html,
body {
    position: relative;
    height: 100%;
}
.header-box{
    /* position: absolute !important; */
}



/* banner  */
.i-swiper-banner {
    width: 100%;
    height: 9.72rem;
    /* min-height: 9.72rem;
    max-height: 9.72rem; */
}

.i-swiper-banner .swiper-slide {
    position: relative;
}

.i-swiper-banner .swiper-slide .bj {
    position: relative;
    z-index: 0;
}

.i-swiper-banner .swiper-slide .container {
    position: absolute;
    z-index: 1;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.i-swiper-banner .swiper-slide .container .title_en {
    color: #fff;
    font-size: .46rem;
    font-family: 'Source_Han_Sans_SC_Heavy';
    text-transform: uppercase;
    letter-spacing: 0;
    line-height: 100%;
    margin-bottom: .35rem;
    opacity: 0;
    -webkit-transition-delay: 0.6s;
    transition-delay: 0.6s;
    -webkit-animation: none;
    animation: none;
}

.i-swiper-banner .swiper-slide .container .title {
    font-size: .77rem;
    color: #fff;
    font-family: 'Source_Han_Sans_SC_Bold';
    line-height: 100%;
    margin-bottom: .7rem;
    opacity: 0;
    -webkit-transition-delay: 0.9s;
    transition-delay: 0.9s;
    -webkit-animation: none;
    animation: none;
}

.i-swiper-banner .swiper-slide .container ul {

    opacity: 0;
    -webkit-transition-delay: 1.2s;
    transition-delay: 1.2s;
    -webkit-animation: none;
    animation: none;
}

.i-swiper-banner .swiper-slide .container ul li {
    width: 2.4rem;
    height: .52rem;
    line-height: .52rem;
    text-align: center;
    background: #fff;
    color: #26619f;
    font-size: .24rem;
    border-radius: .26rem;
    margin-bottom: .12rem;
}

.i-swiper-banner .swiper-slide-active .container .title_en {
    -webkit-animation: fadeInLeft;
    animation: fadeInLeft;
    -webkit-animation-duration: 0.75s;
    animation-duration: 0.75s;
    -webkit-animation-delay: 0.6s;
    animation-delay: 0.6s;
    opacity: 1;
}

.i-swiper-banner .swiper-slide-active .container .title {
    -webkit-animation: fadeInLeft;
    animation: fadeInLeft;
    -webkit-animation-duration: 0.75s;
    animation-duration: 0.75s;
    -webkit-animation-delay: 0.9s;
    animation-delay: 0.9s;
    opacity: 1;
}

.i-swiper-banner .swiper-slide-active .container ul {
    -webkit-animation: fadeInLeft;
    animation: fadeInLeft;
    -webkit-animation-duration: 0.75s;
    animation-duration: 0.75s;
    -webkit-animation-delay: 1.2s;
    animation-delay: 1.2s;
    opacity: 1;

}

@-webkit-keyframes fadeInLeft {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(-15%, 0, 0);
        transform: translate3d(-15%, 0, 0)
    }

    100% {
        opacity: 1;
        -webkit-transform: none;
        transform: none
    }
}

@keyframes fadeInLeft {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(-15%, 0, 0);
        transform: translate3d(-15%, 0, 0)
    }

    100% {
        opacity: 1;
        -webkit-transform: none;
        transform: none
    }
}

/* 设备分类 */

.i-pro-type-box {
    position: relative;
}

.i-pro-type-box .menu {
    display: flex;
    justify-content: center;
}

.i-pro-type-box .menu div.item {
    color: #9e9e9e;
    font-size: .16rem;
    margin: 0px .6rem;
}

.i-pro-type-box .menu div.active {
    color: #4b4b4b;
}

.i-pro-type-box .i-pro-type-swiper .swiper-slide {
    width: 100%;
    position: relative;
}

