body {
  background: var(--bg-primary);
  padding-top: var(--navbar-height);
  min-height: 100vh;
  font-family: var(--font-family-base);
  color: var(--text-primary);
}

.main-content {
  transition: var(--transition-base);
  padding: var(--spacing-md) 24px var(--spacing-md) calc(var(--sidebar-width) + 24px);
}

body:not(.sidebar-active) .main-content {
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
}

body:not(.sidebar-active) .content-container {
  max-width: 1200px; 
  width: 100%;
  margin: 0 auto;
}

body:not(.bg-none) .main-content,
body:not(.bg-none) .content-container {
  color: #f3f3f3;
}

.category-heading {
  font-size: var(--font-size-xl);
  display: flex;
  align-items: center;
  font-weight: 600;
  color: var(--text-primary);
  position: relative;
  font-family: var(--font-family-heading);
  letter-spacing: -0.01em;
  margin-bottom: 8px; /* 新增或减小 */
}

.category-icon {
  margin-right: var(--spacing-sm);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: var(--font-size-base);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .main-content {
    padding-left: var(--spacing-lg);
  }

  body:not(.sidebar-active) .main-content {
    padding-left: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  .categoriesContainer,
  .nav-pills {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    gap: 0.5rem;
    width: 100%;
    box-sizing: border-box;
    padding-bottom: 2px;
    scrollbar-width: none !important; /* Firefox 隐藏滚动条 */
    -ms-overflow-style: none; /* IE/Edge 隐藏滚动条 */
  }
  .nav-pills .nav-link {
    flex: 0 0 auto; /* 防止拉伸，内容多时可横向滚动 */
    white-space: nowrap;
  }

  .categoriesContainer {
    justify-content: center;
  }

  .main-content {
    padding-left: 0 !important;
    padding-right: 0 !important;
    display: block !important;
  }

  .content-container {
    padding-left: 0.25rem;
    padding-right: 0.25rem;
    box-sizing: border-box;
    max-width: 100vw;
  }

  .card-container {
    margin: 0;
    padding: 0;
    justify-content: center;
  }

  .site-card {
    width: 100%;
    margin: 0 0 20px 0;
    box-sizing: border-box;
  }

  .categoriesContainer::-webkit-scrollbar,
  .nav-pills::-webkit-scrollbar {
    display: none !important; /* Chrome/Safari 隐藏滚动条 */
    width: 0 !important;
    height: 0 !important;
    background: transparent !important;
  }
}

/* 卡片容器 */
.card-container {
  margin: 0 calc(-1 * var(--spacing-sm));
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
}

/* 拖拽说明 */
.drag-instructions {
  width: 100%;
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  display: none;
}

.drag-instructions.active {
  display: block;
  animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 通用工具类 */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--text-muted);
}

.mb-4 {
  margin-bottom: var(--spacing-md);
}

.mb-5 {
  margin-bottom: var(--spacing-lg);
}

.mt-3 {
  margin-top: var(--spacing-sm);
}

.py-4 {
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.py-5 {
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.me-1 {
  margin-right: var(--spacing-xs);
}

.me-2 {
  margin-right: var(--spacing-sm);
}

/* 查看全部按钮样式 */
.view-all-btn {
  border-radius: 20px !important;
  font-weight: 500 !important;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  border: none !important;
  color: white !important;
  transition: all 0.3s ease !important;
  transform: translateY(0) !important;
  text-decoration: none !important;
}

.view-all-btn:hover {
  transform: translateY(-2px) !important;
  background: linear-gradient(135deg, #7c8ceb 0%, #8759b8 100%) !important;
  color: white !important;
  text-decoration: none !important;
}

.view-all-btn:focus,
.view-all-btn:active {
  color: white !important;
  text-decoration: none !important;
}

