:root{
  --bg: #fafafa;
  --bg-secondary: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #666666;
  --border: #e5e7eb;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --radius: 8px;
  --max-width: 1100px;
  --transition: all 0.2s ease;
}

/* Basic HTML styles to prevent horizontal scrolling */
html, body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Ensure all elements respect box-sizing */
*, *::before, *::after {
  box-sizing: inherit;
}

/* Container */
.container {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Enhanced dark mode styles */
body {
  background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
}

.hero {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  box-shadow: var(--shadow-md);
}

.article-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.article-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.post-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

/* Global styles for post title centering */
.post-content h1 {
  text-align: center;
  margin-bottom: 16px;
}

/* Ensure only the title is centered, other content is left-aligned */
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  text-align: left;
}

.post-content p {
  text-align: left;
}

.post-content ul,
.post-content ol {
  text-align: left;
}

.post-content li {
  text-align: left;
}

.post-content blockquote {
  text-align: left;
}

.post-content pre {
  text-align: left;
}

.post-content code {
  text-align: left;
}

.category-nav button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
}

.category-nav button:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.category-nav button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}



.pagination {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 32px 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE 10+ */
}

.pagination::-webkit-scrollbar {
  display: none; /* Chrome Safari */
}

.pagination button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s ease;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  overflow: hidden;
}

.pagination button:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.pagination button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.pagination button.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination button.ellipsis {
  border: none;
  background: transparent;
  cursor: default;
}

/* Hero */
.hero{
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: white;
  padding: 40px 32px;
  border-radius: var(--radius);
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero h2{
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
}

.hero p{
  margin: 0;
  font-size: 16px;
  opacity: 0.95;
}

/* Search & categories */
.tools{
  display: flex;
  gap: 12px;
  margin-top: 20px;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.search{
  flex: 1;
  display: flex;
  max-width: 400px;
}

.search input{
  flex: 1;
  padding: 10px 14px;
  border-radius: 6px;
  border: none;
  background: rgba(255,255,255,0.15);
  color: white;
  font-size: 14px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.search input::placeholder{
  color: rgba(255,255,255,0.7);
}

.search input:focus{
  outline: none;
  background: rgba(255,255,255,0.25);
}

.category-nav{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
}

.category-nav button{
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.category-nav button:hover{
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.category-nav button.active{
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

/* Articles grid */
.articles{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.article-item{
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.article-item:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.article-thumb{
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 14px;
  display: block;
}

.article-item h2{
  font-size: 18px;
  margin: 0 0 8px;
  font-weight: 600;
  line-height: 1.4;
}

.article-item h2 a{
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
}

.article-item:hover h2 a{
  color: var(--accent);
}

.meta{
  color: var(--text-secondary);
  font-size: 12px;
  margin-bottom: 12px;
}

.summary{
  color: var(--text-secondary);
  font-size: 14px;
  flex-grow: 1;
  line-height: 1.6;
  margin-bottom: 12px;
  /* 限制摘要显示行数，超出部分淡化过渡隐藏 */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  position: relative;
  max-height: 3.6em; /* 3行高度 */
}

/* 淡化过渡效果 */
.summary::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1.2em;
  background: linear-gradient(to bottom, transparent, var(--bg-secondary));
}

.card-footer{
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.read-more{
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  transition: var(--transition);
}

.read-more:hover{
  color: var(--accent-hover);
}

/* Article page */
.post-container{
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-secondary);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.post-hero{
  margin-bottom: 28px;
  text-align: center;
}

.post-cover{
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 20px;
  display: block;
}

.post-hero h1{
  margin: 0 0 12px;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
}

.post-meta {
  text-align: center;
  margin: 16px 0;
}

.post-meta{
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 8px;
  text-align: center;
}

.post-content{
  margin-top: 28px;
  color: var(--text);
  line-height: 1.8;
  text-align: left;
}

/* Override any inherited text alignment */
.post-content * {
  text-align: left;
}

.post-content .post-body > p:first-child {
  margin-bottom: 16px;
}

.post-content p{
  margin-bottom: 16px;
  text-align: left;
}

.post-content h2{
  margin-top: 32px;
  margin-bottom: 16px;
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}

