#capability {
  position: relative;
  width: 100vw;
  padding: 4rem 2rem;
  box-sizing: border-box;
  background: #0b1220;
  color: #fff;
  opacity: 0;
  animation: fadeIn 1s ease forwards;
  animation-delay: 0.2s;
}

/* 内容容器 */
#capability .container {
  max-width: 1200px;
  margin: 0 auto;
}

/* 标题头部动画 */
#capability .header {
  text-align: center;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  animation: slideUpFade 1s ease forwards;
  animation-delay: 0.5s;
}

#capability .header h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

#capability .header .line {
  width: 60px;
  height: 4px;
  background: #1e88e5;
  margin: 0 auto;
  border-radius: 2px;
}

/* 网格 2 栏 */
#capability .grid.cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

/* 卡片基础样式 + 动画基础 */
#capability .glass.card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 2rem;
  box-sizing: border-box;
  color: #fff;
  opacity: 0;
  transform: translateY(30px);
}

/* 第 1 张卡片动画 */
#capability .glass.card:nth-of-type(1) {
  animation: slideUpFade 1s ease forwards;
  animation-delay: 0.9s;
}

/* 第 2 张卡片动画 */
#capability .glass.card:nth-of-type(2) {
  animation: slideUpFade 1s ease forwards;
  animation-delay: 1.2s;
}

/* 小标题 */
#capability .glass.card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

/* 列表样式 */
#capability .clean {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0 0;
}

#capability .clean li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
  font-size: 1rem;
}

/* 响应式支持 */
@media (max-width: 768px) {
  #capability .grid.cols-2 {
    grid-template-columns: 1fr;
  }
}

/* 动画定义 */
@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

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