.fb-block1 .background{
    width: 100%;
    height: 360px;
    margin-bottom: 120px;
    padding: 120px 16px;
}
.fb-block1 .content{
  padding: 16px 24px 14px;
}
.fb-block1 .title{
  font-size: 48px;
  font-weight: 400;
  color: white;
  line-height: 72px;
  font-weight: normal;
  margin-bottom: 12px;
}
.fb-block1 .sub-title{
  font-size: 24px;
  font-weight: 400;
  color: white;
  line-height: 36px;
}
.fb-block1 .wrap{
  padding: 0;
}
.cate-menu-block{
  width: 100%;
  border-bottom: 1px solid #EFE9E9;
  margin-bottom: 60px;
}
.cate-title{
  position: relative;
  display: flex;
  align-items: center;
  justify-content:center;
}
.cate-title::after{
  margin-left: 8px;
  content: "";
  border-right:6px solid transparent;
	border-left:6px solid transparent;
	border-top:6px solid #888888;
}
.tag-title{
  position: relative;
  position: relative;
  display: flex;
  align-items: center;
  justify-content:center;
}
.tag-title::after{
  margin-left: 8px;
  content: "";
  border-right:6px solid transparent;
	border-left:6px solid transparent;
	border-top:6px solid #888888;
}
.cate-menu{
  width: 620px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.cate-menu .menu-item{
  width: 300px;
  font-size: 24px;
  font-weight: 400;
  color: #888888;
  line-height: 36px;
  padding: 24px 64px;
  position: relative;
  cursor: pointer;
  user-select: none;
}
.cate-menu .submenu{
  display: none;
  position: absolute;
  transform: translate(-50%, 0);
  z-index: 10;
  top: 86px;
  left: 50%;
  width: 600px;
  font-size: 16px;
  font-weight: 400;
  color: #666666;
  line-height: 22px;
  background: #FFFFFF;
  box-shadow: 0px 4px 20px 0px #EFE9E9;
  padding: 20px 20px 8px;
}
.cate-menu .menu-item:hover .cate-title::after{
  border-top:6px solid #FF942E;
}
.cate-menu .menu-item:hover .cate-title{
  color: #FF942E;
}
.cate-menu .menu-item:hover .tag-title::after{
  border-top:6px solid #FF942E;
}
.cate-menu .menu-item:hover .tag-title{
  color: #FF942E;
}
.cate-menu .menu-item:hover .submenu{
  display: block;
}

.cate-item.active{
  color: #FF942E;
}
.cate-list{
  display:flex;
  flex-wrap: wrap;
}
.cate-list .active::before{
  color: #FF942E;
}
.cate-list .cate-item:hover::before{
  position: absolute;
  left: 20px;
  top: 6px;
  width: 0;
  height: 0;
  content: "";
  border-width: 6px 0px 6px 6px;
  border-style: solid;
  border-color: transparent #FF942E;
}
.cate-list .cate-item:hover{
  color: #FF942E;
}


.cate-list .cate-item{
  width: 185px;
  text-align: left;
  margin-bottom: 12px;
  padding-left: 40px;
  user-select: none;
  cursor: pointer;
  position: relative;
}
.cate-item.all{
  width: 600px;
  text-align: left;
}
.case-list{
  display: flex;
  flex-wrap: wrap;
}
.case-list .case{
    display: block;
    padding: 0;
    width: calc(25% - 10px);
    margin-right: 10px;
    margin-bottom: 40px;
    transition: 0.3s;

    border: 1px solid #EFE9E9;
    cursor: pointer;
    border-radius: 4px;
    overflow: hidden;
}

.case-list .case:hover{
  transform: translateY(-10px);
  box-shadow: 0px 4px 20px 0px #EFE9E9;
  border-radius: 4px;
  border: 1px solid #EFE9E9;
}
.case-list .case-img{
    width: 100%;
}
.case-list .img-wrap{
    overflow: hidden;
    width: 100%;
}

.case .hidden{
  display: none;
}
.case .cate{
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  line-height: 20px;
  margin-bottom: 8px;
}
.case .name{
  font-size: 18px;
  font-weight: 600;
  color: #333333;
  line-height: 26px;
  margin-bottom: 8px;
}
.case .title{
  font-size: 14px;
  font-weight: 400;
  color: #999999;
  line-height: 20px;
  text-align: left;
  margin-bottom: 16px;
  height: 40px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-all;

}
.case .tag{
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 20px;
  margin-bottom: 16px;
}
.case .detail{
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 20px;
}

@media screen and (min-width: 768px) and (max-width: 1200px){
  .case-list{
    width: 940px;
  }
}


 @media screen and (min-width: 1200px){


}

@media screen and (min-width: 1440px){

}

@media screen and (min-width: 1680px){
  .case-list{
    width: 1420px;
    margin:auto;
  }
}

@media(max-width: 768px){

  .fb-block1 .title{
    margin-bottom: 12px;
    font-size: 32px;
    line-height: 48px;
  }

  .fb-block1 .sub-title{
    font-size: 16px;
    line-height: 24px;

  }
  .case .title{

  }
  .case-list{
    width: 100%;
  }
  .fb-block1 .case{
    width: 100%;
    margin-bottom: 20px;
  }
  .fb-block1 .img-wrap{
    width: 100%;
  }
  .fb-block1 .case-img{
    width: 100%;
  }
  .cate-menu{
    width: 100%;
    padding: 0;
  }
  .cate-menu .menu-item{
    width: 100%;
    text-align: center;
    padding: 24px 0;
  }
  .cate-menu .submenu{
    left:0;
    transform: translate(0, 0);
    /* left: -200px; */
    width: 100%;
  }
}