/* DDKK 文章布局样式 - 基于 Ant Design 5.x 设计规范 */
/* 所有选择器均使用完整前缀，避免样式冲突 */

:root {
  --ddkk-code-fullscreen-close-bg: rgba(255, 255, 255, 0.1);
  --ddkk-code-fullscreen-close-border: rgba(255, 255, 255, 0.25);
  --ddkk-code-fullscreen-close-color: rgba(255, 255, 255, 0.88);
  --ddkk-code-fullscreen-close-hover-bg: rgba(255, 255, 255, 0.2);
  --ddkk-code-fullscreen-close-hover-border: rgba(255, 255, 255, 0.38);
}

:root[data-ddkk-hljs-theme-mode="light"] {
  --ddkk-code-fullscreen-close-bg: rgba(0, 0, 0, 0.05);
  --ddkk-code-fullscreen-close-border: rgba(0, 0, 0, 0.12);
  --ddkk-code-fullscreen-close-color: rgba(15, 23, 42, 0.86);
  --ddkk-code-fullscreen-close-hover-bg: rgba(0, 0, 0, 0.09);
  --ddkk-code-fullscreen-close-hover-border: rgba(0, 0, 0, 0.2);
}

:root[data-ddkk-hljs-theme="monokai"] {
  --ddkk-code-fullscreen-close-bg: rgba(248, 248, 242, 0.15);
  --ddkk-code-fullscreen-close-border: rgba(248, 248, 242, 0.35);
  --ddkk-code-fullscreen-close-color: #f8f8f2;
  --ddkk-code-fullscreen-close-hover-bg: rgba(248, 248, 242, 0.24);
  --ddkk-code-fullscreen-close-hover-border: rgba(248, 248, 242, 0.5);
}

:root[data-ddkk-hljs-theme="atom-one-dark"] {
  --ddkk-code-fullscreen-close-bg: rgba(246, 248, 250, 0.13);
  --ddkk-code-fullscreen-close-border: rgba(246, 248, 250, 0.35);
  --ddkk-code-fullscreen-close-color: #f6f8fa;
  --ddkk-code-fullscreen-close-hover-bg: rgba(246, 248, 250, 0.22);
  --ddkk-code-fullscreen-close-hover-border: rgba(246, 248, 250, 0.5);
}

:root[data-ddkk-hljs-theme="vs2015"] {
  --ddkk-code-fullscreen-close-bg: rgba(245, 245, 245, 0.17);
  --ddkk-code-fullscreen-close-border: rgba(245, 245, 245, 0.4);
  --ddkk-code-fullscreen-close-color: #f5f5f5;
  --ddkk-code-fullscreen-close-hover-bg: rgba(245, 245, 245, 0.27);
  --ddkk-code-fullscreen-close-hover-border: rgba(245, 245, 245, 0.55);
}

:root[data-ddkk-hljs-theme="atom-one-light"] {
  --ddkk-code-fullscreen-close-bg: rgba(31, 35, 42, 0.08);
  --ddkk-code-fullscreen-close-border: rgba(31, 35, 42, 0.18);
  --ddkk-code-fullscreen-close-color: #1f232a;
  --ddkk-code-fullscreen-close-hover-bg: rgba(31, 35, 42, 0.14);
  --ddkk-code-fullscreen-close-hover-border: rgba(31, 35, 42, 0.28);
}

:root[data-ddkk-hljs-theme="xcode"] {
  --ddkk-code-fullscreen-close-bg: rgba(20, 27, 37, 0.06);
  --ddkk-code-fullscreen-close-border: rgba(20, 27, 37, 0.16);
  --ddkk-code-fullscreen-close-color: #1c222d;
  --ddkk-code-fullscreen-close-hover-bg: rgba(20, 27, 37, 0.13);
  --ddkk-code-fullscreen-close-hover-border: rgba(20, 27, 37, 0.26);
}

.article-content {
  font-size: 15px;
  line-height: 1.7;
  word-break: break-word;
  word-wrap: break-word;
  font-weight: 400;
  color: #252933;
  padding-bottom: 1px;
  background-color: #fff;
}

