/* html::-webkit-scrollbar,
body::-webkit-scrollbar {
    width: 0px !important;
    height: 0px;
}
html,body { -ms-overflow-style: none; }
html,body { overflow: -moz-scrollbars-none; }
body{
    font-family: 方正兰亭黑;
} */
/*  共有---页面首屏 */
.section-index .se-word-box{
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 10%;
}
.section-index .se-word-box .title-en{
    font-size: 40px;
    line-height: 1;
}
.section-index .se-word-box .title-zh{
    font-size: 36px;
    font-family: 方正兰亭中黑;
    line-height: 1;
    margin-top: 0.5em;
}

/* 自动驾驶物流车 */
body.undtruck{
    /* background: url("../../imgo/autodriving/undtruck.jpg") no-repeat center top;
    background-size: 100% auto; */
}
/* 自动驾驶物流车 --- 页面首屏 */
.undtruck .section-index{
    /* height: 950px; */
    color: #000000;
}
/* 自动驾驶物流车 --- 技术概念 */
.undtruck .section-tec .se-con{
    padding-top: 70px;
    padding-bottom: 70px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.undtruck .section-tec .se-content{
    display: flex;
    align-items: center;
    margin-top: 2.8%;
}
.undtruck .section-tec .sec-img{
    width: 50%;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 10px;
    /* margin-right: 3.7%; */
}
.undtruck .section-tec .sec-word{
    padding-right: 40px;
}
.undtruck .section-tec .sec-word .sec-word-line{
    width: 65px;
    height: 2px;
    background: #91a5c5;
    opacity: 0.46;
}
.info_introd{
    font-weight: 300;
    color: #373737;
    font-size: 16px;
}
.info_tit{
    color: #37474F;
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 20px;
}
.undtruck .section-tec .se-intr{
    font-size: 18px;
    font-family: 方正兰亭黑;
    margin-top: 7%;
    line-height: 2;
    text-align: justify;
}
.undtruck .section-tec .se-list{
    display: flex;
    width: 96%;
    margin: 0px auto;
    justify-content: space-between;
    margin-top: 14.4%;
}
.undtruck .section-tec .se-list .sel-item{
    font-size: 18px;
    font-family: 方正兰亭中黑;
    color: #91a5c5;
    text-align: center;
}
.undtruck .section-tec .se-list .sel-item-icon{
    width: 100%;
    margin-bottom: .3em;
}
.undtruck .section-tec .se-list svg{
    height: 1.8em;
}
/* 自动驾驶物流车 --- 核心优势 */
.undtruck .section-adv{
    position: relative;
    /* color: #fff; */
    overflow: hidden;
    background: linear-gradient(to top, #fff, rgba(174, 190, 212, 0.66));
}
.undtruck .section-adv .se-con{
    padding-top: 0px;
    padding-bottom: 0px;
    height: 100%;
}
.undtruck .section-adv.qu-se .se-title{
    position: absolute;
    left: 50%;
    top: 63px;
    transform: translateX(-50%);
    color: #000;
    /* color: red */
    z-index: 1;
}
.undtruck .section-adv .se-content{
    position: relative;
    display: flex;
    height: 100vh;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-end;
    overflow: hidden;
}
/* .undtruck .section-adv .se-content .aas{
    content: '';
    position: relative;
    width: 100%;
    display: block;
    flex: 1;
    height: 200px;
} */
.undtruck .section-adv .sesvg{
    position: relative;
    width: 100%;
    overflow: hidden;
    flex-shrink: 0;
}
.undtruck .section-adv .sesvg .sesvgcod{
    position: relative;
    width: 1920px;
    left: 50%;
    transform: translateX(-50%);
    margin: 0px auto;
    display: block;
}
.undtruck .section-adv .sesvg .sesvgcod .svgpoint circle{
    fill: #c0d0e6;
}
