.banner {
  position: relative;
  width: 100%;
  overflow: hidden
}

.banner img {
  width: 100%;
  display: block;
  line-height: 0;
  font-size: 0
}

.banner .banner_pic {
  position: absolute;
  width: 77%;
  left: 47%;
  top: 15%;
  animation: bannerrotate 1000s linear 0s infinite
}

.banner .text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%)
}

.banner .text h2 {
  font-weight: bold;
  display: inline-block;
  color: #1359f7;
  background-image: -webkit-gradient(linear, 0% 100%, 100% 0%, from(#1359f7), to(#0dd4ff));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.banner .text p {
  font-weight: bold;
  color: #252b3a
}

.banner .text p i {
  color: #005ec0
}

.banner .text span {
  color: #252b3a;
  display: block;
  margin-top: 1.2%
}

.banner .text a {
  display: inline-block;
  background-image: linear-gradient(90deg, #1359f7, #0daeff);
  padding: .8% 0;
  width: 229px;
  text-align: center;
  border-radius: 5px;
  color: #fff;
  margin-top: 3%
}

.banner .text a::after {
  display: inline-block;
  content: '\e621';
  font-family: iconfont;
  font-size: 16px;
  color: #fff;
  width: 0;
  top: 0;
  opacity: 0;
  transition: all .5s;
  -webkit-transition: all .5s
}

.banner .text a:hover::after {
  margin-left: 6px;
  opacity: 1
}

.ctn1 {
  background-image: url(../images/pc-ebc/bg1.png);
  background-repeat: no-repeat;
  background-size: cover;
  padding: 5% 0;
  width: 100%;
  overflow: hidden
}

.ctn1 img {
  width: 100%;
  display: block;
  line-height: 0;
  font-size: 0
}

.ctn1 h2 {
  color: #252b3a;
  font-weight: bold
}

.ctn1 h2 i {
  color: #005ec0
}

.ctn1 .item_box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 4%
}

.ctn1 .item_box .txt {
  width: 48%
}

.ctn1 .item_box .txt p {
  color: #64728d;
  line-height: 1.8
}

.ctn1 .video_box {
  width: 48%;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer
}

.ctn1 .video_box:hover img {
  transform: scale(1.02)
}

.ctn1 .video_des h2 {
  font-weight: bold;
  color: #252b3a;
  margin-top: 4%
}

.ctn1 .video_des .des {
  color: #64728d;
  text-align: justify;
  margin-top: 2%;
  line-height: 1.8
}

.ctn1 .video_des .des i {
  color: #005ec0
}

.ctn1 .butterfly {
  position: relative;
  margin-top: 3%
}

.ctn1 .butterfly .wing {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between
}

.ctn1 .butterfly .wing div {
  width: 50%
}

.ctn1 .butterfly .wing .w_l {
  transform-origin: 90% 0%
}

.ctn1 .butterfly .wing .w_r {
  transform-origin: 10% 0%
}

.ctn1 .butterfly .des {
  position: absolute;
  z-index: 5
}

.ctn1 .butterfly .des p:nth-child(1) {
  font-weight: bold
}

.ctn1 .butterfly .des p {
  line-height: 1.8;
  color: #2f2a2b
}

.ctn1 .butterfly .code1 {
  top: 27%;
  left: 5%;
  transition: all 2s 2s
}

.ctn1 .butterfly .code1 p:nth-child(1) {
  color: #005bad
}

.ctn1 .butterfly .code2 {
  top: 55%;
  left: 7%;
  transition: all 2s 2.2s
}

.ctn1 .butterfly .code2 p:nth-child(1) {
  color: #00bffd
}

.ctn1 .butterfly .code3 {
  bottom: 1%;
  left: 50%;
  transform: translateX(-50%);
  transition: all 2s 2.4s
}

