*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  background-color: var(--BgColor);
}
:root{
  --BgColor: #FFFFB9; /*#f8f8eb;*/
  --newBgColor: rgba(253, 212, 136, 0.8);
  --SideNavToColor: #aa650c;
  --SideNavTextColor: #fca104;
  --NavColor: pink;
  --NavHoverColor: rgb(85, 26, 139);
  --NavFontColor: #aa650c;
  --TextHolderColor: #FFDC90;
  --TextHolderBorder: #FFBF1D;

  --footerColor: #FFC000;

  --PageTitleUp: #eed380;
  --PageTitleDown: #ecc242;
}    
main, header, section, article{
  display: block;
}

/*页面标题*/
header .PageTitle{
  margin: 0 auto;
  width: 100vw;
  max-width: calc(1440px);
  /* border: blue 5px solid; */
  font-family: 'MyFont2';
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

header img#NameCat{
  width: 40%;
  object-fit: contain;
}

header .PageTitle p{
  width: 80%;
  max-width: 1440px;
  font-size: min(6rem, 8vw);
  font-weight: 900;
  background: linear-gradient(to right bottom, var(--PageTitleUp), 70%, var(--PageTitleDown));
  border-radius: 2rem;
  border: var(--SideNavToColor) .5rem solid;
  box-shadow: var(--SideNavToColor)0 0 2rem;
  text-align: center;
  text-shadow: var(--SideNavTextColor) 0 0 0.5rem;
  color: var(--SideNavToColor);
  padding: 2rem;
  margin: 8rem 0 1rem 0;
}

span.Bold{
  font-weight: bold;
}
/**/

.HelixBox{
  width: 80%;
  max-width: 1440PX;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  /* border: blue 5px solid; */
  margin: 0 auto;
  font-family: 'MyFont2';
}
.HelixBox p{
  /* width: fit-content; */
  text-align: center;
  border-radius: 1rem;
  font-size: 1.2rem;
  font-weight: 900;
  padding: 0.6rem;
  margin: 0.5rem;
  background-color: var(--TextHolderColor);
  border: var(--NavFontColor) 0.5rem solid;
  color: var(--NavFontColor);
  transition: 0.5s;
}

.HelixBox p:hover, .HelixBox p.active{
  box-shadow: gray 0 0 1rem;
  cursor: pointer;
  transform: scale(1.1);
}

.IntroBox{
  width: 80%;
  max-width: 1440px;
  /* border: blue 5px solid; */
  margin: auto;
  margin-top: 1rem;

  font-family: 'MyFont2';
  font-weight: 700;
}

.IntroBox p{
  display: none;
  font-size: 1.4rem;
  color: var(--NavFontColor);
}
.IntroBox p.active{
  display: block;
}
/*Cycle*/
.Cycle_containner{
  margin: 2rem auto;
  height: 94vh;
  min-height: 800px;
  width: 90vw;
  max-width: 1980px;
  border: var(--NavFontColor) 0.5rem solid;
  border-radius: 0.5rem;
  visibility: hidden;
  /* display: none; */
  /* position: relative; */
  position: absolute;
  left: 5vw;

  z-index: 101;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: end;
}

.Cycle_containner.active{
  visibility: visible;
  /* display: block; */
}


/**//**//**//**//**//**//**/



/**//**//**//**//**//**//**/

.Cycle_containner .CycleText .CText{
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.Cycle_containner .CycleText .CText::-webkit-scrollbar-track
{
	/* -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);*/
	border-radius: 10px; 
	background-color: transparent;
}

.Cycle_containner .CycleText .CText::-webkit-scrollbar
{
	width: 12px;
	background-color: rgba(170, 101, 12, 0.2);
  border-radius: 10px; 
}

.Cycle_containner .CycleText .CText::-webkit-scrollbar-thumb
{
	border-radius: 10px;
	-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
	background-color: var(--NavFontColor);
}


