body {
  --6ef971e7: #fff;
}
.chain_advantage_con {
  background: #f7f8fb;
  height: 614px;
  min-width: 1200px;
}
.chain_advantage_con .chain_advantage {
  width: 1200px;
  margin: 0 auto;
  height: 614px;
}
.chain_advantage_con .chain_advantage .advantage_title {
  padding-top: 80px;
  text-align: center;
  font-size: 32px;
  color: #17181b;
  line-height: 32px;
}
.chain_advantage_con .chain_advantage .advantage_list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 60px;
  animation-delay: 0.2s;
}
.chain_advantage_con .chain_advantage .advantage_list .list_item {
  position: relative;
  width: 360px;
  height: 362px;
  perspective: 1000px;
}
.chain_advantage_con
  .chain_advantage
  .advantage_list
  .list_item
  .list_item_box {
  transform-style: preserve-3d;
  transition: 0.5s;
  transition-timing-function: cubic-bezier(0.42, 0, 0.81, 1.49);
  width: 100%;
  height: 100%;
}
.chain_advantage_con
  .chain_advantage
  .advantage_list
  .list_item
  .list_item_box
  .item_normal {
  backface-visibility: hidden;
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  height: 100%;
  background: #fff;
}
.chain_advantage_con
  .chain_advantage
  .advantage_list
  .list_item
  .list_item_box
  .item_normal
  .item_img {
  width: 260px;
  height: 260px;
}
.chain_advantage_con
  .chain_advantage
  .advantage_list
  .list_item
  .list_item_box
  .item_normal
  .item_text {
  margin-top: 29px;
  font-size: 16px;
  color: #17181b;
  line-height: 1;
}
.chain_advantage_con
  .chain_advantage
  .advantage_list
  .list_item
  .list_item_box
  .item_hover {
  backface-visibility: hidden;
  position: absolute;
  display: flex;
  width: 100%;
  height: 100%;
  flex-direction: column;
  align-items: center;
  background: #0071ef;
  transform: rotateX(180deg);
}
.chain_advantage_con
  .chain_advantage
  .advantage_list
  .list_item
  .list_item_box
  .item_hover
  .hover_title {
  margin-top: 80px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.chain_advantage_con
  .chain_advantage
  .advantage_list
  .list_item
  .list_item_box
  .item_hover
  .hover_line {
  margin-top: 30px;
  width: 80px;
  height: 4px;
  background: #fff;
  border-radius: 5px;
}
.chain_advantage_con
  .chain_advantage
  .advantage_list
  .list_item
  .list_item_box
  .item_hover
  .hover_explain {
  margin: 40px 40px 0 40px;
  font-size: 12px;
  color: #fff;
  line-height: 1;
  line-height: 28px;
}
.chain_advantage_con
  .chain_advantage
  .advantage_list
  .list_item:hover
  .list_item_box {
  transform: rotateX(-180deg);
}
.chain_cover {
  width: 100%;
  height: 753px;
  min-width: 1200px;
  background: #fff;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.chain_cover .cover_title {
  padding-top: 80px;
  font-size: 32px;
  color: #17181b;
  line-height: 1;
}
.chain_cover .cover_subtitle {
  margin-top: 20px;
  font-size: 16px;
  color: #808082;
  line-height: 16px;
}
.chain_cover .cover_list {
  margin-top: 60px;
  width: 1200px;
  height: 481px;
  background: #fff;
  border-radius: 3px;
  border: 1px solid #ececec;
}
.chain_cover .cover_list .list_box {
  display: flex;
  height: 120px;
  border-bottom: 1px solid #ececec;
}
.chain_cover .cover_list .list_box .box_left {
  width: 274px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #5c5d5f;
  line-height: 48px;
  border-right: 1px solid #ececec;
}
.chain_cover .cover_list .list_box .box_left .left_icon {
  margin-right: 14px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
}
.chain_cover .cover_list .list_box .box_left .left_icon:hover {
  transform: rotate(1turn);
  transition: all 2s;
}
.chain_cover .cover_list .list_box .box_right {
  flex: 1;
  margin: 0 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chain_cover .cover_list .list_box .box_right .right_img {
  width: 149px;
  height: 66px;
}
.chain_cover .cover_list .list_box:last-child {
  border: none;
