*{
    margin: 0;
    padding: 0;

}

.chan{
    width: 100%;
    height: 430px;
    float: left;
    background: gray;
    background-image: url("../images/chanpin/banner1.jpg");
    background-size: 100% 100%;
}
.qiangda{
    width: 100%;
    height: 600px;
    float: left;
}
.qiangda1{
    width: 1000px;
    height: 600px;
    margin:  0 auto;
}
.qiangda-text{
    text-align: center;
    line-height: 120px;
    width: 100%;
    height: 20%;
    float: left;
    font-size: 40px;
}
.qiangda-kuai{
    width: 100%;
    height: 80%;
    float: left;
}
.qiangda-kuai ul{
    width: 100%;
    height: 45%;
}
.qiangda-kuai ul li{
    width: 30%;
    height: 100%;
    float: left;
    margin-left: 50px;
    text-align: center;

}
.qiangda-kuai ul li img{
    width: 50px;
    height: 50px;
    background-size: 100% 100%;
    margin-top: 25px;
}
.qiangda-kuai ul li p{
     line-height: 30px;
    font-size: 20px;
}
.qiangda-kuai ul li span{
    font-size: 15px;
}
.gongnen{
    width: 100%;
    height: 900px;
    float: left;
    background: black;
    margin-top: 20px;
}
.gongnen1{
    width: 1000px;
    height: 800px;
    margin: 0 auto;
}
.gongnen-text{
    text-align: center;
    line-height: 120px;
    width: 100%;
    height: 20%;
    float: left;
    font-size: 40px;
    color: white;
}
.gongnen-text2 p{
    text-align: center;
    line-height: 40px;
    font-size: 18px;
    color: white;
}
.gongnen2{
    width: 100%;
    height: 560px;

    float: left;
    position: relative;
    top: 30px;
    text-align: center;
}
.gongnen2 img{

    height: 560px;
    background-size: 100% 100%;

}





.kehuyun{
    width: 100%;
    height: 700px;
    background: black;
    float: left;
}
.kehuyun1{
    width: 1000px;
    height: 700px;
    margin: 0 auto;

}
.kehuyun1 img{
    height: 700px;
    background-size: 100% 100%;
}
.mihao{
    width: 100%;
    height: 500px;
    float: left;
    margin-top: 50px;
}
.mihao1{
    width: 1000px;
    height: 600px;
    margin:  0 auto;
    text-align: center;
}
.mihao1-text{
    width: 100%;
    height: 20%;
    line-height: 120px;
    text-align: center;
    font-size: 40px;
}
.mihao1 img{
    width: 100%;
    height: 400px;
    background-size: 100% 100%;

}
.phone{
    width: 100%;
    height: 600px;
    float: left;
    margin-top: 50px;
}
.phone1{
    width: 1000px;
    height: 600px;

    margin: 0 auto;
}
.phone1-text{
    width: 100%;
    height: 20%;
    text-align: center;
    line-height: 120px;
    font-size: 40px;
}
.phone1-left{
    width: 30%;
    height: 68%;

    float: left;
    position: relative;
    top: 5%;
    padding: 20px;
}
.phone1-left p{
    margin-top: 60px;
    font-size: 15px;
    line-height: 30px;
}
.phone1-left span{
    font-size: 20px;
}

.phone1-right{
    width: 62%;
    height: 68%;
    float: right;
    position: relative;
    top: 5%;
    padding: 20px;
    text-align: center;
}
.phone1-right img{
    width: 100%;
    height: 100%;
    background-size: 100% 100%;

}





.sikuai{
    width: 100%;
    height: 800px;
    background: ghostwhite;
    float: left;
    margin-top: 50px;
}
.sikuai1{
    width: 1000px;
    height: 800px;
    margin: 0 auto;

}
.sikuai2{
    width: 100%;
    height: 300px;
    float: left;

    margin-top: 70px;
}
.sikuai-1{
    width: 48%;
    height: 100%;
    background: white;
    border-radius: 5px;
    border: 1px solid #e3e3e3;
    float: left;
}
.sikuai-1 img{
    margin-left: 350px;
    position: relative;
    bottom: 20px;
    width: 70px;
    height: 75px;
    background-size: 100% 100%;
}
.sikuai-1-text p{
    margin-left: 100px;
    position: relative;
    top: 50px;
    font-size: 20px;
    line-height: 30px;
    font-weight: bold;
}
.sikuai-1 p{
    margin-left: 40px;

}
.san{
     font-size: 15px;
    line-height: 30px;
    margin-top: 20px;
}
.chang{
    font-size: 14px;
    line-height: 30px;
    padding-right: 20px;
    color: #808286;
}
.shiyong{
    width: 100%;
    height: 550px;
    background:#4774fa ;
    float: left;
}

.shiyong1{
    width: 1000px;
    height: 100%;
    margin: 0 auto;

}
.shiyong1-text{
    text-align: center;
    line-height: 200px;
    width: 100%;
    height: 30%;
    float: left;
    font-size: 40px;
    color: white;
}
.shiyong2{
    width: 100%;
    height: 68%;
    float: left;
    position: relative;
    top: 2%;
}
.shiyong2 ul {
    width: 100%;
    height: 100%;

    float: left;
}
.shiyong2 ul li{
    width: 30%;
    height: 100%;

    float: left;
    margin-left: 50px;
}
.shiyong2 ul li img{
    width: 150px;
    height: 120px;
    background-size: 100% 100%;
    margin-left: 75px;
    margin-top: 50px;
}
.shiyong2 ul li p{
    text-align: center;
    line-height: 30px;
    color: white;
    font-size: 15px;
    margin-top: 15px;
}
.shiyong2 ul li span{
    font-size: 20px;
    font-weight:bold;
}