@charset "utf-8";
body {
  background-color: #ffffff;
}
/*
* banner板块
*/
.banner_contain {
  width: 100%;
  height: auto;
  min-width: 1200px;
}
.banner_contain a {
  display: block;
  width: 100%;
  height: auto;
}
.banner_contain a img {
  width: 100%;
  height: auto;
}
/*
* 以下板块通用标题
*/
.ao-contain {
  margin: 0 auto;
  width: 100%;
}
.ao-contain .main {
  width: 1200px;
  margin: 0 auto;
}
.ao-contain .main h1 {
  margin-top: 70px;
  margin-bottom: 50px;
  font-size: 30px;
  color: #333;
  text-align: center;
}
.ao-contain .main h1 span {
  font-weight: bold;
}
.ao-contain .main p {
  font-size: 18px;
  line-height: 40px;
  padding:0 10px;
}
.ao-contain .qukuai {
  width: 100%;
  height:667px;
  background:url("../img/index/ao-2.png") no-repeat center;
}
.common_title {
  margin: auto;
  padding: 65px 0 85px;
  width: 1200px;
  height: auto;
}
.common_title h1 {
  width: 100%;
  height: 38px;
  line-height: 38px;
  font-size: 36px;
  color: #333333;
  text-align: center;
}
.common_title h1 span {
  color: #0092dd;
}
.common_title p {
  font-size: 18px;
  line-height: 20px;
  margin-top: 50px;
}
.common_title div {
  width: 100%;
  text-align: center;
}
.common_title div img {
  max-width: 100%;
}
.qukuai {
  width: 100%;
  text-align: center;
}
/*
* 区块链的野蛮生长,给世界带来的三大巨变板块
*/
.change_contain {
  margin: auto;
  margin-bottom: 85px;
  width: 1200px;
  height: auto;
  overflow-x: hidden;
}
.change_contain .change_box {
  width: 1200px;
  height: 289px;
}
.change_contain .change_box li {
  float: left;
  margin: 0 8px;
  padding: 23px 37px 0;
  width: 310px;
  height: 266px;
}
.change_contain .change_box li i {
  display: block;
  margin: 0 auto 35px;
  width: 64px;
  height: 64px;
  background: url(../img/index/elves.png) no-repeat;
}
.change_contain .change_box li h2 {
  margin-bottom: 25px;
  width: 100%;
  height: 22px;
  line-height: 22px;
  font-size: 18px;
  color: #333333;
  font-weight: bold;
  text-align: center;
}
.change_contain .change_box li p {
  width: 100%;
  height: auto;
  line-height: 24px;
  font-size: 14px;
  color: #666666;
}
.change_contain .change_box li i.change_ia {
  background-position: -344px 0;
}
.change_contain .change_box li i.change_ib {
  background-position: -410px 0;
}
.change_contain .change_box li i.change_ic {
  background-position: -476px 0;
}
.change_contain .change_box li:hover {
  -webkit-box-shadow: 1px 0 21px 0 #d0ebf9;
  box-shadow: 1px 0 21px 0 #d0ebf9;
}
/*
* 区块链+板块
*/
.chain_contain {
  width: 100%;
  height: 688px;
  background-color: #5e6d74;
}
.chain_contain .common_title h1 {
  color: #ffffff;
}
.chain_contain .chain_box {
  margin: auto;
  width: 1200px;
  height: 440px;
}
.chain_contain .chain_box li {
  position: relative;
  bottom: 0;
  float: left;
  width: 300px;
  height: 440px;
  -webkit-transition: all .5s linear;
  -o-transition: all .5s linear;
  transition: all .5s linear;
}
.chain_contain .chain_box li .chain_bg {
  width: 100%;
  height: 100%;
}
.chain_contain .chain_box li .chain_over {
  position: absolute;
  top: 0;
  left: 0;
  width: 300px;
  height: 440px;
  -webkit-transition: all .5s linear;
  -o-transition: all .5s linear;
  transition: all .5s linear;
}
.chain_contain .chain_box li .chain_over i {
  display: block;
