.cell-box{font-size: 0;}
.cell-box:before{content: ''; height: 100%; display: inline-block; vertical-align: middle;}
.cell-box .cell{width: 100%; display: inline-block; vertical-align: middle;}
/*scroll*/


 .case-s1 .item a {
  font-size: 28px;
}
 .case-s1 .item span {
  font-size: 28px;
}


.font-32, .news-s2 .item .tit, .other-s2 .right-box .tit, .other-s3 .tip {
  font-size: 28px;
}

.case-s1 .item .tit{
  font-size: 28px;
}



.case-s1 {
  display: flex;
}
.case-s1 .item {
  flex: 1;
  height: 800px;
  position: relative;
}
.case-s1 .item:after {
  content: '';
  width: 100%;
  height: 100%;
  background-color: #000;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.6;
  transition: opacity .3s ease;
  z-index: 1;
}
.case-s1 .item .img-box {
  height: 100%;
  overflow: hidden;
}
.case-s1 .item .img-box img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-s1 .item .txt-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  opacity: 0.5;
  transition: opacity .3s ease;
}
.case-s1 .item .cell {
  position: relative;
  transition: padding .3s ease;
}
.case-s1 .item i {
  display: block;
  width: 50px;
  height: 50px;
  margin: 0 auto;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}
.case-s1 .item .tit {
  color: #fff;
  text-align: center;
  margin-top: 30px;
}
.case-s1 .item span {
  display: block;
  color: #fff;
  font-size:12px;
  text-transform: uppercase;
  text-align: center;
  margin-top: 00px;
}
.case-s1 .item a {
    display: block;
    width: 160px;
    line-height: 50px;
    text-align: center;
    bottom: -100px;
    border-radius: 50px;
    background-color: #fff;
    color: #585c60;
    font-family: 'MiSans-Light';
    margin: 0 auto;
    position: absolute;
    bottom: 0;
    left: 0;
    font-size: 16px;
    right: 0;
    opacity: 0;
    transition: all .3s ease;
}
@media (any-hover: hover) {
  .case-s1 .item a:hover {
    color: #fff;
    background-color: #0050b2;
  }
}
@media (any-hover: hover) {
  .case-s1 .item:hover:after {
    opacity: 0.2;
  }
  .case-s1 .item:hover .txt-box {
    opacity: 1;
  }
  .case-s1 .item:hover .cell {
    padding-bottom: 60px;
  }
  .case-s1 .item:hover a {
    opacity: 1;
	bottom: -150px;
  }
}

.case-s2 {
  padding: 7.5rem 0;
}
.case-s2 .items {
  margin-bottom: 3.125px;
  display: flex;
  flex-wrap: wrap;
}
.case-s2 .item {
  width: calc((100% - 3rem) / 3);
  margin: 1.5rem 1.5rem 0 0;
  position: relative;
  cursor: pointer;
}
.case-s2 .item:before {
  content: '';
  width: 100%;
  height: 40%;
  position: absolute;
  left: 0;
  bottom: 0;
  background-image: linear-gradient(180deg, transparent, #2d4260);
  z-index: 2;
  transition: opacity .3s ease;
}
.case-s2 .item .img-box {
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.case-s2 .item img {
  display: block;
  width: 100%;
  transition: transform .5s ease;
}
.case-s2 .item .show {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: 'MiSans-Light';
  padding: 0 1.5rem 1.5px;
  z-index: 3;
  transition: opacity .3s ease;
}
.case-s2 .item .txt-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 80, 178, 0.9);
  padding: 0 2.5px;
  z-index: 4;
  opacity: 0;
  transition: opacity .3s ease;
}
.case-s2 .item .txt-box span {
  display: block;
  text-align: center;
  color: #fff;
  font-family: 'MiSans-Medium';
}
.case-s2 .item .txt-box i {
  width: 2.125px;
  height: 2.125px;
  display: block;
  margin: 1.5rem auto 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  background-image: url("../images/case/icon-2.png");
}

@media screen and (min-width: 1440px) {
.case-s1 .item .tit {
    font-size: 24px;
}
}
@media screen and (min-width: 769px) {
  .case-s2 .item:nth-of-type(1), .case-s2 .item:nth-of-type(2), .case-s2 .item:nth-of-type(3) {
    margin-top: 0;
  }
  .case-s2 .item:nth-of-type(3n) {
    margin-right: 0;
  }
}
@media (any-hover: hover) {
  .case-s2 .item:hover img {
    transform: scale(1.1);
  }
  .case-s2 .item:hover:before, .case-s2 .item:hover .show {
    opacity: 0;
  }
  .case-s2 .item:hover .txt-box {
    opacity: 1;
  }
}


@media screen and (max-width: 769px) {
  .other-s1 {
    padding: 4rem 0;
  }

  .other-s1 .item {
    display: block;
    padding: 2rem 0;
  }

  .other-s1 .item i {
    display: block;
    width: 100%;
    padding: 0;
  }


  .case-s1 {
    display: block;
  }

  .case-s1 .item {
    height: 70vw;
    max-height: 300px;
  }

  .case-s1 .item .cell {
    padding-bottom: 5px;
  }

  .case-s2 {
    padding: 4rem 0;
  }

  .case-s2 .items {
    margin-bottom: 4px;
  }

  .case-s2 .item {
    width: 100%;
    margin: 2rem 0 0;
  }
  .case-s2 .item:nth-of-type(1) {
    margin-top: 0;
  }

  .case-s2 .item .txt-box {
    display: none;
  }
 }
@media only screen and (max-width:950px){
.case-s1 .item .cell {
    position: relative;
    transition: padding .3s ease;
    margin-top: -00px;
}
.case-s1 .item .tit {
    color: #fff;
	font-size:20px;
    text-align: center;
    margin-top: 10px;
}
.case-s1 .item {
    height: 70vw;
    max-height: 210px;
    width: 45%;
    margin: 10px;
    float: left;
}
.case-s1 .item .txt-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    opacity: 0.9;
    transition: opacity .3s ease;
}
}