/* 文章内容 Callout 模块 */
.entry-content .callout {
  padding: 12px 14px;
  border-left: 4px solid #0a7cff;
  background: rgba(10, 124, 255, 0.06);
  border-radius: 8px;
  margin: 12px 0;
}
.entry-content .callout.warn {
  border-color: #f39c12;
  background: rgba(243, 156, 18, 0.08);
}

/* GitHub 按钮样式
------------------------------------------ */
.github-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: #24292e;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  color: var(--color-text-inverse);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* 按钮内容布局 */
.github-btn-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* GitHub Logo */
.github-icon {
  display: flex;
  align-items: center;
}

.github-icon svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

/* GitHub Logo SVG Path */
.github-icon path {
  d: path(
    "M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"
  );
}

/* 按钮文字 */
.github-text {
  font-weight: 500;
}

/* 星星计数区域 */
.github-stars {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  transition: all 0.3s ease;
}

/* 星星图标 */
.github-stars .octicon {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

/* 星星数字 */
.star-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-inverse);
}

/* 悬浮效果 */
.github-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  background: #2f363d;
}

/* 星星动画效果 */
.github-btn:hover .github-stars {
  background: rgba(255, 255, 255, 0.15);
}

.github-btn:hover .octicon {
  transform: scale(1.2);
  filter: drop-shadow(0 0 2px rgba(255, 215, 0, 0.6));
}

/* 点击星星效果 */
.github-stars:active .octicon {
  transform: scale(0.9);
}

/* 深色模式适配 */
[data-theme="dark"] .github-btn {
  background: #2f363d;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .github-btn:hover {
  background: #373e47;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

/* 响应式适配 */
@media (max-width: 768px) {
  .github-btn {
    width: 100%;
    justify-content: center;
  }
}

/* 下载区域基础样式 
------------------------------------------ */
.download-area {
  margin: 1.5rem 0;
  border-radius: 12px;
  background: var(--card-background, #fff);
  border: 1px solid var(--color-border, #eee);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

/* 头部样式 
------------------------------------------ */
.download-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  gap: 15px;
}

/* 头部左侧 */
.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.download-title {
  font-size: 1.1em;
  font-weight: 500;
}

.download-icon {
  font-size: 1.2em;
  animation: iconBounce 2s ease-in-out infinite;
}

@keyframes iconBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

/* 头部右侧信息 */
.header-info {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.9em;
  color: var(--color-text-inverse);
}

.info-item i {
  font-size: 0.9em;
}

/* 下载按钮区域
------------------------------------------ */
.download-content {
  padding: 20px;
}

.download-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin: 20px 0;
}

/* 下载按钮基础样式 */
.download-btn {
  position: relative;
  height: 45px;
  width: 200px;
  cursor: pointer;
  background: var(--color-primary);
  border: none;
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.button-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 100%;
  color: var(--color-text-inverse);
}

.svg-container {
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-icon {
  width: 24px;
  height: 24px;
  color: currentColor;
  transition: transform 0.3s ease;
}

.text-container {
  font-size: 14px;
  font-weight: 500;
}

/* 按钮颜色 */
.site-download {
  background: var(--color-primary);
}
.baidu-download {
  background: #409eff;
}
.lanzou-download {
  background: #ff9900;
}

/* 提取码样式 */
.download-code {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.8);
  color: var(--color-text-inverse);
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

/* 悬浮效果 */
.download-btn:hover {
  transform: translateY(-2px);
  filter: brightness(110%);
}

.download-btn:hover .download-icon {
  transform: scale(1.1);
}

.download-btn:hover .download-code {
  opacity: 1;
  visibility: visible;
  bottom: -25px;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .download-btn {
    width: 100%;
    max-width: 100%;
  }

  .download-code {
    position: static;
    margin-top: 8px;
    transform: none;
    opacity: 1;
    visibility: visible;
    text-align: center;
  }
}

