/* GitBook 网站自定义样式 - 与main.css风格一致 */

/* 基本样式设置 */
:root {
  --main-color: #18bfef;
  --secondary-color: #212931;
  --text-color: #212931;
  --bg-color: #f5f7fa;
  --sidebar-bg: #f5f7fa;
  --link-color: #212931;
  --link-hover-color: #18bfef;
  --heading-color: #212931;
  --code-bg: rgba(220, 220, 220, 0.25);
  --border-color: #eeeeee;
  --success-color: #4caf50;
  --info-color: #18bfef;
  --warning-color: #ff9800;
  --danger-color: #f44336;
}

/* 整体布局和排版 */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 标题样式 */
.book-summary {
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
}

.book-summary ul.summary li a,
.book-summary ul.summary li span {
  padding: 8px 15px;
  color: var(--text-color);
  font-weight: normal;
  transition: all 0.2s ease;
}

.book-summary ul.summary li a:hover {
  color: var(--link-hover-color);
  background-color: rgba(0, 0, 0, 0.03);
  text-decoration: none;
  transform: translateX(2px);
}

.book-summary ul.summary li.active>a {
  color: var(--main-color);
  font-weight: 600;
  border-left: 3px solid var(--main-color);
}

/* 侧边栏章节效果 */
.book-summary ul.summary li a {
  position: relative;
  transition: all 0.2s ease;
  overflow: hidden;
}

.book-summary ul.summary li a:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--main-color);
  transition: width 0.3s ease;
}

.book-summary ul.summary li a:hover:after {
  width: 100%;
}

/* 链接样式 */
a {
  -moz-transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  -webkit-transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  -ms-transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  color: var(--link-color);
  border-bottom: dotted 1px;
  text-decoration: none;
}

a:hover {
  color: var(--link-hover-color);
  border-bottom-color: transparent;
}

/* 标题样式 */
.markdown-section h1,
.markdown-section h2,
.markdown-section h3,
.markdown-section h4,
.markdown-section h5,
.markdown-section h6 {
  font-weight: 600;
  line-height: 1.5;
  color: var(--heading-color);
  margin: 0 0 1rem 0;
  transition: color 0.3s ease, transform 0.2s ease;
}

.markdown-section h1:hover,
.markdown-section h2:hover,
.markdown-section h3:hover,
.markdown-section h4:hover,
.markdown-section h5:hover,
.markdown-section h6:hover {
  color: var(--main-color);
  transform: translateX(5px);
}

.markdown-section h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin: 0 0 2rem 0;
  border-bottom: none;
}

.markdown-section h2 {
  font-size: 1.75rem;
  line-height: 1.3;
  margin: 0 0 1.5rem 0;
  border-bottom: none;
}

.markdown-section h3 {
  font-size: 1.25rem;
  margin: 0 0 1.5rem 0;
}

.markdown-section h4 {
  font-size: 1rem;
}

.markdown-section h5 {
  font-size: 0.9rem;
}

.markdown-section h6 {
  font-size: 0.8rem;
  color: var(--heading-color);
}

/* 段落和文本 */
.markdown-section p {
  text-align: justify;
  margin: 0 0 2rem 0;
  line-height: 2.375;
}



/* 表格样式 */
.markdown-section table {
  border-collapse: collapse;
  width: 100%;
  margin: 0 0 2rem 0;
}

.markdown-section table th,
.markdown-section table td {
  border: 1px solid var(--border-color);
  padding: 0.75em 0.75em;
}

.markdown-section table th {
  color: var(--heading-color);
  font-size: 0.9em;
  font-weight: 600;
  text-align: left;
}

.markdown-section tr:nth-child(2n + 1) {
  background-color: rgba(220, 220, 220, 0.25);
}

/* 引用块 */
.markdown-section blockquote {
  border-left: solid 4px var(--border-color);
  font-style: italic;
  margin: 0 0 2rem 0;
  padding: 0.5rem 0 0.5rem 2rem;
}

/* 列表样式 */
.markdown-section ul {
  list-style: disc;
  margin: 0 0 2rem 0;
  padding-left: 1rem;
}

.markdown-section ol {
  list-style: decimal;
  margin: 0 0 2rem 0;
  padding-left: 1.25rem;
}

.markdown-section li {
  margin-bottom: 0.5em;
}

/* 分隔线 */
.markdown-section hr {
  border: 0;
  border-bottom: solid 2px var(--border-color);
  margin: 3rem 0;
}

