/* 미리보기와 같은 다층 로켓 화염: 점화 중에만 보인다. */
.rocket-flame {
  position: absolute;
  z-index: -1;
  left: 39px;
  bottom: -69px;
  width: 70px;
  height: 95px;
  font-size: 0;
  line-height: 0;
  opacity: 0;
  transform-origin: top;
  filter: drop-shadow(0 0 12px #ff5624);
  transition: opacity .12s;
}

.rocket-flame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: linear-gradient(to bottom, #fff9d2 0 16%, #ffe12e 31%, #ff9025 62%, #dc351b 100%);
  clip-path: polygon(50% 100%, 8% 19%, 32% 31%, 43% 0, 61% 29%, 90% 17%);
}

.rocket-flame::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 24px;
  width: 22px;
  height: 61px;
  border-radius: 50%;
  background: #fffbe0;
  clip-path: polygon(50% 100%, 0 18%, 50% 0, 100% 18%);
}

.rocket.burning .rocket-flame {
  opacity: 1;
  animation: realistic-rocket-flame .13s infinite alternate !important;
}

@keyframes realistic-rocket-flame {
  to { transform: scaleY(1.28) scaleX(.86) translateY(5px); }
}