.sec1 {
  text-align: center;
}

.sec1 .btn-box {
  margin: 57px auto;
}

.sec1 .btn-box .btn-hollow {
  margin-left: 25px;
  vertical-align: middle;
}

.sec1 .btn-box .btn-solid {
  vertical-align: middle;
}

.sec2 {
  background: #F9FAFF;
  padding-bottom: 0;
}

.sec2 .sec-content {
  padding: 0;
}

.sec2 .item-box:nth-child(2n) {
  background: #fff;
}

.sec2 .item-box {
  padding: 90px 0;
}

.sec2 .item {
  display: flex;
  align-items: center;
}

.sec2 .item .img-box {
  width: 50%;
  text-align: center;
}

.sec2 .item .text-box {
  width: 50%;
  padding-left: 108px;
}

.sec2 .item .title {
  font-size: 28px;
  color: #333;
  font-weight: 600;
}

.sec2 .item .desc {
  font-size: 18px;
  line-height: 30px;
  margin-top: 28px;
  color: #666;
}

.sec2 .item .tags {
  margin-top: 24px;
}

.sec2 .item .tags .li {
  height: 32px;
  float: left;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: #EAF3FF;
  margin-left: 20px;
}

.sec2 .item .tags .li:first-child {
  margin-left: 0;
}

.sec2 .item .tags .li img {
  margin-right: 5px;
}

.sec2 .item .btn-solid {
  margin-top: 46px;
}

.sec3 {
  background: #F9FAFF;
}

.sec3 .tab-header .item {
  width: 240px;
  height: 125px;
  border: 1px solid #E8E8E8;
  background: #fff;
  float: left;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  cursor: pointer;
}

.sec3 .tab-header .item.active {
  border-top: solid 5px #004BE1;
  box-shadow: 1px 0px 9px 0px rgba(0, 0, 0, 0.14);
}

.sec3 .tab-header .item .img-box img {
  max-height: 54px;
}

.sec3 .tab-header .item .img-box .active {
  display: none;
}

.sec3 .tab-header .item.active .img-box .active {
  display: block;
}

.sec3 .tab-header .item.active .img-box .default {
  display: none;
}

.sec3 .tab-header .item .text {
  font-size: 20px;
  margin-top: 5px;
  color: #666;
}

.sec3 .tab-header .item.active .text{
  color: #044EE3
}

.sec3 .tab-body .item {
  display: none;
}

.sec3 .tab-body .item.active {
  display: block;
}

.sec3 .tab-body .item .img-box {
  width: 50%;
  height: 314px;
  float: left;
  overflow: hidden;
}

.sec3 .tab-body .item .img-box img {
  width: 100%;
}

.sec3 .tab-body .item .text-box {
  width: 50%;
  height: 314px;
  float: left;
  background: linear-gradient(-90deg, #4591FF, #004BE1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.sec3 .tab-body .item .text {
  font-size: 20px;
  line-height: 30px;
  color: #fff;
}

.sec3 .tab-body .item .btn {
  width: 117px;
  height: 39px;
  text-align: center;
  line-height: 39px;
  background: #CCE8FF;
  color: #115CE8;
  font-size: 18px;
  border-radius: 4px;
  margin-top: 40px;
  cursor: pointer;
}

.sec4 {
  padding-bottom: 0;
}

.sec4 .common-subtitle span {
  color: #FF1717;
}

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

.sec4 .boutique-case .item {
  width: 285px;
  transition: all .5s;
  cursor: pointer;
}

.sec4 .boutique-case .item:hover {
  transform: translateY(-10px);
  box-shadow: 2px 7px 8px 0px rgba(25, 34, 45, 0.27);
}

.sec4 .boutique-case .item .img-box {
  width: 100%;
  height: 120px;
}

.sec4 .boutique-case .item .img-box img {
  max-width: 100%;
  max-height: 100%;
}

.sec4 .boutique-case .item .text-box {
  background: #F9FAFF;
  padding: 22px 22px 31px;
}

.sec4 .boutique-case .item .logo-box {
  display: flex;
  align-items: center;
  font-size: 18px;
  color: #141414;
}

.sec4 .boutique-case .item .logo-box img {
  width: 50px;
  height: 50px;
  margin-right: 12px;
}

.sec4 .boutique-case .item .desc {
  margin-top: 23px;
  font-size: 16px;
  color: #444444;
  line-height: 16px;
}

.sec4 .case-box {
  background: #F9FAFF;
  margin-top: 90px;
  padding: 36px 0;
  cursor: pointer;
}

.sec4 .case li {
  width: 165px;
  margin-top: 28px;
  float: left;
  margin-right: 42px;
  transition: all .5s;
}

.sec4 .case li:hover {
  transform: translateY(-10px);
  box-shadow: 2px 4px 8px 0px rgb(25,34,45, .27);
}

.sec4 .case li:nth-child(-n+6) {
  margin-top: 0;
}

.sec4 .case li:nth-child(6n) {
  margin-right: 0;
}