.page-title {
    width: 100%;
    height: 560px;
    background-image: url(../images/caseBgImg.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-title h3 {
    font-weight: bold;
    font-size: 60px;
    color: #FFFFFF;
}

.page-title p {
    font-size: 25px;
    color: #FFFFFF;
    margin-top: 40px;
}

.service {
    background-color: #f6f6f6;
    padding-bottom: 100px;
    /* display: none; */
}
.service h4 {
    padding-top: 60px;
    margin-bottom: 30px;
    font-weight: bold;
    font-size: 26px;
    color: #222222;
    text-align: center;
}
.service .slogan {
    color: #999999;
    margin: 0 auto;
    margin-bottom: 50px;
    text-align: center;
    width: 1300px;
    line-height: 29px;
}
.service .serviceList > ul {
    display: flex;
    margin-bottom: 32px;
}
.service .serviceList > ul li {
    position: relative;
}

.service .serviceList > ul li:nth-of-type(n + 2) {
    margin-left: 40px;
}
.service .serviceList > ul .img {
    width: 406px;
    height: 360px;
    cursor: pointer;
    overflow: hidden;
}
.service .serviceList > ul img {
    width: 406px;
    height: 360px;
    object-fit: cover;
    transition: .4s;
}
.service .serviceList > ul .img:hover img {
    transform: scale(1.2);
}
.service .serviceList > ul .context {
    width: 100%;
    box-sizing: border-box;
    padding: 22px;
    background-color: #fff;
    text-align: center;
}

.service .pagination {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}
.service .pagination > div {
    border: 1px solid #CCCCCC;
    box-sizing: border-box;
    color: #222;
    height: 38px;
    line-height: 36px;
    text-align: center;
    margin-right: 10px;
}
.service .pagination .item {
    width: 38px;
    cursor: pointer;
}
.service .pagination .item.active {
    background-color: #E21824;
    border-color: #E21824;
    color: #fff;
}

.service .prev ,
.service .next {
    width: 74px;
    cursor: pointer;
}
.service .disabled {
    color: #999999 !important;
    cursor: not-allowed;
}

.serviceDetail {
    background-color: #F6F6F6;
    padding-bottom: 40px;
    display: none;
}
.serviceDetail.show {
    display: block;
}
.serviceDetail .backList {
    padding: 40px 0;
}
.serviceDetail .backList .backbtn {
    background-color: #E21824;
    width: 150px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
}
.serviceDetail .backList .backbtn img {
    width: 9px;
    height: 16px;
    margin-right: 8px;
    vertical-align: -3px;
}
.serviceDetail .backList .backbtn span {
    font-size: 16px;
    color: #FFFFFF;
}

.serviceDetail .line {
    width: 100%;
    height: 1px;
    background-color: #ccc;
    margin-bottom: 60px;
}
.serviceDetail h4 {
    font-weight: bold;
    font-size: 30px;
    color: #222222;
    text-align: center;
    margin-bottom: 43px;
}
.serviceDetail .thumb {
    width: 1000px;
    height: 550px;
    position: relative;
    margin: 0 auto 60px;
    background-color: #fff;
}
.serviceDetail .thumb img {
    height: 100%;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}
#mask {
            width: 100vw;
            height: 100vh;
            background-color: rgba(0, 0, 0, .5);
            position: fixed;
            left: 0;
            top: 0;
            z-index: 6666;
            transition: .3s;
            display: none;
            opacity: 0;
        }
        #mask.show {
            display: block; 
        }
        .popup {
            background-color: #fff;
            padding-top: 24px;
            position: fixed;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 50vw;
            height: 70vh;
            z-index: 7777;
            opacity: 0;
            transition: .3s;
            display: none;
        }
        .popup.show {
            display: block;
        }
        .popup .close-btn {
            position: absolute;
            top: 0;
            right: 0;
            display: flex;
            justify-content: flex-end;
        }
        .popup .close-btn span {
            color: #ccc;
            font-size: 24px;
            padding: 0px 8px;
            cursor: pointer;
        }
        .popup .close-btn span:hover {
            color: #bbb;
        }
        .popup .popup-content {
            height: 100%;
            overflow: auto;
            padding: 0 24px 24px;
            box-sizing: border-box;
        }