.article-content p {
  line-height: inherit;
  margin: 22px 0;
}

.article-content p:last-child {
  margin-bottom: 0;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
  font-weight: 600;
  line-height: 1.5;
  color: #252933;
  margin-top: 25px;
  margin-bottom: 10px;
  padding-bottom: 5px;
  transition: color 0.2s ease;
}

/* 点击锚链接时标题高亮显示（仅字体颜色变红色） */
.article-content .catalog-h.ddkk-heading-highlight {
  color: #f9007d !important;
}

.article-content h1 {
  font-size: 22px;
  line-height: 34px;
  margin-bottom: 5px;
  padding-bottom: 0;
  border-bottom: none;
  margin-top: 0;
}

.article-content h2 {
  font-size: 20px;
  line-height: 32px;
  padding-bottom: 12px;
  border-bottom: 1px solid #ececec;
}

.article-content h3 {
  font-size: 18px;
  line-height: 26px;
}

.article-content h4 {
  font-size: 16px;
  line-height: 24px;
}

.article-content h5 {
  font-size: 15px;
  line-height: 22px;
}

.article-content h6 {
  font-size: 14px;
  line-height: 22px;
}

.article-content ul,
.article-content ol {
  margin: 22px 0;
  padding-left: 28px;
  line-height: inherit;
}

.article-content ul {
  list-style-type: disc;
}

.article-content ol {
  list-style-type: decimal;
}

.article-content li {
  margin-bottom: 0;
  line-height: inherit;
}

.article-content ul ul,
.article-content ol ol,
.article-content ul ol,
.article-content ol ul {
  margin-top: 3px;
}

.article-content ol li {
  padding-left: 6px;
}

.article-content a {
  color: #1677ff;
  text-decoration: none;
  transition: color 0.2s;
}

.article-content a:hover {
  color: #0958d9;
}

.article-content img {
  max-width: 100%;
  height: auto;
}

.article-content code:not(pre code) {
  word-break: break-word;
  border-radius: 2px;
  background-color: #fff5f5;
  font-size: 0.87em;
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  color: #ff502c;
  padding: 0.065em 0.4em;
}

.article-content pre {
  background: transparent;
  border: none;
  border-radius: 4px;
  padding: 0;
  overflow-x: auto;
  margin: 0;
  line-height: 1.6;
}

.article-content pre code {
  padding: 15px 12px;
  margin: 0;
  display: block;
  overflow-x: auto;
  overflow-wrap: normal;
  word-wrap: normal;
  word-break: normal;
  font-size: 12px;
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-variant-ligatures: common-ligatures;
  font-feature-settings: 'liga' 1, 'calt' 1;
  border-radius: 0;
}

.article-content blockquote {
  color: #666;
  padding: 1px 23px;
  margin: 22px 0;
  border-left: 4px solid #cbcbcb;
  background-color: #f8f8f8;
}

.article-content blockquote p {
  margin: 10px 0;
}

.article-content blockquote p:not(:last-child) {
  margin-bottom: 8px;
}

.article-content table {
  display: inline-block !important;
  font-size: 12px;
  width: auto;
  max-width: 100%;
  overflow: auto;
  border: 1px solid #f6f6f6;
  margin: 22px 0;
}

.article-content table thead {
  background: #f6f6f6;
  color: #000;
}

.article-content table tr:nth-child(2n) {
  background-color: #fcfcfc;
}

.article-content table th,
.article-content table td {
  padding: 12px 7px;
  line-height: 24px;
  text-align: left;
  border: none;
}

.article-content hr {
  border: none;
  border-top: 1px solid #ddd;
  margin: 32px 0;
}

.ddkk-code-block {
  position: relative;
  background: transparent;
  border-radius: 4px;
  border: none;
  margin: 40px 0 16px 0;
  overflow: visible;
}

.ddkk-code-block pre code.hljs {
  border-radius: 4px;
  padding: 15px 12px;
}

/* GitHub 和 Xcode 主题使用不同的背景色，与文章主区域形成视觉区分 */
:root[data-ddkk-hljs-theme="github"] .ddkk-code-block pre code.hljs {
  background-color: #f6f8fa !important;
}

:root[data-ddkk-hljs-theme="xcode"] .ddkk-code-block pre code.hljs {
  background-color: #f8f8f8 !important;
}