/* 图片 */
.markdown-section img {
  max-width: 100%;
  display: block;
  margin: 0 0 2rem 0;
}

.markdown-section .image {
  border: 0;
  display: inline-block;
  position: relative;
}

.markdown-section .image.fit {
  width: 100%;
}

.markdown-section .image.left,
.markdown-section .image.right {
  max-width: 40%;
}

.markdown-section .image.left {
  float: left;
  padding: 0 1.5em 1em 0;
  top: 0.25em;
}

.markdown-section .image.right {
  float: right;
  padding: 0 0 1em 1.5em;
  top: 0.25em;
}

/* 搜索框样式 */
.book-search-input {
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1em;
  position: relative;
  transition: all 0.3s ease;
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.2s ease;
}

.book-search-input:hover {
  border-color: var(--main-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transform: scale(1.02);
}

.book-search-input .bottom-border {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--main-color);
  transition: width 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  z-index: 2;
}

.book-search-input:hover .bottom-border,
.book-search-input:focus-within .bottom-border {
  width: 100%;
}


/* 保持搜索相关按钮样式美观 */
.search-results-header button,
.search-results-footer button {
  background-color: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-size: 0.9em;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.2s ease;
}

.search-results-header button:hover,
.search-results-footer button:hover {
  border-color: var(--main-color);
  color: var(--main-color);
}

/* 搜索结果样式优化 */
#book-search-results .search-results ul.search-results-list li {
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

#book-search-results .search-results ul.search-results-list li:hover {
  background-color: rgba(24, 191, 239, 0.05);
  border-left-color: var(--main-color);
  transform: translateX(3px);
}

/* 搜索结果高亮样式 */
#book-search-results .search-results ul.search-results-list li p em {
  background-color: rgba(24, 191, 239, 0.2);
  font-style: normal;
  padding: 2px 4px;
  border-radius: 2px;
  font-weight: 500;
  box-shadow: 0 1px 3px rgba(24, 191, 239, 0.15);
  transition: all 0.2s ease;
}

#book-search-results .search-results ul.search-results-list li:hover p em {
  background-color: rgba(24, 191, 239, 0.3);
  box-shadow: 0 1px 4px rgba(24, 191, 239, 0.25);
}

#book-search-results span.search-highlight-keyword {
  background-color: rgba(24, 191, 239, 0.3);
  padding: 2px 4px;
  border-radius: 2px;
  font-weight: 500;
  box-shadow: 0 1px 3px rgba(24, 191, 239, 0.15);
  color: var(--text-color);
}

/* 搜索结果标题样式 */
#book-search-results .search-results ul.search-results-list li h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

#book-search-results .search-results ul.search-results-list li h3 a {
  color: var(--heading-color);
  text-decoration: none;
  border-bottom: none;
  transition: all 0.2s ease;
}

#book-search-results .search-results ul.search-results-list li h3 a:hover {
  color: var(--main-color);
  text-decoration: none;
}

/* 搜索无结果样式 */
#book-search-results .search-results .no-results {
  padding: 1rem;
  font-style: italic;
  color: #888;
  text-align: center;
  margin-top: 2rem;
}

/* 搜索动画效果 */
#book-search-results.open .search-results {
  animation: fadeInSearch 0.3s ease-out;
}

@keyframes fadeInSearch {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 搜索结果条目动画 */
#book-search-results .search-results ul.search-results-list li {
  opacity: 0;
  animation: fadeInItem 0.4s ease-out forwards;
}

#book-search-results .search-results ul.search-results-list li:nth-child(1) {
  animation-delay: 0.05s;
}

#book-search-results .search-results ul.search-results-list li:nth-child(2) {
  animation-delay: 0.1s;
}

#book-search-results .search-results ul.search-results-list li:nth-child(3) {
  animation-delay: 0.15s;
}

#book-search-results .search-results ul.search-results-list li:nth-child(4) {
  animation-delay: 0.2s;
}

#book-search-results .search-results ul.search-results-list li:nth-child(5) {
  animation-delay: 0.25s;
}

#book-search-results .search-results ul.search-results-list li:nth-child(n+6) {
  animation-delay: 0.3s;
}

@keyframes fadeInItem {
  from {
    opacity: 0;
    transform: translateX(-5px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 插件样式调整 */
/* expandable-chapters 插件 */
.book .book-summary .chapter>.articles {
  transition: max-height 0.3s ease;
}

