.box {
  margin-top: 60px;
}
.box-head {
  position: relative;
  text-align: center;
  margin-bottom: 60px;
}
.box-head .title {
  font-size: 38px;
  position: relative;
  z-index: 2;
}
.box-head .title::after {
  content: "";
  width: 60px;
  height: 4px;
  display: block;
  background: #235fbe;
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
}
.box-head .subTitle {
  color: #dbdbdb;
  font-size: 28px;
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  letter-spacing: 8px;
}
.box-content {
  position: relative;
}
.box .btns {
  position: absolute;
  width: 36px;
  height: 36px;
  cursor: pointer;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
}
.box .btns img {
  width: 100%;
  height: 100%;
}
.box .btns.pre {
  left: -65px;
  transform: translateX(-100%);
}
.box .btns.pre img {
  transform: rotate(180deg);
}
.box .btns.next {
  right: -65px;
  transform: translateX(100%);
}