/**
  banner
   */
body{
    /*min-height: 5000px;*/
    background-color: rgb(252,252,252);
}
.banner{
    width: 100%;
}
.banner img{
    width: 100%;
}
.row{
    margin: 0;
}
.banner img{
    width: 100%;
}

#carouselExampleIndicators .carousel-indicators .active{
    background: rgb(40,49,50);
}
#carouselExampleIndicators .banner-logo img{
    position: absolute;
    top: calc(50% - 142.5px);
    left: calc(50% - 400px);
}

/*关于我们*/
.about-us {
    text-align: center;
    background-color: rgb(237,237,237);
    color: rgb(51,51,51);
    font-family: "Century Gothic";
    padding-bottom: 50px;
}
.container h3{
    font-family: "Century Gothic";
    text-align: center;
}
.about-us p{
    font-size: 14px;
}
.container .title-2{
    text-align: center;
    margin-top: 20px;
    margin-bottom: 40px;
    font-family: "Century Gothic";
}
/*产品*/

.products table{
    border-collapse: separate;
    border-spacing: 0;
}
.products table thead{
    color: rgba(255,255,255,0.8);
    background-color: rgb(27,68,141);
}
.products table thead tr td:first-child{
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}
.products table thead tr td:last-child{
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
}
.products table td{
    height: 50px;
    text-align: center;
    border: 1px solid rgba(0,0,0,0.2);
    border-left: none;
    border-bottom: none;
}
.products table tr td:last-child{
    border-right: none;
}
.products table tr:last-child td{
    border-bottom: 1px solid rgba(0,0,0,0.2);
}
.product-img{
    width: 100%;
    margin-top: 40px;
}
.product-img li{
    float: left;
    position: relative;
    overflow: hidden;
}
.product-img li img{
    width: 100%;
    height: 100%;
}
.product-img li:nth-child(1){
    width: 35%;
}
.product-img li:nth-child(2){
    width: 32%;
}
.product-img li:nth-child(3){
    width: 33%;
}
.product-img li:nth-child(4){
    width: 30%;
}
.product-img li:nth-child(5){
    width: 40%;
}
.product-img li:nth-child(6){
    width: 30%;
}
.product-img .product-cate{
    position: absolute;
    font-family: "Century Gothic";
    padding: 10px;
    background-color: rgba(40,66,112,0.4);
    color: #ffffff;
    text-align: center;
    transition: top 0.5s;
}
.product-img li:hover .product-cate{
    top: 40%;
}
.service-advantage{
    font-family: "Century Gothic";
}
.service-advantage > div{
    width: 50%;
    height: 386px;
    float: left;
    background-color: rgb(40,66,112);
}
.service-advantage > div img{
    width: 100%;
    height: 100%;
}
.service-advantage .service h3{
    color: rgb(255,191,38);
    text-transform: uppercase;
}
.service-advantage .service h4{
    color: rgb(255,191,38);
}

.service ul li{
    width: 50%;
    float: left;
    list-style: disc;
}
.service ul li:last-child{
    width: 100%;
}
.service-advantage ul li{
    color: #ffffff;
}
.service-advantage .advantage h3{
    color: #ffffff;
    text-transform: uppercase;
}
.advantage ul li{
    list-style: disc;
}
@media only screen and (max-width:575.98px ) {
    #carouselExampleIndicators .banner-logo img{
        width: 100px;
        position: absolute;
        top: calc(50% - 30px);
        left: calc(50% - 50px);
    }
    #carouselExampleIndicators .banner-logo .down-btn{
        display: none;
    }
    #carouselExampleIndicators .carousel-indicators{
        bottom: 0;
    }
    #carouselExampleIndicators .carousel-indicators li{
        width: 5px;
        height: 5px;
        background: none;
        border-radius: 50%;
        border: 2px solid rgb(40,49,58);
    }
    .about-us {
        padding-top: 50px;
    }
    .about-us .container{
        padding-left: 10px;
        padding-right: 10px;
    }
    .products{
        padding-top: 50px;
        padding-bottom: 30px;
        font-family: "Century Gothic";
    }
    .products .products-table{
        width: 100%;
        overflow-x: scroll;
    }

    .products table{
        width: 150%;
        font-size: 12px;
        border-collapse: separate;
        border-spacing: 0;
    }

    .product-img li{
        height: 100px;
    }
    .product-img .product-cate{
        top: 20%;
        font-size: 12px;
        left: 0;
    }
    .service-advantage .service h3, .service-advantage .advantage h3{
        font-size: 14px;
    }
    .service-advantage .service h4{
        font-size: 12px;
    }

    .service-advantage > div{
        width: 100%;
        height: 200px;
    }
    .service-advantage .service, .service-advantage .advantage{
        padding: 20px 20px;
    }
    .service-advantage ul{
        margin-top: 10px;
        margin-left: 18px;
    }
}
@media only screen and (min-width: 575.98px){
    #carouselExampleIndicators .banner-logo img{
        width: 200px;
        position: absolute;
        top: calc(50% - 30px);
        left: calc(50% - 100px);
    }
    #carouselExampleIndicators .banner-logo .down-btn{
        display: block;
        width: 20px;
        position: absolute;
        top: calc(70%);
        left: calc(50% - 10px);
    }
    #carouselExampleIndicators .carousel-indicators{
        bottom: 20px;
    }
    #carouselExampleIndicators .carousel-indicators li{
        width: 5px;
        height: 5px;
        background: none;
        border-radius: 50%;
        border: 2px solid rgb(40,49,58);
    }
    .about-us {
        padding-top: 70px;
    }
    .about-us .container{
        padding: 0;
    }
    .products{
        padding-top: 50px;
        padding-bottom: 30px;
        font-family: "Century Gothic";
    }
    .products .products-table{
        width: 100%;
        overflow-x: scroll;
    }