/* 下载说明和底部
------------------------------------------ */
.download-note {
  margin-top: 20px;
  padding: 15px;
  border-radius: 8px;
  background: var(--color-background-light, #f8f9fa);
  color: var(--color-text-light, #666);
  font-size: 0.9em;
  line-height: 1.6;
}

.download-footer {
  padding: 12px 20px;
  background: var(--color-background-light, #f8f9fa);
  border-top: 1px solid var(--color-border, #eee);
}

.tips {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-light, #666);
  font-size: 0.85em;
}

.tips i {
  color: var(--color-primary);
}

/* 深色模式适配
------------------------------------------ */
[data-theme="dark"] {
  .download-area {
    background: var(--card-background, #1a1a1a);
    border-color: var(--color-border, #333);
  }

  .download-note,
  .download-footer {
    background: rgba(255, 255, 255, 0.05);
  }

  .download-footer {
    border-color: var(--color-border, #333);
  }

  .download-code {
    background: rgba(0, 0, 0, 0.9);
  }
}

/* 响应式适配
------------------------------------------ */
@media (max-width: 768px) {
  .download-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 15px;
  }

  .header-info {
    width: 100%;
    justify-content: flex-start;
  }

  .download-content {
    padding: 15px;
  }

  .download-action {
    flex-direction: column;
  }

  .download-btn {
    width: 100%;
  }

  .download-code {
    position: static;
    margin-top: 8px;
    transform: none;
    opacity: 1;
    visibility: visible;
    text-align: center;
  }
}

/* 键盘输入 */
.entry-content kbd {
  padding: 0.2em 0.4em;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  box-shadow: 0 2px 0 var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

[data-theme="dark"] .entry-content table {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* 文章过期提示样式 */
.article-outdated {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin: 1rem 0 2rem;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  background: rgba(255, 244, 222, 0.5);
  border: 1px solid #ffe4af;
}

.article-outdated i {
  font-size: 1.5rem;
  color: #ffa500;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.article-outdated .outdated-content {
  flex: 1;
}

.article-outdated strong {
  display: block;
  color: #cc7700;
  margin-bottom: 0.3rem;
}

.article-outdated p {
  margin: 0;
  font-size: 0.95rem;
  color: #666;
  line-height: 1.6;
}

/* 深色模式适配 */
[data-theme="dark"] .article-outdated {
  background: rgba(255, 244, 222, 0.1);
  border-color: rgba(255, 228, 175, 0.2);
}

[data-theme="dark"] .article-outdated strong {
  color: #ffb84d;
}

[data-theme="dark"] .article-outdated p {
  color: #999;
}

/* 文章结束标识（重写：容器/分隔线/徽章整体居中） */
.article-end {
  /* 尺寸变量：可按需微调 */
  --article-end-pill-h: 28px;
  --article-end-pill-px: 12px; /* pill 左右内边距 */

  position: relative;
  margin: 2rem 0 1.25rem;
  padding-block: calc(
    var(--article-end-pill-h) / 2 + 4px
  ); /* 为居中的徽章预留上下空间 */

  display: grid;
  place-items: center; /* 子元素水平/垂直居中 */
  text-align: center;
}
.article-end .end-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border),
    transparent
  );
}
.article-end .end-badge {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%); /* 精准压在分隔线中点 */
  z-index: 1; /* 覆盖在分隔线上方 */

  display: inline-flex;
  align-items: center;
  justify-content: center; /* 保证“END”在椭圆内水平/垂直都居中 */

  height: var(--article-end-pill-h);
  padding: 0 var(--article-end-pill-px);
  border-radius: 999px; /* 胶囊形状 */
  line-height: 1; /* 交由 flex 居中，不依赖行高 */
}
/* 使用伪元素绘制与页面背景一致的“垫片”，只遮住文字背后的细线 */
.article-end .end-badge::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  z-index: -1; /* 置于文字后面，但在分隔线上面 */
}
.article-end .end-text {
  display: inline-block;
  font-family: var(--font-primary);
  font-weight: 600;
  letter-spacing: 0.35em;
  color: var(--color-text-light);
  font-size: 0.85rem;
}
/* 深色模式 */
/* 深色模式：保持伪元素背景与边框，主体保持透明 */
[data-theme="dark"] .article-end .end-badge::before {
  background: var(--color-background);
  border-color: var(--color-border);
}