.undtruck .section-adv .sesvg .sesvgcod .svgpoint circle:nth-child(3){
    fill: #94a8c8;
}
.undtruck .section-adv .sesvg .sesvgcod .svgpoint circle:nth-child(1){
    opacity: 0.46;
    animation: shuibowen 1.5s linear infinite;
}
.undtruck .section-adv .sesvg .sesvgcod .svgpoint circle:nth-child(2){
    animation: shuibowen 1.5s linear infinite;
    animation-delay: 0.5s;
}
.undtruck .section-adv .sesvg .sesvgcod .svg-fobj-word{
    font-size: 12px;
    fill:#4d4d4d;
    font-family:方正兰亭黑;
    line-height: 1.5;
    color: #4d4d4d;
    text-align: justify;
}
.undtruck .section-adv .sesvg .sesvgcod .svg-fobj-title{
    font-size:18px;
    fill:#627da7;
    font-family:方正兰亭中黑;
    color:#627da7;
    line-height: 1.5;
}
@keyframes shuibowen {
    0% {
        r: 4;
        opacity: 1;
    }
    100% {
        r: 12.8;
        opacity: 0;
    }
}
/* 自动驾驶物流车 --- 案例展示 */
.undtruck .section-case .se-con{
    padding-bottom: 178px;
    padding-top: 120px;
}
.undtruck .section-case .se-content{
    /* margin-left: calc((100% - 1430px) / 2); */
    width: 1280px;
    margin: 0 auto;
    box-shadow: 0px 6px 42px 0px rgba(0,0,0,0.1);
}
.undtruck .section-case .swiper-boxitem{
    position: relative;
    display: flex;
    padding: 50px;
    /* direction: rtl; */
}
.undtruck .section-case .swiper-boxitem + .swiper-boxitem{
    margin-top: 80px;
}
.undtruck .section-case .boxitem-left{
    position: relative;
    width: 520px;
    margin-right: 55px;
    flex-shrink: 0;
    font-family: 方正兰亭黑;
    display: flex;
    flex-direction: column;
    direction: ltr;
}
.undtruck .section-case .boxitem-left .bil-title{
    font-size: 21px;
    color: #627da7 ;
    position: relative;
    padding-bottom: 0em;
    line-height: 3.1;
    flex-shrink: 0;
}
.undtruck .section-case .boxitem-left .bil-title::before,
.undtruck .section-case .boxitem-left .bil-title::after{
    content: '';
    position: absolute;
    bottom: 0px;
    left: 0px;
    width: 100%;
    height: 2px;
    background: #e4e4e4;
}
.undtruck .section-case .boxitem-left .bil-title::after{
    width: 0px;
    background: #627da7;
    transition: width 1s;
}
.undtruck .section-case .swiper-boxitem:hover .boxitem-left .bil-title::after{
    width: 100%;
}
.undtruck .section-case .boxitem-left .bil-word{
    font-size: 14px;
    color: #000000;
    margin-top: 12%;
    line-height: 2;
    text-align: justify;
    flex: 1;
}
.undtruck .section-case .boxitem-left .bil-word p{
    margin: 0px;
}
.undtruck .section-case .boxitem-left .bil-word p + p{
    margin-top: 3.7%;
}
.undtruck .section-case .boxitem-left .bil-wordlist{
    font-size: 14px;
    font-family: 方正兰亭黑;
    color: #979797;
    margin-top: 2%;
    flex-shrink: 0;
    white-space: pre-wrap;
    padding-bottom: 12.5%;
}
.undtruck .section-case .swiper-box{
    flex: 1;
    overflow: hidden;
    direction: ltr;
}
.undtruck .section-case .swiper-navigation{
    position: absolute;
    left: 1430px;
    top: 9px;
    transform: translateX(-100%);
}
/* .undtruck .section-case .swiper-slide{
    width: 853px;
    margin-right: 35px;
} */
.undtruck .section-case.right-se .swiper-slide:nth-child(1){
    margin-left: 0;
}

.light_wra{
    width:1280px; 
    margin:0 auto; 
    padding: 0px 0px 0px;
}

@media screen and (min-width: 1921px){
    /*  共有---页面首屏 */
    .section-index .se-word-box .title-en{
