body {
    font-family: "微软雅黑" !important;
}
.container {
    width: 67.4%;
}
.case-banner {
    background: url("https://ec3s.oss-cn-beijing.aliyuncs.com/images/case/banner.jpg");
    width: 100%;
    height: 33.85vw;
    position: relative;
    background-size: cover;
}
.custom-container {
    padding-top: 5.1vw;
    padding-bottom: 5.1vw;
}
.custom-sub-title {
    font-size: 1.04vw;
    text-align: center;
    margin-top: 1vw;
    line-height: 2vw;
    margin-bottom: 3.95vw;
    font-weight: 400;
}
.custom-container .can-service-des {
    font-weight: 400;
    position: relative;
}
.custom-container .can-service-des:before {
    content: '';
    position: absolute;
    top: -12%;
    left: 15%;
    width: 70%;
    height: 2px;
    background-color: #e1e1e1;
}

.about-title.not-after:after {
    content: '';
    background-color: transparent;
}
.custom-container .service-item, .custom-container .service-item .service-img {
    width: 20.26vw;
}
.custom-container .service-item {
    border: 1px solid #e1e1e1;
}
.case-container {
    padding-top: 3.95vw;
    padding-bottom: 3.95vw;
}
.case-content {
    margin-top: 5.2vw;
}
.case-content .nav-tabs {
    border-bottom: none;
}
.case-content .nav-tabs .active {
    background-color: #0a51a1;
}
.case-content .nav-tabs .active a,.case-content .nav-tabs .active a:focus,.case-content .nav-tabs .active a:hover,.case-content .nav-tabs .active a:active {
    border: none;
    color: #fff;
    background-color: #0a51a1;
}
.case-content .nav-tabs li {
    background: #d2d2d2;
    margin-right: 0.5vw;
    font-size: 0.9vw;
    color: #000;
    width: 5.2vw;
    text-align: center;
    height: 2.2vw;
}

.case-content .nav-tabs li a, .case-content .nav-tabs  a:focus,.case-content .nav-tabs a:hover,.case-content .nav-tabs a:active{
    padding: 0;
    line-height: 2.2vw;
    color: #000;
    background: #d2d2d2;
    border: none;
}
.case-tab-panel {
    margin-top: 3.9vw;
}

.case-content-item {
    display: flex;
    flex-wrap: wrap;
}
.case-item-image img {
    width: 14.58vw;
    border: 1px solid #e1e1e1;
}
.case-item-image:not(:last-child) {
    margin-right: 1.04vw;
}
.case-content-item.second-line {
    margin-top: 1.04vw;
}
.case-item-text {
    text-align: center;
    font-size: 1.04vw;
    margin: 0.6vw 0;
}
.custom-container .can-service-title {
    margin-top: 1vw;
}
.banner-title {
    font-weight: 400;
    text-shadow: 1px 1px #000;
    position: relative;
}
.banner-title:after {
    content: '';
    position: absolute;
    bottom: -5%;
    left: 48.5%;
    width: 3.59vw;
    height: 3px;
    background-color: #fff !important;
}
@media screen and (min-width:1921px) {
    .case-banner {
        height: 650px;
        position: relative;
        background-position: center;
    }
    .banner-title:after {
        width: 69px;
    }
    .custom-container {
        padding-top: 100px;
        padding-bottom: 100px;
    }
    .custom-sub-title {
        font-size: 24px;
        text-align: center;
        margin-top: 19px;
        line-height: 40px;
        margin-bottom: 75px;
    }
    .custom-container .service-item, .custom-container .service-item .service-img {
        width: 389px;
    }
    .case-container {
        padding-top: 75px;
        padding-bottom: 75px;
    }
    .case-content {
        margin-top: 100px;
    }
    .case-content .nav-tabs li {
        background: #d2d2d2;
        margin-right: 10px;
        font-size: 18px;
        color: #000;
        width: 100px;
        text-align: center;
        height: 42px;
    }
    .case-content .nav-tabs li a,.case-content .nav-tabs  a:focus,.case-content .nav-tabs a:hover,.case-content .nav-tabs a:active {
        padding: 0;
        line-height: 42px;
        color: #000;
    }
    .case-item-image img {
        width: 280px;
    }
    .case-item-image:not(:last-child) {
        margin-right: 20px;
    }
    .case-content-item.second-line {
        margin-top: 20px;
    }

}
@media screen and (min-width:751px) and (max-width:1200px) {
    .case-content .nav-tabs li {
        width: 7.2vw;
    }
}
@media screen and (max-width:750px) {
    .custom-sub-title {
        font-size: 12px !important;
        line-height: 22px;
    }
    .custom-container {
        padding: 10% 0;
    }
    .custom-container .container {
        width: 95%;
    }
    .custom-container .service-item, .custom-container .service-item .service-img {
        width: 100%;
    }
    .case-container .container {
        width: 95%;
    }
    .case-content-item {
        justify-content: space-between;
    }
    .case-item-image {
        width: 45%;
    }
    .case-item-image img {
        width: 100%;
    }
    .case-content .nav-tabs li {
        background: #d2d2d2;
        margin: 1vw;
        font-size: 12px;
        color: #000;
        text-align: center;
        padding: 4%;
        width: auto;
        height: auto;
    }
    .case-item-text {
        font-size: 12px;
    }
}