* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f7f9;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height:80px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 1000;
}

.logo img {
  height: 50px;
}

.search-box {
  margin-left: 20px;
  flex: 1;
  max-width: 300px;
}

.search-box input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

.container {
  display: flex;
  margin-top: 60px;
  height: calc(100vh - 60px);
}

.sidebar {
  width: 300px;
  background: #fff;
  border-right: 1px solid #eee;
  overflow-y: auto;
  flex-shrink: 0;
}

.nav-menu {
  padding: 20px;
}

.menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.menu-header button {
  padding: 4px 8px;
  background: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.menu-item {
  display: flex;
  align-items: center;
  padding: 8px;
  cursor: pointer;
  border-radius: 4px;
}

.menu-item:hover {
  background: #f5f5f5;
}

.menu-item.active {
  background: #e8f5e9;
  color: #4CAF50;
}

.toggle {
  margin-right: 8px;
  font-size: 12px;
  transition: transform 0.3s;
}

.toggle.open {
  transform: rotate(90deg);
}

.nav-menu ul {
  list-style: none;
}

.nav-menu ul ul {
  margin-left: 20px;
  display: none;
}

.nav-menu ul ul.open {
  display: block;
}

.content {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

@media (max-width: 768px) {
  .sidebar {
      position: fixed;
      left: -300px;
      top: 60px;
      bottom: 0;
      transition: left 0.3s;
      z-index: 900;
  }

  .sidebar.open {
      left: 0;
  }

  .content {
      margin-left: 0;
  }
}



.gxbfooter {
  background: #000;
  color: #FFF;
  padding-top: 20px !important; 
  font-size: 14px;
  text-align: center;
  padding-bottom: 20px !important; 
  padding-left: 10px; 
  padding-right: 10px;
  width: 100%;
  height: auto;
  display: block;
  background-color: #000;
  color: #fff;
}

/* 调整容器布局 */
.container {
    display: flex;
    margin-top: 80px;
    min-height: calc(100vh - 400px);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

/* 侧边栏样式调整 */
.sidebar {
    width: 280px;
    background: #fff;
    border-right: 1px solid #eee;
    padding: 2rem;
    flex-shrink: 0;
}

/* 主内容区域调整 */
.content {
    flex: 1;
    padding: 2rem;
    max-width: 900px;
    margin-left: 20px;
}

/* 搜索框容器样式 */
.search-box {
    margin-bottom: 20px;
}

.search-box input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

/* Markdown 内容区域样式 */
#pdfContainer {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.markdown-body {
    box-sizing: border-box;
    min-width: 200px;
    margin: 0 auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        padding: 1rem;
    }
    
    .content {
        margin-left: 0;
        padding: 1rem;
    }
}