/* 开头视频 */
/* html{
  min-width: 1300px;
} */
@font-face{
    font-family: 'Matura';
    src : url(https://static.igem.wiki/teams/4257/wiki/font/matura-mt-script-capitals.ttf);

}
.sky{
  
  font-family:'Matura' !important;
  font-size: 32px !important;
}
.bg_video{
  width: calc(100vw);
  height: calc(100vh);
  min-width: 1500px;
}
.bg_video iframe{
  width: calc(100vw);
 height: calc(100vh);
 min-width: 1500px;
 object-fit: cover;
 margin: 0 auto;
 padding: 0;
 background-color: black;
}
.bg_video video{
  width: calc(100vw);
 height: calc(100vh);
 min-width: 1500px;
 object-fit: cover;
 margin: 0 auto;
 padding: 0;
 background-color: black;
}

.pre{
  font-family:'Matura' !important; 
}

.plant img{
    width: calc(100vw);
    height: calc(100vh);
    object-fit: contain;
    display: flex;
    min-width: 1500px;
}

.plant{
    /* height: calc(100vh); */
    overflow: hidden;
    top: 0;
    left: 0;
    position:sticky;
    z-index:1;
    /* margin-top: -200px; */
}

.yuhang{
    /* background-color: rgba(255, 255, 255, 0.782); */
    width: calc(100vw);
    height: calc(100vh);
    min-width: 1500px;
    left: 0;
    overflow: hidden;
    position:sticky;
    object-fit: cover;
    top: 0;
    /* z-index: 1; */
    margin-top: -300px;
}

/* 图片逐渐消失 */
.dis_img{
      /* animation: hidetip 0.7s 1;
      animation-fill-mode: forwards;
      -webkit-animation: hidetip 0.7s 1;
      -webkit-animation-fill-mode: forwards; */
    width: calc(100vw);
    height: calc(100vh);
    min-width: 1500px;
    object-fit: cover;
    position:sticky;
    transition: height 3s;
    z-index: 1;
    opacity: 0;
}


/* 开头宇航员部分 */
.astronaut{
    background-image: url('https://static.igem.wiki/teams/4257/wiki/picture/home/bg/why.gif');
    width: 100%;
    height: calc(100vh);
    background-size: cover;
    color: aliceblue;

  font-family:'Matura';
  font-size: 35px;
    line-height: 1.5;
    /* margin-left: -100px; */
}
.astronaut p{
    width: 40%;
    margin-left: 700px;
    padding-top: 250px;
}

/* 动效 */
@keyframes blink {
    0.01% {
      opacity: 0;
    }
    50% {
      opacity: 0;
    }
    50.01% {
      opacity: 1;
    }
  }
  @keyframes scanline {
    0.01% {
      height: 0;
    }
    99.99% {
      height: 100%;
    }
    100% {
      height: 0;
    }
  }
  .astronaut p,
  .astronaut pre {


    line-height: 1.5;
    margin: 0;
    display: block;
    padding: 5px;
    font-family:'Matura' !important ;
    /* width: 500px; */
  }
  
  .blink {
    opacity: 1;
    animation: blink 1s linear infinite;
    /* width: 500px; */
  }
  
  .scanline {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: rgba(255, 255, 255, 0.02);
    animation: scanline 8s linear infinite; */
    pointer-events: none;
    width: 500px;
  }
  .astronaut_w{
    margin-left: 800px; /*左移*/
    padding-top: 350px;
    font-family:'Matura';
   font-size: 35px;
  }

/* 宇航员后面的过渡文字 */
.be_2as{
    height: calc(100vh);
    width: calc(100vw);
    /* background-color: rgb(0, 0, 0); */
    color: aliceblue;
    text-align: center;
    
    z-index: 20;
}
.be_2as p{
    width: 70%;
    margin:  0 auto;
    padding-top: 15%;
    transition: all 1.3s;
    z-index: 20;
    color: rgba(255, 255, 255, 0);
}
/* transition-delay: 2s; */
.be_2as .p2{
  padding-top: 1%;
  transition-delay: 0.3s;
}

.spinner-box{
  width: 500px;
  height: 500px;
}

/* :hover */
.be_2as:hover p{
  color: rgba(255, 255, 255, 1);

  z-index: 20;
}
/* 宇航员运动过程中的字 */
.be_2as1{
  height: calc(60vh);
  width: calc(100vw);
  min-width: 1500px;
  margin-top: -900px;
  color: aliceblue;
  text-align: left;
  z-index: 20;
  display: block;
}

.be_2as2{
  height: calc(60vh);
  width: calc(100vw);
  min-width: 1500px;
  color: aliceblue;
  text-align: left;

  z-index: 20;
  display: block;
}
.as_nei{
  height: calc(60vh);
  width: calc(100vw);
  min-width: 1500px;
  position: sticky;
  z-index: 20;

