.section-banner .section-container {
  padding: .24rem .3rem;
}
.section-banner .banner-content {
  width: 6.9rem;
  height: 3.92rem;
  background-image: url(//static.biturl.cc/static/m.biturl.cc/images/about-banner-1.png);
  background-repeat: no-repeat;
  background-size: 100%;
  border-radius: .08rem;
  padding: .9rem 0 0 .25rem;
}
.section-banner .banner-title {
  font-size: .32rem;
  font-weight: bold;
  color: #1D2843;
}
.section-banner .banner-title span {
  font-size: .4rem;
}
.section-banner .banner-desc {
  width: 3.15rem;
  line-height: .34rem;
  font-size: .24rem;
  font-weight: 500;
  color: #585E6C;
  margin-top: .22rem;
}
.section-1 .section-container {
  padding: .29rem .3rem 0;
}
.section-1 .section-title {
  line-height: .4rem;
  font-size: .36rem;
  font-weight: bold;
  color: #1D2843;
  text-align: center;
}

.section-1 .section-content {
  padding: .15rem .2rem .2rem;
  line-height: .42rem;
  font-size: .28rem;
  color: #1D2843;
}
.section-1 .about-text {
  padding: .15rem .2rem .2rem;
}
.section-1 .about-text p {
  line-height: .42rem;
  font-size: .28rem;
  color: #1D2843;
}
.section-1 .about-video {
  height: 3.96rem;
  background-color: #fff;
  border: 1px solid #E5E5E5;
  box-shadow: 0px 0px 9px 1px rgba(215,215,215,0.6500);
  padding: .1rem;
}
.section-1 .about-video video {
  width: 100%;
  height: 100%;
}
.section-2 {
  height: 8.38rem;
  background: linear-gradient(90deg, #FEFFFF 0%, #EBF3FF 100%);
}
.section-2 .section-container {
  padding: .5rem .3rem 0;
}
.section-2 .section-title {
  line-height: .5rem;
  font-size: .36rem;
  font-weight: bold;
  color: #1D2843;
  text-align: center;
}
.section-2 .section-content {
  padding: .42rem 0 0 .09rem;
}
.section-2 .section-content img {
  width: 6.53rem;
  height: 6.5rem;
}
.section-3 .section-container {
  padding: .52rem 0 .3rem;
}
.section-3 .section-title {
  line-height: .5rem;
  font-size: .36rem;
  font-weight: bold;
  color: #1D2843;
  text-align: center;
}
.section-3 .section-content {
  padding: .42rem .15rem .2rem;
}
.section-4 .section-container {
  padding: .3rem .3rem .3rem;
}
.section-4 .section-title {
  line-height: .4rem;
  font-size: .36rem;
  font-weight: bold;
  color: #1D2843;
  text-align: center;
}
.section-4 .section-content {
  padding: .3rem .2rem .2rem;
}
.section-4 .section-content p,
.section-4 .section-content ul li {
  line-height: .42rem;
  font-size: .28rem;
  color: #1D2843; 
}
.section-4 .section-content ul {
  padding-left: .08rem;
}
.section-4 .violation-promise {
  margin-bottom: .2rem;
}
.section-4 .violation-partner {
  font-weight: 600;
  margin-top: .3rem;
}


.section-about .history {
  width: 6.9rem;
  background: #FFFFFF;
  box-shadow: 0px 0px .2rem rgba(46, 107, 252, 0.08);
  border-radius: .04rem;
  margin: 0 auto .78rem;
  padding: .41rem .46rem;
}

.section-about .history .title {
  font-size: .36rem;
  font-weight: 500;
  color: #1D2843;
  text-align: center;
}

.section-about .history ul {
  margin-top: .35rem;
  position: relative;
}

.section-about .history ul::after {
  position: absolute;
  display: block;
  content: '';
  height: 100%;
  border-left: 1px solid #DEE5EB;
  top: 0;
  left: 1.1rem;
}

.section-about .history ul li {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

.section-about .history ul li {
  margin-bottom: .28rem;
  position: relative;
}

.section-about .history ul li .tit {
  font-size: .36rem;
  color: #3359B4;
  margin-right: .55rem;
  line-height: .44rem;
}

.section-about .history ul li p {
  font-size: .3rem;
  color: #1D2843;
  margin-right: .08rem;
  width: .67rem;
}

.section-about .history ul li span {
  width: 3.8rem;
  font-size: .26rem;
  color: #585E6C;
  display: block;
}

.section-about .history ul li .d-flex {
  width: 4.55rem;
}

.section-about .history ul li::before {
  position: absolute;
  display: block;
  content: '';
  width: .16rem;
  height: .16rem;
  background: #4D7EF4;
  border-radius: 50%;
  opacity: 0.35;
  border-left: 1px solid #DEE5EB;
  top: .1rem;
  left: 1.01rem;
  z-index: 11;
}

.section-about .history ul li::after {
  position: absolute;
  display: block;
  content: '';
  width: 0.08rem;
  height: 0.08rem;
  background: #4D7EF4;
  border-radius: 50%;
  border-left: 1px solid #DEE5EB;
  top: .14rem;
  left: 1.05rem;
  z-index: 11;
}