html,
body {
  background: #050821;
  position: relative;
}


.tiline {
  width: 100px;
  margin: -2px auto;
  border-top: 3px solid #0282FE;
}

.letter {
  text-align: center;
  color: #A6B5E6;
  font-size: 24px;
  opacity: 0.4;
  margin-top: 24px;
  margin-bottom: 70px;
}

.header {
  width: 100%;
  height: 70px;
  position: absolute;
  z-index: 99;
  top: 0;
  background: rgba(4, 4, 17, 0.5);
  box-shadow: 0px 1px 10px 0px rgba(0, 0, 0, 0.3);
}

.top-title {
  margin: 0 auto;
  width: 1150px;
}

.top-l {
  width: 181px;
  height: 44px;
  margin-top: 9px;
  background: url('../images/logo1.png') no-repeat;
  opacity: 1;
}

.top-r {
  height: 70px;
}

.tab-item {
  float: left;
  color: #999;
  font-size: 20px;
  font-weight: 400;
  text-align: center;
  margin-right: 54px;
  position: relative;
  cursor: pointer;
  line-height: 70px;


}

.tab-item:hover {
  color: #fff;
}

.item-hover:hover {
  color: #fff;
}

.tab-item:hover .showit {
  display: block;
}

.tab-item:last-child {
  margin-right: 0
}

.tab-item a {
  color: #999;
}

.tab-item .showit {
  display: none;
  position: absolute;
  top: 72px;
  left: -53px;
  padding: 25px 0;
  box-sizing: border-box;
  color: #A6B5E6;
  width: 184px;
  font-size: 18px;
  background: rgba(4, 4, 17, 0.9);
  line-height: 38px;
  box-shadow: 0px 0px 5px 2px #052682 inset;
}

a:hover {
  color: #fff !important;
}

.showit .jiant {
  position: absolute;
  top: -7px;
  left: 30px;
  width: 132px;
  height: 8px;
  background: url('../images/index/jiao.png') no-repeat;
}

.tab-item .showit a {
  color: #A6B5E6;
}


.bg {
  position: relative;
  width: 100%;
  height: 1000px;
  overflow: hidden;
}

.bg .banner .item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1000px;
  -webkit-animation: scalechange 5s ease-in-out 0.5s infinite alternate;
  animation: scalechange 5s ease-in-out 0.5s infinite alternate;
}

.bg .banner .pic1 {

  background: url('../images/index/banner_bg.jpg') no-repeat;
  background-size: 100%;


}

.bg .banner .pic2 {
  background: url('../images/index/banner_bg2.jpg') no-repeat;
  background-size: 100%;


}

.bg .banner .pic3 {
  background: url('../images/index/banner_bg3.jpg') no-repeat;
  background-size: 100%;

}

@keyframes scalechange {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }

  100% {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
  }
}

.main1 {
  width: 100%;
  position: absolute;
  top: 0;
  color: #fff;
  text-align: center;
  z-index: 20;
}

.main1 .title {
  font-size: 70px;
  padding-top: 260px;
}

.main1 .subheading {
  font-size: 26px;
  margin-top: 60px;
}

.main1 .tag {
  width: 407px;
  height: 60px;
  line-height: 60px;
  font-size: 28px;
  letter-spacing: 5px;
  border: 1px solid #fff;
  margin: 52px auto 0 auto;
  margin-top: 52px;

}

.main1 .main1-title {
  margin-top: 350px;
  font-size: 42px;
}

.main1bg {
  height: 870px;
  border-top: 1px solid #041C4F;
  border-bottom: 1px solid #041C4F;
  background: url('../images/index/mian2_bg1.png') no-repeat top left,
    url('../images/index/mian2_bg2.png') no-repeat bottom right;
}

.main1bg .top {
  overflow: hidden;
}

.main1bg .itemtitle {
  float: left;
  width: 25%;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.itemtitle.active .line {
  display: block;
  position: absolute;
  bottom: -18px;
  width: 132px;
  height: 8px;
  background: url('../images/index/jiao.png') no-repeat;

}

.itemtitle.active p {
  color: #fff !important;
}

.itemtitle.active .pic-2 {
  display: block !important;
}

.itemtitle.active .pic-1 {
  display: none !important;
}

.main1bg .itemtitle .pic-1 {
  display: block;
}

.main1bg .itemtitle .pic-2 {
  display: none;
}

.main1bg .itemtitle p {
  color: #A6B5E6;
  font-size: 24px;
  margin-top: 30px;
}

.mt450 {
  margin-top: 410px;
}

.mt20 {
  margin-top: 50px !important;
}

.viewing {
  position: relative;
  height: 358px;
  margin: -525px auto 50px auto;
}

.viewing.mt22 {
  margin-top: 20px;
}

.viewing .viewbg {
  width: 100%;
  height: 358px;
  background: url('../images/main2/bg.png') no-repeat;
  opacity: 0.5;
  position: absolute;
}

