header{   }
#Logo{position:absolute;left:0px;top:19px;}
#HeadTopMenu{position:absolute;left:579px;top:38px;}
@media screen and (max-width:1200px){#HeadTopMenu{position:fixed;left:0px;top:0px;}}
#banner{position:absolute;left:px;top:px;width:100px;height:auto}
#HeadTopMenu .menu_item a {
  font-size: 20px;
  font-weight: bold;
  color: #FFF;
}

#HeadTopMenu .menu_item a:hover {
  font-weight: bold;
  color: #FFFF03;
}

#Footer {
  background-color: #00396F;
}

#bc_201 .title {
  display: inline-block;
  color: #F9F4AF;
  font-size: 2.5rem;
  font-weight: bold;
}

#bc_201 .h8 {
  display: block;
  font-size: 2.5rem;
  font-weight: bold;
  line-height: 1.4em;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: #FCC361;
}

#bc_226 .classLink_area ul li .item {
  margin: 5px;
  box-shadow: 0 0 15px rgba(255,248,211,.3);
  background: hsla(0,0%,100%,.15);
  border: 1px solid rgba(255,248,211,.5);
  border-radius: 60px 60px 60px 60px;
}

#bc_226 .classLink_area ul {
  display: flex;
  align-items: center;
  justify-content: center;
}

#bc_231.featured_div {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.turn {
  display: none;
  position: fixed;
  bottom: 60%;
  right: 0px;
  width: 150px;
  height: 150px;
  z-index: 10000;
  cursor: pointer;
  text-align: center;
}

body {
  background-color: #61C3F0;
  background-image: url(/WebMaster/uploads/images/1_images/background/o_260522140115.png);
  background-repeat: no-repeat;
  background-position: center bottom;
  background-attachment: fixed;
  background-size: cover;
}

.fireflies span {
  position: absolute;
  width: 20px;
  height: 20px;
  background: yellow;
  border-radius: 50%;
  opacity: 0;
  box-shadow: 0 0 8px 2px yellow;
  animation: move 10s linear infinite, flicker 2s ease-in-out infinite;
}

.fireflies {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
}

.fireflies span:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.fireflies span:nth-child(2) {
  top: 50%;
  left: 30%;
  animation-delay: 2s;
}

.fireflies span:nth-child(3) {
  top: 70%;
  left: 60%;
  animation-delay: 4s;
}

.fireflies span:nth-child(4) {
  top: 40%;
  left: 80%;
  animation-delay: 1s;
}

.fireflies span:nth-child(5) {
  top: 10%;
  left: 50%;
  animation-delay: 3s;
}

/* 整個夜空 */
.night-sky {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 9999;


}



/* =========================
   流星
========================= */

.meteors {
  position: absolute;
  inset: 0;
}

.meteors span {
  position: absolute;
  width: 150px;
  height: 2px;

  background: linear-gradient(
    90deg,
    rgba(255,255,255,1),
    rgba(255,255,255,0)
  );

  border-radius: 999px;

  transform: rotate(-35deg);

  opacity: 0;

  animation: meteor 6s linear infinite;
}

.meteors span:nth-child(1) {
  top: 15%;
  left: 70%;
  animation-delay: 0s;
}

.meteors span:nth-child(2) {
  top: 35%;
  left: 85%;
  animation-delay: 2s;
}

.meteors span:nth-child(3) {
  top: 5%;
  left: 50%;
  animation-delay: 4s;
}

@keyframes meteor {
  0% {
    opacity: 0;
    transform: translate(0,0) rotate(-35deg);
  }

  10% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate(-500px, 300px) rotate(-35deg);
  }
}

/* =========================
   銀河霧氣
========================= */

.galaxy {
  position: absolute;
  width: 1200px;
  height: 1200px;

  top: 50%;
  left: 50%;

  transform: translate(-50%, -50%);

  background:
    radial-gradient(circle,
      rgba(122, 90, 255, 0.18) 0%,
      rgba(0, 183, 255, 0.08) 30%,
      rgba(255,255,255,0) 70%
    );

  filter: blur(80px);

  animation: galaxyMove 20s ease-in-out infinite alternate;
}

@keyframes galaxyMove {
  from {
    transform: translate(-48%, -52%) scale(1);
  }

  to {
    transform: translate(-52%, -48%) scale(1.1);
  }
}

25% {
  transform: translate(100px, -150px);
}

50% {
  transform: translate(-80px, -250px);
  opacity: 1;
}

75% {
  transform: translate(60px, -100px);
}

100% {
  transform: translate(-40px, 150px);
}