.sec:nth-child(2n) {
  background: #F9FAFF;
}

.sec .sec-btn {
  width: 369px;
  height: 50px;
  margin: 60px auto 0;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.sec .sec-btn .btn-left {
  width: 100%;
  background: linear-gradient(90deg, #4591FF 0%, #004BE1 100%);
  color: #fff;
  line-height: 50px;
  font-size: 16px;
  padding-left: 20px;
}

.sec .sec-btn .btn-right {
  width: 100px;
  height: 46px;
  background: #fff;
  position: absolute;
  right: 2px;
  top: 2px;
  color: #004BE1;
  font-size: 16px;
  line-height: 48px;
  vertical-align: middle;
  border-radius: 0px 6px 6px 0;
  text-align: left;
  z-index: 1;
}

.sec .sec-btn .btn-right::before {
  content: '';
  display: block;
  width: 46px;
  height: 46px;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: -1;
  transform: translateX(-20px) skewX(-20deg);
  background: #fff;
  border: none;
}

.sec .sec-btn .btn-right img {
  width: 16px;
  vertical-align: middle;
  margin-left: 10px;
}

.sec1 .item-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sec1 .item {
  width: 321px;
}

.sec1 .item .img-box {
  width: 100%;
  height: 280px;
}

.sec1 .item .title {
  margin-top: 28px;
  font-weight: 600;
  color: #333;
  line-height: 33px;
  font-size: 24px;
  text-align: center;
}

.sec1 .item .desc {
  font-size: 16px;
  color: #666;
  line-height: 22px;
  margin-top: 10px;
  text-align: center;
}

.sec2 .solution-list {
  margin-top: 54px;
  box-shadow: 0px 2px 12px 0px rgba(0, 0, 0, 0.13);
  background: #fff;
}

.sec2 .solution-list li {
  width: 400px;
  height: 87px;
  display: flex;
  align-items: center;
  border: 1px solid #D8E1F3;
  margin-bottom: -1px;
  float: left;
  border-right: none;
  font-size: 18px;
  color: #333;
  padding-left: 40px;
}

.sec2 .solution-list li:nth-child(3n) {
  border-right: 1px solid #D8E1F3;
}

.sec2 .solution-list li img {
  width: 19px;
  margin-right: 8px;
}

.sec3-head {
  padding: 0 53px;
  position: relative;
}

.sec3-head .reaction-bottom-dot {
  width: 104px;
  height: 2px;
  background-color: #004BE1;
  border-radius: 2px;
  position: absolute;
  bottom: 0px;
  left: 0;
  display: none;
  transition: all .5s;
}

.sec3-head li {
  font-size: 18px;
  color: #666;
  line-height: 25px;
  padding-bottom: 30px;
  margin: 0 39px;
  cursor: pointer;
}

.sec3-head li.active {
  color: #004BE1;
}

.sec3-body .swiper-slide {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #F9FAFF;
  padding: 50px;
}

.sec3-body .swiper-slide .left {
  flex-shrink: 0;
}

.sec3-body .swiper-slide .left img {
  height: 489px; 
}

.sec3-body .swiper-slide .right .title {
  font-size: 20px;
  color: #333;
  font-weight: 600;
  line-height: 28px;
}

.sec3-body .swiper-slide .right .desc {
  font-size: 16px;
  color: #666;
  line-height: 24px;
  margin-top: 14px;
}

.sec3-body .swiper-slide .right .icon-box {
  width: 537px;
  border-top: solid 1px #E7E7E7;
  border-bottom: solid 1px #E7E7E7;
  padding: 30px 0 55px;
  display: flex;
  justify-content: space-between;
  text-align: center;
  margin-top: 57px;
}

.sec3-body .swiper-slide .right .icon-box .icon-item img {
  width: 64px;
  height: 64px;
}

.sec3-body .swiper-slide .right .icon-box .icon-item p {
  font-size: 16px;
  color: #333;
  line-height: 22px;
}

.sec4 .sec-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sec4 .sec-content .left li {
  width: 415px;
  height: 170px;
  padding: 40px;
  cursor: pointer;
  border: solid 1px #D8E1F3;
}

.sec4 .sec-content .left li.active {
  background: #5A95F2;
}

.sec4 .sec-content .left li:first-child {
  border-radius: 12px 12px 0 0 ;
}

.sec4 .sec-content .left li:last-child {
  border-radius: 0 0 12px 12px;
}

.sec4 .sec-content .left li .title {
  font-size: 20px;
  color: #000;
  font-weight: 600;
  line-height: 28px;
}

.sec4 .sec-content .left li .desc {
  font-size: 18px;
  color: #444;
  line-height: 25px;
  margin-top: 10px;
}

.sec4 .sec-content .left li.active .title,
.sec4 .sec-content .left li.active .desc {
  color: #fff;
}

.sec4 .sec-content .right {
  width: 685px;
}

.sec5 .item-container .item {
  width: 388px;
  height: 154px;
  box-shadow: 0px 2px 10px 0px rgba(168, 188, 220, 0.5);
  border-radius: 6px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 18px;
  transition: all .5s;
  float: left;
  margin-top: 30px;
  cursor: pointer;
}

.sec5 .item-container .item:hover {
  transform: translateY(-10px);
}

.sec5 .item-container .item:nth-child(-n + 3) {
  margin-top: 0;
}

.sec5 .item-container .item:nth-child(3n) {
  margin-right: 0;
}

.sec5 .item-container .item .img-box {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
  margin-right: 20px;
}

.sec5 .item-container .item .title {
  font-size: 20px;
  color: #000;
  line-height: 28px;
  font-weight: 600;
}

.sec5 .item-container .item .desc {
  font-size: 16px;
  color: #666;
  line-height: 22px;
  margin-top: 10px;
}