.gate-sky {
  background: #13261c;
}

.gate-sky span {
  display: none;
}

.gate-door {
  background-image: url("aiwuxun-gate-bg.webp");
  background-repeat: no-repeat;
  background-size: 200% 100%;
  border-color: rgba(210, 220, 194, .42);
}

.gate-door.left {
  background-position: left center;
}

.gate-door.right {
  background-position: right center;
}

.gate-door .vine {
  display: none;
}

@media (min-width: 760px) {
  .gate-door {
    background-size: 200% 100%;
  }
}