        font-size: 2.1vw;
    }
    .section-index .se-word-box .title-zh{
        font-size: 1.9vw;
    }

    /* 自动驾驶物流车 */
    /* 自动驾驶物流车 --- 页面首屏 */
    /* 自动驾驶物流车 --- 技术概念 */
    .undtruck .section-tec .se-con{
        padding-top: 3.6vw;
        padding-bottom: 3.6vw;
    }
    .undtruck .section-tec .sec-img{
        border-top-right-radius: 5.1vw;
    }
    .undtruck .section-tec .sec-word .sec-word-line{
        width: 3.4vw;
        height: 0.1vw;
    }
    .undtruck .section-tec .se-intr{
        font-size: 0.9vw;
    }
    .undtruck .section-tec .se-list .sel-item{
        font-size: 0.9vw;
    }
    /* 自动驾驶物流车 --- 核心优势 */
    .undtruck .section-adv .se-con{
        padding-top: 0vw;
        padding-bottom: 0vw;
    }
    .undtruck .section-adv.qu-se .se-title{
        top: 3.3vw;
    }
    .undtruck .section-adv .sesvg .sesvgcod{
        width: 100vw;
    }
    /* 自动驾驶物流车 --- 案例展示 */
    .undtruck .section-case .se-con{
        padding-bottom: 9.3vw;
        padding-top: 6.3vw;
    }
    .undtruck .section-case .se-content{
        margin-left: calc((100% - 74.5vw) / 2);
    }
    .undtruck .section-case .swiper-boxitem{
        padding-top: 4.7vw;
    }
    .undtruck .section-case .swiper-boxitem + .swiper-boxitem{
        margin-top: 4.2vw;
    }
    .undtruck .section-case .boxitem-left{
        width: 27.1vw;
        margin-right: 2.9vw;
    }
    .undtruck .section-case .boxitem-left .bil-title{
        font-size: 1.1vw;
    }
    .undtruck .section-case .boxitem-left .bil-title::before,
    .undtruck .section-case .boxitem-left .bil-title::after{
        height: 0.1vw;
    }
    .undtruck .section-case .boxitem-left .bil-word{
        font-size: 0.7vw;
    }
    .undtruck .section-case .boxitem-left .bil-wordlist{
        font-size: 0.7vw;
    }
    .undtruck .section-case .swiper-navigation{
        left: 74.5vw;
        top: 0.5vw;
    }
    .undtruck .section-case .swiper-slide{
        width: 44.4vw;
        margin-right: 1.8vw;
    }
}

@media screen and (max-width: 1640px){
    /*  共有---页面首屏 */
    .section-index .se-word-box .title-en{
        font-size: 34px;
    }
    .section-index .se-word-box .title-zh{
        font-size: 30.8px;
    }

    /* 自动驾驶物流车 */
    /* 自动驾驶物流车 --- 页面首屏 */
    /* 自动驾驶物流车 --- 技术概念 */
    .undtruck .section-tec .se-con{
        padding-top: 60px;
        padding-bottom: 60px;
    }
    .undtruck .section-tec .sec-img{
        border-top-right-radius: 83px;
    }
    .undtruck .section-tec .sec-word .sec-word-line{
        width: 56px;
    }
    .undtruck .section-tec .se-intr{
        font-size: 15.4px;
    }
    .undtruck .section-tec .se-list .sel-item{
        font-size: 15.4px;
    }
    /* 自动驾驶物流车 --- 核心优势 */
    .undtruck .section-adv .se-con{
        padding-top: 0px;
        padding-bottom: 0px;
    }
    .undtruck .section-adv.qu-se .se-title{
        top: 54px;
    }
    .undtruck .section-adv .sesvg .sesvgcod{
        width: 1640px;
    }
    /* 自动驾驶物流车 --- 案例展示 */
    .undtruck .section-case .se-con{
        padding-bottom: 152px;
        padding-top: 103px;
    }
    .undtruck .section-case .se-content{
        width: 1220px;
        margin-left: calc((100% - 1220px) / 2);
    }
    .undtruck .section-case .swiper-boxitem{
        padding-top: 77px;
    }
    .undtruck .section-case .swiper-boxitem + .swiper-boxitem{