}
.a_button {
  display: inline-block;
  padding: 0 10px;
  min-width: 84px;
  height: 40px;
  line-height: 40px;
  border-radius: 2px;
  border: 1px solid var(--6ef971e7);
  cursor: pointer;
  font-size: 14px;
  font-weight: 400;
  color: var(--6ef971e7);
  background-color: var(--738be459);
  text-align: center;
  transition: all 0.3s;
  user-select: none;
}
.a_button:hover {
  background: var(--a80caa16);
  color: var(--29958b83);
}
.a_button:active {
  transform: scale(0.9);
}
.chain_header {
  width: 100%;
  height: 560px;
  min-width: 1200px;
  box-sizing: border-box !important;
  background: linear-gradient(68deg, #102795, #0d1a54);
  border-radius: 2px;
}
.chain_header .header_box {
  position: relative;
  margin: 0 auto;
  width: 1200px;
}
.chain_header .header_box .header_title {
  padding-top: 187px;
  font-size: 38px;
  font-weight: 700;
  color: #fff;
  line-height: 38px;
}
.chain_header .header_box .header_explain {
  margin-top: 40px;
  font-size: 18px;
  color: hsla(0, 0%, 100%, 0.5);
  line-height: 18px;
}
.chain_header .header_box .header_btn {
  margin-top: 40px;
}
.chain_header .header_box .header_img {
  position: absolute;
  top: 49px;
  right: 0;
  width: 544px;
  height: 511px;
}
.chain_reliable_con {
  background: #fff;
  border-radius: 1px;
  min-width: 1200px;
}
.chain_reliable_con .chain_reliable {
  width: 1200px;
  margin: 0 auto;
  height: 144px;
  padding-top: 50px;
  box-sizing: border-box !important;
}
.chain_reliable_con .chain_reliable .reliable_item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chain_reliable_con .chain_reliable .reliable_item .item_box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  width: 356px;
}
.chain_reliable_con .chain_reliable .reliable_item .item_box:first-child,
.chain_reliable_con .chain_reliable .reliable_item .item_box:last-child {
  flex: 1;
}
.chain_reliable_con .chain_reliable .reliable_item .item_box:first-child {
  align-items: flex-start;
}
.chain_reliable_con .chain_reliable .reliable_item .item_box:last-child {
  align-items: flex-end;
}
.chain_reliable_con .chain_reliable .reliable_item .item_box:nth-child(-n + 3) {
  position: relative;
}
.chain_reliable_con
  .chain_reliable
  .reliable_item
  .item_box:nth-child(-n + 3):after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 1px;
  height: 60px;
  background: #cfcfcf;
}
.chain_reliable_con .chain_reliable .reliable_item .item_box .title_box {
  display: flex;
  align-items: flex-end;
  color: #0071ef;
  font-weight: 700;
}
.chain_reliable_con
  .chain_reliable
  .reliable_item
  .item_box
  .title_box
  .title_number {
  font-size: 34px;
  line-height: 26px;
}
.chain_reliable_con
  .chain_reliable
  .reliable_item
  .item_box
  .title_box
  .title_company,
.chain_reliable_con
  .chain_reliable
  .reliable_item
  .item_box
  .title_box
  .title_symbol {
  font-size: 24px;
  line-height: 1;
}
.chain_reliable_con .chain_reliable .reliable_item .item_box .subtitle {
  margin-top: 11px;
  font-size: 16px;
  color: #808082;
  line-height: 1;
}
.chain_rin_con {
  background: #f7f8fb;
  min-width: 1200px;
  height: 570px;
}
.chain_rin_con .chain_ring {
  margin: 0 auto;
  width: 1200px;
  height: 570px;
}
.chain_rin_con .chain_ring .ring_title {
  padding-top: 80px;
  text-align: center;
  font-size: 32px;
  color: #17181b;
  line-height: 1;
}
.chain_rin_con .chain_ring .ring_list {
  margin-top: 60px;
  height: 318px;
  display: flex;
  justify-content: space-between;
  animation-delay: 0.2s;
}
.chain_rin_con .chain_ring .ring_list .list_box {
  position: relative;
  padding: 0 40px;
  display: flex;
  align-items: center;
  flex-direction: column;
  box-sizing: border-box !important;
  width: 240px;
  background: #fff;
  border-radius: 1px;
}
.chain_rin_con .chain_ring .ring_list .list_box .list_box_img {
  position: absolute;
  top: 34px;
  right: -50px;