}
.be_2as1 .p1{
  position: sticky;
  top: calc(50vh);
  opacity: 0;
  z-index: 20;
  width: 30%;
  transition: all 1.5s;
  line-height: 1.5;
  padding-left: 10%;
}
.be_2as2 .p1{
  position: sticky;
  top: calc(50vh);
  opacity: 0;
  z-index: 20;
  width: 30%;
  transition: all 1.5s;
  line-height: 1.5;
  padding-left: 10%;
}
.as_nei:hover .p1{
  opacity: 1;
}
.be_2as3{
  margin-bottom: 200px;
}

/* 后面文字 */
.part3{
  /* height: calc(100vh); */
  width: calc(100vw);
  min-width: 1500px;
  color: aliceblue;
  text-align: center;
  z-index: 20;
  position: relative;
  display: block;
  transition: all 1.5s;

}
.part3 img{
  width: 100%;
  margin-top:-25%;
  opacity:.2;
  transition: all 1s;
}
/* .part3{
  background-color: aliceblue;
} */

/* 陨石上面的文字 */
.part3 :hover img{
  /* background: rgba(0, 0, 0, .3); */
  width: 70%;
  opacity: 1;
  padding-top: 20%;
}

.part33 .p1{
  width:50% ;
  text-align: justify;
  font-weight: 30;
  margin-left: 50%;
  transform: translate(-50%,0);
  overflow: hidden;
  /* height: 0px; */
  transition: all 0.5s;
  position: relative;
  /* padding-top: calc(30vh); */
  line-height: 1.5;
}


.part4{
  /* height: calc(100vh); */
  width: calc(100vw);
  min-width: 1500px;
  color: aliceblue;
  text-align: center;
  z-index: 20;
  position: relative;
  display: block;
  transition: all 1.5s;
  margin-top: 50px;
}
.part4 .p1{
  width:50% ;
  text-align: justify;
  font-weight: 30;
  margin-left: 50%;
  transform: translate(-50%,0);
  overflow: hidden;
  /* height: 0px; */
  transition: all 0.5s;
  position: relative;
  /* padding-top: calc(30vh); */

}
.part4 .zu{
  width: 80%;
  display: flex;
  flex-direction: row;
  margin: 0 auto;
  justify-content: space-around;
  margin-top: 20px;
}
.zu div{
  width: 35%;
  /* border:  #fff solid 2px; */
  opacity: 0;
  transition: all .5s;
  margin: 30px 0;
  /* padding-left: 20px; */
}
.zu img{
  margin-top: 50px;
  width: 100%; object-fit: cover;
}
.part4:hover .z1{
  opacity: 1;
  margin-top: 0;
  transition-delay: 0s;
}
.part4:hover .z2{
  opacity: 1;
  margin-top: 0;
  transition-delay: 0.35s;
}
.part4:hover .z3{
  opacity: 1;
  margin-top: 0;
  transition-delay: 0.75s;
}

.part5{
  /* height: calc(100vh); */
  width: calc(100vw);
  min-width: 1500px;
  color: aliceblue;
  /* text-align: center; */
  z-index: 20;
  position: relative;
  display: block;
  /* transition: all 1.5s; */
  margin-top: 0px;
  
}


.part5 img{
    width: 70%;
    opacity: 1;
    margin-top: 40px;
    height: 600px;
    object-fit: cover;
    border-radius: 50px;
    box-shadow: 0 0 10px 0 rgb(74, 98, 183);
   margin-left: 15%;
   
    /* filter: blur(2px); */
}


/* .part5:hover .lla{
  opacity: 1;
  border-radius: 50px;
  margin-left: 15%;
} */



.lla3{ 
  width: 60%;
  margin: 0 auto ;
  text-align: center;
  /* margin-left: 50%;
  transform: translate(-50%,0); */
 margin-top: 25px;
 font-size: 30px;
}
/* 视频 */

.video_last{
  width: 100%;
  min-width: 1500px;
}
.video_last img{
  margin-top: -230px;
  width: 1100px;
  object-fit: cover;
  margin-left: 15%;
  z-index: 2;
  position: relative;
}
.video_last iframe{
  position: absolute;
  margin-top: 20px;
  width:600px;
  height: 320px;
  object-fit: cover;
  margin-left: 31%;
  border-radius: 40px;
  z-index: 20;
}

/* 图 */
.build img{
  width: 100%;
  object-fit: cover;
}
.rocket img{
  object-fit: cover;
  width: 120px;
  position: fixed;
  /* top: 20px; */
  left: 0;
}