        margin-top: 68px;
    }
    .undtruck .section-case .boxitem-left{
        width: 444px;
        margin-right: 47px;
    }
    .undtruck .section-case .boxitem-left .bil-title{
        font-size: 18px;
    }
    .undtruck .section-case .boxitem-left .bil-word{
        font-size: 12px;
    }
    .undtruck .section-case .boxitem-left .bil-wordlist{
        font-size: 12px;
    }
    .undtruck .section-case .swiper-navigation{
        left: 1220px;
        top: 8px;
    }
    .undtruck .section-case .swiper-slide{
        width: auto;
        margin-right: 30px;
    }
}

@media screen and (max-width: 1390px){
    /*  共有---页面首屏 */
    .section-index .se-word-box .title-en{
        font-size: 29px;
    }
    .section-index .se-word-box .title-zh{
        font-size: 26px;
    }
    /* 自动驾驶物流车 */
    /* 自动驾驶物流车 --- 页面首屏 */
    /* 自动驾驶物流车 --- 技术概念 */
    .undtruck .section-tec .se-con{
        padding-top: 50px;
        padding-bottom: 50px;
    }
    .undtruck .section-tec .sec-img{
        border-top-right-radius: 70px;
    }
    .undtruck .section-tec .sec-word .sec-word-line{
        width: 47px;
    }
    .undtruck .section-tec .se-intr{
        font-size: 13px;
    }
    .undtruck .section-tec .se-list .sel-item{
        font-size: 13px;
    }
    /* 自动驾驶物流车 --- 核心优势 */
    .undtruck .section-adv .se-con{
        padding-top: 0px;
        padding-bottom: 0px;
    }
    .undtruck .section-adv.qu-se .se-title{
        top: 46px;
    }
    .undtruck .section-adv .sesvg .sesvgcod{
        width: 1390px;
    }
    /* 自动驾驶物流车 --- 案例展示 */
    .undtruck .section-case .se-con{
        padding-bottom: 129px;
        padding-top: 87px;
    }
    .undtruck .section-case .se-content{
        width: 1034px;
        margin-left: calc((100% - 1034px) / 2);
    }
    .undtruck .section-case .swiper-boxitem{
        padding-top: 65px;
    }
    .undtruck .section-case .swiper-boxitem + .swiper-boxitem{
        margin-top: 58px;
    }
    .undtruck .section-case .boxitem-left{
        width: 377px;
        margin-right: 40px;
    }
    .undtruck .section-case .boxitem-left .bil-title{
        font-size: 15px;
    }
    .undtruck .section-case .swiper-navigation{
        left: 1034px;
        top: 7px;
    }
    .undtruck .section-case .swiper-slide{
        width: auto;
        margin-right: 25px;
    }
}

@media screen and (max-width: 1200px){
    /*  共有---页面首屏 */
    .section-index .se-word-box .title-en{
        font-size: 25px;
    }
    .section-index .se-word-box .title-zh{
        font-size: 22.5px;
    }
    /* 自动驾驶物流车 */
    /* 自动驾驶物流车 --- 页面首屏 */
    /* 自动驾驶物流车 --- 技术概念 */
    .undtruck .section-tec .sec-img{
        border-top-right-radius: 60px;
    }
    .undtruck .section-tec .sec-word .sec-word-line{
        width: 40px;
        height: 1px;
    }
    .undtruck .section-tec .se-intr{
        font-size: 12px;
    }
    .undtruck .section-tec .se-list .sel-item{
        font-size: 12px;
    }
    /* 自动驾驶物流车 --- 核心优势 */
    .undtruck .section-adv .se-con{
        padding-top: 0px;
        padding-bottom: 0px;
    }
    .undtruck .section-adv.qu-se .se-title{
        top: 40px;
    }
    .undtruck .section-adv .sesvg .sesvgcod{
        width: 1200px;
    }
    /* 自动驾驶物流车 --- 案例展示 */
    .undtruck .section-case .se-content{
        width: 895px;
        margin-left: calc((100% - 895px) / 2);
