/* DataHub - 共享自定义样式 */

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 自定义滚动条 - 用于样例数据区域 */
.custom-scrollbar::-webkit-scrollbar {
  width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 3px;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 3px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* 卡片悬停动效 */
.dataset-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.dataset-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -6px rgba(0, 0, 0, 0.1);
}

/* 移动端菜单过渡动画 */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.mobile-menu.open {
  max-height: 200px;
}

/* 分页按钮激活状态 */
.page-btn {
  transition: all 0.15s ease;
}
.page-btn.active {
  background-color: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}
.page-btn:not(.active):hover {
  background-color: #eff6ff;
  color: #2563eb;
}

/* 标签悬停效果 */
.tag-pill {
  transition: background-color 0.15s ease;
}
.tag-pill:hover {
  background-color: #dbeafe;
  color: #1d4ed8;
}

/* 可视化卡片图片区域 */
.visual-card-image {
  transition: transform 0.3s ease;
}
.dataset-card:hover .visual-card-image {
  transform: scale(1.05);
}

/* iframe 样式美化 */
.sample-data-iframe {
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  overflow: hidden;
}
.sample-data-iframe iframe {
  border: none;
  width: 100%;
  height: 400px;
}

/* 页面淡入动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  animation: fadeIn 0.4s ease forwards;
}

/* 响应式间距调整 */
@media (max-width: 640px) {
  .page-title {
    font-size: 1.5rem;
  }
}