/* ========== 全局样式重置（解决禁用默认CSS后的基础样式问题） ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
  padding-top: 70px; /* 给固定导航栏留出空间 */
}
a {
  color: #0078d4;
  text-decoration: none;
  transition: all 0.2s ease;
}
a:hover {
  color: #005a9e;
  text-decoration: none;
}
ul, ol {
  list-style: none;
}
img {
  max-width: 100%;
  height: auto;
}

/* ========== 导航栏：左 中 右 同一行 美化版 ========== */
#header {
  background: #ffffff !important;
  padding: 15px 20px !important;
  border-radius: 8px !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05) !important;
  margin-bottom: 20px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  flex-wrap: nowrap !important;
  position: relative !important;
  z-index: 1 !important;
}

/* 左侧：博客名称 */
#blogTitle {
  flex: 0 0 auto !important;
  display: flex !important;
  align-items: center !important;
}
#blogTitle h1 {
  font-size: 22px !important;
  font-weight: 700 !important;
  color: #2d8cf0 !important;
  margin: 0 !important;
  padding: 0 !important;
}
#blogTitle h1 a {
  color: #2d8cf0 !important;
  text-decoration: none !important;
}

/* 中间：导航菜单 */
#navigator {
  flex: 1 1 auto !important;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  margin: 0 !important;
}
#navigator ul {
  display: flex !important;
  gap: 28px !important;
  padding: 0 !important;
  margin: 0 !important;
  list-style: none !important;
}
#navigator li {
  list-style: none !important;
  margin: 0 !important;
}
#navigator a {
  font-size: 15px !important;
  font-weight: 500 !important;
  color: #333 !important;
  text-decoration: none !important;
  padding: 6px 0 !important;
  position: relative !important;
}
#navigator a:hover {
  color: #2d8cf0 !important;
}
#navigator a::after {
  content: "" !important;
  width: 0 !important;
  height: 2px !important;
  background: #2d8cf0 !important;
  position: absolute !important;
  left: 0 !important;
  bottom: 0 !important;
  transition: width 0.3s !important;
}
#navigator a:hover::after {
  width: 100% !important;
}

/* 右侧：统计信息 */
#blogStats {
  flex: 0 0 auto !important;
  font-size: 13px !important;
  color: #666 !important;
  margin: 0 !important;
  text-align: right !important;
}

/* ========== 三栏布局核心改造 ========== */
#main {
  display: flex;
  gap: 20px;
  padding: 0 20px 20px;
  max-width: 1600px;
  margin: 0 auto;
}

/* 左侧目录栏：固定宽度，粘性定位（滚动时跟随） */
#left-catalog {
  width: 220px;
  flex-shrink: 0;
  position: sticky;
  top: 90px; /* 避开固定导航栏 */
  height: fit-content;
  max-height: 80vh;
  overflow-y: auto;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* 中间内容区：自适应宽度 */
#mainContent {
  flex: 1;
  min-width: 0; /* 防止内容溢出 */
  background: #fff;
  border-radius: 8px;
  padding: 25px 30px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* 右侧边栏：固定宽度 */
#sideBar {
  width: 220px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
#sideBar .widget {
  background: #fff;
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* ========== 目录样式美化 ========== */
#left-catalog h3 {
  margin: 0 0 10px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
  font-size: 16px;
  color: #333;
  font-weight: 600;
}

#catalog-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

#catalog-list li {
  margin: 8px 0;
  line-height: 1.5;
}

#catalog-list li a {
  color: #666;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
  display: block;
  padding: 2px 0;
}

#catalog-list li a:hover {
  color: #0078d4;
  padding-left: 5px;
}

/* 目录层级缩进 */
#catalog-list li.h1 { padding-left: 0; font-weight: 600; }
#catalog-list li.h2 { padding-left: 0; font-weight: 600; }
#catalog-list li.h3 { padding-left: 15px; }
#catalog-list li.h4 { padding-left: 30px; }
#catalog-list li.h5 { padding-left: 45px; }
#catalog-list li.h6 { padding-left: 60px; }

/* ========== 文章内容样式 ========== */
#cnblogs_post_body h1, #cnblogs_post_body h2, #cnblogs_post_body h3,
#cnblogs_post_body h4, #cnblogs_post_body h5, #cnblogs_post_body h6 {
  margin: 20px 0 15px;
  font-weight: 600;
  color: #2c3e50;
  line-height: 1.4;
}
#cnblogs_post_body h1 { font-size: 28px; color: #0078d4; }
#cnblogs_post_body h2 { font-size: 24px; }
#cnblogs_post_body h3 { font-size: 20px; }
#cnblogs_post_body p {
  margin: 15px 0;
  color: #333;
}
#cnblogs_post_body ul, #cnblogs_post_body ol {
  margin: 15px 0 15px 30px;
}
#cnblogs_post_body li {
  margin: 8px 0;
}
#cnblogs_post_body pre {
  background: #f8f9fa;
  border-radius: 6px;
  padding: 15px;
  overflow-x: auto;
  margin: 15px 0;
}
#cnblogs_post_body code {
  background: #f1f3f4;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: Consolas, monospace;
}

/* ========== 侧边栏样式美化 ========== */
#sideBar .widget h3 {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
}
#sideBar .widget ul li {
  margin: 8px 0;
}
#sideBar .calendar {
  text-align: center;
}
#sideBar .calendar table {
  width: 100%;
  border-collapse: collapse;
}
#sideBar .calendar th, #sideBar .calendar td {
  padding: 5px;
  text-align: center;
}
#sideBar .calendar .today {
  background: #0078d4;
  color: #fff;
  border-radius: 4px;
}

/* ========== 页脚样式 ========== */
#footer {
  background: #fff;
  padding: 20px;
  text-align: center;
  color: #666;
  font-size: 14px;
  margin-top: 20px;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.05);
}

/* ========== 响应式适配（小屏幕自动恢复两栏） ========== */
@media (max-width: 1200px) {
  #header {
    padding: 0 20px;
    height: auto;
    flex-direction: column;
    padding: 15px 20px;
  }
  #blogStats {
    position: static;
    margin-top: 10px;
  }
  #navigator {
    margin-top: 15px;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
  }
  body {
    padding-top: 120px;
  }
  #left-catalog {
    top: 130px;
  }
  #main {
    flex-direction: column;
  }
  #left-catalog {
    width: 100%;
    position: static;
    max-height: none;
  }
  #mainContent, #sideBar {
    width: 100%;
  }
}

/* ========== 修复原布局冲突 ========== */
#mainContent, #sideBar {
  float: none !important;
  margin: 0 !important;
  width: auto !important;
}