/* 评论计数链接样式 */
.scroll-to-comments {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.scroll-to-comments:hover {
  color: var(--color-text);
}

/* 文章正文样式 */
.entry-content {
  font-family: var(--font-content);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

/* 文章标题体系 */
.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
  font-family: var(--font-title);
  font-weight: 600;
  line-height: 1.4;
  margin: 1em 0 1em;
  color: var(--color-heading);
  position: relative;
}

.entry-content h2 {
  font-size: 1.75rem;
  padding-bottom: 0.5em;
  border-bottom: 2px solid var(--color-border);
}

.entry-content h2::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100px;
  height: 2px;
  background: var(--color-primary);
}

.entry-content h3 {
  font-size: 1.5rem;
  padding-left: 1rem;
  border-left: 4px solid var(--color-primary);
}

.entry-content h4 {
  font-size: 1.25rem;
}

.entry-content h5 {
  font-size: 1.1rem;
}

.entry-content h6 {
  font-size: 1rem;
}

/* 段落样式 */
.entry-content p {
  margin: 0.5em 0;
  text-align: justify;
}

.entry-content strong {
  color: var(--color-primary);
  font-weight: 600;
}

.entry-content em {
  color: #718096;
  font-style: italic;
}

/* 引用块 = Callout 风格（覆盖旧的引号装饰样式） */
.entry-content blockquote {
  padding: 12px 14px;
  border-left: 4px solid #0a7cff;
  background: rgba(10, 124, 255, 0.06);
  border-radius: 8px;
  margin: 12px 0;
}

/* 移除旧的 ::before / ::after 引号装饰 */
.entry-content blockquote::before,
.entry-content blockquote::after {
  content: none !important;
}

/* 警告变体：在编辑器给 blockquote 加 warn 类可用 */
.entry-content blockquote.warn {
  border-color: #f39c12;
  background: rgba(243, 156, 18, 0.08);
}

/* 深色模式微调 */
[data-theme="dark"] .entry-content blockquote {
  background: rgba(10, 124, 255, 0.1);
}

/* 兼容：保留 .callout 别名（可删除） */
.entry-content .callout {
  padding: 12px 14px;
  border-left: 4px solid #0a7cff;
  background: rgba(10, 124, 255, 0.06);
  border-radius: 8px;
  margin: 12px 0;
}
.entry-content .callout.warn {
  border-color: #f39c12;
  background: rgba(243, 156, 18, 0.08);
}
/* 文章内仿真键盘按键样式 
<span class="kbd">Ctrl</span> + <span class="kbd">C</span>
使用方式  */
.kbd {
  display: inline-block;
  border: 1px solid #ccc;
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 0 6px;
  background: #f9f9fb;
  font-family: ui-monospace, Consolas, monospace;
  color: #222;
}

/* 暗黑模式适配 */
@media (prefers-color-scheme: dark) {
  .kbd {
    border-color: #555;
    background: #1e1e1e;
    color: #eee;
  }
}

/* 列表样式 */
.entry-content ul,
.entry-content ol {
  margin: 1.5em 0;
  padding-left: 2em;
}

.entry-content ul {
  list-style: none;
}

.entry-content ul li {
  position: relative;
  margin-bottom: 0.5em;
}

.entry-content ul li::before {
  content: "";
  position: absolute;
  left: -1.5em;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

.entry-content ol {
  counter-reset: item;
  list-style: none;
}

.entry-content ol li {
  position: relative;
  margin-bottom: 0.5em;
  counter-increment: item;
}

.entry-content ol li::before {
  content: counter(item);
  position: absolute;
  left: -2em;
  top: 0.2em;
  width: 1.5em;
  height: 1.5em;
  line-height: 1.5em;
  text-align: center;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: 50%;
  font-size: 0.8em;
}

