/* 主内容区域 */
.content-wrapper {
    margin-left: 240px;
    padding: var(--space-xl);
    min-height: 100vh;
    transition: margin var(--transition-base);
  }
  
  /* 侧边栏 */
  .main-sidebar {
    --sidebar-width: 240px;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: white;
    box-shadow: var(--shadow-md);
    padding: var(--space-lg);
    z-index: 1000;
  }
  
  /* 响应式布局 */
  @media (max-width: 768px) {
    .content-wrapper {
      margin-left: 0;
      padding: var(--space-md);
    }
    
    .main-sidebar {
      transform: translateX(-100%);
      transition: transform var(--transition-base);
    }
    
    .main-sidebar.active {
      transform: translateX(0);
    }
    .user-panel {
      right: 0.5rem;
      padding: 0.5rem;
    }
    
    .user-meta {
      display: none;
    }
    
    .profile-icon {
      width: 36px;
      height: 36px;
    }

    .content-wrapper {
      margin: 10px;
      padding: 1rem;
    }
  
    footer {
      padding: 0.8rem;
      font-size: 0.9em;
    }
  }
  
  /* 网格系统 */
  .grid {
    display: grid;
    gap: var(--space-md);
  }
  
  .grid--2cols {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  
  .grid--3cols {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  /* 用户面板 */
.user-panel {
    --panel-height: 56px;
    position: fixed;
    top: 1rem;
    right: 2rem;
    z-index: 1100; /* 高于侧边栏 */
    display: flex;
    gap: 1rem;
    align-items: center;
    background: rgba(255,255,255,0.95);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-default);
  }
  
  .user-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
  }
  
  .profile-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--secondary);
  }
  
  .user-meta {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
  }
  
  .user-meta strong {
    font-size: 0.95em;
    color: var(--text-primary);
  }
  
  .user-meta small {
    font-size: 0.8em;
    color: var(--text-secondary);
  }
  
  .btn-logout {
    padding: 0.5rem 1rem !important;
    background: var(--danger) !important;
    color: white !important;
  }
  
  /* 在layout.css添加 */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  /* 搜索结果头部 */
.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--space-lg) 0 var(--space-md);
  }
  
  .export-options {
    margin-left: auto; /* 右侧对齐 */
  }
  
  /* 下拉菜单定位修正 */
  .dropdown-menu {
    right: 0;
    left: auto !important;
    transform: translateY(var(--space-xs));
  }