.i-pro-type-box .i-pro-type-swiper .swiper-slide .img-box{
    position: relative;
    z-index: 1;
}
.i-pro-type-box .i-pro-type-swiper .swiper-slide .img-box img {
    display: block;
    margin: 0px auto;
    width: auto;
    height: 5.5rem;
}
.i-pro-type-box .i-pro-type-swiper .swiper-slide .num-box{
    width: 100%;
    height: 5.5rem;
    position: absolute;
    left: 0px;
    top: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    color: #f5f5f5;
    font-family: 'Source_Han_Sans_SC_Bold';
    line-height: 100%;    
    text-transform:uppercase;
}

.i-pro-type-box .i-pro-type-swiper .swiper-slide .tit {
    width: 100%;
    text-align: center;
    font-size: .22rem;
    color: #4b4b4b;
    line-height: 100%;
    margin-top: .35rem;
}

.i-pro-type-box .i-pro-type-swiper .swiper-slide .btn-box {
    text-align: center;
    margin-top: .4rem;
}

.i-pro-type-box .i-pro-type-swiper .swiper-slide .btn-box a {
    width: 2.3rem;
    display: inline-block;
    font-size: .16rem;
    color: #272727;
    height: .54rem;
    border: 1px solid #030000;
    line-height: .54rem;
    border-radius: .1rem;
    margin: 0px .1rem;
}

.i-pro-type-box .i-pro-type-swiper .swiper-slide .btn-box a.active {
    width: 2rem;
    color: #fff;
    background: #272727;
}

.i-pro-type-box .i-pro-type-swiper .swiper-button-next,
.i-pro-type-box .i-pro-type-swiper .swiper-button-prev {
    width: .7rem;
    height: .7rem;
    border-radius: 100%;
    border: #838383 2px solid;
    overflow: hidden;

}

.i-pro-type-box .i-pro-type-swiper .swiper-button-next:after,
.i-pro-type-box .i-pro-type-swiper .swiper-button-prev:after {
    font-size: .2rem;
    color: #838383;
    font-weight: bold;
}


/* 央视视频 */
.i-yssp-box {
    width: 100%;
    position: relative;
}

.i-yssp-box .video {
    width: 10.28rem;
    height: 5.88rem;
    margin: 0px auto;
}

/* 应用场景 */
.i-yycj-box {
    background: #f8f8f8;
}

.i-yycj-box .items {


}

.i-yycj-box .items .item {

}

.i-yycj-box .items .item:nth-child(5n) {
    margin-right: 0;
}

.i-yycj-box .items .item .img {
    border-radius: .1rem;
    overflow: hidden;
    /*width: 3.05rem;*/
    /*height: 4.28rem;*/
    margin: 0px auto;
}

.i-yycj-box .items .item .tit {
    margin-top: .4rem;

    text-align: center;
}

.i-yycj-box .items .item .tit a {
    font-size: .18rem;
}

/* 应用行业 */
.i-yyhy-box {}

.i-yyhy-box .items {
    display: flex;
    justify-content: space-between;
}

.i-yyhy-box .items .big-img {
    width: 5.1rem;
    max-height: 6.62rem;
    overflow: hidden;
}

.i-yyhy-box .items .item-box {
    width: calc(100% - 5.3rem);
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    align-items: center;
}

.i-yyhy-box .items .item-box .item {
    width: calc(100% / 3 - .1rem);
    overflow: hidden;
    margin-right: .1rem;
    margin-top: 0px;
    margin-bottom: auto;
}

.i-yyhy-box .items .item-box .item:nth-child(n+4) {
    margin-top: auto;
    margin-bottom: 0px;
}

.i-yyhy-box .items .item-box .item:nth-child(3n) {
    margin-right: 0;
}

.i-yyhy-box .items .item-box .item .img {
    overflow: hidden;
}

.i-yyhy-box .items .item-box .item .tit {
    text-align: left;
    margin-top: .15rem;
}

.i-yyhy-box .items .item-box .item .tit a {
    font-size: .22rem;
}

/* 关于我们 */
.i-gywm-box {
    background: url('../img/i_about_bj.jpg') no-repeat center top #04498e;
    background-size: auto 100%;
}