.ddkk-code-block pre {
  margin: 0;
}

/* 代码块操作按钮容器，按钮紧凑排列 */
.ddkk-code-btn-container {
  position: absolute;
  top: -28px;
  right: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 10;
}

.ddkk-code-copy-btn,
.ddkk-code-line-number-btn,
.ddkk-code-fullscreen-btn {
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.4;
  height: 20px;
  color: rgba(0, 0, 0, 0.65);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
  white-space: nowrap;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ddkk-code-copy-btn:hover,
.ddkk-code-line-number-btn:hover,
.ddkk-code-fullscreen-btn:hover {
  color: #1677ff;
  border-color: #1677ff;
}

.ddkk-code-copy-btn.ddkk-code-copy-success {
  color: #52c41a;
  border-color: #52c41a;
}

.ddkk-code-line-number-btn.ddkk-code-btn-active,
.ddkk-code-fullscreen-btn.ddkk-code-btn-active {
  color: #1677ff;
  border-color: #1677ff;
  background: rgba(22, 119, 255, 0.1);
}

.ddkk-code-theme-select {
  padding: 2px 8px;
  padding-right: 24px; /* 为下拉箭头图标预留空间 */
  font-size: 12px;
  line-height: 1.4;
  height: 20px;
  border-radius: 3px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: rgba(255, 255, 255, 0.95);
  color: rgba(0, 0, 0, 0.65);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  box-sizing: border-box;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='rgba(0,0,0,0.65)' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 6px center;
  background-size: 12px;
}

.ddkk-code-theme-select:hover {
  border-color: #1677ff;
}

.ddkk-code-theme-select:focus {
  outline: none;
  border-color: #1677ff;
  box-shadow: 0 0 0 1px rgba(22, 119, 255, 0.15);
}

/* 代码行号显示样式（基于 highlightjs-line-numbers.js） */
.ddkk-code-block pre code table.hljs-ln {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  border: none;
  background: transparent !important;
  box-shadow: none;
}

.ddkk-code-block pre code table.hljs-ln td {
  padding: 0;
  border: none;
  background: transparent !important;
  line-height: inherit;
  vertical-align: top;
}

.ddkk-code-block pre code table.hljs-ln td.hljs-ln-numbers {
  text-align: left;
  padding-right: 1em;
  padding-left: 8px;
  user-select: none;
  pointer-events: none;
  width: 1.25em;
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}
:root .ddkk-code-block pre code table.hljs-ln td.hljs-ln-numbers .hljs-ln-n {
  display: inline-block;
  width: 100%;
  background: transparent !important;
}

:root.ddkk-hljs-theme-light .ddkk-code-block pre code table.hljs-ln td.hljs-ln-numbers,
:root.ddkk-hljs-theme-light .ddkk-code-block pre code table.hljs-ln td.hljs-ln-numbers .hljs-ln-n {
  color: rgba(15, 23, 42, 0.5);
  background: transparent !important;
}

:root.ddkk-hljs-theme-dark .ddkk-code-block pre code table.hljs-ln td.hljs-ln-numbers,
:root.ddkk-hljs-theme-dark .ddkk-code-block pre code table.hljs-ln td.hljs-ln-numbers .hljs-ln-n {
  color: rgba(226, 232, 240, 0.55);
  background: transparent !important;
}

.ddkk-code-block pre code table.hljs-ln td.hljs-ln-code {
  padding-left: 0;
  padding-right: 12px;
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  background: transparent !important;
  line-height: inherit;
  vertical-align: top;
}

.ddkk-code-block pre code table.hljs-ln tr {
  line-height: inherit;
  background: transparent !important;
  margin: 0;
  padding: 0;
}

/* 代码全屏显示容器 */
.ddkk-code-fullscreen-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(8px);
  transition: background-color 0.3s ease;
}

/* 深色主题全屏背景 */
:root.ddkk-hljs-theme-dark .ddkk-code-fullscreen-container {
  background: rgba(0, 0, 0, 0.9);
}

/* 浅色主题全屏背景 */
:root.ddkk-hljs-theme-light .ddkk-code-fullscreen-container {
  background: rgba(255, 255, 255, 0.95);
}

