.dz-box {
  width: 1020px;
  margin: 30px auto;
  overflow: hidden;
}

.dz-box .dz-item {
  width: 25%;
  height: 250px;
  padding-top: 20px;
  float: left;
}

.dz-box .dz-item a {
  display: block;
  width: 100%;
  height: 100%;
}

.dz-box .dz-item img {
  display: block;
  margin: 0 auto;
  width: 41px;
  height: 41px;
}

.dz-box .dz-item .dz-item-text-1 {
  margin-top: 20px;
  font-size: 20px;
  text-align: center;
  line-height: 42px;
}

.dz-box .dz-item .dz-item-text-2 {
  margin: 10px auto 0;
  font-size: 16px;
  text-align: center;
  line-height: 18px;
  width: 210px;
  color: #9e9e9e;
}

.team-box {
  width: 1020px;
  margin: 0 auto;
  overflow: hidden;
}

.team-item {
  width: calc(100% / 3);
  float: left;
}

.team-item img {
  display: block;
  width: 100%;
}

.team-item .team-item-text-1 {
  text-align: center;
  font-size: 20px;
  margin-top: 20px;
  line-height: 42px;
}

.team-item .team-item-text-2 {
  margin-top: 10px;
  font-size: 20px;
  text-align: center;
  line-height: 20px;
  color: #9e9e9e;
}

.app-case {
  width: 1020px;
  margin: 64px auto 25px;
}

.app-case .app-case-title {
  overflow: hidden;
  line-height: 50px;
  padding-bottom: 20px;
}

.app-case .app-case-title h3 {
  font-size: 24px;
  color: #7a7a86;
  float: left;
}

.app-case .app-case-title p {
  font-size: 16px;
  float: right;
}

.app-case .app-case-title p a {
  color: #7a7a86;
}

.app-case-list {
  overflow: hidden;
}

.app-case-list .app-case-item {
  float: left;
  width: calc(100% / 3);
  height: 340px;
  position: relative;
}
.app-case-list .app-case-item img {
  display: block;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.app-case-list .app-case-item .app-case-item-mark {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: none;
  cursor: pointer;
}

.app-case-list .app-case-item .app-case-item-mark h4 {
  width: 270px;
  margin: 0 auto;
  padding-top: 40px;
  font-size: 25px;
  color: #fff;
}

.app-case-list .app-case-item .app-case-item-mark p {
  margin: 25px auto 0;
  width: 270px;
  color: #fff;
  font-size: 18px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 9;
  -webkit-box-orient: vertical;
}

.app-case-list .app-case-item:hover .app-case-item-mark {
  display: block;
}
.db-case {
  background-color: #f2f5fa;
  padding: 20px 0 50px;
}

.db-case .db-case-title {
  text-align: center;
  font-size: 38px;
  margin-bottom: 30px;
}

.db-case img {
  display: block;
  float: left;
  width: 220px;
  height: 84px;
}

.db-case-list {
  overflow: hidden;
  width: 1160px;
  margin: 0 auto;
}

.db-case img {
  margin-bottom: 15px;
}

.db-case img:nth-child(5n) {
  margin-left: 15px;
}

.db-case img:nth-child(5n-1) {
  margin-left: 15px;
}

.db-case img:nth-child(5n-2) {
  margin-left: 15px;
}

.db-case img:nth-child(5n-3) {
  margin-left: 15px;
}