/* Mobile adaptation of sanyuansu.css */
.sanyuansu-box {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.circle-arrow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-20deg);
  width: 86%;
  opacity: 0;
  animation: arrowShow 1s ease 1s forwards;
}

@keyframes arrowShow {
  to {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
  }
}
.sys-top {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translate(-50%, -50%) translateY(20px);
  width: 20%;
  opacity: 0;
  animation: sysTopShow 1s ease 1s forwards;
}

@keyframes sysTopShow {
  to {
    opacity: 1;
    transform: translate(-50%, -50%) translateY(0);
  }
}
.sys-bottom {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translate(-50%, -50%) translateY(-20px);
  width: 40%;
  opacity: 0;
  animation: sysBottomShow 1s ease 1s forwards;
}

@keyframes sysBottomShow {
  to {
    opacity: 1;
    transform: translate(-50%, -50%) translateY(0);
  }
}
.sys-text {
  position: absolute;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 0.2rem;
  color: #000000;
  line-height: 1.3;
  text-align: center;
  opacity: 0;
  animation: fadeIn 1s ease 1s forwards;
  z-index: 2;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}
.sys-left-text {
  top: 34%;
  left: 12%;
}
.sys-right-text {
  top: 34%;
  right: 10%;
}
.sys-bottom-text {
  bottom: 18%;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}
.red-ball {
  display: block;
  position: absolute;
  top: 44%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30%;
  z-index: 1;
  animation: ballMove 6s ease-in-out infinite;
}

.blue-ball {
  display: block;
  position: absolute;
  top: 58%;
  left: 62%;
  transform: translate(-50%, -50%);
  width: 30%;
  z-index: 1;
  animation: ballMove 6s ease-in-out infinite 0.5s;
}

@keyframes ballMove {
  0% {
    transform: translate(-50%, -50%) translate(0, 0);
  }
  25% {
    transform: translate(-50%, -50%) translate(0.1rem, -0.08rem);
  }
  50% {
    transform: translate(-50%, -50%) translate(-0.08rem, 0.1rem);
  }
  75% {
    transform: translate(-50%, -50%) translate(0.05rem, 0.05rem);
  }
  100% {
    transform: translate(-50%, -50%) translate(0, 0);
  }
}
.puple-ball {
  display: block;
  position: absolute;
  top: 58%;
  left: 38%;
  transform: translate(-50%, -50%);
  width: 30%;
  z-index: 1;
  animation: ballMove 6s ease-in-out infinite 1s;
}