/* 在线客服浮动条 */
.online-bar {
  position: fixed;
  right: 20px;
  bottom: 120px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.online-bar .online-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #003366;
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  transition: all 0.3s;
  white-space: nowrap;
}
.online-bar .online-item:hover {
  background: #004080;
  transform: translateX(-4px);
  box-shadow: 0 4px 16px rgba(0,51,102,0.3);
}
.online-bar .online-item i {
  font-size: 18px;
}
/* 移动端隐藏浮动条（在移动端用底部导航替代） */
@media (max-width: 768px) {
  .online-bar {
    display: none;
  }
}