.about {
  padding: 1rem 0 .6rem;
}

.about-title:after {
  letter-spacing: .12rem;
  text-indent: .12rem;
  word-spacing: .15rem;
}

.about-img {
  margin: .8rem auto;
  display: block;
  width: 5.77rem;
  height: 4.32rem;
}

.about-decr {
  width: 6.9rem;
  margin: 0 auto;
  font-size: .26rem;
  color: #586696;
  line-height: .48rem;
  text-align: justify;
}

/* advantage */
.advantage {
  padding: 1rem 0 .6rem;
  background-color: #f1f6fa;
}

.advantage-title:after {
  letter-spacing: .12rem;
  text-indent: .12rem;
  word-spacing: .15rem;
}

.advantage-list {
  width: 6.9rem;
  margin: .56rem auto 0;
  display: flex;
  justify-content: space-between;
}

.advantage-list li {
  width: 2.16rem;
  height: 2.5rem;
  background-color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.advantage-list i {
  width: .54rem;
  height: .54rem;
  margin-bottom: .13rem;
}


.advantage-list li:nth-child(1) i {
  background: url(../img/spr.png) no-repeat -3.15rem -2.65rem/8rem 8rem;
}

.advantage-list li:nth-child(2) i {
  background: url(../img/spr.png) no-repeat -2.51rem -2.65rem/8rem 8rem;
}

.advantage-list li:nth-child(3) i {
  background: url(../img/spr.png) no-repeat -3.79rem -2.65rem/8rem 8rem;
}

.advantage-list span {
  font-size: .22rem;
  line-height: 1;
  color: #3f81f1;
}

.advantage-list b {
  font-size: .46rem;
  line-height: 1;
  color: #586696;
  margin-top: .2rem;
}

.core {
  padding: 1rem 0 .6rem;
}

.core-title:after {
  text-indent: .12rem;
  letter-spacing: .12rem;
  word-spacing: .15rem;
}

.core-list-wrap {
  width: 6.9rem;
  margin: .4rem auto 0;
}

.core-list li {
  width: 3.34rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #f1f6fa;
  padding: 0 .3rem;
  box-sizing: border-box;
}

.core-list li:not(:last-child) {
  margin-right: .22rem;
}

.core-list img {
  border-radius: 50%;
  width: 1.6rem;
  height: 1.6rem;
  background-color: #fff;
  margin: .2rem auto;
}

.core-list span {
  line-height: 1;
  font-size: .26rem;
  color: #616881;
  margin-bottom: .16rem;
}

.core-list b {
  line-height: 1;
  font-size: .26rem;
  color: #586696;
  font-weight: normal;
}

.core-list p {
  font-size: .22rem;
  line-height: .48rem;
  height: 3.36rem;
  color: #586696;
  text-align: justify;
  margin-top: .38rem;
  overflow : hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 7;
  -webkit-box-orient: vertical;
}

.core-list-pagination {
  display: flex;
  justify-content: center;
  margin-top: .4rem;
}

.core-list-pagination li {
  width: .18rem;
  height: .18rem;
  box-sizing: border-box;
  border: 1px solid #586696;
  background-color: #fff;
  transition: all .3s;
}

.core-list-pagination li.swiper-pagination-bullet-active {
  border-color: transparent;
  background-color: #586696;
}