.ddkk-code-fullscreen-block {
  position: relative;
  max-width: 95%;
  max-height: 95%;
  margin: 0;
  border-radius: 8px;
  padding: 0;
  box-sizing: border-box;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* 深色主题全屏代码块边框和背景 */
:root.ddkk-hljs-theme-dark .ddkk-code-fullscreen-block {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
}

/* 浅色主题全屏代码块边框和背景 */
:root.ddkk-hljs-theme-light .ddkk-code-fullscreen-block {
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: transparent;
}

.ddkk-code-fullscreen-block pre {
  flex: 1;
  max-height: calc(95vh - 60px);
  overflow: auto;
  margin: 0;
  box-sizing: border-box;
  padding: 20px;
  background: transparent;
}

/* 全屏代码块滚动条样式 - 深色主题 */
:root.ddkk-hljs-theme-dark .ddkk-code-fullscreen-block pre::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

:root.ddkk-hljs-theme-dark .ddkk-code-fullscreen-block pre::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
}

:root.ddkk-hljs-theme-dark .ddkk-code-fullscreen-block pre::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  border: 2px solid rgba(0, 0, 0, 0.1);
}

:root.ddkk-hljs-theme-dark .ddkk-code-fullscreen-block pre::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* 全屏代码块滚动条样式 - 浅色主题 */
:root.ddkk-hljs-theme-light .ddkk-code-fullscreen-block pre::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

:root.ddkk-hljs-theme-light .ddkk-code-fullscreen-block pre::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
  border-radius: 6px;
}

:root.ddkk-hljs-theme-light .ddkk-code-fullscreen-block pre::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

:root.ddkk-hljs-theme-light .ddkk-code-fullscreen-block pre::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

.ddkk-code-fullscreen-block pre code {
  padding: 0;
  font-size: 14px;
  line-height: 1.6;
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-variant-ligatures: common-ligatures;
  font-feature-settings: 'liga' 1, 'calt' 1;
  display: block;
}

.ddkk-code-fullscreen-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
  color: var(--ddkk-code-fullscreen-close-color);
  background: var(--ddkk-code-fullscreen-close-bg);
  border: 1px solid var(--ddkk-code-fullscreen-close-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(10px);
}

.ddkk-code-fullscreen-close:hover {
  color: var(--ddkk-code-fullscreen-close-color);
  background: var(--ddkk-code-fullscreen-close-hover-bg);
  border-color: var(--ddkk-code-fullscreen-close-hover-border);
}

.article-content strong {
  font-weight: 600;
  color: rgba(0, 0, 0, 0.88);
}

.article-content em {
  font-style: italic;
}

.article-content del {
  text-decoration: line-through;
  color: rgba(0, 0, 0, 0.45);
}

@media (max-width: 767px) {
  .article-content {
    font-size: 14px;
  }

  .article-content h1 {
    font-size: 18px;
    line-height: 26px;
  }

  .article-content h2 {
    font-size: 17px;
    line-height: 26px;
  }

  .article-content h3 {
    font-size: 16px;
    line-height: 24px;
  }

  .article-content h4 {
    font-size: 15px;
    line-height: 22px;
  }

  .article-content h5 {
    font-size: 14px;
    line-height: 20px;
  }

  .article-content h6 {
    font-size: 14px;
    line-height: 20px;
  }

  /* 移动端代码块字体优化 */
  .article-content pre code {
    font-size: 11px;
  }

  .ddkk-code-block pre code.hljs {
    font-size: 11px;
  }

  /* 移动端代码块按钮优化 */
  .ddkk-code-btn-container {
    top: -26px;
    right: 4px;
    gap: 3px;
  }

  .ddkk-code-theme-select {
    max-width: 80px;
    font-size: 11px;
    padding: 2px 6px;
    padding-right: 20px;
    background-position: right 4px center;
    background-size: 10px;
  }

  .ddkk-code-copy-btn,
  .ddkk-code-line-number-btn,
  .ddkk-code-fullscreen-btn {
    padding: 2px 6px;
    font-size: 11px;
    height: 18px;
  }
}

/* ============================================
   Mermaid 图表样式 - 响应式支持
   ============================================ */