/* 链接容器本身也需要调整 */
.entry-content
  a:not(.download-btn):not(.github-btn):not([href$=".jpg"]):not(
    [href$=".jpeg"]
  ):not([href$=".png"]):not([href$=".gif"]):not([href$=".webp"]):not(
    [href$=".mp4"]
  ):not([href$=".webm"]):not([href*="youtube.com"]):not(
    [href*="youku.com"]
  ):not([href*="bilibili.com"]) {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  text-decoration: none;
  padding: 0;
  margin-left: 22px; /* 调整为与 favicon 位置对应 */
  margin-right: 2px; /* 右侧间距 */
  transition: all 0.3s ease;
}

/* 外部链接 Favicon */
.entry-content
  a[href^="http"]:not(.download-btn):not(.github-btn):not([href$=".jpg"]):not(
    [href$=".jpeg"]
  ):not([href$=".png"]):not([href$=".gif"]):not([href$=".webp"]):not(
    [href$=".mp4"]
  ):not([href$=".webm"]):not([href*="youtube.com"]):not(
    [href*="youku.com"]
  ):not([href*="bilibili.com"])::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-image: var(--favicon-url);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  margin-right: 6px;
}

/* 外部链接箭头图标 */
.entry-content
  a[href^="http"]:not(.download-btn):not(.github-btn):not([href$=".jpg"]):not(
    [href$=".jpeg"]
  ):not([href$=".png"]):not([href$=".gif"]):not([href$=".webp"]):not(
    [href$=".mp4"]
  ):not([href$=".webm"]):not([href*="youtube.com"]):not(
    [href*="youku.com"]
  ):not([href*="bilibili.com"])::after {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-left: 6px; /* 增加左侧间距 */
  margin-right: 2px; /* 增加右侧间距 */
  background-image: url("../../images/icons/link.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.6;
  position: relative;
  top: 1px;
}

/* 链接文字容器 */
.entry-content
  a:not(.download-btn):not(.github-btn):not([href$=".jpg"]):not(
    [href$=".jpeg"]
  ):not([href$=".png"]):not([href$=".gif"]):not([href$=".webp"]):not(
    [href$=".mp4"]
  ):not([href$=".webm"]):not([href*="youtube.com"]):not(
    [href*="youku.com"]
  ):not([href*="bilibili.com"])
  span {
  position: relative;
  padding-bottom: 1px;
  border-bottom: 1px dotted rgba(var(--color-primary-rgb), 0.4);
  transition: all 0.3s ease;
}

/* 内部链接图标 */
.entry-content
  a:not([href^="http"]):not(.download-btn):not(.github-btn):not(
    [href$=".jpg"]
  ):not([href$=".jpeg"]):not([href$=".png"]):not([href$=".gif"]):not(
    [href$=".webp"]
  ):not([href$=".mp4"]):not([href$=".webm"]):not([href*="youtube.com"]):not(
    [href*="youku.com"]
  ):not([href*="bilibili.com"])::before {
  content: "#";
  position: absolute;
  left: -20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  opacity: 0.6;
}

/* 悬浮效果 */
.entry-content
  a:not(.download-btn):not(.github-btn):not([href$=".jpg"]):not(
    [href$=".jpeg"]
  ):not([href$=".png"]):not([href$=".gif"]):not([href$=".webp"]):not(
    [href$=".mp4"]
  ):not([href$=".webm"]):not([href*="youtube.com"]):not(
    [href*="youku.com"]
  ):not([href*="bilibili.com"]):hover {
  color: var(--color-primary);
}

/* 悬浮时下划线样式 */
.entry-content
  a:not(.download-btn):not(.github-btn):not([href$=".jpg"]):not(
    [href$=".jpeg"]
  ):not([href$=".png"]):not([href$=".gif"]):not([href$=".webp"]):not(
    [href$=".mp4"]
  ):not([href$=".webm"]):not([href*="youtube.com"]):not(
    [href*="youku.com"]
  ):not([href*="bilibili.com"]):hover
  span {
  border-bottom-style: solid;
  border-bottom-width: 2px;
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

