.swiper-pagination-bullet {
  width: 30px;
  height: 2px;
  border-radius: 0;
  background: #fff;
  opacity: .2;
}

.swiper-pagination-bullet-active {
  width: 60px;
  opacity: 1;
}

.statistics-wrapper {
  padding: 60px 0;
}

.statistics-wrapper .flex-wrapper>div {
  flex-grow: 1;
  border-right: 1px solid #CCCCCC;
}

.statistics-wrapper .flex-wrapper>div:last-of-type {
  border: none;
}

.statistics-wrapper p {
  font-size: 20px;
  color: #999999;
  text-align: center;
}

.statistics-wrapper span {
  display: inline-block;
  color: #333333;
}

.statistics-wrapper .number {
  font-size: 60px;
}

.statistics-wrapper .unit {
  font-size: 20px;
  position: relative;
  margin-left: 5px;
  top: -25px;
}

.service-wrapper, .introduction-wrapper {
  padding: 80px 0 40px;
}

.title, .subtitle {
  text-align: center;
}

.title {
  color: #33312E;
  font-size: 36px;
}

.subtitle {
  font-size: 20px;
  color: #999691;
  margin: 15px 0 60px;
}

.service-wrapper li {
  float: left;
  width: 546px;
  height: 120px;
  padding: 35px 70px;
  margin-bottom: 30px;
  background: url(../imgs/index_bg1.png);
}

.service-wrapper li:nth-of-type(2) {
  background: url(../imgs/index_bg2.png);
  margin-left: 108px;
}

.service-wrapper li:nth-of-type(3) {
  background: url(../imgs/index_bg3.png);
}

.service-wrapper li:nth-of-type(4) {
  background: url(../imgs/index_bg4.png);
  margin-left: 108px;
}

.service-wrapper li p {
  font-size: 20px;
  color: #333333;
}

.introduction-wrapper .flex-wrapper>div {
  flex-grow: 1;
  background: #fff;
  text-align: center;
  transition: all .5s;
  cursor: pointer;
}

.introduction-wrapper .flex-wrapper>div:nth-of-type(2) {
  margin: 0 30px;
}

.introduction-wrapper h6 {
  font-size: 20px;
  color: #333333;
  padding: 30px 0 15px;
  position: relative;
}

.introduction-wrapper h6::after {
  content: "";
  width: 40px;
  height: 1px;
  background: #333333;
  position: absolute;
  left: 50%;
  margin-left: -20px;
  bottom: 0;
  transition: all .5s;
}

.introduction-wrapper .flex-wrapper p {
  font-size: 16px;
  color: #333333;
  padding: 10px 0 30px;
}

.introduction-wrapper .flex-wrapper>div:hover {
  background: #FFAA33;
}

.introduction-wrapper .flex-wrapper>div:hover h6, .introduction-wrapper .flex-wrapper>div:hover p {
  color: #fff;
}

.introduction-wrapper .flex-wrapper>div:hover h6::after {
  background: #fff;
  width: 180px;
  margin-left: -90px;
}