  margin: 117px auto 45px;
  width: 83px;
  height: 85px;
  background: url(../img/index/elves.png) no-repeat;
  -webkit-transition: all .5s linear;
  -o-transition: all .5s linear;
  transition: all .5s linear;
}
.chain_contain .chain_box li .chain_over h2 {
  margin-bottom: 35px;
  width: 100%;
  height: 24px;
  line-height: 24px;
  font-size: 22px;
  color: #ffffff;
  text-align: center;
}
.chain_contain .chain_box li .chain_over p {
  margin: auto;
  margin-bottom: 15px;
  height: 0;
  line-height: 18px;
  font-size: 16px;
  color: #ffffff;
  overflow: hidden;
  -webkit-transition: all .5s linear;
  -o-transition: all .5s linear;
  transition: all .5s linear;
}
.chain_contain .chain_box li .chain_over p b {
  display: inline-block;
  margin-bottom: 3px;
  margin-right: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #ffffff;
}
.chain_contain .chain_box li.chain_a .chain_over i {
  background-position: 0 0;
}
.chain_contain .chain_box li.chain_a .chain_over p {
  width: 126px;
}
.chain_contain .chain_box li.chain_b .chain_over i {
  background-position: -83px 0;
}
.chain_contain .chain_box li.chain_b .chain_over p {
  width: 170px;
}
.chain_contain .chain_box li.chain_c .chain_over i {
  background-position: -166px 0;
}
.chain_contain .chain_box li.chain_c .chain_over p {
  width: 170px;
}
.chain_contain .chain_box li.chain_d .chain_over i {
  background-position: -249px 0;
}
.chain_contain .chain_box li.chain_d .chain_over p {
  width: 154px;
}
.chain_contain .chain_box li:hover {
  bottom: 17px;
}
.chain_contain .chain_box li:hover .chain_over {
  background-color: #1f86b9;
}
.chain_contain .chain_box li:hover .chain_over i {
  margin-top: 38px;
}
.chain_contain .chain_box li:hover .chain_over p {
  height: 18px;
}
/*
* 区块链行业需要的六大安全能力板块
*/
.safety_contain {
  width: 100%;
  height: 777px;
  background-color: #f9f9f9;
}
.safety_contain .safety_box {
  margin: auto;
  width: 1200px;
  height: 520px;
}
.safety_contain .safety_box li {
  float: left;
  margin: 0 5px 15px;
  padding-top: 25px;
  width: 390px;
  height: 220px;
  text-align: center;
  background-color: #ffffff;
}
.safety_contain .safety_box li i {
  display: block;
  margin: 0 auto 20px;
  width: 66px;
  height: 52px;
  background: url(../img/index/elves.png) no-repeat;
}
.safety_contain .safety_box li h2 {
  margin-bottom: 20px;
  width: 100%;
  height: 24px;
  line-height: 24px;
  font-size: 22px;
  color: #333333;
}
.safety_contain .safety_box li p {
  margin: auto;
  width: 280px;
  height: auto;
  line-height: 24px;
  font-size: 14px;
  color: #666666;
}
.safety_contain .safety_box li i.safety_ia {
  background-position: 0 -85px;
}
.safety_contain .safety_box li i.safety_ib {
  background-position: -66px -85px;
}
.safety_contain .safety_box li i.safety_ic {
  background-position: -132px -85px;
}
.safety_contain .safety_box li i.safety_id {
  background-position: -198px -85px;
}
.safety_contain .safety_box li i.safety_ie {
  background-position: -264px -85px;
}
.safety_contain .safety_box li i.safety_if {
  background-position: -330px -85px;
}
.safety_contain .safety_box li:hover {
  -webkit-box-shadow: 1px 0 21px 0 #d0ebf9;
  box-shadow: 1px 0 21px 0 #d0ebf9;
}
/*
* 技术优势板块
*/
.edge_contain {
  width: 100%;
  height: 692px;
  background-color: #dbebf3;
