html {
    font-size: 14px;
}

body {
    margin: 0px 0px 0px 0px;
    font-family: 微软雅黑, Arial, Helvetica, sans-serif;
}
a:link {
    color: #000000;
    text-decoration: none;
}

a:visited {
    text-decoration: none;
    color: #000000;
}

a:hover {
    text-decoration: none;
    color: #FF0000;
}

a:active {
    text-decoration: none;
}
.row > * {
    padding-right:15px;
    /*padding-left:15px;*/
    /*margin-top:15px;*/
    padding-right: calc(var(--bs-gutter-x) * .5);
    padding-left: calc(var(--bs-gutter-x) * .5);
    margin-top: var(--bs-gutter-y);
}


.nav-top a {
    color: #000000;
    font-size: 16px;
}

    .nav-top a:focus, .nav-top a:hover {
        color: #d53f2f;
    }

.nav-top .active {
    color: #d53f2f !important;
}

.line92 {
    line-height: 4.5714rem;
    line-height: 1rem;
}

._proandadvan {
    background-image: url(/imgs/_bgByTop2.png);
    margin: -2px;
    background-size: 100% 100%;
    -moz-background-size: 100% 100%;
}

._susImg {
    margin-top: -4.2857rem;
    z-index: 99999;
    z-index: auto
    /*width: 70%;*/
}

._tiBox {
    margin-top: 10px;
    margin-bottom: 10px;
}

.white {
    color: #ffffff !important;
}

._black {
    color: #000000 !important;
}

.bgBlack {
    background-color: #000000;
}

._padingTB10 {
    padding-top: .8rem;
    padding-bottom: .8rem;
}

/*.row-cols-5 > * {
    flex: 0 0 auto;
    width: 19%;
}*/

._caseBtn {
    background-color: #f0f0f0;
    cursor: pointer;
    border: 1px solid transparent;
    padding: .3rem .75rem;
    font-size: .6rem;
    border-radius: .25rem;
}

    ._caseBoxTi .active, ._caseBtn:hover {
        background-color: #52b8e8;
        color: #ffffff;
    }

._hide {
    display: none;
}

._bgImg_bb {
    background-image: url(/imgs/_bottom_bottom.jpg);
    background-size: 100% 100%;
    -moz-background-size: 100% 100%;
}

._bgImg_bt {
    background-image: url(/imgs/_bottom_top.jpg);
    background-size: 100% 100%;
    -moz-background-size: 100% 100%;
}

._block {
    display: block;
}

.blockBox {
    display: inline-block;
    font-size: 16px;
}

.pd4-4 {
    padding-top: 4px;
    padding-bottom: 4px;
}

._aNoline {
    text-decoration: none;
    cursor: pointer;
}

._w70 {
    width: 100%;
}

._pd_t3 {
    padding-top: 3rem;
}

._contactBox > * {
    margin-right: .5rem;
}

._pd_b2 {
    padding-bottom: 2rem;
}

._pd_b1 {
    padding-bottom: 1rem;
}

._listhead {
    padding-left: 1rem;
    background: url(/imgs/_listhead.png) no-repeat center left;
}

._position {
    /*padding-left: 1rem;
    background: url(/imgs/_position.png) no-repeat center left;*/
    line-height: 1rem;
    font-size: 18px;
}

._posispan {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    background: url(/imgs/_position.png) no-repeat center center;
    background-size: auto 100%;
    margin-right: .3rem;
}

._bgf5 {
    background-color: #f5f5f5;
}

._toright {
    float: right;
    display: inline-block;
    width: 1.5714rem;
    height: 1.5714rem;
    background: url(/imgs/_toRight.png) no-repeat center left;
    margin-top:3px;
}

._navBox .col-1 {
    padding-bottom: .8rem;
    font-size: 22px;
}

._navBox .col-c {
    margin-left: 120px;
    margin-right: 120px;
}

._navBox .active {
    background: url(/imgs/_unline.png) no-repeat bottom;
    background-position: bottom;
}

._mt1 {
    margin-top: 1.5rem;
}

._des_info {
    padding-left: 5px;
    padding-right: 5px;
    background-color: #ffffff;
    font-size: .8rem;
}

._description_img {
    position: absolute;
    top: 0;
    cursor: pointer;
}

._description {
    /*display:none;*/
    /*position: absolute;
    top: 0;*/
    bottom: -100%;
    overflow: hidden;
    width: 100%;
    height: 100%;
    background: url(/imgs/_case-more.png)no-repeat center 0px rgba(0, 0, 0,0.6);
    position: absolute;
    left: 0;
    transition: all 0.3s;
}

._caseCard ._description {
    /*display:none;*/
    /*position: absolute;
    top: 0;*/
    bottom: -100%;
    overflow: hidden;
    width: 100%;
    height: 100%;
    background: url(/imgs/imgs/eye.png.png)no-repeat center 0px rgba(0, 0, 0,0.6);
    position: absolute;
    left: 0;
    transition: all 0.3s;
}

._des_info {
    position: absolute;
    bottom: 0;
    /*font-size: 0.8rem;*/
    background: #f5f5f5;
}