.post-content h3{
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 18px;
  font-weight: 600;
}

/* 文章内容图片自适应缩放和居中显示 */
.post-content img,
.post-content figure img,
.post-body img,
.post-body figure img {
  max-width: 100% !important;
  height: auto !important;
  display: block;
  margin: 24px auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  width: auto;
}

/* 长截图样式 - 限制宽度以防止影响布局 */
.post-content img.long-image,
.post-content figure img.long-image,
.post-body img.long-image,
.post-body figure img.long-image {
  max-width: 50% !important;
  width: 50%;
}

/* 微信公众号风格的普通截图样式 */
.post-content img.normal-image,
.post-content figure img.normal-image,
.post-body img.normal-image,
.post-body figure img.normal-image {
  max-width: 100% !important;
  width: auto;
}

/* 图片容器样式 */
.post-content figure,
.post-body figure {
  margin: 24px auto;
  padding: 0;
  display: block;
  text-align: center;
  width: 100%;
}

/* 图片说明文字样式 */
.post-content figcaption,
.post-body figcaption {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
  text-align: center;
}

/* 响应式图片优化 */
@media (max-width: 639px) {
  .post-content img,
  .post-content figure img,
  .post-body img,
  .post-body figure img {
    margin: 16px auto;
    border-radius: var(--radius);
    max-width: 100%;
    height: auto;
    width: auto;
  }
  
  /* 手机端长截图样式 */
  .post-content img.long-image,
  .post-content figure img.long-image,
  .post-body img.long-image,
  .post-body figure img.long-image {
    max-width: 50%;
    width: 50%;
  }
  
  /* 图片容器样式 - 手机端 */
  .post-content figure,
  .post-body figure {
    margin: 16px auto;
    padding: 0;
    display: block;
    text-align: center;
    width: 100%;
  }
  
  /* 图片说明文字样式 - 手机端 */
  .post-content figcaption,
  .post-body figcaption {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
    text-align: center;
  }
}

@media (min-width: 640px) and (max-width: 1024px) {
  .post-content img,
  .post-content figure img,
  .post-body img,
  .post-body figure img {
    margin: 20px auto;
    border-radius: var(--radius);
    max-width: 100%;
    height: auto;
    width: auto;
  }
  
  /* 平板端长截图样式 */
  .post-content img.long-image,
  .post-content figure img.long-image,
  .post-body img.long-image,
  .post-body figure img.long-image {
    max-width: 50%;
    width: 50%;
  }
  
  /* 图片容器样式 - 平板端 */
  .post-content figure,
  .post-body figure {
    margin: 20px auto;
    padding: 0;
    display: block;
    text-align: center;
    width: 100%;
  }
  
  /* 图片说明文字样式 - 平板端 */
  .post-content figcaption,
  .post-body figcaption {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
    text-align: center;
  }
}

/* 确保图片在所有设备上都能正确显示 */
@media (min-width: 1025px) {
  .post-content img,
  .post-content figure img,
  .post-body img,
  .post-body figure img {
    max-width: 100%;
    height: auto;
    margin: 24px auto;
    width: auto;
  }
  
  /* 桌面端长截图样式 */
  .post-content img.long-image,
  .post-content figure img.long-image,
  .post-body img.long-image,
  .post-body figure img.long-image {
    max-width: 50%;
    width: 50%;
  }
  
  /* 图片容器样式 - 桌面端 */
  .post-content figure,
  .post-body figure {
    margin: 24px auto;
    padding: 0;
    display: block;
    text-align: center;
    width: 100%;
  }
  
  /* 图片说明文字样式 - 桌面端 */
  .post-content figcaption,
  .post-body figcaption {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
    text-align: center;
  }
}

/* 优化手机端显示效果 */
@media (max-width: 639px) {
  .post-content img,
  .post-content figure img,
  .post-body img,
  .post-body figure img {
    max-width: 80% !important;
    height: auto !important;
    margin: 12px auto;
    width: 80%;
  }
  