/* 深色模式适配 */
[data-theme="dark"] .entry-content a:not(.download-btn):not(.github-btn) span {
  border-bottom-color: rgba(var(--color-primary-rgb), 0.3);
}

[data-theme="dark"]
  .entry-content
  a:not(.download-btn):not(.github-btn):hover
  span {
  border-bottom-color: var(--color-primary);
}

[data-theme="dark"]
  .entry-content
  a:not([href^="http"]):not(.download-btn):not(.github-btn)::before {
  opacity: 0.4;
}

/* 行内代码块样式 */
.entry-content code:not([class*="language-"]) {
  margin: 0 4px;
  padding: 3px 8px 2px;
  font-size: 0.75rem; /* 更紧凑显示 */
  font-family: var(--font-mono, Consolas, Monaco, monospace);
  line-height: 1.2;
  color: #000041; /* rgb(0 0 65) */
  background-color: #e6f7ff;
  border: 1px solid #b8e0f3;
  border-radius: 0.33rem; /* 约 5.3px */
  vertical-align: middle;
  transition: background-color 0.18s ease, color 0.18s ease,
    border-color 0.18s ease;
}

/* 悬停效果 */
.entry-content code:not([class*="language-"]):hover {
  background-color: #d9f1ff;
  border-color: #9fd4ec;
}

/* 深色模式适配 */
[data-theme="dark"] .entry-content code:not([class*="language-"]) {
  color: #e6f7ff;
  background: rgba(var(--color-primary-rgb, 1, 102, 204), 0.22);
  border-color: rgba(var(--color-primary-rgb, 1, 102, 204), 0.35);
  font-size: 0.75rem;
}

[data-theme="dark"] .entry-content code:not([class*="language-"]):hover {
  background: rgba(var(--color-primary-rgb, 1, 102, 204), 0.3);
  border-color: rgba(var(--color-primary-rgb, 1, 102, 204), 0.5);
}

/*--------------------------------------------------------------
>>> 文章内图片样式（统一兼容：带说明/不带说明，1-4张）
--------------------------------------------------------------*/

/* 网格容器 */
.entry-content .image-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: stretch;
  --gap: 0.5rem;
  gap: var(--gap);
  margin: 2rem 0;
  width: 100%;
}

.entry-content .image-row > * {
  position: relative;
  box-sizing: border-box;
  overflow: hidden;
  min-width: 0;
}

/* 图片基础样式（不改） */
.entry-content .image-row img,
.entry-content .single-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
  background: var(--color-background-light);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

/* 单张图片容器（不改） */
.entry-content .single-image {
  position: relative;
  width: 100%;

  margin: 2rem auto;
  box-sizing: border-box;
}

/* 列宽规则 */
.entry-content .image-row.one > * {
  flex: 0 0 100%;
  max-width: 100%;
}
.entry-content .image-row.two > * {
  flex: 0 0 calc(50% - 0.25rem);
  max-width: calc(50% - 0.25rem);
}
/* 修复三列 2+1：用 (100% - 2*gap)/3，并减去 .1px 防止进位 */
.entry-content .image-row.three > * {
  flex: 0 0 calc((100% - (var(--gap) * 2)) / 3 - 0.1px);
  max-width: calc((100% - (var(--gap) * 2)) / 3 - 0.1px);
}
.entry-content .image-row.four > * {
  flex: 0 0 calc(25% - 0.375rem);
  max-width: calc(25% - 0.375rem);
}

/* 桌面端：两列/三列/四列强制单行显示 */
@media (min-width: 769px) {
  .entry-content .image-row.two,
  .entry-content .image-row.three,
  .entry-content .image-row.four {
    flex-wrap: nowrap;
  }
  /* 三列均分，避免 calc 进位导致 2+1 */
  .entry-content .image-row.three > * {
    flex: 1 1 0; /* 均分剩余空间 */
    max-width: none; /* 覆盖之前的 max-width 计算 */
  }
}