    .products table{
        width: 150%;
        font-size: 12px;
        border-collapse: separate;
        border-spacing: 0;
    }

    .product-img li{
        height: 100px;
    }
    .product-img .product-cate{
        top: 20%;
        font-size: 12px;
        left: 0;
    }
    .service-advantage .service h3, .service-advantage .advantage h3{
        font-size: 14px;
    }
    .service-advantage .service h4{
        font-size: 12px;
    }

    .service-advantage > div{
        width: 50%;
        height: 200px;
    }
    .service-advantage .service, .service-advantage .advantage{
        padding: 10px 20px;
    }
    .service-advantage ul{
        margin-top: 10px;
        margin-left: 16px;
    }
}
@media only screen and (min-width: 768px) {
    #carouselExampleIndicators .banner-logo img{
        width: 400px;
        position: absolute;
        top: calc(50% - 71.5px);
        left: calc(50% - 200px);
    }
    #carouselExampleIndicators .banner-logo .down-btn{
        width: 30px;
        position: absolute;
        top: calc(75%);
        left: calc(50% - 15px);
    }
    #carouselExampleIndicators .carousel-indicators li{
        width: 10px;
        height: 10px;
        background: none;
        border-radius: 50%;
        border: 2px solid rgb(40,49,58);
    }
    .products{
        padding-top: 50px;
        padding-bottom: 30px;
        font-family: "Century Gothic";
    }
    .products table{
        width: 100%;
        font-size: 16px;
        border-collapse: separate;
        border-spacing: 0;
    }
    .product-img li{
        height: 100px;
    }
    .product-img .product-cate{
        top: -50%;
        font-size: 14px;
        left: 50px;
    }
    .service-advantage .service h3, .service-advantage .advantage h3{
        font-size: 20px;
    }
    .service-advantage .service h4{
        font-size: 14px;
    }

    .service-advantage > div{
        width: 50%;
        height: 200px;
    }
    .service-advantage .service, .service-advantage .advantage{
        padding: 20px 30px;
    }
    .service-advantage ul{
        margin-top: 10px;
        margin-left: 16px;
    }
}
@media only screen and (min-width: 992px) {
    .container h3{
        font-size: 30px;
    }
    .container .title-2{
        font-size: 20px;
    }
    .products{
        padding-top: 70px;
        padding-bottom: 50px;
        font-family: "Century Gothic";
    }
    .product-img .product-cate{
        font-size: 16px;
        top: -50%;
    }
    .product-img li{
        height: 170px;
    }

    .service-advantage > div{
        width: 50%;
        height: 260px;
    }
    .service-advantage .service, .service-advantage .advantage{
        padding: 40px 75px;
    }
    .service-advantage .service h3, .service-advantage .advantage h3{
        font-size: 30px;
    }
    .service-advantage .service h4{
        font-size: 16px;
    }
    #carouselExampleIndicators .banner-logo img{
        width: 600px;
        position: absolute;
        top: calc(50% - 90px);
        left: calc(50% - 300px);
    }
    #carouselExampleIndicators .banner-logo .down-btn{
        width: 60px;
        position: absolute;
        top: calc(75%);
        left: calc(50% - 30px);
    }
    #carouselExampleIndicators .carousel-indicators li{
        width: 16px;
        height: 16px;
        background: none;
        border-radius: 50%;
        border: 2px solid rgb(40,49,58);
    }
    .service-advantage ul{
        margin-top: 20px;
        margin-left: 16px;
    }
}
@media only screen and (min-width: 1200px) {

    .container{
        max-width: 1200px;
    }
    .container h3{
        font-size: 48px;
    }
    .container .title-2{
        font-size: 22px;
    }
    .product-img li{
        height: 170px;
    }
    .product-img .product-cate{
        font-size: 20px;
        top: -50%;
    }

    .service-advantage .service h3, .service-advantage .advantage h3{
        font-size: 48px;
    }
    .service-advantage .service h4{
        font-size: 22px;
    }
    .service-advantage ul{
        margin-top: 20px;
        margin-left: 22px;
    }
    .service-advantage ul li{
        color: #ffffff;
        font-size: 18px;
    }
    .service-advantage > div{
        width: 50%;
        height: 386px;
        float: left;
        background-color: rgb(40,66,112);
    }
    #carouselExampleIndicators .banner-logo img{
        width: 800px;
        position: absolute;
        top: calc(50% - 142.5px);
        left: calc(50% - 400px);
    }
}
@media only screen and (min-width: 1500px) {
    .product-img .product-cate{
        font-size: 34px;
        top: -50%;
    }
    .service-advantage ul li{
        font-size: 22px;
    }
    .product-img li{
        height: 260px;
    }
}