.containercs{
  /* 弹性布局 默认水平排列 */
  /* 溢出隐藏 */
  display: flex;
  height: 640px;
  overflow: hidden;
}
.item{
  /* 相对定位 */
  position: relative;
  width: 9.1vw;
  height: 100%;
  cursor: pointer;
  /* 保持原有尺寸比例，裁切长边 */
  background-size: 100% 100%;
  /* 定位背景图像为正中间 */
  background-position: center;
  /* 过渡效果：时长 贝塞尔曲线 */
  transition: 0.5s cubic-bezier(0.05,0.61,0.41,0.95);
  overflow: hidden;
}
.itemBg1{
  background-image: url("../img/case1.png");
}
.itemBg2{
  background-image: url("../img/case2.png");
}
.itemBg3{
  background-image: url("../img/case3.png");
}
.itemBg4{
  background-image: url("../img/case4.png");
}
.itemBg5{
  background-image: url("../img/case5.png");
}
.itemBdg1{
  background-image: url("../img/caseBg1.png");
}
.itemBdg2{
  background-image: url("../img/caseBg2.png");
}
.itemBdg3{
  background-image: url("../img/caseBg3.png");
}
.itemBdg4{
  background-image: url("../img/caseBg4.png");
}
.itemBdg5{
  background-image: url("../img/caseBg5.png");
}
.item .shadow{
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 252px;
  transition: 0.5s cubic-bezier(0.05,0.61,0.41,0.95);
}
.item .content{
  display: flex;
  position: absolute;
  left: 0px;
  height: 252px;
  width: 100%;
  padding: 27px 47px 56px 49px;
  transition: 0.5s cubic-bezier(0.05,0.61,0.41,0.95);
}
.item .content .icon{
  min-width: 40px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 16px;
}
.item:nth-child(1) .fa{
  color: #fc6e51;
}
.item:nth-child(2) .fa{
  color: #ffce54;
}
.item:nth-child(3) .fa{
  color: #2ecc71;
}
.item:nth-child(4) .fa{
  color: #5d9cec;
}
.item:nth-child(5) .fa{
  color: #ac92ec;
}
.item .content .text{
  position: relative;
  color: #fff;
  width: 100%;
}
.item .content .text div{
  /* 超出显示省略号（需要设置width） */
  width: 100% ;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.5s ease-out;
}
.item .content .text .tit{
  font-family: 思源黑体Bold;
  font-size: 32px;
}
.item .content .text .sub{
  /* 设置过渡效果延迟时间 */
  font-family: 思源黑体Medium;
  margin-top: 16px;
  font-size: 18px;
  transition-delay: 0.1s;
}
/* 选中态样式 */
.item.active{
  flex: 1;
  margin: 0;
}
.item.active .shadow{
  background: rgba(17, 48, 97, 0.2);
}
.item.active .content{

}
.item.active .content .text div{
  opacity: 1;
}
.item .caseTitle{
  display: flex;
  align-items: center;
  font-size: 32px;
  justify-content: center;
  font-family: 思源黑体Normal;
  margin-left: 10px;
  color: #333333;
  width: 32px;
  height: 100%;
  margin-left: calc(50% - 16px);
}
.item.active .caseTitle{
  display: none;
}
.caseBtu{
  position: absolute;
  bottom: 0px;
  background: #21ACDC;
  color: #ffffff;
  font-size: 16px;
  font-family: '思源黑体Medium';
  display: flex;
  padding: 8px 29px;
  justify-content: center;
  width: 136px!important;
  height: 32px;
  border-radius: 20px;
  align-items: center;
}


.case-img-fluid{
  width: 100%;
  height: 100%;
}


.case-some{
  text-decoration: none;
  font-size: 16px;
  color:#1AA2EC;
  cursor: pointer;
}

.mesg-banner{
  position: relative;
  width: 100%;
  height: 158px;
}



@media(min-width: 366px){
  .case-nav{
    width:100%;
    display: block;
    background: #F8FAFD;
    margin-top: 48px;
    cursor: pointer;
  }
  .case-nav:hover{
    box-shadow: 0px 0px 10px 1px #999999;
    background: #DEEDF8;
  }
  .case-nav:hover img{
    border-top-right-radius: 0px;
    border-bottom-right-radius: 0px;
  }
  .case-left{
    width: 100%;
    height: auto;
  }
  .case-right{
    width: 100%;
    height: auto;
    position: relative;