.ctn1 .butterfly .code3 p {
  text-align: center
}

.ctn1 .butterfly .code3 p:nth-child(1) {
  color: #a368fd
}

.ctn1 .butterfly .code4 {
  right: 5%;
  top: 27%;
  transition: all 2s 2s
}

.ctn1 .butterfly .code4 p {
  text-align: right
}

.ctn1 .butterfly .code4 p:nth-child(1) {
  color: #bda58a
}

.ctn1 .butterfly .code5 {
  right: 7%;
  top: 55%;
  transition: all 2s 2.2s
}

.ctn1 .butterfly .code5 p {
  text-align: right
}

.ctn1 .butterfly .code5 p:nth-child(1) {
  color: #00bcc6
}

.ctn1 .dow {
  text-align: center;
  margin-top: 3%
}

.ctn1 .dow a {
  display: inline-block;
  background-image: linear-gradient(90deg, #1359f7, #0daeff);
  padding: .8% 0;
  width: 320px;
  border-radius: 5px;
  color: #fff
}

.ctn1 .dow a::after {
  display: inline-block;
  content: '\e621';
  font-family: iconfont;
  font-size: 16px;
  color: #fff;
  width: 0;
  top: 0;
  opacity: 0;
  transition: all .5s;
  -webkit-transition: all .5s
}

.ctn1 .dow a:hover::after {
  margin-left: 6px;
  opacity: 1
}

.ctn1 h3 {
  text-align: center;
  font-weight: bold;
  margin-top: 6%;
  color: #252b3a
}

.ctn1 .tab {
  display: flex;
  justify-content: space-evenly;
  margin-top: 3%
}

.ctn1 .tab li {
  display: inline-block;
  padding: 1% 2%;
  color: #252b3a;
  position: relative;
  cursor: pointer
}

.ctn1 .tab li::before {
  content: '';
  width: 0;
  height: 2px;
  background: #0f66e0;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  transition: all .5s;
  -webkit-transition: all .5s
}

.ctn1 .tab li:hover::before {
  width: 100%
}

.ctn1 .tab li.on::before {
  width: 100%
}

.ctn1 .tab_swiper {
  margin-top: 1%;
  border-radius: 10px
}

.ctn1 .tab_swiper .img {
  width: 100%;
  padding-top: 41%;
  overflow: hidden;
  position: relative
}

.ctn1 .tab_swiper .img img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%)
}

.ctn1 .tab_swiper .txt {
  position: absolute;
  bottom: 3%;
  left: 3%
}

.ctn1 .tab_swiper .txt p {
  font-weight: bold;
  color: #fff
}

.ctn1 .tab_swiper .txt span {
  color: #fff;
  display: inline-block;
  margin-top: 2%;
  line-height: 1.8
}

.ctn1 .btn {
  text-align: center;
  margin-top: 3%
}

.ctn1 .btn a {
  display: inline-block;
  color: #1359f7;
  background-image: -webkit-gradient(linear, 0% 100%, 100% 0%, from(#1359f7), to(#0dd4ff));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: .8% .5%;
  position: relative
}

.ctn1 .btn a svg {
  vertical-align: sub;
  margin-left: 5px;
  transition: all .5s
}

.ctn1 .btn a svg path {
  fill: #1490fc
}

.ctn1 .btn a::after {
  content: '';
  width: 100%;
  height: 2px;
  background-image: linear-gradient(90deg, #1359f7, #0dafff);
  position: absolute;
  bottom: 0;
  left: 0
}

.ctn1 .btn a:hover svg {
  margin-left: 10px
}

@keyframes bannerrotate {
  0% {
    transform: rotate(0deg)
  }

  100% {
    transform: rotate(360deg)
  }
}

@keyframes wing {
  0% {
    transform: rotateY(20deg)
  }

  25% {
    transform: rotateY(0deg)
  }

  50% {
    transform: rotateY(20deg)
  }

  80% {
    transform: rotateY(0deg)
  }

  100% {
    transform: rotateY(0deg)
  }
}

.ctn2 {
  background-image: url(../images/pc-ebc/bg2.png);
  background-repeat: no-repeat;
  background-size: cover;
  padding: 5% 0;
  width: 100%;
  overflow: hidden;
  position: relative
}