    }
    .undtruck .section-case .boxitem-left{
        width: 325px;
        margin-right: 34.375px;
    }
    .undtruck .section-case .boxitem-left .bil-title{
        font-size: 13.125px;
    }
    .undtruck .section-case .boxitem-left .bil-title::before,
    .undtruck .section-case .boxitem-left .bil-title::after{
        height: 1px;
    }
    .undtruck .section-case .swiper-navigation{
        left: 895px;
    }
    .undtruck .section-case .swiper-slide{
        width: auto;
        margin-right: 22px;
    }
}
@media screen and (max-width: 1024px){
    /*  共有---页面首屏 */
    /* 自动驾驶物流车 */
    /* 自动驾驶物流车 --- 页面首屏 */
    /* 自动驾驶物流车 --- 技术概念 */
    /* 自动驾驶物流车 --- 核心优势 */
    .undtruck .section-adv .sesvg .sesvgcod{
        width: 130%;
    }
    /* 自动驾驶物流车 --- 案例展示 */
    .undtruck .section-case .se-content{
        margin-left: 2.5%;
    }
    .undtruck .section-case .swiper-navigation{
        left: 95%
    }
    .undtruck .section-case .boxitem-left{
        width: 27%;
    }
    .undtruck .section-case .swiper-slide{
        width: auto;
    }
}

@media screen and (max-width: 768px){
    .light_wra{
        width:895px;
    }
    .undtruck .section-case .swiper-boxitem{
        padding: 10px;
    }
    .undtruck .section-case .se-content{
        width: 100%;
    }
    /*  共有---页面首屏 */
    .section-index .se-word-box{
        /* bottom: unset; */
        bottom: 70%;
        text-align: center;
    }
    .section-index .se-img-box{
        background: #b5cfe6;
    }
    .section-index .se-img-box .seimg img{
        object-position: center bottom;
        object-fit: 100% auto;
    }
    .section-index .se-word-box .title-en{
        font-size: 3.3vw;
        line-height: 1;
        margin-top: .18em;
    }
    .section-index .se-word-box .title-zh{
        font-size: 5.6vw;
        line-height: 1.18;
    }
    /* 自动驾驶物流车 */
    body.undtruck{
        /* background: url("../../imgo/autodriving/undtruck-m.jpg") no-repeat center top;
        background-size: 100% auto; */
    }
    /* 自动驾驶物流车 --- 页面首屏 */
    /* .undtruck .section-index .se-img-box .seimg{
        opacity: 0;
    } */
    .undtruck .section-index .se-word-box{
        color: #fff;
    }
    .undtruck .section-index .se-word-box .title-en br{
        display: none;
    }
    /* 自动驾驶物流车 --- 技术概念 */
    .undtruck .section-tec .se-con{
        height: unset;
        padding: 10vw 0px 12vw;
    }
    .undtruck .section-tec .se-content{
        display: block;
        margin-top: 6.6vw;
    }
    .undtruck .section-tec .sec-img{
        width: 100%;
        border-top-right-radius: 12vw;
        margin-right: 0px;
    }
    .undtruck .section-tec .se-intr{
        font-size: 2.8vw;
        margin-top: 8.1%;
        line-height: 2;
    }
    .undtruck .section-tec .se-list{
        display: flex;
        width: 100%;
        justify-content: space-between;
        margin-top: 9%;
    }
    .undtruck .section-tec .se-list .sel-item{
        font-size: 2.8vw;
        width: unset;
    }
    .undtruck .section-tec .se-list .sel-item-icon{
        margin-bottom: .5em;
    }
    .undtruck .section-tec .se-list svg{
        height: 5vw;
    }
    /* 自动驾驶物流车 --- 核心优势 */
    .undtruck .section-adv{
    }
    .undtruck .section-adv .se-con{
        padding: 0px;
        /* padding-bottom: 15vw; *//* ----------- */