/* 父分类卡片精简：只居中、适当间距、圆角，无渐变、无阴影、无动画 */
/* .category-card {
  display: flex;
  justify-content: center;
  align-items: center;
  background: none;
  border-radius: 12px;
  box-shadow: none;
  border: none;
  position: relative;
  transition: none;
} */
.category-card {
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(112, 73, 240, 0.07), 0 1.5px 8px rgba(0, 0, 0, 0.04);
  border: 1.5px solid #f0f0fa;
  position: relative;
  transition: box-shadow 0.18s;
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 28px 32px 24px 32px;
}
body:not(.bg-none) .category-card {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(112, 73, 240, 0.07), 0 1.5px 8px rgba(0, 0, 0, 0.04);
  border: 1.5px solid #f0f0fa;
  position: relative;
  transition: box-shadow 0.18s;
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 28px 32px 24px 32px;
}
@media (max-width: 576px) {
  .category-card {
    padding: 16px 10px 14px 10px;
    border-radius: 12px;
  }

}
@media (max-width: 768px) {
  .category-card {
    padding: 16px 10px 14px 10px;
    border-radius: 12px;
  }
}

/* 主分类标题更突出 */
.category-card .d-flex {
  margin-bottom: 18px !important;
}

.category-card .category-icon {
  width: 40px;
  height: 40px;
  font-size: 1.5rem;
  border-radius: 10px;
  background: linear-gradient(135deg, #7049f0 0%, #4a88fc 100%);
  box-shadow: 0 2px 8px rgba(112, 73, 240, 0.13);
}

.category-card .fs-5 {
  font-size: 1.35rem !important;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #3a2e7b;
  text-shadow: 0 1px 0 #fff, 0 2px 8px rgba(112, 73, 240, 0.08);
}

/* pills横向滚动美化 */
.nav-pills {
  overflow-x: auto;
  flex-wrap: nowrap;
  gap: 0.5rem;
  margin-bottom: 16px !important;
  padding: 8px 0;
  background: none;
  border-radius: 0;
  border: none;
  box-shadow: none;
  scrollbar-width: thin;
  scrollbar-color: rgba(112, 73, 240, 0.3) transparent;
}

.nav-pills::-webkit-scrollbar {
  height: 6px;
}

.nav-pills::-webkit-scrollbar-track {
  background: rgba(112, 73, 240, 0.05);
  border-radius: 3px;
}

.nav-pills::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #7049f0 0%, #4a88fc 100%);
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-pills::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #5935d1 0%, #3776e0 100%);
}

.nav-pills .nav-link {
  border-radius: 8px !important;
  background: #f8fafc;
  color: #4a5568;
  font-weight: 500;
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 0;
  transition: all 0.2s ease;
  border: 1px solid #e2e8f0;
  position: relative;
  white-space: nowrap;
  letter-spacing: 0.01em;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 修复pills中图标大小不一致的问题 */
.nav-pills .nav-link .sidebar-menu-icon {
  width: auto !important;
  margin-right: 6px !important;
  font-size: 0.9rem !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-pills .nav-link::before {
  display: none;
}

.nav-pills .nav-link:hover::before {
  display: none;
}

.nav-pills .nav-link:hover {
  background: #e2e8f0;
  color: #374151;
  transform: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border-color: #cbd5e1;
}

.nav-pills .nav-link.active,
.nav-pills .show>.nav-link {
  background: #7049f0;
  color: white;
  border-color: #7049f0;
  box-shadow: 0 2px 8px rgba(112, 73, 240, 0.3);
  transform: none;
}

.nav-pills .nav-link.active:hover,
.nav-pills .show>.nav-link:hover {
  background: #5935d1;
  transform: none;
  box-shadow: 0 2px 8px rgba(112, 73, 240, 0.4);
}

/* 为背景模式优化 */
body:not(.bg-none) .nav-pills {
  background: none;
  border: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body:not(.bg-none) .nav-pills .nav-link {
  background: rgba(54, 52, 52, 0.6);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

body:not(.bg-none) .nav-pills .nav-link:hover {
  background: rgba(42, 42, 42, 0.8);
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

body:not(.bg-none) .nav-pills .nav-link.active,
body:not(.bg-none) .nav-pills .show>.nav-link {
  background: rgba(112, 73, 240, 0.9);
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 2px 8px rgba(112, 73, 240, 0.5);
}


/* 让无网站提示在卡片容器中居中显示 */
.card-container .no-websites-message {
  width: 100%;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #aaa;
  font-size: 1.15rem;
  gap: 10px;
}
body:not(.bg-none) .card-container .no-websites-message {
  width: 100%;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #000000;
  font-size: 1.15rem;
  gap: 10px;
}