._des_info_f {
    background: #ffffff;
}

._des_info h3 {
    padding-bottom: 5px;
    /*padding-left:15px;*/
    margin-top: 5px;
    padding-top: calc(var(--bs-gutter-x) * .5);
    padding-bottom: calc(var(--bs-gutter-x) * .5);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    font-size: 1.1rem;
}

._des_info p {
    /*position: absolute;*/
    bottom: 0 !important;
    /*margin-bottom: 0;*/
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

._caseCard {
    overflow: hidden;
    width: 380px;
    height: auto;
    /*min-height: 292px;*/
    width: auto;
    max-width: 380px;
}

._overHide {
    overflow: hidden;
}

._proimg {
    position: relative;
}

._psRelative {
    position: relative;
}

.bgRw {
    background-color: #e81123;
    opacity: 0.5;
    filter: alpha(opacity=50);
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 2;
    top: 0;
    text-align: center;
}

.bgred {
    font-size: .6rem;
}

    .bgred h3 {
        position: absolute;
        width: 100%;
        top: 40%;
        z-index: 3;
        color: #ffffff;
        text-align: center;
        font-size: .6rem;
    }

    .bgred span {
        position: absolute;
        width: 100%;
        top: 50%;
        z-index: 3;
        color: #ffffff;
        text-align: center;
        font-size: .8rem;
        cursor:pointer;
    }

    .bgred a.a1, .bgred img {
        position: absolute;
        top: 60%;
        left:32%;
        display: block;
        z-index: 3;
        text-align: center;
        cursor: pointer;
    }

._text2rem {
    text-indent: 2rem;
}

._t_b_half {
    padding-top:.5rem;
    padding-bottom:.5rem;
    padding-top: calc(var(--bs-gutter-x) * .5);
    padding-bottom: calc(var(--bs-gutter-x) * .5);
}

.p40 {
    padding: 40px;
}

.p_ti_h4 {
    font-size: 35px;
}

.p_info {
    font-size: 2rem;
}

.p_ti_other {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 1.6rem;
}

.btn_pro_list {
    color: #535353;
    border-radius: 20px;
    text-align: center;
    margin: 0 20px 20px 0;
    display: inline-block;
    border: solid 1px rgb(227, 227, 227);
    background-color: rgb(255, 255, 255);
    width: 100px;
    height: 38px;
    line-height: 38px;
}

    .btn_pro_list:hover {
        color: #fff;
        background: #0080c5;
    }

._t_half6 {
    padding-top: 6px;
}

._l_r_half {
    padding-right: 15px;
    padding-left:15px;
    /*margin-top: 15px;*/
    padding-left: calc(var(--bs-gutter-x) * .5);
    padding-right: calc(var(--bs-gutter-x) * .5);
}

._b_half {
    /*padding-right: 15px;*/
    /*padding-left:15px;*/
    margin-bottom: 15px;
    padding-bottom: calc(var(--bs-gutter-x) * .5);
}

.bgWhite {
    background-color: #ffffff;
}

.bgf4 {
    background-color: #f4f4f4;
}

._underLine {
    border-bottom: 1px solid #808080;
}

._newBox {
    position: relative;
}

    ._newBox h4 {
        padding-top:.5rem;
            padding-top: calc(var(--bs-gutter-x) * .5);
        font-size: 1.2rem;
    }

._positionAbs {
    position: absolute;
}

._t_l_0 {
    top: 0;
    left: 0;
}

._w_red {
    color: #e81123;
}

._w_white {
    color: #FFFFFF;
}

._pd0 {
    padding-right: 0;
    padding-left: 0;
}

._pd0_r {
    padding-right: 0;
}

._pd3_r {
    padding-right: 3px;
}

._pd3_l {
    padding-left: 3px;
}

._pd0_l {
    padding-left: 0;
}

    ._pd0_l a {
        padding-left: 20px;
        font-size: 16px;
    }

._pd0_x_none {
    --bs-gutter-x: none;
}

._txtbox {
    border: 0;
    border-bottom: 1px solid #ced4da;
}

.nav-link {
    padding: 1rem 1.8rem;
    line-height: 4.5714rem;
}

.popover {
    background-color: transparent;
}

._bgf5 {
    background-color: #f5f5f5;
}

._bgff {
    background-color: #ffffff;
}

.card {
    border: 0;
    border-radius: 0;
}

._caseBox {
    font-size: .6rem;
    padding: .5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-top: 215px;
    border: 1px solid #a0a0a0;
}

    ._caseBox .card-text {
        padding-top: .8rem;
        padding-bottom: .8rem;
        padding-top: calc(var(--bs-gutter-x) * 10);
        padding-bottom: calc(var(--bs-gutter-x) * 10);
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
        padding-top: 8px;
        padding-bottom: 8px;
    }

.col-6 {
    font-size: .8rem;
}

.nav-top {
    font-size: .3rem;
}

.bgred {
    overflow: hidden;
    position: absolute;
    top: 0;
}

.col-2dot4 {
    position: relative;
    min-height: 1px;
    padding-right: .5rem;
    padding-left:.5rem;
    padding-right: calc(var(--bs-gutter-x) * .5);
    padding-left: calc(var(--bs-gutter-x) * .5);
}