.viewing .box {
  box-sizing: border-box;
  display: none;
}

.viewing .box .imgs {
  margin-top: 40px;
  float: left;
}

.viewing .box .ml-38 {
  margin-left: -38px
}

.viewing .box .content {
  margin-top: 80px;
  float: right;
  width: 612px;

}

.viewing .box .content h3 {
  font-size: 24px;
  color: #fff;
  margin-bottom: 24px;
}

.content h3 .jiao {
  width: 20px;
  height: 18px;
  display: inline-block;
  margin-left: -33px;
  margin-right: 10px;
  background: url('../images/jiao_2.png') no-repeat;

}

.viewing .box .content p {
  font-size: 18px;
  color: #A6B5E6;
  line-height: 30px;
  margin-bottom: 5px;

}

.main2bg {
  height: 895px;
  background: url('../images/index/main2_bg.jpg') no-repeat;
  background-size: 100% 100%;
}

.main2bg .main2-title {
  padding-top: 80px;
  font-size: 42px;
  text-align: center;
  color: #fff;
  margin-bottom: 30px;
}


.cefang {
  position: absolute;
  width: 1534px;
  height: 150px;
  z-index: 30;
  margin-top: 680px;
  /* margin-left: -1534px; */
  background: url('../images/cefang.png') no-repeat;
}


.hex-row-wrapper {
  margin-left: 40px;
  position: absolute;
  width: 496px;
  height: 518px;
}

.hex-row-wrapper .hexagon .pic-1 {
  display: block;
}

.hex-row-wrapper .hexagon .pic-2 {
  display: none;
}

.hex-row-wrapper .active .pic-1 {
  display: none !important;
}

.hex-row-wrapper .active .pic-2 {
  display: block !important;
}


.hexagon {
  position: absolute;
  width: 166px;
  height: 96px;
  /* background-color: rgba(0, 224, 120, .5); */
  margin: 48px 0;
  /*高度1/2*/
  transform: rotate(90deg);
}

.hexagon:hover {
  z-index: 10;
}

.hexagon:before,
.hexagon:after {
  content: "";
  position: absolute;
  width: 0;
  border-left: 83px solid transparent;
  /*宽度1/2*/
  border-right: 83px solid transparent;
  /*宽度1/2*/
}

.hexagon:before {
  bottom: 100%;
  /* border-bottom: 48px solid rgba(0, 224, 120, .5); */
}

.hexagon:after {
  top: 100%;
  width: 0;
  /* border-top: 48px solid rgba(0, 224, 120, .5); */
}

.hexagon.one {
  top: 75px;
  left: 7px;

}

.hexagon.two {
  top: -14px;
  left: calc(50% - 89px);

}

.hexagon-img {
  position: absolute;
  transform: rotate(-90deg);
  top: -35px;
  left: calc(50% - 94px);
}

.hexagon.three {
  left: calc(50% - 89px);
  top: 164px;

}

.hexagon.four {
  top: 75px;
  right: 18px;


}

.hexagon.five {
  top: initial;
  bottom: 75px;
  left: 7px;


}

.hexagon.six {
  left: calc(50% - 89px);
  bottom: -14px;


}

.hexagon.seven {
  bottom: 75px;
  top: inherit;
  right: 18px;
}

.main2bg .content {
  width: 557px;
  height: 549px;
  background: url(../images/main3/bg.png) no-repeat;
  padding: 28px 30px 28px 28px;
  box-sizing: border-box;
}

.main2bg .content .item {
  margin-bottom: 14px;
  color: #A6B5E6;
}

.main2bg .content .active {
  color: #fff;
}

.main2bg .content .item h3 {
  font-size: 20px;
}

.main2bg .content .item p {
  font-size: 16px;
  line-height: 30px;
}

.main3bg {
  /* margin-top: -20px; */
  height: 922px;
  border-top: 1px solid #041C4F;
  border-bottom: 1px solid #041C4F;
  background: url('../images/index/main3_bg.jpg') no-repeat bottom left;
  background-size: 100% 762px;
}

.main3bg .main3-title {
  padding-top: 80px;
  font-size: 42px;
  text-align: center;
  color: #fff;
  margin-bottom: 30px;
}

.rect-row-wrapper {
  box-sizing: border-box;
  margin-left: 70px;
  width: 420px;
  height: 420px;
  position: relative;
  top: 30px;
  transform: rotate(45deg);
}

.rect-row-wrapper .rect {
  position: absolute;
}

.rect-row-wrapper .rect:hover {
  z-index: 10;
}

.rect-row-wrapper .active .pic-1 {
  display: none !important;
}

.rect-row-wrapper .active .pic-2 {
  display: block !important;
}

.rect-row-wrapper .rect .pic-1 {
  display: block;
}

.rect-row-wrapper .rect .pic-2 {
  display: none;
}

.rect.up {
  left: -25px;
  top: -40px;
}

.rect.right {
  right: -40px;
  top: -26px;
}

.rect.left {
  left: -40px;
  bottom: -30px;
}

.rect.down {
  right: -24px;
  bottom: -45px;
}

.rect img {
  transform: rotate(-45deg);
}

.main3bg .content {
  width: 520px;
  height: 510px;
  padding: 20px 50px;
  box-sizing: border-box;
}

