
.page-nav {
  display: flex;
  margin-top: 160px;
  justify-content: center;
}

.page-nav-item {
  min-width: 166px;
  height: 46px;
  line-height: 46px;
  font-size: 16px;
  color: #444546;
  background-color: #EDEDED;
  margin: 0 5px;
  padding: 0 16px;
  text-align: center;
  cursor: pointer;
  box-sizing: border-box;
}

.page-nav-item-on {
  color: #fff;
  background-color: #057FFF;
}

.page-main {
  margin: 60px auto 150px;
}

.sub-list,
.sub-list-more {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 35px 45px;
}

.sub-list-wrap {
  margin-top: 35px;
}

.sub-item {
  position: relative;
  height: 0;
  padding-bottom: 60.5%;
}

.sub-item > img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.sub-item > h3 {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 38px;
  line-height: 38px;
  min-height: 38px;
  padding: 0 10px;
  box-sizing: border-box;
  color: #fff;
  font-size: 16px;
  background-color: rgba(0, 0, 0, .5);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

.sub-list-wrap {
  height: 0;
  overflow: hidden;
  transition: height ease .3s;
}

.page-list-act {
  text-align: center;
  margin-top: 35px;
}

.page-list-spread {
  display: inline-block;
  width: 168px;
  height: 34px;
  line-height: 34px;
  color: #fff;
  background-color: #057FFF;
  font-size: 14px;
  border-radius: 66px;
  cursor: pointer;
}
