/* 自定义字体和排版优化 */

/* 优化基础字体 */
html, body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 10px;
  letter-spacing: 0.01em;
  background-color: #f8f9fa;
  color: #333;
}

/* 容器优化 */
.container {
  max-width: 800px;
  padding: 0 20px;
  margin: 0 auto;
}

/* 优化文章正文字体和排版 */
.markdown-body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 1.6rem;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  padding: 30px 40px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.about-index .markdown-body {
  padding: 30px 40px;
}

/* 隐藏friends页面的markdown-body容器 */
.friend-index .markdown-body {
  background-color: transparent;
  box-shadow: none;
  padding: 0;
  border-radius: 0;
}

/* 英文段落使用更小的行高 */
.markdown-body p:lang(en) {
  line-height: 1.5;
}

/* 中文段落使用适中的行高 */
.markdown-body p:lang(zh) {
  line-height: 1.6;
}

/* 优化标题字体 */
.markdown-body h1, 
.markdown-body h2, 
.markdown-body h3, 
.markdown-body h4, 
.markdown-body h5, 
.markdown-body h6 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 600;
  line-height: 1.4;
  margin-top: 0.8em;
  margin-bottom: 0.4em;
  color: #222;
}

.markdown-body h1 {
  font-size: 1.8em;
  text-align: center;
  margin-top: 0.2em;
  margin-bottom: 0.5em;
}

.markdown-body h2 {
  font-size: 1.5em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid #eee;
}

.markdown-body h3 {
  font-size: 1.3em;
}

.markdown-body h4 {
  font-size: 1.2em;
}

.markdown-body h5 {
  font-size: 1.1em;
}

.markdown-body h6 {
  font-size: 1em;
}

/* 段落后面紧跟列表时，减少间距 */
.markdown-body p + ul,
.markdown-body p + ol {
  margin-top: -0.2em;
}

/* 优化列表样式 */
.markdown-body ul, 
.markdown-body ol {
  margin-top: 0;
  margin-bottom: 8px;
  padding-left: 1.8em;
}

.markdown-body li {
  line-height: 1.6;
  margin-bottom: 0.2em;
}

.markdown-body li:lang(en) {
  line-height: 1.5;
}

.markdown-body li:lang(zh) {
  line-height: 1.6;
}

.markdown-body ul ul,
.markdown-body ul ol,
.markdown-body ol ol,
.markdown-body ol ul {
  margin-top: 0.2em;
  margin-bottom: 0.2em;
}

/* 优化代码字体 */
.markdown-body code {
  font-family: "SF Mono", "Monaco", "Inconsolata", "Fira Code", "Consolas", "Roboto Mono", "Source Code Pro", monospace;
  font-size: 1.4rem;
  line-height: 1.6;
  background-color: #f6f8fa;
  color: #24292e;
  padding: 2px 6px;
  border-radius: 3px;
}


/* 优化引用块样式 */
.markdown-body blockquote {
  margin: 0.8em 0;
  padding: 15px 25px;
  border-left: 4px solid #0366d6;
  background-color: #f6f8fa;
  border-radius: 0 6px 6px 0;
  color: #586069;
}

.markdown-body blockquote p {
  margin-bottom: 0;
}


.markdown-body th, 
.markdown-body td {
  padding: 10px 12px;
  border: 1px solid #dfe2e5;
}

.markdown-body th {
  background-color: #f6f8fa;
  font-weight: 600;
}

.markdown-body tr:nth-child(2n) {
  background-color: #fbfcfd;
}

/* 优化链接样式 */
.markdown-body a {
  color: #0366d6;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

.markdown-body a:hover {
  color: #0366d6;
  border-bottom: 1px solid #0366d6;
  text-decoration: none;
}

/* 优化图片样式 */
.markdown-body img {
  border-radius: 6px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.5em auto;
}

/* 文章标题优化 */
.post-details .post-title {
  font-size: 3rem;
  font-weight: 600;
  color: #222;
  text-align: center;
}

/* 文章信息栏优化 */
.post-attach {
  font-size: 1.4rem;
  color: #666;
  text-align: center;
}

/* 优化导航栏 */
.navbar ul li {
  font-size: 1.65rem;
  margin: 0 12px;
}

.navbar ul li a {
  color: #666;
  font-weight: 500;
  padding: 5px 0;
}

.navbar ul li.active a {
  color: #0366d6;
}

/* 调整Home页面标题和时间的颜色 */
.post-item .time-m-d {
  color: #888;
  font-weight: 400;
}

.post-item .title {
  color: #222;
  font-weight: 450;
}

/* 导航栏 */
.navbar {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: calc(100vw - 100%);
}

.navbar ul li {
  position: relative;
  display: inline-block;
  margin: 0 15px;
  font-size: 1.65rem;
  font-weight: bold;
  text-align: center;
}

.navbar ul li a {
  color: var(--color-text-a);
  font-weight: 500;
  padding: 5px 0;
}

.navbar ul li.active a {
  color: var(--color-text-a-active);
}

/* 移动端优化 */
@media (max-width: 888px) {
  .header {
    padding: 20px 0;
  }
  
  .avatar {
    padding-bottom: 15px;
    justify-content: center;
  }
  
  .avatar img {
    height: 80px;
    width: 80px;
  }
  
  .avatar .nickname {
    font-size: 1.8rem;
  }

  .navbar {
    padding-top: 10px;
    padding-left: 0;
    justify-content: center;
  }
  
  .navbar ul li {
    margin: 0 10px;
    font-size: 1.5rem;
  }
  
  .container {
    width: 95%;
  }
  
  /* 减小 markdown-body 在移动端的左右 padding，并增加宽度 */
  .markdown-body {
    padding: 10px 10px;
  }
  
  .about-index .markdown-body {
    padding: 10px 10px;
    border-radius: 0;
    box-shadow: none;
  }
  
  /* 进一步优化更小屏幕的显示效果 */
  @media (max-width: 480px) {
    .container {
      padding: 5px 5px;
    }
    
    .markdown-body {
      padding: 10px 10px;
    }
    
    .about-index .markdown-body {
      padding: 10px 10px;
    }
  }
}