.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("/templates/calmlog/img/case1.png");
}
.itemBg2{
    background-image: url("/templates/calmlog/img/case2.png");
}
.itemBg3{
    background-image: url("/templates/calmlog/img/case3.png");
}
.itemBg4{
    background-image: url("/templates/calmlog/img/case4.png");
}
.itemBg5{
    background-image: url("/templates/calmlog/img/case5.png");
}
.itemBdg1{
    background-image: url("/templates/calmlog/img/caseBg1.png");
}
.itemBdg2{
    background-image: url("/templates/calmlog/img/caseBg2.png");
}
.itemBdg3{
    background-image: url("/templates/calmlog/img/caseBg3.png");
}
.itemBdg4{
    background-image: url("/templates/calmlog/img/caseBg4.png");
}
.itemBdg5{
    background-image: url("/templates/calmlog/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;
    }
}
<!--0.00020098686218262-->