.i-gywm-box .i-title-box .i-h1-title {
    text-align: left;
    color: #fff;
}

.i-gywm-box .i-title-box .i-h1-subtitle {
    text-align: left;
    color: #fff;
}

.i-gywm-box .txt-box {
    overflow: hidden;
}

.i-gywm-box .txt-box .num-box,
.i-gywm-box .txt-box .desc,
.i-gywm-box .txt-box .btn {
    width: 6.4rem;
    margin-left: auto;
    margin-right: 0px;
    color: #fff;
}

.i-gywm-box .txt-box .num-box .txt {
    font-size: .45rem;
    font-family: 'Source_Han_Sans_SC_Bold';
    line-height: 1.1;
    margin-top: .4rem;
}

.i-gywm-box .txt-box .num-box .txt:first-child {
    margin-top: 0;
}

.i-gywm-box .txt-box .num-box .txt:last-child {
    margin-bottom: 0px;
}

.i-gywm-box .txt-box .num-box .txt span {
    font-size: .5rem;
    font-family: 'Impact';
}

.i-gywm-box .txt-box .desc {
    margin-top: .7rem;
    font-size: .18rem;
    line-height: 200%;
}

.i-gywm-box .btn {
    display: flex;
    justify-content: flex-end;
    margin-top: .5rem;
}

.i-gywm-box .btn a {
    display: block;
    width: 2rem;
    height: .5rem;
    line-height: .5rem;
    text-align: center;
    background: #fff;
    border: 1px solid #272727;
    color: #272727;
    border-radius: .1rem;
}

/* 联系我们 */
.i-lxwm-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.i-lxwm-box .i-title-box .i-h1-title {
    text-align: left;
}

.i-lxwm-box .i-title-box .i-h1-subtitle {
    text-align: left;
}

.i-lxwm-box .address-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: .5rem;
}

.i-lxwm-box .address-box .txt {
    margin-right: .35rem;
}

.i-lxwm-box .address-box .txt p {
    line-height: 120%;
    margin-bottom: .3rem;
    font-size: .18rem;
}

.i-lxwm-box .address-box .txt p:last-child {
    margin-bottom: 0;
}

.i-lxwm-box .address-box .code-img {
    width: 2rem;
}

.i-lxwm-box .map {
    width: 8.3rem;
    height: 5.53rem;
}

/* @media (max-width: 1399px) {

}
@media (max-width: 1199px) {

}
@media (max-width: 991px) {

}

@media (max-width: 767px) {

}
@media (max-width: 575px) {

} */

/* （2k以上） */
@media only screen and (min-width:1441px) {}

/*（2k） */
@media only screen and (max-width:1440px) {}

/*（包含1080） */
@media only screen and (max-width:1200px) {
    

    .i-pro-type-box .menu div.item {
        font-size: 16px;
    }
    .i-pro-type-box .i-pro-type-swiper .swiper-slide .img-box img {
        width: 75%;
        height: auto;
    }

    .i-pro-type-box .i-pro-type-swiper .swiper-slide .tit {
        font-size: 14px;
    }

    .i-pro-type-box .i-pro-type-swiper .swiper-slide .btn-box a {
        font-size: 14px;
        width: auto;
        padding: 0px 10px;
    }

    .i-swiper-banner .swiper-slide .w80 {
        width: 90%;
    }

    .i-yycj-box .items .item .tit a {
        font-size: 14px;
    }

    .i-yyhy-box .items .big-img {
        width: 5.7rem;
        max-height: 100%;
    }

    .i-yyhy-box .items .item-box {
        width: calc(100% - 6rem);
    }

    .i-yyhy-box .items .item-box .item .tit a {
        font-size: 14px;
    }

    .i-gywm-box .txt-box .num-box,
    .i-gywm-box .txt-box .desc,
    .i-gywm-box .txt-box .btn {
        width: 9rem;
    }