}
.edge_contain .edge_box {
  margin: auto;
  width: 1200px;
  height: 436px;
}
.edge_contain .edge_box li {
  float: left;
  margin: 0 8px;
  margin-bottom: 24px;
  width: 382px;
  height: 192px;
  border: solid 1px #dbebf3;
  -webkit-transition: all .5s linear;
  -o-transition: all .5s linear;
  transition: all .5s linear;
}
.edge_contain .edge_box li .edge_img {
  float: left;
  width: 166px;
  height: 192px;
}
.edge_contain .edge_box li .edge_img i {
  display: block;
  margin-top: 54px;
  margin-left: 42px;
  width: 85px;
  height: 82px;
  background: url(../img/index/elves.png) no-repeat;
}
.edge_contain .edge_box li h2 {
  float: left;
  margin-top: 58px;
  margin-bottom: 15px;
  width: 216px;
  height: 20px;
  line-height: 20px;
  font-size: 18px;
  color: #333333;
}
.edge_contain .edge_box li p {
  float: left;
  width: 168px;
  height: auto;
  line-height: 22px;
  font-size: 14px;
  color: #666666;
}
.edge_contain .edge_box li .edge_ia i {
  background-position: 3px -142px;
}
.edge_contain .edge_box li .edge_ib i {
  background-position: -82px -142px;
}
.edge_contain .edge_box li .edge_ic i {
  background-position: -167px -142px;
}
.edge_contain .edge_box li .edge_id i {
  background-position: -245px -142px;
}
.edge_contain .edge_box li .edge_ie i {
  background-position: -326px -142px;
}
.edge_contain .edge_box li .edge_if i {
  background-position: -410px -142px;
}
.edge_contain .edge_box li:hover {
  border-color: #0093dd;
  background-color: #ffffff;
  -webkit-box-shadow: 0 7px 15px 0 #b0d3e6;
  box-shadow: 0 7px 15px 0 #b0d3e6;
}
.edge_contain .edge_box li:hover .edge_img i {
  background-position-y: -224px;
}
/*
* 更多应用场景板块
*/
.more_contain {
  margin: auto;
  margin-bottom: 100px;
  width: 1200px;
  height: auto;
}
.more_contain .more_box {
  position: relative;
  width: 1200px;
  height: 504px;
  background: url(../img/index/more_bg.png) no-repeat;
  background-position: center top;
}
.more_contain .more_box li {
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background-color: #e5f4fc;
}
.more_contain .more_box li img {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
}
.more_contain .more_box li .more_mask {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background-color: #ffffff;
  opacity: 0.3;
  -webkit-transition: all .5s linear;
  -o-transition: all .5s linear;
  transition: all .5s linear;
}
.more_contain .more_box li p {
  position: absolute;
  width: auto;
  height: 20px;
  line-height: 20px;
  font-size: 18px;
  color: #999999;
}
.more_contain .more_box li:hover .more_mask {
  opacity: 0;
}
.more_contain .more_box li.more_ia {
  top: 12px;
  left: 293px;
}
.more_contain .more_box li.more_ia p {
  top: 0;
  left: -72px;
}
.more_contain .more_box li.more_ib {
  top: 33px;
  left: 762px;
}
.more_contain .more_box li.more_ib p {
  top: 0;
  right: -72px;
}
.more_contain .more_box li.more_ic {
  top: 163px;
  left: 21px;
}
.more_contain .more_box li.more_ic p {
  bottom: -24px;
  left: -21px;
}
.more_contain .more_box li.more_id {
  top: 205px;
  left: 1026px;
}
.more_contain .more_box li.more_id p {
  bottom: -28px;
  right: -34px;
}
.more_contain .more_box li.more_ie {
  top: 312px;
  left: 259px;
}
.more_contain .more_box li.more_ie p {
  bottom: 0;
