body {
  background: #f6f6f6;
  min-width: 1366px
}

.more-btn {
  display: block;
  background: #3cab69;
  width: 180px;
  height: 60px;
  text-align: center;
  line-height: 60px;
  border-radius: 30px;
  margin: 30px auto 0;
  color: #fff;
  transition: all .5s
}

.more-btn:hover {
  transform: scale(1.1);
  color: #fff;
  box-shadow: 0 0 3px 3px rgba(0, 0, 0, .1)
}

.description {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 50px;
  background: #fff;
  padding: 30px 0
}

.description .item {
  text-align: center;
  padding: 0 30px
}

.description .item h2 {
  font-size: 22px;
  font-weight: bold
}

.description .item p {
  color: #666;
  margin-top: 15px
}

.product-wrapper {
  margin: 40px 0
}

.product-wrapper .content-wrapper {
  background: #fff;
  padding: 40px 80px
}

.product-wrapper .pro-menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 580px;
  margin: 0 auto;
  padding: 20px 0
}

.product-wrapper .pro-menu .pro-tab {
  font-size: 16px;
  font-weight: bold;
  cursor: pointer
}

.product-wrapper .pro-menu .pro-tab.act {
  color: #3cab69
}

.product-wrapper .pro-submenu {
  padding: 20px 5px;
  border-top: 1px solid #e5e5e5;
  display: none;
  justify-content: center;
  align-items: center;
  gap: 20px
}

.product-wrapper .pro-submenu.act {
  display: flex
}

.product-wrapper .pro-submenu a {
  display: block
}

.product-wrapper .pro-submenu a:hover {
  color: #3cab69
}

.product-wrapper .list {
  width: 100%;
  padding: 5px;
  display: flex;
  flex-wrap: wrap;
  gap: 30px
}

.product-wrapper .pro-item {
  display: block;
  box-shadow: 0 0 5px 3px rgba(0, 0, 0, .08);
  width: calc((100% - 60px) / 3);
}

.product-wrapper .pro-item:hover .mask {
  height: 100%
}

.product-wrapper .pro-item:hover p {
  color: #fff
}

.product-wrapper .banner {
	width: 100%;
  height: 255px
}

.product-wrapper .banner img {
  width: 100%;
  height: 100%;
  object-fit: contain
}

.product-wrapper .pro-title {
  position: relative
}

.product-wrapper .pro-title p {
  line-height: 59px;
  padding: 0 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #333;
  font-size: 16px;
  text-align: center;
  position: relative
}

.product-wrapper .pro-title .mask {
  transition: height .5s;
  background: #3cab69;
  height: 0;
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: -1
}

.advance-wrapper {
  background: #000;
}

.advance-wrapper .content-wrapper {
	width: 100%;
}

.advance-wrapper img {
	width: 100%;
}

.about-wrapper .content-wrapper {
  display: flex;
  gap: 40px;
  padding-bottom: 35px
}

.about-wrapper .content-wrapper .right {
  padding: 15px 0
}

.about-wrapper .content-wrapper h1 {
  font-size: 30px;
  font-weight: bold
}

.about-wrapper .content-wrapper p {
  letter-spacing: .5px
}

.h-wrapper {
  padding: 70px 0;
  background-image: url(https://hnuouzen.oss-cn-shenzhen.aliyuncs.com/assets/hangye-bg.jpg);
  background-size: cover;
  background-position: center;
  margin-top: 40px
}

.h-wrapper .list {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  margin-top: 40px
}

.h-wrapper .item {
  background-repeat: no-repeat;
  width: 341px;
  height: 604px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: transform .5s;
  position: relative
}

.h-wrapper .item:nth-of-type(2) .bg {
  background-position: -341px 0
}

.h-wrapper .item:nth-of-type(3) .bg {
  background-position: -682px 0
}

.h-wrapper .item:nth-of-type(4) .bg {
  background-position: -1023px 0
}

.h-wrapper .item:hover {
  transform: translateY(-20px)
}

.h-wrapper .item:hover .bg2 {
  height: 0
}

.h-wrapper .item .bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url(https://hnuouzen.oss-cn-shenzhen.aliyuncs.com/assets/hangye.jpg);
  z-index: 0
}

.h-wrapper .item .bg2 {
  filter: grayscale(100%);
  transition: height .6s linear
}

.h-wrapper .item .mask {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0
}

.h-wrapper .item h3 {
  margin-top: 16px;
  font-size: 15px
}

.h-wrapper .item h3, .h-wrapper .item .icon {
  z-index: 1
}

.case-wrapper {
  padding: 40px 0
}

.case-wrapper .list {
  margin-top: 50px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px
}

.case-wrapper .item {
  display: block;
  width: calc((100% - 36px) / 3);
  transition: all .5s;
  position: relative
}

.case-wrapper .item .case-title {
  padding: 15px;
  font-size: 18px;
  position: absolute;
  bottom: 0;
  color: #fff;
  font-weight: 700;
  line-height: 26px;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap
}

.case-wrapper .item .banner {
  width: 100%;
  height: 290px
}

.case-wrapper .item .banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.case-wrapper .item:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 10px 3px rgba(0, 0, 0, .3)
}

.news-wrapper {
  padding: 40px 0
}

.news-wrapper .list {
  margin-top: 50px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px
}

.news-wrapper .item {
  display: block;
  width: calc((100% - 36px) / 3);
  transition: all .5s
}

.news-wrapper .item .banner {
  width: 100%;
  height: 325px
}

.news-wrapper .item .banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.news-wrapper .item:hover {
  box-shadow: 0 0 10px 3px rgba(0, 0, 0, .1);
  transform: translateY(-8px)
}

.news-wrapper .item:hover .bottom {
  background-color: #fff
}

.news-wrapper .item:hover .bottom .left {
  background-color: #3cab69;
  color: #fff
}

.news-wrapper .item:hover .bottom h2, .news-wrapper .item:hover .bottom .detail {
  color: #3cab69
}

.news-wrapper .item .bottom {
  padding: 15px 15px 15px 0;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 10px;
  height: 170px
}

.news-wrapper .item .bottom .left {
  width: 80px;
  height: 80px;
  display: flex;
  font-size: 15px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #eee;
  flex-shrink: 0;
  color: #444
}

.news-wrapper .item .bottom .right {
  width: 335px
}

.news-wrapper .item h2 {
  font-size: 18px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  color: #333;
  letter-spacing: 1px;
  font-weight: bold
}

.news-wrapper .item p {
  margin-top: 16px;
  font-size: 15px;
  color: #888;
  letter-spacing: 1px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden
}

.news-wrapper .item .detail {
  color: #999;
  margin-top: 5px
}