/* Expo Navigation Buttons - 历届博览会切换按钮 */
.about-one__high-quality-service-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.expo-nav-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background-color: rgba(2, 62, 190, 0.3);
  color: white;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
  flex-shrink: 0;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.expo-nav-btn i {
  font-size: 14px;
  font-weight: bold;
}

.expo-nav-btn:hover {
   background: rgb(25 62 190);
  border-color: rgba(255, 255, 255, 0.9);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.expo-nav-btn:active {
  transform: scale(0.95);
}