  }
  .case-right-cent{
    width: 100%;
    height: 100%;
    padding: 16px;
    position: relative;
    z-index: 1;
  }
  .case-title{
    font-size: 16px;
    line-height: 20px;
    color: #333333;
    font-family: 思源黑体Bold;
    font-weight: bold;
  }
  .case-info{
    margin-top: 14px;
    font-size: 14px;
    color: #4E555F;
    font-family: 思源黑体Regular;
    line-height: 26px;
    font-weight: 400;
    margin-bottom: 26px;
    overflow: hidden;
    word-break: break-all;
    white-space: normal;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }
  .case-num{
    width: 100%;
    height: 240px;
    position: absolute;
    line-height: 200px;
    right: 0px;
    bottom: 0px;
    display: flex;
    color: rgba(202, 218, 238, 0);
    font-family: 思源黑体Bold;
    font-weight: bold;
    justify-content: flex-end;
    align-items: flex-end;
    font-size: 180px;
    background: linear-gradient(to bottom, rgba(202, 218, 238, 0.48), rgba(202, 218, 238, 0.08));
    background-clip: text;
  }
  .mesg-banner img{
    height: 100%;
  }
  .mesg-banner-title{
    position: absolute;
    left: 90px;
    top: 44px;
  }
  .mesg-label{
    font-family: 思源黑体Bold;
    color: #ffffff;
    font-size: 24px;
    line-height: 32px;
  }
  .mesg-egn{
    color: #BFC3D3;
    font-family: 思源黑体Medium;
    font-size: 12px;
    line-height: 16px;
  }
}

@media(min-width: 990px){
  .case-nav{
    width:100%;
    display: flex;
    background: #F8FAFD;
    margin-top: 68px;
    cursor: pointer;
  }
  .case-nav:hover{
    box-shadow: 0px 0px 10px 1px #999999;
    background: #DEEDF8;
  }
  .case-nav:hover img{
    border-top-right-radius: 60px;
    border-bottom-right-radius: 60px;
  }
  .case-left{
    width: 600px;
    height: 366px;
  }
  .case-right{
    width: 360px;
    height: 366px;
    position: relative;

  }
  .case-right-cent{
    width: 100%;
    height: 100%;
    padding: 40px;
    position: relative;
    z-index: 1;
  }

  .case-title{
    font-size: 20px;
    line-height: 28px;
    color: #333333;
    font-family: 思源黑体Bold;
    font-weight: bold;
  }
  .case-info{
    margin-top: 24px;
    font-size: 16px;
    color: #4E555F;
    font-family: 思源黑体Regular;
    line-height: 30px;
    font-weight: 400;
    margin-bottom: 46px;
    overflow: hidden;
    word-break: break-all;
    white-space: normal;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }
  .case-num{
    width: 100%;
    height: 300px;
    position: absolute;
    right: 0px;
    bottom: 0px;
    display: flex;
    color: rgba(202, 218, 238, 0);
    font-family: 思源黑体Bold;
    font-weight: bold;
    justify-content: center;
    align-items: center;
    font-size:270px;
    background: linear-gradient(to bottom, rgba(202, 218, 238, 0.48), rgba(202, 218, 238, 0.08));
    background-clip: text;
  }
  .mesg-banner img{
    width: 100%;
    height: 100%;
  }
  .mesg-banner-title{
    position: absolute;
    left: 90px;
    top: 44px;
  }
  .mesg-label{
    font-family: 思源黑体Bold;
    color: #ffffff;
    font-size: 40px;
    line-height: 48px;
  }
  .mesg-egn{
    color: #BFC3D3;
    font-family: 思源黑体Medium;
    font-size: 20px;
    line-height: 30px;
  }
}

@media(min-width: 1600px){
  .case-nav{
    width:100%;
    display: flex;
    background: #F8FAFD;
    margin-top: 98px;
    cursor: pointer;
  }
  .case-nav:hover{
    box-shadow: 0px 0px 10px 1px #999999;
    background: #DEEDF8;
  }
  .case-nav:hover img{
    border-top-right-radius: 80px;
    border-bottom-right-radius: 80px;
  }
  .case-left{
    width: 740px;
    height: 416px;
  }
  .case-right{
    width: 460px;
    height: 416px;
    position: relative;

  }
  .case-right-cent{
    width: 100%;
    height: 100%;
    padding: 56px;
    position: relative;
    z-index: 1;
  }

  .case-title{
    font-size: 22px;
    line-height: 33px;
    color: #333333;
    font-family: 思源黑体Bold;
    font-weight: bold;
  }
  .case-info{
    margin-top: 24px;
    font-size: 16px;
    color: #4E555F;
    font-family: 思源黑体Regular;
    line-height: 30px;
    font-weight: 400;
    margin-bottom: 56px;
    overflow: hidden;
    word-break: break-all;
    white-space: normal;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }
  .case-num{
    width: 390px;
    height: 320px;
    position: absolute;
    right: 0px;
    bottom: 0px;
    display: flex;
    color: rgba(202, 218, 238, 0);
    font-family: 思源黑体Bold;
    font-weight: bold;
    justify-content: center;
    align-items: center;
    font-size:320px;
    background: linear-gradient(to bottom, rgba(202, 218, 238, 0.48), rgba(202, 218, 238, 0.08));
    background-clip: text;
  }
  .mesg-banner img{
    width: 100%;
    height: 100%;
  }
  .mesg-banner-title{
    position: absolute;
    left: 90px;
    top: 44px;
  }
  .mesg-label{
    font-family: 思源黑体Bold;
    color: #ffffff;
    font-size: 40px;
    line-height: 48px;
  }
  .mesg-egn{
    color: #BFC3D3;
    font-family: 思源黑体Medium;
    font-size: 20px;
    line-height: 30px;
  }
}