.Cycle_containner .CycleText .CText .SwitchBox{
  width: 70%;
  height: 6rem;
  /* border: blue 5px solid; */
  display: flex;
  align-items: center;
  justify-content: center;
}
.CText .SwitchBox>img{
  height: 100%;
  object-fit: contain;
  transform: rotate(-90deg);
  cursor: pointer;
}
.CText .SwitchBox>img.LeftOne{
  animation: LeftArrow 3s infinite;
}
.CText .SwitchBox>img.RightOne{
  animation: RightArrow 3s infinite;
}
@keyframes LeftArrow {
  0%{
    transform: translateX(-4px) rotate(-90deg);
  }
  50%{
    transform: translateX(8px) rotate(-90deg);
  }
  100%{
    transform: translateX(-4px) rotate(-90deg);
  }
}
@keyframes RightArrow {
  0%{
    transform: translateX(+4px) rotate(-90deg);
  }
  50%{
    transform: translateX(-8px) rotate(-90deg);
  }
  100%{
    transform: translateX(+4px) rotate(-90deg);
  }
}
.CText .SwitchBox>p{
  text-align: center;
  max-width: 80%;
  font-size: 1.2rem;
  color: var(--NavFontColor);
  font-weight: 700;
}
.CText .TextContent{
  visibility: hidden;
  margin-top: 7rem;
  position: absolute;
  width: 90%;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* color: var(--SideNavTextColor); */
  color: black;
}
.CText .TextContent.active{
  visibility: visible;
}
.CText .TextContent p{
  width: 100%;
  margin: 0.3rem 0;
  font-size: 1.2rem;
}
.CText .TextContent p.List2{
  width: 98%;
}
.CText .TextContent img{
  width: 60%;
  object-fit: contain;
  margin: 0.5rem 0;
}

.Cycle_containner .CycleBtns{
  width: 95%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  font-family: 'MyFont2';
  position: relative;
  bottom: 2rem;
}
.Cycle_containner .CycleBtns .CBtn{
  /* width: 4rem; */
  height: 3.5rem;
  background-color: var(--TextHolderColor);
  border: var(--NavFontColor) 0.5rem solid;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.3rem 0.8rem;
  transition: 0.5s;
}
.CBtn.active, .CBtn:hover{
  transform: scale(1.2);
  cursor: pointer;
}
.Cycle_containner .CycleBtns .CBtn p{
  text-align: center;
  font-size: 1.2rem;
  color: var(--NavFontColor);
  margin: auto 0.5rem;
}

@media only screen and (max-width: 1024px){
  html {
    font-size: 12px;
  }
  .Cycle_containner{
    min-height: 560px;
  }
  .Cycle_containner .CycleText.active{
    width: 95%;
    height: 80%;
    /* border: blue 5px solid; */
  
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;

    position: absolute;
    top: 2rem;

    font-family: 'MyFont2';
  }
  .Cycle_containner .CycleText{
    display: none;
  }
  .Cycle_containner .CycleText .CCycle{
    display: none;
  }
  .Cycle_containner .CycleText .CText{
    width: 90%;
    height: 100%;
    /* border: blue 5px solid; */
  }
  .CText .SwitchBox>p{
    text-align: center;
    max-width: 80%;
    font-size: 1rem;
    color: var(--NavFontColor);
    font-weight: 700;
  }
  .CText .TextContent img{
    width: 85%;
    object-fit: contain;
  }
}
@media only screen and (min-width: 1025px){
  html {
    font-size: 16px;
  }
  .Cycle_containner .CycleText.active{
    position: absolute;
    top: 3rem;
    width: 95%;
    height: 80%;
    /* border: blue 5px solid; */
  
    display: flex;
    justify-content: space-evenly;