    .i-gywm-box .txt-box .num-box .txt span {
        font-size: 34px;
    }

    .i-gywm-box .txt-box .num-box .txt {
        font-size: 32px;
    }

    .i-gywm-box .txt-box .desc {
        font-size: 14px;
    }

    .i-gywm-box .btn a {
        width: auto;
        padding: 5px 15px;
        font-size: 14px;
    }

    .i-lxwm-box .address-box .txt p {
        font-size: 14px;
    }
    .i-yssp-box .video{
        width: 95%;
        height: auto;
    }
    .i-yycj-box .items .item .img{
        width: 100%;
        height: auto;
    }
}

/*（2010年到2016年间的笔记本和屏幕）*/
@media only screen and (max-width:960px) {

    

}

/*（或者760px与480px） */
@media only screen and (max-width:760px) {
   

    .i-swiper-banner .swiper-slide .container {
        top: auto;
        bottom: 8%;
        transform: translate(-50%, 0)
    }

    .i-swiper-banner .swiper-slide-active .container .title_en {
        font-size: 16px;
    }

    .i-swiper-banner .swiper-slide .container .title {
        font-size: 18px;
    }

    .i-swiper-banner .swiper-slide .container ul li {
        width: 130px;
        height: auto;
        font-size: 12px;
        line-height: 150%;
    }

    .i-pro-type-box .menu div.item {
        font-size: 12px;
    }

    .i-pro-type-box .i-pro-type-swiper .swiper-slide .tit {
        font-size: 12px;
    }

    .i-pro-type-box .i-pro-type-swiper .swiper-slide .btn-box a {
        padding: 5px 10px;
        font-size: 12px;
    }

    .i-pro-type-box .i-pro-type-swiper .swiper-slide .btn-box a.active {
        width: auto;

    }

    .i-yycj-box .items {
        justify-content: space-between;
        flex-wrap: wrap;
        width: 90%;
    }
    .i-yycj-box .items .item{
        width: 48%;
        margin-right: 0;
        margin-bottom: 10px;
    }
    .i-yycj-box .items .item .img{
        width: 100%;
        height: auto;
    }
    .i-yyhy-box .items{
        flex-wrap: wrap;
    }
    .i-yyhy-box .items .big-img{
        display: none;
    }
    .i-yyhy-box .items .item-box{
        width: 98%;
        margin: 0px auto;
        justify-content: space-between;
    }
    .i-yyhy-box .items .item-box .item{
        width: calc(100% / 2 - 5px);
        margin-bottom: 10px;
    }
    .i-yyhy-box .items .item-box .item .tit{
        text-align: center;
    }
    .i-yyhy-box .items .item-box .item:nth-child(n+4){
        margin-bottom: 10px;
    }
    .i-gywm-box .i-title-box .i-h1-title{
        text-align: center;
    }
    .i-gywm-box .i-title-box .i-h1-subtitle{
        text-align: center;
    }
    .i-gywm-box .txt-box .num-box, .i-gywm-box .txt-box .desc, .i-gywm-box .txt-box .btn{
        width: 90%;
        margin: 0px auto;
    }
    .i-gywm-box .txt-box .num-box .txt{
        font-size: 24px;
        margin-top: 5px;
    }
    .i-gywm-box .txt-box .num-box .txt span{
        font-size: 26px;
    }
    .i-gywm-box .txt-box .desc{
        line-height: 150%;
        margin-top: 10px;
    }
    .i-gywm-box .btn a{
        font-size: 12px;
        line-height: 1;
        height: auto;
         border-radius: 5px;
    }
    .i-lxwm-box .map{
        display: none;
    }
    .i-lxwm-box .txt-box{
        width: 95%;
        margin: 0px auto;
    }
    .i-lxwm-box .i-title-box .i-h1-title{
        text-align: center;
    }
    .i-lxwm-box .i-title-box .i-h1-subtitle{
        text-align: center;
    }
    .i-lxwm-box .address-box .code-img{
        width: 100px;
    }
}