/* ===== 按鈕閃光 (.light) ===== */
.light {
  --light-color: rgba(255, 255, 255, 0.7); /* 預設為白色閃光 */
  width: 100%;
  text-align: center;
  font-size: 2rem;
  overflow: hidden;
  display: block;
  position: relative;
}

.light:after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 50%;
  height: 100%;
  background: -webkit-linear-gradient(left, rgba(255, 255, 255, 0) 0%, var(--light-color) 100%);
  background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, var(--light-color) 100%);
  animation: light-transform 3s infinite ease-in-out;
}
.goldenlight {
  /* 使用 .goldenlight 來覆寫閃光顏色 */
  --light-color: rgba(255, 215, 0, 0.7);
}
@keyframes light-transform {
  0% {
    /* 結合 skewX 和 translateX */
    transform: skewX(-25deg) translateX(-300%);
  }
  70% {
    transform: skewX(-25deg) translateX(300%);
  }
  100% {
    transform: skewX(-25deg) translateX(300%);
  }
}

/* 將 keyframes 的 left 改為 transform */
@keyframes light-transform {
  0% {
    /* 結合 skewX 和 translateX */
    transform: skewX(-25deg) translateX(-300%);
  }
  70% {
    transform: skewX(-25deg) translateX(300%);
  }
  100% {
    transform: skewX(-25deg) translateX(300%);
  }
}
/* 閃光效果 E */

/* 2. 果凍跳動效果 S (Bouncing/Jelly Effect) */
.ani-bounce {
  animation: bounce 2s infinite ease-in-out;
}
@keyframes bounce {
  0% {
    transform: scale(1, 1) translate3d(0, 0, 0);
  }
  10% {
    transform: scale(1.05, 0.95) translate3d(0, 0, 0);
  }
  30% {
    transform: scale(0.95, 1.05) translate3d(0, -8%, 0);
  }
  50% {
    transform: scale(1.02, 0.97) translate3d(0, 0, 0);
  }
  57% {
    transform: scale(1, 1) translate3d(0, -2%, 0);
  }
  64% {
    transform: scale(1, 1) translate3d(0, 0, 0);
  }
  100% {
    transform: scale(1, 1) translate3d(0, 0, 0);
  }
}
/* 果凍跳動效果 E */

/* 3. 縮放效果 S (Scaling Effect) */
.ani-scale {
  animation: scale 1s infinite ease-in-out;
}
.ani-scale_2 {
  animation: scale 1s infinite ease-in-out;
  animation-delay: 0.5s;
}
.ani-scale_3 {
  animation: scale 1s infinite ease-in-out;
  animation-delay: 0.7s;

}
@keyframes scale {
  0% {
    transform: scale(1, 1);
  }
  50% {
    transform: scale(1.1, 1.1);
  }
  100% {
    transform: scale(1, 1);
  }
}
/* 縮放效果 E */

/* 4. 浮動效果 S (Floating Effect) */
.ani-float-horizontal {
  animation: float-horizontal 1.5s ease-in-out infinite;
}
.ani-float-vertical {
  animation: float-vertical 1.5s ease-in-out infinite;
}
.ani-float-vertical-2 {
  animation: float-vertical 1.5s ease-in-out infinite;
  animation-delay: 0.3s;
}
.ani-float-vertical-3 {
  animation: float-vertical 1.5s ease-in-out infinite;
  animation-delay: 0.7s;
}
@keyframes float-horizontal {
  0% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(20px);
  }
  100% {
    transform: translateX(0);
  }
}
@keyframes float-vertical {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0);
  }
}
/* 浮動效果 E */
/* 應急delay */
.ani-delay-100ms {
  animation-delay: 0.1s;
}
.ani-delay-200ms {
  animation-delay: 0.2s;
}
.ani-delay-300ms {
  animation-delay: 0.3s;
}
.ani-delay-400ms {
  animation-delay: 0.4s;
}
.ani-delay-500ms {
  animation-delay: 0.5s;
}
/* 應急delay */
@-webkit-keyframes hvr-bob {
  0% {
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
  }
  50% {
    -webkit-transform: translateY(-4px);
    transform: translateY(-4px);
  }
  100% {
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
  }
}
@keyframes hvr-bob {
  0% {
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
  }
  50% {
    -webkit-transform: translateY(-4px);
    transform: translateY(-4px);
  }
  100% {
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
  }
}
@-webkit-keyframes hvr-bob-float {
  100% {
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
  }
}
@keyframes hvr-bob-float {
  100% {
    -webkit-transform: translateY(-8px);
    transform: translateY(-8px);
  }
}
.hvr-bob {
  display: inline-block;
  vertical-align: middle;
  -webkit-transform: perspective(1px) translateZ(0);
  transform: perspective(1px) translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
}
.hvr-bob:active,
.hvr-bob:focus,
.hvr-bob:hover {
  -webkit-animation-name: hvr-bob-float, hvr-bob;
  animation-name: hvr-bob-float, hvr-bob;
  -webkit-animation-duration: 0.3s, 1.5s;
  animation-duration: 0.3s, 1.5s;
  -webkit-animation-delay: 0s, 0.3s;
  animation-delay: 0s, 0.3s;
  -webkit-animation-timing-function: ease-out, ease-in-out;
  animation-timing-function: ease-out, ease-in-out;
  -webkit-animation-iteration-count: 1, infinite;
  animation-iteration-count: 1, infinite;
  -webkit-animation-fill-mode: forwards;
  animation-fill-mode: forwards;
  -webkit-animation-direction: normal, alternate;
  animation-direction: normal, alternate;
}