.floating-cs {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 9999;

  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.floating-cs__menu {
  display: none;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.floating-cs.is-open .floating-cs__menu {
  display: flex;
}

.floating-cs__item {
  display: flex;
  align-items: center;
  gap: 8px;

  border: 0;
  background: transparent;
  padding: 0;

  text-decoration: none;
  cursor: pointer;
}

.floating-cs__label {
  padding: 6px 10px;
  border-radius: 999px;

  background-color: rgba(0, 0, 0, 0.72);
  color: #fff;

  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;

  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.floating-cs__item:hover .floating-cs__label {
  opacity: 1;
  transform: translateX(0);
}

.floating-cs__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;

  background-color: #fff;
  color: #333;

  font-size: 18px;

  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.floating-cs__toggle {
  width: 52px;
  height: 52px;
  border-radius: 50%;

  border: 0;
  cursor: pointer;

  background-color: #174ea6;
  color: #fff;

  font-size: 30px;
  line-height: 1;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 6px 18px rgba(23, 78, 166, 0.35);
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.floating-cs__toggle:hover {
  transform: translateY(-2px);
  background-color: #0f3d85;
}

.floating-cs.is-open .floating-cs__toggle {
  font-size: 36px;
}

@media (max-width: 768px) {
  .floating-cs {
    right: 18px;
    bottom: 22px;
  }

  .floating-cs__icon {
    width: 42px;
    height: 42px;
  }

  .floating-cs__toggle {
    width: 50px;
    height: 50px;
  }
}