/* === 图片对比布局 === */
.image-comparison {
  margin: 2rem 0;
}

.image-pair {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}

.image-item {
  flex: 1;
  min-width: 300px;
  max-width: 48%;
  display: flex;
  flex-direction: column;
}

.image-frame {
  background-color: var(--md-default-bg-color);
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

/* 深色模式下的边框 */
[data-md-color-scheme="slate"] .image-frame {
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.image-frame:hover {
  transform: translateY(-3px);
}

.image-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.image-caption {
  padding: 0.8rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
}

/* 响应式设计 - 小屏幕单列布局 */
@media (max-width: 767px) {
  .image-pair {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .image-item {
    min-width: 100%;
    max-width: 100%;
  }
  
  .image-caption {
    padding: 0.6rem 0;
  }
}

/* === 图表容器样式 === */
.graphs-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  margin: 2rem 0;
  gap: 1.5rem; /* 添加垂直间隙防止重叠 */
}

.graph-item {
  width: 100%;
  text-align: center;
  margin: 0 auto;
  position: relative;
}

/* === 分割线样式 - 支持深色模式 === */
/* 水平分割线 (默认显示) */
.horizontal-divider {
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.15), transparent);
  display: block;
  margin: 0.5rem 0;
}

/* 深色模式下的水平分割线 */
[data-md-color-scheme="slate"] .horizontal-divider {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
}

/* 垂直分割线 (默认隐藏) */
.vertical-divider {
  display: none;
  width: 1px;
  background: linear-gradient(0deg, transparent, rgba(0,0,0,0.15), transparent);
}

/* 深色模式下的垂直分割线 */
[data-md-color-scheme="slate"] .vertical-divider {
  background: linear-gradient(0deg, transparent, rgba(255,255,255,0.25), transparent);
}

/* === 响应式布局 - 大屏幕 === */
@media (min-width: 768px) {
  .graphs-container {
    flex-direction: row;
    justify-content: center;
    gap: 0; /* 重置间隙 */
  }
  
  .graph-item {
    width: 48%;
    margin-bottom: 0;
  }
  
  /* 隐藏水平分割线 */
  .horizontal-divider {
    display: none;
  }
  
  /* 显示垂直分割线 */
  .vertical-divider {
    display: block;
    height: 100%;
    align-self: stretch;
    margin: 0 1.5rem;
  }
}

/* === 图表图片样式 === */
.graphs-container img {
  display: block;
  max-width: 100%;
  height: auto;
  /* 移除了圆角效果 */
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  background: white; /* 添加白色背景防止透明SVG重叠 */
}

/* 深色模式下的图片样式 */
[data-md-color-scheme="slate"] .graphs-container img {
  box-shadow: 0 3px 12px rgba(0,0,0,0.25);
  background: rgba(30, 30, 30, 0.8); /* 深色背景 */
}

/* 图片悬停效果 */
.graphs-container img:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

/* 小屏幕下的图表间距优化 */
@media (max-width: 767px) {
  .graphs-container {
    gap: 1rem; /* 增加垂直间隙 */
  }
  
  .graph-item {
    margin-bottom: 0rem; /* 底部间距防止重叠 */
  }
  
  .graph-item:last-child {
    margin-bottom: 0; /* 最后一个不需要底部间距 */
  }
  
  .graphs-container img {
    box-shadow: 0 2px 6px rgba(0,0,0,0.1); /* 减小阴影强度 */
  }
}

/* 移除所有圆角效果 */
.graphs-container img,
.graphs-container .graph-item,
.graphs-container {
  border-radius: 0 !important;
}