
  padding-bottom: 75%;
  margin: 3% auto;
  text-align: center;
}
.aspect-ratio iframe {
  position: absolute;
  width: 100%;
  height: 86%;
  left: 0;
  top: 0;
} */

/* a:hover {
  text-decoration: underline;
} */


/* footer a {
  text-decoration: none;
  transition: color 0.3s, text-decoration 0.3s;
}

footer a:hover {
  text-decoration: underline;
} */

/* footer .md-footer-meta {
  font-size: 16px;
  color: #6c757d;
} */



/*圆角*/
:root {
  --rcorners-border-radius: 25px;
  --rcorners-border-color: #518FC1;
  --rcorners-padding: 20px;
  --rcorners-width: 100%;
}

/* 圆角容器1 - 渐变背景 */
#rcorners1 {
  border-radius: var(--rcorners-border-radius);
  background: linear-gradient(to right, rgba(189, 224, 245), rgba(218, 232, 241), rgba(238, 237, 238));
  padding: var(--rcorners-padding);
  width: var(--rcorners-width);
  height: 100px;
  text-align: center;
  font-size: 16px;
  contain: layout paint; /* 限制重绘和布局 */
}

/* 圆角容器2-3 - 相同样式合并 */
#rcorners2, #rcorners3, #rcorners5 {
  border-radius: var(--rcorners-border-radius);
  border: 2px solid var(--rcorners-border-color);
  padding: var(--rcorners-padding);
  width: var(--rcorners-width);
  height: 100%;
  contain: layout; /* 限制布局计算 */
}

#rcorners2 {
  font-size: 16px;
}

/* 圆角容器4-6 - 轻量边框 */
#rcorners4, #rcorners6 {
  border-radius: 32px;
  border: 2px solid rgba(68,138,255,.1);
  padding: var(--rcorners-padding);
  height: 100%;
  contain: layout; /* 限制布局计算 */
}

#rcorners4 {
  width: 110%;
}

#rcorners6 {
  width: var(--rcorners-width);
}

/* 移动端适配 - 合并媒体查询 */
@media only screen and (max-width: 600px) {
  #rcorners4, #rcorners5 {
    border: none;
    width: 100%;
  }
}

/* 图片容器 */
.image-container {
  text-align: center;
  contain: layout; /* 限制布局计算 */
}

.image-container img {
  display: inline-block;
  margin: 10px;
  content-visibility: auto; /* 自动管理内容可见性 */
  contain-intrinsic-size: auto 200px; /* 提供默认尺寸 */
}

/* 评论框高度 */
#cusdis_thread > iframe {
  height: 30rem;
}

/* 渐变容器 */
#grad1 {
  height: 200px;
  background-color: red;
  background-image: linear-gradient(to bottom right, red, yellow);
  contain: paint; /* 限制重绘 */
}

/* 按钮样式 - 使用CSS变量统一管理 */
:root {
  --button-border-radius: 12px;
  --button-padding: 15px 32px;
  --button-margin: 4px 2px;
  --button-font-size: 16px;
  --button-transition: 0.4s;
}

/* 基础按钮样式 */
.buttoncss, .buttoncss1 {
  border-radius: var(--button-border-radius);
  border: none;
  color: white;
  padding: var(--button-padding);
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: var(--button-font-size);
  margin: var(--button-margin);
  cursor: pointer;
  will-change: background-color, color; /* 提示浏览器将有变化 */
}

.buttoncss {
  background-color: #4CAF50;
}

.buttoncss1 {
  background-color: #567fd0;
}

/* 按钮样式 - buttonxuan */
.buttonxuan {
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 16px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: var(--button-font-size);
  margin: var(--button-margin);
  transition-duration: var(--button-transition);
  cursor: pointer;
}

.buttonxuan1 {
  background-color: white;
  color: black;
  border: 2px solid #4CAF50;
}

.buttonxuan1:hover {
  background-color: #4CAF50;
  color: white;
}

/* 按钮样式 - buttonxuan2 */
.buttonxuan2 {
  display: inline-block;
  background-color: #ACE48E;
  color: #FFFFFF;
  text-align: center;
  font-size: 28px;
  padding: 20px;
  width: 300px;
  transition: all 0.5s;
  cursor: pointer;
  margin: 5px;
  border: 2px solid;
  border-radius: 25px;
  will-change: transform; /* 提示浏览器将有变换 */
}

.buttonxuan2 span, .buttonxuan3 span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}