  width: 27px;
  height: 250px;
}
.chain_rin_con .chain_ring .ring_list .list_box .list_box_icon {
  padding-top: 14px;
  width: 48px;
  height: 48px;
}
.chain_rin_con .chain_ring .ring_list .list_box .list_box_title {
  text-align: center;
  padding: 17px 0 24px 0;
  width: 160px;
  border-bottom: 1px solid #ececec;
  font-size: 16px;
  font-weight: 700;
  color: #17181b;
  line-height: 1;
}
.chain_rin_con .chain_ring .ring_list .list_box .list_box_des {
  flex: 1;
  padding: 31px 0 42px 0;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box !important;
}
.chain_rin_con .chain_ring .ring_list .list_box .list_box_des .des_cont {
  font-size: 16px;
  color: #5c5d5f;
  line-height: 1;
}
.chain_rin_con .chain_ring .ring_list .list_box:hover {
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.1);
  transition: all 1s;
}
.chain_rin_con .chain_ring .ring_list .list_box:hover .box_icon_ani {
  animation: hor-bottom-bbe81c22 1.5s 1;
}
@keyframes hor-bottom-bbe81c22 {
  0% {
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
  }
  10%,
  20% {
    -webkit-transform: scale3d(0.9, 0.9, 0.9) rotate(-3deg);
    transform: scale3d(0.9, 0.9, 0.9) rotate(-3deg);
  }
  30%,
  50%,
  70%,
  90% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate(3deg);
    transform: scale3d(1.1, 1.1, 1.1) rotate(3deg);
  }
  40%,
  60%,
  80% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate(-3deg);
    transform: scale3d(1.1, 1.1, 1.1) rotate(-3deg);
  }
  to {
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
  }
}
.chain_scene {
  position: relative;
  width: 100%;
  height: 676px;
  background: #000;
  min-width: 1200px;
}
.chain_scene .main {
  position: relative;
  z-index: 2;
  width: 1200px;
  margin: 0 auto;
}
.chain_scene .main .scene_title {
  text-align: center;
  padding-top: 80px;
  font-size: 32px;
  color: #fff;
  line-height: 1;
}
.chain_scene .main .scene_cont {
  width: 100%;
  height: 100%;
  border-radius: 1px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.chain_scene .main .scene_cont .scene_box {
  margin-top: 60px;
  display: flex;
  height: 424px;
  animation-delay: 0.2s;
}
.chain_scene .main .scene_cont .scene_box .box_left {
  width: 948px;
  padding: 73px 209px 54px 43px;
  box-sizing: border-box !important;
  background: hsla(0, 0%, 5%, 0.2);
}
.chain_scene .main .scene_cont .scene_box .box_left .left_top {
  padding-bottom: 24px;
  border-bottom: 1px solid hsla(0, 0%, 100%, 0.2);
}
.chain_scene .main .scene_cont .scene_box .box_left .left_top .left_top_title {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  line-height: 16px;
}
.chain_scene
  .main
  .scene_cont
  .scene_box
  .box_left
  .left_top
  .left_top_explain {
  width: 532px;
  height: 56px;
  margin-top: 26px;
  font-size: 14px;
  color: hsla(0, 0%, 100%, 0.5);
  line-height: 28px;
}
.chain_scene .main .scene_cont .scene_box .box_left .left_bottom {
  margin-top: 48px;
  width: 700px;
}
.chain_scene .main .scene_cont .scene_box .box_right {
  cursor: pointer;
  padding: 30px 0 60px 0;
  box-sizing: border-box !important;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  width: 250px;
  background: hsla(0, 0%, 5%, 0.5);
}
.chain_scene .main .scene_cont .scene_box .box_right .right_text {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 212px;
  height: 52px;
  background: transparent;
  border-radius: 8px;
  font-size: 16px;
  color: #fff;
  line-height: 52px;
}
.chain_scene .main .scene_cont .scene_box .box_right .text_chang {
  background: #0071ef;
}
.chain_scene .scene_bg_img {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.chain_scene .scene_bg_img_change {
  animation: opacity_change-3d93e7a0 0.5s;
  animation-fill-mode: forwards;
}
@keyframes opacity_change-3d93e7a0 {
  0% {
    opacity: 0.1;
  }
  20% {
    opacity: 0.2;
  }
  50% {
    opacity: 0.5;
  }
  to {
    opacity: 1;
  }
}