    font-family: 'MyFont2';
  }
  .Cycle_containner .CycleText{
    display: none;
  }
  .Cycle_containner .CycleText .CCycle{
    width: 30%;
    height: 100%;
    /* border: blue 5px solid; */
    /* transform: translateY(100%); */
    display: flex;
    flex-direction: column;
  }
  .Cycle_containner .CycleText .CCycle .CircleFour{
    width: 100%;
    aspect-ratio: 1/1;
    /* border: blue 5px solid; */
    /* margin: auto 0; */
    display: grid;
    grid-template-columns: 50% 50%;
    grid-template-rows: 50% 50%;
  } 
  .Cycle_containner .CycleText .CCycle .LastOne,
  .Cycle_containner .CycleText .CCycle .NextOne{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }
  .Cycle_containner .CycleText .CCycle .LastOne p,
  .Cycle_containner .CycleText .CCycle .NextOne p{
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--NavFontColor);
  }
  .Cycle_containner .CycleText .CCycle .LastOne p{animation: UpArrow 3s infinite;}
  .Cycle_containner .CycleText .CCycle .LastOne img{
    height: 90%;
    max-height: 6rem;
    object-fit: contain;
    animation: UpArrow 3s infinite;
  }
  .Cycle_containner .CycleText .CCycle .NextOne p{animation: DownArrow 3s infinite;}
  .Cycle_containner .CycleText .CCycle .NextOne img{
    height: 90%;
    max-height: 6rem;
    object-fit: contain;
    animation: DownArrow 3s infinite;
  }
  @keyframes UpArrow {
    0%{
      transform: translateY(-4px);
    }
    50%{
      transform: translateY(8px);
    }
    100%{
      transform: translateY(-4px);
    }
  }
  @keyframes DownArrow {
    0%{
      transform: translateY(+4px);
    }
    50%{
      transform: translateY(-8px);
    }
    100%{
      transform: translateY(+4px);
    }
  }
  .Cycle_containner .CycleText .CCycle .CircleFour .little{
    width: 100%;
    aspect-ratio: 1/1;
    overflow: hidden;
    position: relative;
    transition: 0.5s;
    
  }
  .little:hover, .little.active{
    cursor: pointer;
    transform: scale(1.1);
  }
  .little p{
    position: absolute;
    font-size: 1.6rem;
    font-weight: 700;
    font-family: 'MyFont2';
  }
  .little.A{transform-origin: right bottom;}
  .little.A p{right: 1rem;bottom: 1rem;}

  .little.B{transform-origin: left bottom ;}
  .little.B p{left: 1rem;bottom: 1rem;}

  .little.C{transform-origin: right top ;}
  .little.C p{right: 1rem;top: 1rem;}

  .little.D{transform-origin: left top ;}
  .little.D p{left: 1rem;top: 1rem;}
  /*
  #fedc5e
  #fac03d
  #db9b34
  #c67915
  */
  .little.A{
    background: url(https://static.igem.wiki/teams/5242/contents/engineering/a.png);
    background-size: contain;
  }
  .little.B{
    background: url(https://static.igem.wiki/teams/5242/contents/engineering/b.png);
    background-size: contain;
  }
  .little.C{
    background: url(https://static.igem.wiki/teams/5242/contents/engineering/d.png);
    background-size: contain;
  }
  .little.D{
    background: url(https://static.igem.wiki/teams/5242/contents/engineering/c.png);
    background-size: contain;
  }

  .Cycle_containner .CycleText .CCycle .CircleFour .little div{
    
    width: 200%;
    aspect-ratio: 1/1;

    /* background-color: black; */
    border-radius: 100%;
  }

  .Cycle_containner .CycleText .CText{
    width: 65%;
    height: 100%;
    /* border: blue 5px solid; */
  }

}
small{
  text-align: center;
  margin: 0 auto;
}
span.Math{
  font-weight: 700;
}
/* .ZH{
  font-family: 'Chinese';
}
.lang{
  z-index: 888;
  position: fixed;
  right: 3rem;
  bottom: 3rem;

  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;

  border-radius: 1.5rem;
  width: 3rem;
  height: 5.2rem;
  border: var(--NavFontColor) 5px solid;
  background-color: var(--TextHolderColor);

  font-size: 1rem;
  font-family: 'MyFont2';
  font-weight: 900;
}

.lang .Yuan{
  top: 0.2rem;
  position: absolute;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background-color: var(--NavFontColor);
  transition: 0.5s;
} 
.lang .Yuan.EN{
  top: 0.2rem;
}
.lang .Yuan.ZH{
  top: 2.2rem;
} */