/* Mermaid 容器基础样式 */
.article-content .mermaid-container {
  width: 100%;
  max-width: 100%;
  overflow: auto;
  margin: 1.5em 0;
  padding: 1em;
  background: #f8f9fa;
  border-radius: 4px;
  box-sizing: border-box;
  position: relative;
  -webkit-overflow-scrolling: touch; /* iOS 平滑滚动 */
}

/* Mermaid 缩放控制按钮 */
.article-content .mermaid-zoom-controls {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 4px;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(4px);
}

.article-content .mermaid-zoom-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: #fff;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #333;
  transition: all 0.2s;
  box-sizing: border-box;
}

.article-content .mermaid-zoom-btn:hover:not(:disabled) {
  background: #f0f0f0;
  border-color: #1677ff;
  color: #1677ff;
}

.article-content .mermaid-zoom-btn:active:not(:disabled) {
  background: #e6f7ff;
  transform: scale(0.95);
}

.article-content .mermaid-zoom-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.article-content .mermaid-zoom-btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

/* Mermaid 全屏模式 */
.article-content .mermaid-container.mermaid-fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  margin: 0;
  padding: 20px;
  background: #fff;
  z-index: 9999;
  border-radius: 0;
}

.article-content .mermaid-container.mermaid-fullscreen {
  overflow: hidden;
}

.article-content .mermaid-container.mermaid-fullscreen .mermaid-responsive-wrapper {
  width: 100%;
  height: calc(100vh - 40px);
  min-height: calc(100vh - 40px);
  overflow: auto;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

.article-content .mermaid-container.mermaid-fullscreen .mermaid-responsive-wrapper:active {
  cursor: grabbing;
}

.article-content .mermaid-container.mermaid-fullscreen .mermaid-zoom-controls {
  top: 12px;
  right: 12px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Mermaid 响应式包装器 */
.article-content .mermaid-responsive-wrapper {
  width: 100%;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  position: relative;
  -webkit-overflow-scrolling: touch;
  cursor: default;
}

/* Mermaid 图表元素 */
.article-content .mermaid {
  width: 100%;
  max-width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  transition: transform 0.3s ease;
  transform-origin: center center;
}

/* Mermaid SVG 响应式 */
.article-content .mermaid svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 移动端优化 */
@media (max-width: 767px) {
  .article-content .mermaid-container {
    margin: 1em 0;
    padding: 0.75em;
    border-radius: 3px;
  }

  .article-content .mermaid-responsive-wrapper {
    min-height: 150px;
  }

  /* 确保移动端可以横向滚动查看大图表 */
  .article-content .mermaid-container {
    -webkit-overflow-scrolling: touch;
    overflow: auto;
  }

  /* 移动端字体大小调整 */
  .article-content .mermaid svg {
    font-size: 12px;
  }

  /* 移动端缩放按钮调整 */
  .article-content .mermaid-zoom-controls {
    top: 4px;
    right: 4px;
    padding: 3px;
    gap: 3px;
  }

  .article-content .mermaid-zoom-btn {
    width: 24px;
    height: 24px;
  }

  .article-content .mermaid-zoom-btn svg {
    width: 14px;
    height: 14px;
  }

  /* 移动端全屏模式 */
  .article-content .mermaid-container.mermaid-fullscreen {
    padding: 10px;
  }

  .article-content .mermaid-container.mermaid-fullscreen {
    overflow: hidden;
  }

  .article-content .mermaid-container.mermaid-fullscreen .mermaid-responsive-wrapper {
    height: calc(100vh - 20px);
    min-height: calc(100vh - 20px);
    overflow: auto;
  }

  .article-content .mermaid-container.mermaid-fullscreen .mermaid-zoom-controls {
    top: 8px;
    right: 8px;
  }
}

/* 平板设备优化 */
@media (min-width: 768px) and (max-width: 1024px) {
  .article-content .mermaid-container {
    padding: 1em;
  }
}

/* 桌面端优化 */
@media (min-width: 1025px) {
  .article-content .mermaid-container {
    padding: 1.25em;
  }

  .article-content .mermaid svg {
    font-size: 14px;
  }
}