.view360-btn {
  position: fixed;
  right: 28px;
  bottom: 80px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #620606;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  z-index: 9999;
  box-shadow: 0 4px 10px rgba(0,0,0,.2);
}
.view360-btn:hover {
  transform: translateY(-3px);
}