.main .banner-box {
  overflow: hidden;
  height: 462px;
  position: relative;
}

.main .banner-box img {
  position: absolute;
  width: 1920px;
  height: 100%;
  left: 50%;
  top: 0;
  margin-left: -960px;
}

.content {
  margin-bottom: 100px;
}

.content .part-title {
  color: #854306;
  font-size: 30px;
  margin-top: 50px;
}

.content .content-list {
  margin-top: 15px;
}

.content .content-list .list-item {
  margin-left: 15px;
  margin-top: 15px;
  position: relative;
  width: 376px;
  height: 255px;
  overflow: hidden;
}

.content .content-list .list-item img {
  width: 100%;
  transition: transform .3s;
}

.content .content-list .list-item:nth-child(3n+1) {
  margin-left: 0;
}

.content .content-list .list-item .item-desc {
  color: #333;
  font-size: 18px;
  text-align: center;
  position: absolute;
  left: 0;
  bottom: -50px;
  width: 100%;
  padding: 8px 0;
  background: rgba(255, 255, 255, 0.8);
  transition: bottom .3s;
}

.content .content-list .list-item:hover .item-desc {
  bottom: 0;
}

.content .content-list .list-item:hover img {
  transform: scale(1.2);
}