.pchead .nav li:nth-child(4) .navs span::after {
transform: scale(1);
}
.aa {
  position: relative;
  z-index: 6;
  background: #fff;
}
.aa .aanavs {
  background: #fff;
}
.aa .aanavs .inwrap .navBox a {
  float: left;
  display: block;
  width: 33.333333%;
  line-height: 50px;
  font-size: 16px;
  color: #4d4d4d;
  text-align: center;
  position: relative;
}
.aa .aanavs .inwrap .navBox a::after {
  transition: all .5s;
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  height: 3px;
  background: #ee9655;
  position: absolute;
  left: 0;
  bottom: -2px;
  transform: scale(0);
}
.aa .aanavs .inwrap .navBox a:hover::after,
.aa .aanavs .inwrap .navBox .actA::after {
  transform: scale(1);
}
.bb {
  padding-top: 90px;
  position: relative;
  z-index: 6;
  background: #fff;
  margin-bottom: 440px;
}
.bb .inwrap .caseUl {
  border-bottom: 1px solid #e6e6e6;
  margin-bottom: 44px;
}
.bb .inwrap .caseUl a {
  display: block;
  width: 32.448573%;
  margin-right: 1.3271405%;
  float: left;
}
.bb .inwrap .caseUl a .imgBox {
  position: relative;
}
.bb .inwrap .caseUl a .imgBox .mask {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  transition: all .5s;
  opacity: 0;
  transform: scale(0);
  z-index: 10;
}
.bb .inwrap .caseUl a .imgBox .infoBox {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  text-align: center;
  margin-top: 18%;
  transition: all .5s;
  transform: scale(1.4);
  opacity: 0;
  z-index: 10;
}
.bb .inwrap .caseUl a .imgBox .infoBox .tcase {
  font-size: 18px;
  line-height: 16px;
  letter-spacing: 14px;
  color: #f2c21e;
}
.bb .inwrap .caseUl a .imgBox .infoBox .caseName {
	width: 80%;
  font-size: 20px;
  line-height: 1.5;
  color: #fff;
  margin: 0 auto;
  margin-top: 4.703%;
}
.bb .inwrap .caseUl a .imgBox .infoBox .icon {
  margin: 0 auto;
  margin-top: 6.5439%;
  width: 45px;
  height: 45px;
  background: url(../images/case_02.png);
  background-size: 100% 100%;
}
.bb .inwrap .caseUl a .title {
  line-height: 88px;
  font-size: 18px;
  overflow: hidden;
  height: 88px;
  text-overflow: ellipsis;
  -ms-text-overflow: ellipsis;
	white-space: nowrap;
}
.bb .inwrap .caseUl a .caseImg {
  display: block;
  width: 100%;
}
.bb .inwrap .caseUl a:hover .imgBox .mask {
  opacity: 1;
  transform: scale(1);
}
.bb .inwrap .caseUl a:hover .imgBox .infoBox {
  transform: scale(1);
  opacity: 1;
}
.bb .inwrap .caseUl a:last-child {
  margin-right: 0;
}
.bb .inwrap .caseUl:last-child {
  margin-bottom: 0;
}
@media screen and (min-width: 1280px) and (max-width: 1366px) {
  .bb .inwrap .caseUl a .title {
    line-height: 60px;
    font-size: 14px;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox .tcase{
  	font-size: 14px;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox .caseName{
  	font-size: 18px;
  	width: 90%;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox{
  	margin-top: 13%;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox .icon{
  	width: 35px;
  	height: 35px;
  	margin-top: 4%;
  }
}
@media screen and (max-width: 1024px) {
  .aa .aanavs .inwrap .navBox a {
    line-height: 42px;
    font-size: 14px;
  }
  .bb {
    padding-top: 6%;
    margin-bottom: 0!important;
  }
  .bb .inwrap .caseUl {
    border-bottom: 1px solid #e6e6e6;
    margin-bottom: 44px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .bb .inwrap .caseUl a {
    display: block;
    width: 32%;
    margin-right: 2%;
    margin-bottom: 2%;

  }
  .bb .inwrap .caseUl a:nth-child(3n){
    margin-right: 0;
  }
  .bb .inwrap .caseUl a .imgBox {
    position: relative;
  }
  .bb .inwrap .caseUl a .imgBox .mask {
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    transition: all .5s;
    opacity: 0;
    transform: scale(0);
  }
  .bb .inwrap .caseUl a .imgBox .infoBox {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    text-align: center;
    margin-top: 18%;
    transition: all .5s;
    transform: scale(1.4);
    opacity: 0;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox .tcase {
    font-size: 18px;
    line-height: 16px;
    letter-spacing: 14px;
    color: #f2c21e;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox .caseName {
    font-size: 20px;
    line-height: 1;
    color: #fff;
    margin-top: 4.703%;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox .icon {
    margin: 0 auto;
    margin-top: 6.5439%;
    width: 45px;
    height: 45px;
    background: url(../images/case_02.png);
    background-size: 100% 100%;
  }
  .bb .inwrap .caseUl a .title {
    line-height: 44px;
    font-size: 14px;
    height: 44px;
  }
  .bb .inwrap .caseUl a .caseImg {
    display: block;
    width: 100%;
  }
  .bb .inwrap .caseUl a:hover .imgBox .mask {
    opacity: 1;
    transform: scale(1);
  }
  .bb .inwrap .caseUl a:hover .imgBox .infoBox {
    transform: scale(1);
    opacity: 1;
  }
  .bb .inwrap .caseUl a:last-child {
    margin-right: 0;
  }
  .bb .inwrap .caseUl:last-child {
    margin-bottom: 0;
  }
}

@media screen and (max-width:768px){
  .bb .inwrap .caseUl a {
    display: block;
    width: 100%;
    margin-right: 0;
    float: none;
    margin-bottom: 6%;
  }
  .bb .inwrap .caseUl a .imgBox {
    position: relative;
  }
  .bb .inwrap .caseUl a .imgBox .mask {
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    transition: all .5s;
    opacity: 0;
    transform: scale(0);
  }
  .bb .inwrap .caseUl a .imgBox .infoBox {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    text-align: center;
    margin-top: 18%;
    transition: all .5s;
    transform: scale(1.4);
    opacity: 0;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox .tcase {
    font-size: 18px;
    line-height: 16px;
    letter-spacing: 14px;
    color: #f2c21e;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox .caseName {
    font-size: 20px;
    line-height: 1;
    color: #fff;
    margin-top: 4.703%;
  }
  .bb .inwrap .caseUl a .imgBox .infoBox .icon {
    margin: 0 auto;
    margin-top: 6.5439%;
    width: 45px;
    height: 45px;
    background: url(../images/case_02.png);
    background-size: 100% 100%;
  }
  .bb .inwrap .caseUl a .title {
    line-height: 44px;
    font-size: 14px;
    height: 44px;
  }
  .bb .inwrap .caseUl a .caseImg {
    display: block;
    width: 100%;
  }
  .bb .inwrap .caseUl a:hover .imgBox .mask {
    opacity: 1;
    transform: scale(1);
  }
  .bb .inwrap .caseUl a:hover .imgBox .infoBox {
    transform: scale(1);
    opacity: 1;
  }
  .bb .inwrap .caseUl a:last-child {
    margin-right: 0;
  }
  .bb .inwrap .caseUl:last-child {
    margin-bottom: 0;
  }
}