.ctn2 img {
  width: 100%;
  display: block;
  line-height: 0;
  font-size: 0
}

.ctn2 .item {
  display: flex;
  justify-content: space-between;
  align-items: center
}

.ctn2 .item li {
  width: 50%
}

.ctn2 .item li h2 {
  color: #252b3a;
  font-weight: bold
}

.ctn2 .item li h2 i {
  color: #005ec0
}

.ctn2 .item li p {
  color: #64728d;
  padding-left: 2%;
  line-height: 1.8
}

.ctn2 .item li a {
  display: inline-block;
  background-image: linear-gradient(90deg, #1359f7, #0daeff);
  padding: .8% 0;
  width: 80%;
  text-align: center;
  border-radius: 5px;
  color: #fff;
  margin-top: 2%
}

.ctn2 .item li a::after {
  display: inline-block;
  content: '\e621';
  font-family: iconfont;
  font-size: 16px;
  color: #fff;
  width: 0;
  top: 0;
  opacity: 0;
  transition: all .5s;
  -webkit-transition: all .5s
}

.ctn2 .item li a:hover::after {
  margin-left: 6px;
  opacity: 1
}

.ctn2 h3 {
  text-align: center;
  color: #252b3a;
  margin-top: 3%;
  font-weight: bold
}

.ctn2 .qa {
  border-top: 1px solid #d4d7d8;
  margin-top: 4%
}

.ctn2 .qa li {
  border-bottom: 1px solid #d4d7d8;
  padding: 1.2% 0 1.2% 4%;
  position: relative
}

.ctn2 .qa li h2 {
  color: #252b3a;
  cursor: pointer;
  transition: all .3s
}

.ctn2 .qa li .des {
  color: #64728d;
  padding-top: .8%;
  display: none
}

.ctn2 .qa li::after {
  content: '+';
  position: absolute;
  top: 0;
  left: 1.2%;
  font-size: 36px;
  color: #005ec0
}

.ctn2 .qa li.on h2 {
  font-weight: bold
}

.ctn2 .qa li.on::after {
  content: '-'
}

.ctn2 .slide {
  width: 100%;
  margin-top: 3%
}

.ctn2 .slide img {
  width: 200%;
  transition: none
}

.ctn3 {
  background-color: #002fc9;
  padding: 3% 0;
  width: 100%;
  overflow: hidden
}

.ctn3 img {
  width: 100%;
  display: block;
  line-height: 0;
  font-size: 0
}

.ctn3 h2 {
  text-align: center;
  color: #f3bd23;
  font-weight: bold
}

.ctn3 h3 {
  text-align: center;
  color: #fff
}

.ctn3 ul {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 2%
}

.ctn3 ul li {
  width: 25%;
  text-align: center;
  background-image: url('../images/pc-ebc/x.png');
  background-position: 100% center;
  background-size: 3px;
  background-repeat: no-repeat
}

.ctn3 ul li:nth-last-child(1) {
  background-image: url(' ')
}

.ctn3 ul li .num {
  display: flex;
  justify-content: center;
  align-items: center
}

.ctn3 ul li .num p {
  color: #f3bd23;
  line-height: 1;
  font-size: 60px
}

.ctn3 ul li .num .Symbol {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start
}

.ctn3 ul li .num .Symbol i {
  color: #f3bd23;
  display: block;
  width: 100%;
  font-size: 29px;
  line-height: 1;
  text-align: left;
  font-weight: bold
}

.ctn3 ul li .num .Symbol span {
  color: #fff;
  display: block;
  width: 100%;
  font-size: 22px;
  line-height: 2;
  text-align: left
}

.ctn3 ul li .num.special .Symbol i {
  font-size: 24px
}

.ctn3 ul li .num.special .Symbol span {
  font-size: 20px;
  color: #f3bd23;
  line-height: 1
}