/* 说明文字：仅当父容器（非 img）或 .single-image 带 data-title 时显示 */
/* 注意：不要把 data-title 放到 <img> 上，img 上的 ::after 不会渲染 */
.entry-content .image-row > [data-title]:not(img)::after,
.entry-content .single-image[data-title]::after {
  content: attr(data-title);
  position: absolute;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  padding: 0.5rem 1.2rem;
  max-width: calc(100% - 1rem);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 6px;
  color: var(--color-text-inverse);
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  pointer-events: none; /* 不阻挡点击图片 */
  z-index: 1;
}

/* 悬停效果（不改） */
.entry-content .image-row img:hover,
.entry-content .single-image img:hover {
  transform: translateY(-2px);
}

/* 响应式（不改尺寸逻辑） */
@media (max-width: 992px) {
  .entry-content .image-row.four > * {
    flex: 0 0 calc(33.333% - 0.333rem);
    max-width: calc(33.333% - 0.333rem);
  }
}
@media (max-width: 768px) {
  .entry-content .image-row {
    gap: 1rem;
  }
  .entry-content .image-row.three > *,
  .entry-content .image-row.four > * {
    flex: 0 0 calc(50% - 0.5rem);
    max-width: calc(50% - 0.5rem);
  }
  .entry-content .single-image {
    max-width: 100%;
  }
}
@media (max-width: 480px) {
  .entry-content .image-row {
    gap: 0.5rem;
  }
  .entry-content .image-row > * {
    flex: 0 0 100% !important;
    max-width: 100% !important;
  }
}

/* 整组图片容器与说明（不影响 .image-row 布局） */
.entry-content figure.image-group {
  margin: 2rem 0;
}

.entry-content figure.image-group .image-row,
.entry-content figure.image-group .single-image {
  margin-bottom: 0.5rem; /* 组内图片与说明的间距 */
}

.entry-content .image-caption {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0; /* 由父容器控制外边距 */
  padding: 0 0.5rem; /* 轻微内边距，避免贴边 */
  word-break: break-word; /* 防止超长文本溢出 */
}

.entry-content .image-caption em {
  color: var(--color-text-light);
  font-style: italic;
  opacity: 0.95;
}

/* 深色模式（可选加强可读性） */
[data-theme="dark"] .entry-content .image-caption {
  color: var(--color-text-light);
}

/*--------------------------------------------------------------
>>> 文章内图片样式结束
--------------------------------------------------------------*/

/* 表格样式 */
.entry-content table {
  width: 100%;
  margin: 1em 0;
  border-collapse: collapse;
  border-spacing: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.entry-content th,
.entry-content td {
  padding: 0.75em 1em;
  border: 1px solid var(--color-border);
  text-align: left;
}

.entry-content th {
  background: var(--color-background-light);
  font-weight: 600;
  color: var(--color-heading);
}

.entry-content tr:nth-child(even) {
  background: var(--color-background-light);
}

/* 分割线样式 */
.entry-content hr {
  margin: 3em 0;
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border) 50%,
    transparent
  );
}

/* 标记文本 */
.entry-content mark {
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

/* ========== 480px 小屏幕全面适配 ========== */
@media (max-width: 480px) {
  /* 文章内容基础适配 */
  .entry-content {
    font-size: 0.95rem;
    line-height: 1.7;
  }

  /* 标题体系缩小 */
  .entry-content h2 {
    font-size: 1.4rem;
  }

  .entry-content h3 {
    font-size: 1.25rem;
    padding-left: 0.8rem;
    border-left-width: 3px;
  }

  .entry-content h4 {
    font-size: 1.1rem;
  }

  .entry-content h5 {
    font-size: 1rem;
  }

  .entry-content h6 {
    font-size: 0.95rem;
  }

  /* Callout 和 blockquote 适配 */
  .entry-content .callout,
  .entry-content blockquote {
    padding: 10px 12px;
    border-left-width: 3px;
    margin: 10px -12px; /* 负边距，让内容更宽 */
    border-radius: 6px;
  }

