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

.sec1 .item {
  width: 328px;
  height: 378px;
  background: #FFFFFF;
  border: 1px solid #D3D3D3;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: all .5s;
}

.sec1 .item:hover {
  transform: translateY(-10px);
  box-shadow: 2px 7px 8px 0px rgba(25, 34, 45, 0.27);
}

.sec1 .item .img-box {
  width: 200px;
  height: 185px;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.sec1 .item .title {
  font-size: 20px;
  line-height: 28px;
  font-weight: 600;
  color: #333;
  margin-top: 25px;
}

.sec1 .item .desc {
  height: 77px;
  font-size: 16px;
  line-height: 26px;
  color: #666;
  margin-top: 9px;
}

.sec1 .btn-solid {
  margin: 67px auto 0;
}

.sec2 {
  background: #F9FAFF;
}

.sec2 img {
  width: 100%;
}

.sec2 .btn-solid {
  margin: 30px auto 0;
}

.sec3 .item-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sec3 .item {
  width: 285px;
  height: 207px;
  border-radius: 3px;
  padding-top: 32px;
  text-align: center;
}

.sec3 .item:nth-child(1) {
  background: #4A8DF2;
}

.sec3 .item:nth-child(2) {
  background: #F38050;
}

.sec3 .item:nth-child(3) {
  background: #F7C53C;
}

.sec3 .item:nth-child(4) {
  background: #1BAFA7;
}

.sec3 .item .img-box {
  height: 59px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sec3 .item .title {
  font-size: 24px;
  line-height: 40px;
  color: #fff;
  font-weight: 600;
  position: relative;
}

.sec3 .item .title::after {
  content: '';
  display: block;
  width: 40px;
  height: 4px;
  background: #E6F0FF;
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
}

.sec3 .item .desc {
  font-size: 18px;
  line-height: 25px;
  margin-top: 30px;
  color: #fff;
}

.sec3 .btn-solid {
  width: 174px;
  margin: 74px auto 0;
}

.sec4 {
  background: #F9FAFF;
}

.sec4 .item-container:nth-child(2n) {
  background: #fff;
}

.sec4 .item  {
  padding: 100px 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sec4 .item .img-box {
  width: 50%;
  text-align: center;
}

.sec4 .item img {
  width: 100%;
}

.sec4 .item .text-box {
  width: 50%;
  padding-left: 50px;
}

.sec4 .item .text-box .title {
  font-size: 28px;
  font-weight: 600;
  line-height: 40px;
  color: #333;
}

.sec4 .item .text-box .desc {
  font-size: 18px;
  line-height: 24px;
  margin-top: 33px;
  color: #666;
}

.sec4 .item .text-box .btn-solid {
  margin-top: 78px;
}