  left: -65px;
}
.more_contain .more_box li.more_if {
  top: 345px;
  left: 643px;
}
.more_contain .more_box li.more_if p {
  bottom: 0;
  right: -72px;
}
/*
* 快人一步，链上区块
*/
.tail_contain {
  width: 100%;
  height: 400px;
  background-color: #4c859f;
}
.tail_contain .tail_box {
  margin: auto;
  padding-top: 55px;
  width: 1200px;
  height: auto;
  text-align: center;
}
.tail_contain .tail_box i {
  display: block;
  margin: auto;
  margin-bottom: 40px;
  width: 72px;
  height: 72px;
  background: url(../img/index/elves.png) no-repeat;
  background-position: -397px -65px;
}
.tail_contain .tail_box h1 {
  margin-bottom: 18px;
  width: 100%;
  height: 32px;
  line-height: 32px;
  font-size: 30px;
  color: #ffffff;
}
.tail_contain .tail_box p {
  margin-bottom: 50px;
  width: 100%;
  height: 22px;
  line-height: 22px;
  font-size: 20px;
  color: #cbddf0;
}
.tail_contain .tail_box button {
  width: 240px;
  height: 50px;
  line-height: 50px;
  font-size: 20px;
  color: #cbddf0;
  border-radius: 25px;
  border: solid 1px #ffffff;
  background-color: #4c859f;
  cursor: pointer;
}
/** 7/16 ao ban **/
.conter_fuwu {
  width: 100%;
  background: #deedf8;
  padding-bottom: 70px;
}
.conter_fuwu .main {
  width: 1200px;
  margin: 0 auto;
}
.conter_fuwu .main .fu_title {
  width: 100%;
  text-align: center;
  font-size: 30px;
  color: #333;
  padding: 65px 0;
}
.conter_fuwu .main .fuwu_box {
  width: 100%;
}
.conter_fuwu .main .fuwu_box .item {
  height: 300px;
  width: 383px;
  margin-right: 25px;
  float: left;
  background: #fff;
  margin-bottom: 25px;
  transition: all 0.4s;
}
.conter_fuwu .main .fuwu_box .item img {
  display: block;
  margin: 67px auto 48px;
}
.conter_fuwu .main .fuwu_box .item p {
  height: 90px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.conter_fuwu .main .fuwu_box .item p span {
  display: block;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-size: 20px;
  color: #222;
  font-weight: bold;
}
.conter_fuwu .main .fuwu_box .item:nth-child(3n) {
  margin-right: 0;
}
.conter_fuwu .main .fuwu_box .item:hover {
  box-shadow: 0 0 10px #0093dd;
}
.clearfix:after {
  content: ".";
  width: 0;
  height: 0;
  visibility: hidden;
  display: block;
  clear: both;
  overflow: hidden;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.advantage {
  width: 100%;
}
.advantage .main {
  width: 1200px;
  margin: 0 auto;
}
.advantage .main .advantage_title {
  font-size: 30px;
  color: #333;
  text-align: center;
  padding: 60px 0;
}
.advantage .main .advantage_list {
  width: 100%;
}
.advantage .main .advantage_list .item {
  width: 275px;
  height: 347px;
  float: left;
  margin-right: 32px;
  transition: all 0.4s;
  margin-bottom: 32px;
}
.advantage .main .advantage_list .item img {
  display: block;
  margin: 48px auto 0;
}
.advantage .main .advantage_list .item p {
  font-size: 20px;
  color: #333;
  font-weight: bold;
  text-align: center;
  width: 100%;
  margin: 25px 0;
}
.advantage .main .advantage_list .item div {
  padding: 0 30px;
  box-sizing: border-box;
  width: 100%;
  line-height: 22px;
  font-size: 14px;
  color: #999;
}
.advantage .main .advantage_list .item:nth-child(4n) {
  margin-right: 0;
}
.advantage .main .advantage_list .item:hover {
  box-shadow: 0 0 10px #0093dd;
}