  /* 列表适配 */
  .entry-content ul,
  .entry-content ol {
    padding-left: 1.5em;
    margin: 1em 0;
  }

  .entry-content ul li::before {
    left: -1.2em;
    width: 5px;
    height: 5px;
  }

  .entry-content ol li::before {
    left: -1.5em;
    width: 1.3em;
    height: 1.3em;
    line-height: 1.3em;
    font-size: 0.75em;
  }

  /* 表格横向滚动容器 */
  .entry-content table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1em -12px; /* 负边距 */
  }

  .entry-content th,
  .entry-content td {
    padding: 0.6em 0.8em;
    font-size: 0.9rem;
    white-space: nowrap; /* 防止表格内容换行 */
  }

  /* 行内代码块 */
  .entry-content code:not([class*="language-"]) {
    font-size: 0.7rem;
    padding: 2px 6px;
    margin: 0 2px;
  }

  /* 链接图标缩小 */
  .entry-content a[href^="http"]::before {
    width: 14px;
    height: 14px;
    left: -16px;
  }

  .entry-content a[href^="http"]::after {
    width: 9px;
    height: 9px;
    margin-left: 4px;
  }

  .entry-content a:not([href^="http"])::before {
    left: -18px;
  }

  /* GitHub 按钮适配 */
  .github-btn {
    padding: 6px 12px;
    font-size: 13px;
  }

  .github-btn-content {
    gap: 8px;
  }

  .github-icon svg {
    width: 16px;
    height: 16px;
  }

  .github-stars {
    padding: 3px 6px;
    gap: 3px;
  }

  .github-stars .octicon {
    width: 14px;
    height: 14px;
  }

  .star-count {
    font-size: 12px;
  }

  /* 下载区域适配 */
  .download-header {
    padding: 10px 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .download-title {
    font-size: 1rem;
  }

  .info-item {
    font-size: 0.85em;
    padding: 3px 10px;
  }

  .download-content {
    padding: 12px;
  }

  .download-btn {
    height: 42px;
    font-size: 13px;
  }

  .text-container {
    font-size: 13px;
  }

  .download-icon {
    width: 20px;
    height: 20px;
  }

  /* 文章结束标识 */
  .article-end {
    --article-end-pill-h: 24px;
    --article-end-pill-px: 10px;
    margin: 1.5rem 0 1rem;
  }

  .article-end .end-text {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
  }

  /* 文章过期提示 */
  .article-outdated {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    margin: 0.8rem -12px; /* 负边距 */
    border-radius: 0;
  }

  .article-outdated i {
    font-size: 1.3rem;
    margin-top: 0;
  }

  .article-outdated strong {
    font-size: 0.9rem;
  }

  .article-outdated p {
    font-size: 0.85rem;
  }

  /* 键盘按键样式 */
  .entry-content kbd,
  .kbd {
    padding: 0 4px;
    font-size: 0.85em;
    border-radius: 4px;
  }

  /* 标记文本 */
  .entry-content mark {
    padding: 0.15em 0.3em;
    font-size: 0.9em;
  }
}

/* ========== 375px 超小屏补充适配 ========== */
@media (max-width: 375px) {
  .entry-content {
    font-size: 0.9rem;
  }

  .entry-content h2 {
    font-size: 1.3rem;
  }

  .entry-content h3 {
    font-size: 1.15rem;
  }

  /* 进一步缩小 callout/blockquote */
  .entry-content .callout,
  .entry-content blockquote {
    padding: 8px 10px;
    font-size: 0.9rem;
    margin: 8px -16px;
  }

  /* 表格进一步优化 */
  .entry-content table {
    margin: 0.8em -16px;
  }

  .entry-content th,
  .entry-content td {
    padding: 0.5em 0.6em;
    font-size: 0.85rem;
  }
}