.main {
  width: 1200px;
  margin: 0 auto;
}
.zhineng-top-text {
  width: 100%;
  height: 550px;
  overflow: hidden;
}
.zhineng-top-text .zhineng-text-box {
  width: 1200px;
  margin: 0 auto;
  position: relative;
  padding-top: 23px;
}
.zhineng-top-text .zhineng-text-box .zhineng-decs {
  width: 600px;
  margin-top: 50px;
}
.zhineng-top-text .zhineng-text-box .zhineng-decs .zhineng-decs-txt {
  font-size: 26px;
  line-height: 40px;
}
.zhineng-top-text .zhineng-text-box .zhineng-decs .zhineng-decs-title {
  line-height: 54px;
  font-weight: bold;
  font-size: 40px;
}
.zhineng-top-text .zhineng-text-box .zhineng-decs .zhineng-line {
  margin: 40px 0;
  width: 152px;
  height: 3px;
  background: #f9b91e;
}
.zhineng-top-text .zhineng-text-box .zhineng-decs .zhineng-decs-text {
  font-size: 18px;
  line-height: 30px;
}
.zhineng-top-text .zhineng-text-box .zhineng-top-img {
  position: absolute;
  top: -43px;
  right: -10px;
}
.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;
}
/** 3 **/
.zhineng-solve {
  background: url(../img/index/dapp_solve.png) no-repeat center;
  padding: 62px 0 72px;
}
.zhineng-solve .features-title {
  color: #fff;
  margin-bottom: 54px;
  text-align: center;
  font-size: 30px;
  line-height: 50px;
}
.zhineng-solve .solve-box {
  margin: 0 -6px 18px;
}
.zhineng-solve .solve-list {
  float: left;
  width: 230px;
  text-align: center;
  background: #fff;
  border-radius: 5px;
  margin: 0 6px;
  padding: 48px 15px 38px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.zhineng-solve .solve-list img {
  width: 52px;
  height: 54px;
  opacity: .5;
}
.zhineng-solve .solve-list:hover img {
  opacity: 1;
}
.zhineng-solve .solve-list:hover .solve-list-title {
  color: #333;
}
.zhineng-solve .solve-list-title {
  font-size: 20px;
  font-weight: bold;
  line-height: 50px;
  color: #666;
  margin-top: 10px;
}
.zhineng-solve .solve-list-decs {
  font-size: 14px;
  color: #888;
  line-height: 25px;
  height: 75px;
  text-align: left;
}
.m-warp {
  width: 1200px;
  margin: 0 auto;
}
.zhineng-features {
  padding: 20px 0 20px;
}
.zhineng-features .features-title {
  text-align: center;
  font-size: 30px;
  line-height: 50px;
}
.zhineng-features .features-box {
  margin-top: 60px;
}
.zhineng-features .features-box .features-list {
  float: left;
  width: 25%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  height: 184px;
}
.zhineng-features .features-box .features-list p {
  font-size: 18px;
  line-height: 50px;
  margin-top: 52px;
}