    }
    .undtruck .section-adv.qu-se .se-title{
        top: 10vw;
    }
    .undtruck .section-adv .se-content{
        height: unset;
        /* min-height: 100vh; */
    }
    .undtruck .section-adv .sesvg{
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
    }
    .undtruck .section-adv .sesvg .sesvgcod{
        display: block;
        width: 170%;
        height: auto;
        transform: translateX(-54.5%);
    }
    .undtruck .section-adv .sesvg .sesvgwz{
        transform: scale(1.3) translate(-12%, -8%);
    }
    .undtruck .section-adv .sesvg .svg-item{
        display: none;
    }
    .undtruck .section-adv .svgword-box{
        flex-shrink: 1;
        margin-top: 27.2vw;
    }
    .undtruck .section-adv .svgword-box .svgword-item{
        position: relative;
        padding-bottom: 3.1vw;
    }
    .undtruck .section-adv .svgword-box .svgword-item + .svgword-item{
        margin-top: 6.3vw;
    }
    .undtruck .section-adv .svgword-box .svgword-item::before{
        content: '';
        position: absolute;
        bottom: 0px;
        width: 1.1vw;
        height: 1.1vw;
        border-radius: 50%;
        border: 0.1vw solid #91a5c5;
    }
    .undtruck .section-adv .svgword-box .svgword-item::after{
        content: '';
        position: absolute;
        bottom: 0.6vw;
        left: 1.2vw;
        width: calc(100% - 1.1vw);
        height: 1.1vw;
        background: #91a5c5;
        height: 0.1vw;
    }
    .undtruck .section-adv .svgword-box .svg-fobj-title{
        font-size: 2.8vw;
        color: #627da7;
        font-family: 方正兰亭中黑;
    }
    .undtruck .section-adv .svgword-box .svg-fobj-word{
        font-size: 2vw;
        margin-top: 0.8vw;
    }
    /* 自动驾驶物流车 --- 案例展示 */
    .undtruck .section-case .se-con{
        padding-top: 10vw;
        padding-bottom: 7vw;
    }
    .undtruck .section-case .se-content{
        margin-top: 5.1%;
        margin-left: 0px;
    }
    .undtruck .section-case .swiper-boxitem{
        padding-top: 0;
        display: block;
    }
    .undtruck .section-case .swiper-boxitem + .swiper-boxitem{
        margin-top: 10vw;
    }
    .undtruck .section-case .swiper-box{
        margin-left: 2.5%;
    }
    .undtruck .section-case .swiper-slide{
        width: auto;
    }
    .undtruck .section-case .boxitem-left{
        display: block;
        margin-top: 7%;
        width: 95%;
        margin: 7% auto 0px;
    }
    .undtruck .section-case .boxitem-left .bil-title{
        font-size: 3.3vw;
        text-align: center;
        line-height: 2.8;
    }
    .undtruck .section-case .boxitem-left .bil-title::after{
        width: 43%;
        left: 50%;
        transform: translateX(-50%);
    }
    .undtruck .section-case .boxitem-left .bil-word{
        font-size: 2.2vw;
        margin-top: 4.5%;
    }
    .undtruck .section-case .boxitem-left .bil-word p + p{
        margin-top: 3%;
    }
    .undtruck .section-case .boxitem-left .bil-wordlist{
        font-size: 2.8vw;
        margin-top: 5.8%;
        padding-bottom: 0%;
        text-align: center;
    }
    .undtruck .section-case .swiper-navigation{
        display: none;
    }
    .undtruck .section-case.right-se .swiper-slide:nth-child(1){
        margin-left: 0;
    }
    .undtruck .section-case .caset .boxitem-left .bil-wordlist{
        text-align: center;
    }
}