.col-2dot4 {
    float: left;
}

.col-2dot4 {
    width: 20%;
}

.col-pull-2dot4 {
    right: 20%;
}

.col-push-2dot4 {
    left: 20%;
}

.col-lg-offset-2dot4 {
    margin-left: 20%;
}

._proimg {
    padding:.5rem .4rem ;
    margin-top:.4rem;
    padding-right: calc(var(--bs-gutter-x) * .4);
    padding-left: calc(var(--bs-gutter-x) * .4);
    padding-top: calc(.5 * var(--bs-gutter-x));
    padding-bottom: calc(.4 * var(--bs-gutter-x));
    margin-top: calc(.1 * var(--bs-gutter-y));
}

._pd_r {
    padding-right: .5rem;
    padding-right: calc(var(--bs-gutter-x) * .5);
}

._pd_l {
    padding-left: .5rem;
    padding-left: calc(var(--bs-gutter-x) * .5);
}

.p_info_light {
    font-size: 1.5rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

._b_word {
    position: absolute;
    bottom: 12px;
}

    ._b_word p {
        font-size: 1rem;
    }

._putcase img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 8px 0 0;
}

._br_8 {
    border-radius: 0 8px 8px;
    overflow: hidden;
}

._top_videoBox {
    margin-top: -16rem;
}

.my-4 {
    margin-top: 1rem !important;
    margin-bottom: 1rem !important;
}

.my-4-logo {
    margin-top: 10px !important;
    margin-bottom: 10px !important;
}

._f18 {
    font-size: 18px;
}

._caseCard  {
    width: auto;
    min-width: 127px;
}

.nav-top {
    font-size: 2.5rem;
    line-height: 5rem;
}

._des_info p {
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.bgred h3 {
    position: absolute;
    width: 100%;
    top: 40%;
    z-index: 3;
    color: #ffffff;
    text-align: center;
    font-size: .6rem;
}

._w70 {
    width: 60%;
}

.line92 {
    line-height: 4.5714rem;
}

._caseBox {
    font-size: 1.3rem;
}

.bgred {
    font-size: .8rem;
}

    .bgred h3 {
        font-size:1.4rem;
        font-size: calc(1.3rem + .6vw);
    }

._caseCard ._description {
    background: url(/imgs/eye.png)no-repeat center 68px rgba(0, 0, 0,0.6);
    background-color: #2fa9ff7d;
}

._contactBox > h3 {
    font-size: 1.75rem;
}

._lr25_tb20 {
    padding: 20px 25px;
}

.col-6 {
    font-size: 1rem;
}

.container, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl {
    max-width: 1684px;
}

._caseBtn {
    background-color: #f0f0f0;
    cursor: pointer;
    border: 1px solid transparent;
    padding: .3rem .75rem;
    font-size: 20px;
    border-radius: 0px;
}

._pImgsBox {
    padding:.4rem; 
        padding: calc(var(--bs-gutter-x) * .2);
}

._des_info {
    height: 165px;
    padding: 20px;
}

    ._des_info h3 {
        font-weight: 700;
    }

    ._des_info p {
        font-size: .9rem;
        -webkit-line-clamp: 5;
        -webkit-box-orient: vertical;
    }
.toRightbox {
    margin-left: 10px;
    height: 28px;
    display: inline-block;
    width: 48px;
    background: url(/imgs/toRight.png)no-repeat center;
}

._caseBox .card-text {
    font-size: 20px;
    line-height: 28px;
    display: inline-flex;
}

.caseNav {
    display: block;
    width: 254px;
    font-size: 24px;
}

._caseBoxTi .caseNav {
    padding-left: 0;
    padding-right: 0;
}

._caseBoxTi .active, ._caseBtn:hover {
    color: #52b8e8;
    background-color: transparent;
}

.underBlueLine {
    width: 254px;
    height: 9px;
    /*background: url(/imgs/underLine.png)no-repeat center;*/
    background: url(/imgs/caseline.png)no-repeat center;
    display: block;
}

._caseBoxTi .active .underBlueLine, ._caseBtn:hover .underBlueLine {
    background: url(/imgs/underLine.png)no-repeat center;
}

.vhead {
    top: 0;
    width: 100%;
    background: #fff;
    z-index: 301;
    position: fixed;
    _position: absolute;
    -webkit-transform: translateZ(0);
}
.vfootbox {
    width: 100%;
    height: 200px;
    background: #000000;
}
.vfoot {
    bottom: 0;
    width: 100%;
    height:200px;
    background-color:#ef1f1f;
    z-index: 301;
    position: fixed;
    _position: absolute;
    -webkit-transform: translateZ(0);
    padding-top:24px;
}
.sticky {
    position: -webkit-sticky;
    position: -moz-sticky;
    position: -ms-sticky;
    position: -o-sticky;
    position: sticky;
}
.fdimg {
    width: 537px;
}

    .cpimg img {
        margin-top:-1px;
    }