.ctn3 ul li .des {
  color: #fff;
  text-align: center
}

.ctn3 .prize {
  display: flex;
  justify-content: center;
  margin-top: 1%
}

.ctn3 .prize p {
  display: block;
  max-width: 200px;
  margin: 0 4%
}

.ctn3 .text {
  text-align: center;
  color: #fff;
  margin-top: 1.5%
}

.ctn3 .text span {
  color: #f3bd23;
  vertical-align: sub
}

.ctn3 .text i {
  color: #f3bd23
}

.ctn3 .tagging {
  text-align: center;
  color: #8d98e0
}

.w1280 {
  width: 1280px;
  margin: 0 auto
}

@media screen and (max-width:1280px) {
  .w1280 {
    width: 94%
  }

  .ctn1 .item_box .item_r ul li .img {
    width: 45px
  }

  .ctn1 .video_box {
    margin-top: 4%
  }

  .ctn2 .qa li::after {
    font-size: 31px
  }
}

@media screen and (max-width:998px) {
  .ctn1 .butterfly .code4 p {
    font-size: 12px
  }

  .ctn1 .butterfly .code3 {
    bottom: -3%
  }

  .banner .text h2 {
    font-size: 24px
  }

  .banner .text p {
    font-size: 18px
  }

  .banner .text span {
    margin-top: 5px;
    font-size: 14px
  }

  .banner .banner_bg {
    width: 180%;
    margin-left: -40%
  }

  .banner .banner_pic {
    bottom: -26%;
    top: auto
  }

  .ctn1 h2 {
    font-size: 24px
  }

  .ctn1 .item_box .item_l {
    width: 100%
  }

  .ctn1 .item_box .item_r {
    width: 100%;
    margin-top: 4%
  }

  .ctn1 .item_box .item_r ul li .img {
    width: 35px
  }

  .ctn1 .video_des ul li {
    width: 100% !important
  }

  .ctn1 .butterfly .des {
    position: static;
    width: 100%;
    transform: translateX(0);
    margin-bottom: 10px
  }

  .ctn1 .butterfly .des p {
    text-align: center
  }

  .ctn1 .item_box .item_l .tit {
    padding: 3%
  }

  .ctn1 .item_box .item_r .tit {
    padding: 3%
  }

  .ctn1 .item_box .item_l .des li {
    padding: 0 4%
  }

  .ctn1 .item_box .item_r ul li {
    padding: 2% 0;
    margin-bottom: 4%
  }

  .ctn1 .butterfly .des p:nth-child(1) {
    font-size: 16px
  }

  .ctn1 .dow a {
    padding: 2% 0;
    width: 80%
  }

  .banner .text a {
    padding: 2% 0;
    width: 50%
  }

  .ctn1 h3 br {
    display: none
  }

  .ctn1 h3 {
    font-size: 24px
  }

  .ctn1 .tab_swiper .txt span {
    font-size: 12px;
    line-height: 1.5
  }

  .ctn2 .item {
    flex-wrap: wrap
  }

  .ctn2 .item li {
    width: 100%;
    margin-bottom: 10px
  }

  .ctn2 .item li a {
    width: 100%;
    padding: 2% 0
  }

  .ctn2 .qa li::after {
    font-size: 24px
  }
}

@media screen and (max-width:768px) {
  .ctn2 .qa li {
    padding: 1.2% 0 1.2% 38px
  }

  .ctn3 ul {
    flex-wrap: wrap
  }

  .ctn3 ul li {
    width: 50%
  }

  .ctn3 ul li {
    margin-top: 2%
  }

  .ctn3 ul li .num p {
    font-size: 40px
  }

  .ctn3 ul li .num .Symbol i {
    font-size: 14px !important
  }

  .ctn3 ul li .num .Symbol span {
    font-size: 14px !important
  }

  .ctn3 ul li:nth-child(2n) {
    background-image: url()
  }

  .ctn3 .prize {
    flex-wrap: wrap
  }

  .ctn3 .prize p {
    width: 100%;
    max-width: none;
    margin-bottom: 2%
  }

  .ctn3 .prize p img {
    width: 200px;
    margin: 0 auto
  }

  .ctn3 .tagging {
    margin-top: 3%
  }
}

/*# sourceMappingURL=./page0421.css.map */