  /* 手机端长截图样式 */
  .post-content img.long-image,
  .post-content figure img.long-image,
  .post-body img.long-image,
  .post-body figure img.long-image {
    max-width: 80% !important;
    width: 80%;
  }
  
  /* 确保手机端内容区域不溢出 */
  .post-container {
    padding: 12px;
    margin: 0 8px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
  
  .post-content h1 {
    font-size: 20px;
    margin-bottom: 12px;
  }
  
  .post-meta {
    font-size: 11px;
    margin: 10px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }
  
  .post-content p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
  }
  
  .post-content h2 {
    font-size: 18px;
    margin-top: 24px;
    margin-bottom: 12px;
  }
  
  .post-content h3 {
    font-size: 16px;
    margin-top: 18px;
    margin-bottom: 10px;
  }
  
  .post-content ul,
  .post-content ol {
    margin: 16px 0;
    padding-left: 18px;
  }
  
  .post-content li {
    margin-bottom: 6px;
    font-size: 14px;
  }
}

/* 优化平板端显示效果 */
@media (min-width: 640px) and (max-width: 1024px) {
  .post-content img,
  .post-content figure img,
  .post-body img,
  .post-body figure img {
    max-width: 70% !important;
    height: auto;
    margin: 16px auto;
    width: 70%;
  }
  
  /* 平板端长截图样式 */
  .post-content img.long-image,
  .post-content figure img.long-image,
  .post-body img.long-image,
  .post-body figure img.long-image {
    max-width: 70% !important;
    width: 70%;
  }
  
  .post-container {
    padding: 24px;
    max-width: 95%;
  }
  
  .post-content h1 {
    font-size: 26px;
  }
  
  .post-content p {
    font-size: 15px;
  }
}

.post-content a{
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

.post-content a:hover{
  color: var(--accent-hover);
  text-decoration: underline;
}

.post-content code{
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 13px;
  font-family: 'Monaco', 'Courier New', monospace;
}

.post-content pre{
  background: var(--bg);
  padding: 16px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 20px 0;
}

.post-content blockquote{
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  margin: 20px 0;
  color: var(--text-secondary);
  font-style: italic;
}

.post-content ol,
.post-content ul {
  margin: 20px 0;
  padding-left: 24px;
}

.post-content li {
  margin-bottom: 8px;
  text-align: left;
}

footer{
  margin-top: 32px;
  padding-top: 20px;
}

.loading{
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

/* Utilities */
.muted{color: var(--text-secondary)}

/* 文章导航 */
.article-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.nav-prev, .nav-next, .nav-home {
  flex: 1;
}

.nav-prev {
  text-align: left;
}

.nav-home {
  text-align: center;
}

.nav-next {
  text-align: right;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--bg-secondary);
  color: var(--text);
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s ease;
  border: 1px solid var(--border);
  cursor: pointer;
}

.nav-link:hover {
  background-color: var(--accent);
  color: white;
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.nav-arrow {
  font-size: 1.2em;
  vertical-align: middle;
}

.nav-title {
  vertical-align: middle;
  display: inline-block;
  max-width: calc(100% - 20px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 响应式设计 - 手机端 */
@media (max-width: 639px) {
  .article-navigation {
    flex-direction: column;
    margin-top: 16px;
    padding-top: 16px;
    gap: 12px;
    border-top: 1px solid var(--border);
  }
  
  .nav-prev, .nav-next, .nav-home {
    text-align: center;
    width: 100%;
  }
  
  .nav-link {
    width: 100%;
    text-align: center;
    padding: 12px 16px;
    box-sizing: border-box;
    max-width: 100%;
    overflow: hidden;
  }
}

/* Responsive - Mobile First Design */

/* Mobile (< 640px) */
@media (max-width: 639px){
  /* 分页控件 - 手机端 */
  .pagination {
    gap: 2px;
    margin: 16px 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE 10+ */
  }
  
  .pagination::-webkit-scrollbar {
    display: none; /* Chrome Safari */
  }
  
  .pagination button {
    padding: 6px 8px;
    font-size: 12px;
    min-width: 36px;
    white-space: nowrap;
    overflow: hidden;
  }
  body{
    padding: 12px;
    font-size: 14px;
  }