.main3bg .content .item.active {
  color: #fff;
  background: url(../images/main4/bg_sel.png) no-repeat;
}

.main3bg .content .item {
  box-sizing: border-box;
  padding: 28px 45px 30px 30px;
  width: 417px;
  height: 107px;
  background: url(../images/main4/bg.png) no-repeat;
  margin-bottom: 14px;
  color: #A6B5E6;
  font-size: 18px;
  line-height: 30px;
}

.main4bg {
  height: 841px;
  background: url('../images/index/main4_bg.jpg') no-repeat;
  background-size: 100% 100%;
}

.main4bg .main4-title {
  padding-top: 80px;
  font-size: 42px;
  text-align: center;
  color: #fff;
  margin-bottom: 30px;
}

.main4bg .box {
  overflow: hidden;

}

.main4bg .box .item {
  float: left;
  width: 25%;
  text-align: center;

}

.main4bg .box .item {
  width: 25%;
  text-align: center;
  color: #fff;
}

.main4bg .box .item {
  width: 25%;
  text-align: center;
  color: #fff;
}

.main4bg .box .item h2 {
  font-size: 30px;
  margin-top: 50px;
  margin-bottom: 36px;

}

.main4bg .box .item p {
  margin: 0 auto;
  width: 234px;
  font-size: 18px;
  opacity: 0.5;
}





.star-bg {
  margin: -94px auto 0 auto;
  width: 1110px;
  height: 1002px;
  background: url('../images/index/star2.png') no-repeat;
  background-size: 100%;
  position: relative;
  animation: que 120s linear infinite;
}

@keyframes que {

  0% {
    transform: rotate(0deg) scale(1);
    /* -webkit-transform: scale(1);
        transform: scale(1); */
  }

  50% {
    transform: rotate(180deg) scale(1.1);
  }

  100% {
    transform: rotate(360deg) scale(1);
    /* -webkit-transform: scale(1.1);
        transform: scale(1.1); */
  }
}

/* @keyframes scal {

 0%{   
  
     -webkit-transform: scale(1);
     transform: scale(1);
 }
 50%{
    
     -webkit-transform: scale(1.1);
     transform: scale(1.1);
 } 
 100%{
  -webkit-transform: scale(1);
  transform: scale(1);
 }
} */

.headline {
  position: absolute;
  bottom: 530px;
  width: 100%;

}

.headline .name {
  width: 460px;
  margin: 0 auto;
  height: 150px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  box-sizing: border-box;
  padding: 10px;
  margin-bottom: 50px;
}

.headline .name p {
  text-align: center;
  border: 1px dashed rgba(255, 255, 255, 0.5);
  font-size: 88px;
  font-weight: bold;
  color: rgba(255, 255, 255, 1);
  line-height: 125px;
  text-shadow: 0px 5px 0px rgba(22, 43, 85, 1);
}


.headline p {
  text-align: center;
  /* position: absolute;
  top:58%; */
  width: 100%;
  font-size: 48px;
  color: #fff;
  text-shadow: 0px 4px 0px rgba(2, 16, 60, 1);
}

.box-show {
  display: block !important;
}

#layers {
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 21;
}

.layer {
  width: 100%;
  height: 100%;
  position: absolute;
  opacity: 0;
  -webkit-animation-name: zoom;
  animation-name: zoom;
  -webkit-animation-duration: 6s;
  animation-duration: 6s;
  -webkit-animation-timing-function: linear;
  animation-timing-function: linear;
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
}

.layer.layer-2 {
  -webkit-animation-delay: 2s;
  animation-delay: 2s;
}

.layer.layer-3 {
  -webkit-animation-delay: 4s;
  animation-delay: 4s;
}

.star {
  width: 11px;
  height: 11px;
  display: inline-block;
  position: absolute;
  fill: #ffffff;
}

/* .star:nth-child(3n+3) {
  fill: #FEC777;
} */
/* .star:nth-child(5n+5) {
  fill: #498FB3;
} */
@-webkit-keyframes zoom {
  0% {
    -webkit-transform: scale(0.1);
    transform: scale(0.1);
    opacity: 0;
  }

  95% {
    opacity: 1;
  }

  100% {
    -webkit-transform: scale(2);
    transform: scale(2);
    opacity: 0;
  }
}

@keyframes zoom {
  0% {
    -webkit-transform: scale(0.1);
    transform: scale(0.1);
    opacity: 0;
  }

  95% {
    opacity: 1;
  }

  100% {
    -webkit-transform: scale(2);
    transform: scale(2);
    opacity: 0;
  }
}

.g-img {
  background-attachment: fixed !important;
}

.placeholder {
  color: #fff;
  font-size: 32px;
  text-align: center;
  margin: 100px auto;
}