html,
body,
.service_wrap{
    width: 100%;
}
.page_header .header_bg {
    /* background: url(../../img/case/top_bg.jpg) no-repeat; */
    background-size:100% 100%;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -2;
}
.page_header{
    height: 100vh;
}

 .page_header::before {
        content: '';
        display: block;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.2);
        position: absolute;
        left: 0;
        top: 0;
    }

    .page_header::after {
        content: '';
        display: block;
        width: 0%;
        height: 0%;
        position: absolute;
        left: 100%;
        transform: translate(-100%);
        bottom: 0;
        border-top-width: 100px;
        border-bottom-width: 100px;
        border-left-width: 128px;
        border-right-width: 128px;
        border-style: solid;
        border-color: transparent #e0e0e0 #e0e0e0 transparent;
    }
    .page_header .title {
        // padding-top:326px;
    }
    .case_bg_img {
        width: 100%;
    }
.page_header .timeline {
    border-top: 1px solid #fff;
    position: absolute;
    width: 100%;
    height: 120px;
    margin-top: 160px;
    z-index: 9;
}

.case_wrap * {
    padding: 0;
    margin: 0;
}
.owl-carousel .owl-dots.disabled{
    display: block !important;
}
.case_section{
    position: relative;
}
.case_box{
    width:64%;
    left: 18%;
    top:40px;
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 120px;
}
.case_title{
    max-width: 642px;
}
.case_text p{
    font-size: 20px;
    line-height: 48px;
    color: #333;
    margin:10px auto  40px;
}



@media (max-width: 768px){
    .page_header .header_bg{
        background-size: cover;
    }
    .case_section{
        background: url(../../img/case/case_bg.jpg) no-repeat;
        background-size: cover;
    }
    .case_box{
        position: static;
        width: 100%;
        padding: 20px 16px;
    }
    .case_title{
        width: 100%;
    }
    .case_text p{
        font-size: 14px;
        line-height: 28px;
        margin-bottom: 20px;
    }
    .case_bg{
        display: none;
    }
    .case_top:hover img:nth-child(2) {
        display: none !important;
    }

    .case_top:hover img:nth-child(1) {
        display: block !important;
    }

    .case_bottom:hover img:nth-child(2) {
        display: none !important;
    }

    .case_bottom:hover img:nth-child(1) {
        display: block !important;
    }
}

.case_box .swiper-pagination-white .swiper-pagination-bullet{
    height: 8px;
    width: 120px;
    border-radius: 2px;
    background: #e9e9e9;
    opacity:1;
}
.case_box .swiper-pagination-white .swiper-pagination-bullet-active{
    background: -webkit-linear-gradient(left, #e6141d , #ec6248);
}

.case_box .swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet{
    margin: 0;
}
.case_top{
    width: 100%;
    height: 50%;
    float: left;
    cursor: pointer;
    padding-bottom: 100px;
}
/* .case_top:hover{
    background: red;
} */
.case_top:hover img:nth-child(2){
    display: block;
}
.case_top:hover img:nth-child(1){
    display: none;
}

.case_bottom:hover img:nth-child(2){
    display: block;
}
.case_bottom:hover img:nth-child(1){
    display: none;
}
.case_top img{
    margin-top: 40px;
    float: left;
    background-size: cover;
    max-width: 100%;
}
.case_top img:nth-child(2){
    display: none;
}
.case_bottom{
    width: 100%;
    height: 50%;
    float: left;
    cursor: pointer;
    padding-bottom: 100px;
}
.case_bottom img{
    margin-top: 40px;
    float: left;
    background-size: cover;
    max-width: 100%;
}
.case_bottom img:nth-child(2){
    display: none;
}
.case_box .swiper-container{
    height: 460px;
}

@media (max-width: 1024px){
    .case_top img{
        float: initial !important;
        margin: 0 auto;
    }
    .case_bottom img{
        float: initial !important;
        margin: 0 auto;
    }
    .case_top{
        padding-bottom: 50px;
    }
    .case_bottom{
        padding-bottom: 50px;
    }
    .page_header .title {
        padding-top: 140px;
    }

}

@media (max-width: 768px){

    .case_top{
        padding-bottom: 30px;
    }
    .case_bottom{
        padding-bottom: 30px;
    }
}



/* 2019/02/18 750及以下移动端设备屏幕宽度Css适配 */
@media (max-device-width: 750px){

    .page_header .title{
        padding-top: 0px !important;
    }

    .case_text p{
        font-size: 16px !important;
        line-height: 28px !important;
        color: #888 !important;
        margin-bottom: 10px !important;
        text-indent: 30px !important;
    }

    .case_text p br{
        display: none !important;
    }

    .case_box .honor{
        margin-top: 60px !important;
    }

    .owl-dots{
        width: 90% !important;
    }

    .honor .owl-dots .owl-dot{
        border-radius: 0 !important;
        background-color: #dcdada !important;
    }

    .page_header .header_bg{
        margin-top: 100px;
    }

    .pictext strong{
        font-size: 18px;
        margin-left: -60px !important;
        color: #000;
    }
}