/* 玻璃拟态卡片 */
.glass {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

/* 设备卡片 */
.device-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
  border-radius: 1rem;
  transition: all 0.2s ease;
}
.device-card:hover {
  border-color: #2ECC71;
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(46, 204, 113, 0.25);
}

/* 雷达扫描动效 */
.radar {
  position: relative;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 2px solid rgba(46, 204, 113, 0.4);
  background: radial-gradient(circle, rgba(46, 204, 113, 0.08) 0%, transparent 70%);
  overflow: hidden;
}
.radar::before,
.radar::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(46, 204, 113, 0.25);
  inset: 25%;
}
.radar::after { inset: 40%; }
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(46, 204, 113, 0.5), transparent 60deg);
  animation: sweep 1.6s linear infinite;
}
@keyframes sweep { to { transform: rotate(360deg); } }

/* 扫描清单条目淡入 */
.scan-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 0.4s forwards;
}
@keyframes fadeIn { to { opacity: 1; } }