/* 图标样式和悬停效果 */
.fa {
  display: inline-block;
  font: normal normal normal 14px/1 FontAwesome;
  font-size: inherit;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: color 0.2s ease-in-out;
}

.book-summary .fa {
  margin-right: 6px;
  color: rgba(0, 0, 0, 0.4);
}

.book-summary .fa:hover,
.book-summary li:hover .fa {
  color: var(--main-color);
}



/* 页面加载过渡动画 */
.book-body {
  -moz-transition: opacity 0.5s ease;
  -webkit-transition: opacity 0.5s ease;
  -ms-transition: opacity 0.5s ease;
  transition: opacity 0.5s ease;
}

.book.is-loading .book-body {
  opacity: 0;
}



/* 页脚样式 */
.gitbook-link {
  color: var(--text-color) !important;
  opacity: 0.6;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.gitbook-link:hover {
  opacity: 1;
  color: var(--main-color) !important;
}



/* anchor-navigation-ex 插件 */
.page-wrapper .page-inner {
  max-width: 900px;
  padding: 20px 40px;
}

.nav-chapters {
  width: 50px;
  font-size: 26px;
  opacity: 0.5;
  transition: all 0.3s ease;
  border: none;
  background-color: transparent;
  color: var(--text-color);
}

.nav-chapters:hover {
  opacity: 1;
  color: var(--main-color);
  transform: scale(1.1);
}


.button:hover {
  box-shadow: inset 0 0 0 2px var(--main-color);
  color: var(--main-color) !important;
}


/* 响应式调整 */
@media screen and (max-width: 1680px) {
  html {
    font-size: 12pt;
  }
}

@media screen and (max-width: 1280px) {
  html {
    font-size: 11pt;
  }
}

@media screen and (max-width: 980px) {
  .page-wrapper .page-inner {
    padding: 15px 20px;
  }

  .markdown-section h1 {
    font-size: 3.5em;
  }

  .markdown-section h2 {
    font-size: 1.5em;
  }
}

@media screen and (max-width: 736px) {
  html {
    font-size: 10pt;
  }

  .markdown-section h1 {
    font-size: 3em;
  }
}

@media screen and (max-width: 480px) {
  html {
    font-size: 9pt;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--main-color);
}

/* 文本选择样式 */
::selection {
  background: var(--main-color);
  color: #ffffff;
  text-shadow: none;
}

::-moz-selection {
  background: var(--main-color);
  color: #ffffff;
  text-shadow: none;
}

/* 焦点和交互样式 */
*:focus {
  outline: 2px solid var(--main-color);
  outline-offset: 2px;
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 悬停卡片效果 */
.markdown-section .card {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.markdown-section .card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  border-color: var(--main-color);
}


/* 高级动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.markdown-section {
  animation: fadeIn 0.6s ease-out;
}

/* 页面内部导航元素 */
.markdown-section a.anchor {
  opacity: 0;
  transition: opacity 0.2s ease;
}

.markdown-section h1:hover a.anchor,
.markdown-section h2:hover a.anchor,
.markdown-section h3:hover a.anchor,
.markdown-section h4:hover a.anchor,
.markdown-section h5:hover a.anchor,
.markdown-section h6:hover a.anchor {
  opacity: 1;
}

/* 内容区域图片悬停效果 */
.markdown-section img {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.markdown-section img:hover {
  transform: scale(1.02);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 提示框样式 */
.markdown-section .hint {
  padding: 1rem;
  margin: 1rem 0;
  border-left: 4px solid;
  position: relative;
  border-radius: 0 4px 4px 0;
}

.markdown-section .hint-info {
  background-color: rgba(24, 191, 239, 0.1);
  border-left-color: var(--main-color);
}

.markdown-section .hint-warning {
  background-color: rgba(255, 152, 0, 0.1);
  border-left-color: var(--warning-color);
}

.markdown-section .hint-danger {
  background-color: rgba(244, 67, 54, 0.1);
  border-left-color: var(--danger-color);
}

.markdown-section .hint-success {
  background-color: rgba(76, 175, 80, 0.1);
  border-left-color: var(--success-color);
}

/* 暗色模式下的提示框 */
@media (prefers-color-scheme: dark) {
  .markdown-section .hint {
    background-color: rgba(255, 255, 255, 0.05);
  }
}

/* 版本选择框样式 */
.versions-select select {
  background-color: var(--bg-color);
  height: 2em;
  line-height: 2em;
  border-radius: 4px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.versions-select select:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(24, 191, 239, 0.15);
}