  .container{
    padding: 0;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }

  header.site-header{
    margin-bottom: 16px;
  }

  .controls{
    gap: 8px;
  }

  .hero{
    padding: 20px 16px;
    margin-bottom: 20px;
    border-radius: 6px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero h2{
    font-size: 20px;
    margin-bottom: 6px;
  }

  .hero p{
    font-size: 14px;
  }

  .tools{
    flex-direction: column;
    gap: 12px;
    justify-content: center;
    width: 100%;
  }

  .search{
    max-width: 100%;
  }

  .search input{
    padding: 10px 12px;
    font-size: 14px;
  }

  .category-nav{
    margin: 16px 0;
    gap: 6px;
  }

  .category-nav button{
    padding: 5px 10px;
    font-size: 12px;
  }

  .articles{
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 16px;
  }

  .article-item{
    padding: 16px;
  }

  .article-thumb{
    height: 150px;
    margin-bottom: 12px;
  }

  .article-item h2{
    font-size: 16px;
    margin-bottom: 6px;
  }

  .meta{
    font-size: 11px;
    margin-bottom: 8px;
  }

  .summary{
    font-size: 13px;
    margin-bottom: 10px;
  }

  .card-footer{
    padding-top: 10px;
  }

  .read-more{
    font-size: 12px;
  }

  .post-container{
    padding: 16px;
    margin: 0 -12px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .post-hero h1{
    font-size: 22px;
    margin-bottom: 8px;
  }

  .post-meta{
    font-size: 12px;
    text-align: center;
    margin: 12px 0;
  }

  .post-content .post-body > p:first-child {
    margin-bottom: 16px;
  }
  
  /* 文章内容图片自适应缩放 */
  .post-content img, .post-body img, .post-content figure img, .post-body figure img {
    max-width: 50% !important;
    height: auto !important;
    display: block;
    margin: 16px auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    width: 50%;
  }

  .post-content figure,
  .post-body figure {
    margin: 16px auto;
    padding: 0;
    display: block;
    text-align: center;
    width: 100%;
  }
  
  .post-body figcaption {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
    text-align: center;
  }

  .post-content{
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.7;
    text-align: left;
  }
  
  /* Center-align the title */
  .post-content h1 {
    text-align: center;
    margin-bottom: 16px;
  }
  
  /* Ensure only title and meta are centered, other content is left-aligned on mobile */
  .post-content h2,
  .post-content h3,
  .post-content h4,
  .post-content h5,
  .post-content h6,
  .post-content p,
  .post-content ul,
  .post-content ol,
  .post-content li,
  .post-content blockquote,
  .post-content pre,
  .post-content code {
    text-align: left;
  }

  .post-content h2{
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 12px;
  }

  .post-content h3{
    font-size: 16px;
    margin-top: 16px;
    margin-bottom: 8px;
  }
  
  .post-body figure {
    margin: 16px auto;
    max-width: 100%;
    display: block;
    text-align: center;
  }
  
  .post-body figcaption {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
    text-align: center;
  }

  .post-content code{
    font-size: 12px;
  }

  .post-content pre{
    padding: 12px;
    font-size: 12px;
  }
}

/* Tablet (640px - 1024px) */
@media (min-width: 640px) and (max-width: 1024px){
  body{
    padding: 16px;
    font-size: 15px;
  }

  .hero{
    padding: 32px 24px;
    margin-bottom: 28px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero h2{
    font-size: 24px;
    margin-bottom: 8px;
  }

  .hero p{
    font-size: 15px;
  }

  .tools{
    gap: 12px;
    justify-content: center;
    width: 100%;
  }

  .search{
    max-width: 100%;
  }

  .category-nav{
    margin: 20px 0;
    gap: 8px;
  }

  .category-nav button{
    padding: 6px 12px;
    font-size: 13px;
  }

  .articles{
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
  }

  .article-item{
    padding: 18px;
  }
  
  /* 分页控件响应式设计 - 平板 */
  .pagination {
    gap: 6px;
    margin: 28px 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE 10+ */
  }
  
