.about-wrap {
  width: 1200px;
  margin: 84px auto 94px;
  overflow: hidden;
}

.about-wrap img {
  display: block;
  width: 469px;
  height: 351px;
  margin: 0 3px 0 150px;
}

.about-wrap h3 {
  padding-top: 37px;
  text-align: left;
  text-indent: 0;
}

.about-wrap h3:after {
  margin-left: 0;
  margin-right: 0;
  position: static;
  width: 138px;
  background: url(../img/spr.png) no-repeat -10px -618px;
}

.about-wrap p {
  font-size: 14px;
  color: #8e96b4;
  line-height: 28px;
  margin: 35px 0 0;
  text-align: justify;
}

/* 我们的优势 */
.advantage {
  padding: 100px 0;
  background-color: #f1f6fa;
}

.advantage-title:after {
  width: 176px;
  background: url(../img/spr.png) no-repeat -10px -637px;
}

.advantage-list {
  width: 1200px;
  margin: 40px auto 0;
  overflow: hidden;
}

.advantage-list li {
  float: left;
  width: 374px;
  height: 250px;
  background-color: #fff;
  margin-left: 39px;
}

.advantage-list li:first-child {
  margin-left: 0
}

.advantage-list i {
  display: block;
  width: 54px;
  height: 54px;
  margin: 55px auto 0;
}

.advantage-list i.item1 {
  background: url(../img/spr.png) no-repeat -10px -656px;
}

.advantage-list i.item2 {
  background: url(../img/spr.png) no-repeat -74px -656px;
}

.advantage-list i.item3 {
  background: url(../img/spr.png) no-repeat -138px -656px;
}

.advantage-list span {
  font-size: 20px;
  color: #3f81f1;
  line-height: 1;
  text-align: center;
  display: block;
  margin: 13px auto;
}

.advantage-list b {
  font-size: 46px;
  color: #586696;
  display: block;
  text-align: center;
  line-height: 1;
  font-weight: 400;
}

/* 核心成员 */
.core-members {
  padding: 100px 0;
}

.core-members-title:after {
  background: url(../img/spr.png) no-repeat -10px -720px;
}

.core-members-list {
  width: 1200px;
  margin: 40px auto 0;
  overflow: hidden;
}

.core-members-list li {
  float: left;
  width: 234px;
  background-color: #f1f6fa;
  margin-left: 7px;
  padding: 30px 24px 20px;
  box-sizing: border-box;
}

.core-members-list li:first-child {
  margin-left: 0;
}

.core-members-list img {
  display: block;
  width: 117px;
  height: 117px;
  background-color: #fff;
  border-radius: 50%;
  margin: 0 auto;
}

.core-members-list b {
  display: block;
  text-align: center;
  line-height: 1;
  margin: 15px auto 24px;
  color: #616881;
  font-size: 20px;
  font-weight: 500;
}

.core-members-list span {
  display: block;
  line-height: 1;
  text-align: center;
  color: #586696;
  font-size: 14px;
}

.core-members-list p {
  font-size: 14px;
  color: #7f8aad;
  line-height: 28px;
  height: 196px;
  margin: 15px 0 0;
  text-align: justify;
  overflow: hidden;
}