.buttonxuan2 span:after, .buttonxuan3 span:after {
  content: '»';
  position: absolute;
  opacity: 0;
  top: 0;
  right: -20px;
  transition: 0.5s;
}

.buttonxuan2:hover span, .buttonxuan3:hover span {
  padding-right: 25px;
}

.buttonxuan2:hover span:after, .buttonxuan3:hover span:after {
  opacity: 1;
  right: 0;
}

/* 按钮样式 - buttonxuan3 */
.buttonxuan3:hover {
  display: inline-block;
  background-color: #5577D1;
  color: #FFFFFF;
  text-align: center;
  font-size: 28px;
  padding: 20px;
  width: 300px;
  transition: all 0.5s;
  cursor: pointer;
  margin: 5px;
  border: 2px solid;
  border-radius: 25px;
}

/* 响应式隐藏 */
div.hide {
  background-color: yellow;
  padding: 20px;
}

@media screen and (max-width: 1000px) {
  div.hide {
    display: none;
  }
}

/* 网格布局 - 使用CSS变量 */
:root {
  --grid-bg-color: #2196F3;
  --grid-gap: 10px;
  --grid-padding: 10px;
  --grid-item-bg-color: rgba(255, 255, 255, 0.8);
  --grid-item-padding: 20px 0;
  --grid-item-font-size: 30px;
}

/* 网格区域定义 */
.item1 { grid-area: header; }
.item2 { grid-area: menu; }
.item3 { grid-area: main; }
.item4 { grid-area: right; }
.item5 { grid-area: footer; }

.grid-container {
  display: grid;
  grid:
    'header header header header header header'
    'menu main main main right right'
    'menu footer footer footer footer footer';
  grid-gap: var(--grid-gap);
  background-color: var(--grid-bg-color);
  padding: var(--grid-padding);
  contain: layout; /* 限制布局计算 */
}

.grid-container>div {
  background-color: var(--grid-item-bg-color);
  text-align: center;
  padding: var(--grid-item-padding);
  font-size: var(--grid-item-font-size);
}

/* Markdown卡片样式优化 */
.md-typeset .grid.cards>ol>li,
.md-typeset .grid.cards>ul>li,
.md-typeset .grid>.card {
  border: 0.05rem solid var(--md-default-fg-color--lightest);
  border-radius: 0.7rem;
  display: block;
  margin: 0;
  padding: 0.8rem;
  transition: border 0.25s, box-shadow 0.25s;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  contain: content; /* 包含内容重绘 */
  will-change: box-shadow, border; /* 提示浏览器将有变化 */
}

/* 打赏容器 */
.reward-container {
  margin: 20px auto;
  padding: 10px 0;
  text-align: center;
  width: 90%;
  contain: layout; /* 限制布局计算 */
}

.reward-container button {
  background: transparent;
  border: 1px solid #6A8CB9;
  border-radius: 0;
  color: #6A8CB9;
  cursor: pointer;
  line-height: 2;
  outline: 0;
  padding: 0 15px;
  vertical-align: text-top;
  transition: color 0.3s; /* 只过渡颜色 */
}

.reward-container button:hover {
  background: transparent;
  border: 1px solid #608DBD;
  color: #e480b2;
}

#qr {
  display: none;
  text-align: center;
}

#qr img {
  width: 250px;
  margin: 10px;
  border-radius: 25px;
  content-visibility: auto; /* 自动管理内容可见性 */
}

#qr p {
  font-size: 16px;
  color: #555;
}

/* 遮盖效果 */
.mask {
  background-color: #252525;
  color: #252525;
  transition: color 0.5s;
}

.mask:hover {
  color: #ffffff;
}

/* 添加对减少动画的支持 */
@media (prefers-reduced-motion: reduce) {
  .heart, 
  .buttonxuan2, 
  .buttonxuan3,
  .buttonxuan2 span, 
  .buttonxuan3 span,
  .buttonxuan2 span:after, 
  .buttonxuan3 span:after,
  .mask,
  .reward-container button {
    transition: none !important;
    animation: none !important;
  }
}

/* hooks.css */
.version-info {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: #666;
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.runnable-code {
  border: 1px solid #ddd;
  border-radius: 8px;
  margin: 1rem 0;
}

.code-header {
  background: #f5f5f5;
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.run-btn {
  background: #007acc;
  color: white;
  border: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
}

/* 目录导航的缩进参考线 */
nav.md-nav--secondary ul {
  border-left: 1px solid lightblue;
}