  .pagination::-webkit-scrollbar {
    display: none; /* Chrome Safari */
  }
  
  .pagination button {
    padding: 6px 10px;
    font-size: 13px;
    min-width: 36px;
    white-space: nowrap;
    overflow: hidden;
  }

  .article-thumb{
    height: 170px;
  }

  .article-item h2{
    font-size: 17px;
  }

  .post-container{
    padding: 32px;
    max-width: 90%;
  }

  .post-hero h1{
    font-size: 28px;
  }

  /* Center-align the title for tablet */
  .post-content h1 {
    text-align: center;
    margin-bottom: 16px;
  }

  .post-meta{
    text-align: center;
    margin: 14px 0;
  }

  .post-content .post-body > p:first-child {
    margin-bottom: 16px;
  }

  .post-content{
    font-size: 15px;
    text-align: left;
  }
  
  /* Ensure only title and meta are centered, other content is left-aligned on tablet */
  .post-content h2,
  .post-content h3,
  .post-content h4,
  .post-content h5,
  .post-content h6,
  .post-content p,
  .post-content ul,
  .post-content ol,
  .post-content li,
  .post-content blockquote,
  .post-content pre,
  .post-content code {
    text-align: left;
  }
  
  /* 文章内容图片自适应缩放 */
  .post-content img, .post-body img, .post-content figure img, .post-body figure img {
    max-width: 50% !important;
    height: auto !important;
    display: block;
    margin: 16px auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    width: 50%;
  }

  .post-content figure,
  .post-body figure {
    margin: 20px auto;
    padding: 0;
    display: block;
    text-align: center;
    width: 100%;
  }
  
  .post-body figcaption {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
    text-align: center;
  }
  
  /* 文章导航 - 平板 */
  .article-navigation {
    margin-top: 16px;
    padding-top: 16px;
    gap: 16px;
    border-top: 1px solid var(--border);
  }
  
  .nav-link {
    padding: 10px 16px;
    overflow: hidden;
  }
}



/* 悬浮按钮 */
.floating-buttons {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
  /* 确保按钮不会导致横向滚动 */
  max-width: calc(100vw - 40px);
}

.floating-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.floating-btn:hover {
  background: rgba(0, 0, 0, 0.9);
  transform: scale(1.1);
}

/* Desktop (> 1024px) */
@media (min-width: 1025px){
  body{
    padding: 20px;
  }

  .articles{
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }

  .post-container{
    max-width: 800px;
    padding: 40px;
  }
  
  .post-meta{
    text-align: center;
    margin: 16px 0;
  }

  .post-content .post-body > p:first-child {
    margin-bottom: 16px;
  }
  
  /* Center-align the title for desktop */
  .post-content h1 {
    text-align: center;
    margin-bottom: 16px;
  }
  
  .post-content{
    text-align: left;
  }
  
  /* Ensure only title and meta are centered, other content is left-aligned on desktop */
  .post-content h2,
  .post-content h3,
  .post-content h4,
  .post-content h5,
  .post-content h6,
  .post-content p,
  .post-content ul,
  .post-content ol,
  .post-content li,
  .post-content blockquote,
  .post-content pre,
  .post-content code {
    text-align: left;
  }
  
  
  
  /* 文章导航 - 桌面端 */
  .article-navigation {
    margin-top: 16px;
    padding-top: 16px;
    gap: 20px;
    border-top: 1px solid var(--border);
  }
  
  .nav-link {
    padding: 10px 20px;
    overflow: hidden;
  }
}

/* Twikoo 评论系统样式 */
#tcomment {
  margin-top: 20px;
}

#tcomment h2 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  text-align: center;
}

/* 移动端适配 */
@media (max-width: 639px) {
  #tcomment h2 {
    font-size: 20px;
    margin-bottom: 12px;
  }
}

/* 平板端适配 */
@media (min-width: 640px) and (max-width: 1024px) {
  #tcomment h2 {
    font-size: 22px;
    margin-bottom: 14px;
  }
}

/* 桌面端适配 */
@media (min-width: 1025px) {
  #tcomment h2 {
    font-size: 24px;
    margin-bottom: 16px;
  }
}

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