.banner {
  height: 472px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url("../image/banner3.png");
}

.container {
  background-color: #f4f4f4;
  position: relative;
  padding-bottom: 50px;
  padding-top: 580px;
}

.serve-box {
  position: absolute;
  width: 1020px;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  overflow: hidden;
}

.serve-box .serve-item {
  float: left;
  width: 50%;
}

.serve-box .serve-item img {
  display: block;
  width: 100%;
  height: 200px;
}

.serve-box .serve-item .serve-item-text {
  background-color: #fff;
  padding: 15px 20px 30px;
}

.serve-box .serve-item .serve-item-text h4 {
  font-size: 24px;
  color: #565656;
}

.serve-box .serve-item .serve-item-text p {
  color: #777;
  font-size: 16px;
  margin-top: 25px;
}

.serve-steps {
  margin-top: 20px;
  background-color: #fff;
  padding-bottom: 50px;
}

#process {
  border-top: 20px solid #f4f4f4;
  position: relative;
}
#process h2 {
  font-size: 28px;
  text-align: center;
  margin-top: 50px;
}
#process .big-tree {
  margin-top: 20px;
}
#process .big-tree .big-branch {
  position: relative;
  height: 140px;
}
#process .big-tree .big-branch .after {
  position: absolute;
  display: none;
  content: "";
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  width: 10px;
  height: 100px;
  background-color: #e4007f;
  top: 70px;
  left: 0;
  right: 0;
  margin: 0 auto;
}
#process .big-tree .big-branch .col-1 {
  width: 102px;
  height: 102px;
  border-radius: 51px;
  -webkit-border-radius: 51px;
  -moz-border-radius: 51px;
  position: relative;
  margin: 0 auto;
  display: none;
  z-index: 1;
}
#process .big-tree .big-branch .col-1 p {
  width: 80px;
  margin: auto;
  font-size: 18px;
  line-height: 20px;
  height: 20px;
  color: #fff;
  text-align: center;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}
#process .big-tree .big-branch .col-2 {
  width: 36px;
  height: 15px;
  display: none;
  background: url("../image/right.png") no-repeat;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 450px;
  right: 0;
  margin: auto 0 auto 120px;
}
#process .big-tree .big-branch .col-3 {
  width: 90px;
  height: 90px;
  position: absolute;
  top: 30px;
  bottom: 0;
  left: 450px;
  right: 0;
  margin: auto 0 auto 156px;
  display: none;
}
#process .big-tree .big-branch .col-4 {
  width: 350px;
  height: 110px;
  position: absolute;
  top: 80px;
  bottom: 0;
  left: 550px;
  right: 0;
  margin: auto 0 auto 156px;
  display: none;
}
#process .big-tree .big-branch .col-4 h4 {
  font-weight: bold;
  margin: 0.8em 0;
  font-size: 18px;
}
#process .big-tree .big-branch .col-4 .small-tree {
  position: relative;
  clear: both;
  zoom: 1;
}
#process .big-tree .big-branch .col-4 .small-tree::before {
  content: "";
  display: table;
}
#process .big-tree .big-branch .col-4 .small-tree::after {
  content: "";
  display: table;
  clear: both;
}
#process .big-tree .big-branch .col-4 .small-tree li {
  float: left;
  width: 105px;
  height: 32px;
  border: 1px solid #dfdfdf;
  border-radius: 16px;
  -webkit-border-radius: 16px;
  -moz-border-radius: 16px;
  line-height: 32px;
  text-align: center;
  margin: 5px;
}
#process .big-tree .big-branch:nth-of-type(1) .col-1 {
  background-color: #f9d164;
}
#process .big-tree .big-branch:nth-of-type(2) .col-1 {
  background-color: #53c29e;
}
#process .big-tree .big-branch:nth-of-type(3) .col-1 {
  background-color: #2fc5e6;
}
#process .big-tree .big-branch:nth-of-type(4) .col-1 {
  background-color: #eec760;
}
#process .big-tree .big-branch:nth-of-type(5) .col-1 {
  background-color: #ee61b0;
}
#process .big-tree .big-branch:nth-of-type(6) .col-1 {
  background-color: #eec760;
}
#process .big-tree .big-branch:nth-of-type(2n) .col-2 {
  background: url("../image/left.png") no-repeat;
  left: 290px;
}
#process .big-tree .big-branch:nth-of-type(2n) .col-3 {
  left: 160px;
}
#process .big-tree .big-branch:nth-of-type(2n) .col-4 {
  left: -110px;
}
#process .big-tree .big-branch:nth-of-type(2n) .col-4 .small-tree {
  padding-right: 90px;
}
#process .big-tree .big-branch:nth-of-type(2n) .col-4 li {
  float: right;
}
#process .big-tree .big-branch:last-of-type .col-1 {
  width: 150px;
  height: 150px;
  background-color: #eb42a0;
  border-radius: 75px;
  -webkit-border-radius: 75px;
  -moz-border-radius: 75px;
}
#process .big-tree .big-branch:last-of-type .col-1 p {
  font-size: 50px;
  width: 110px;
}
#process .big-tree .big-branch:last-of-type .col-1:after {
  display: none;
}
#process .process-bottom {
  margin: 20px auto;
  width: 450px;
  text-align: center;
}
#process .process-bottom h4 {
  font-size: 20px;
  font-weight: bold;
  margin: 0.8em 0;
}
#process .process-bottom p {
  line-height: 28px;
}
#process p {
  color: #777;
}