.p_r{
    position: relative;
}

.banner{
    width: 100%;
    max-width: 1920px;
    min-width: 1200px;
    height: 600px;
    margin: 0 auto;
    background: #fff;
    position: relative;
    top: 0;
    left: 0;
}
.banner .mt190{
    margin-top: 190px;
}
.banner .mt150{
    margin-top: 150px;
}
.banner .item-head{

}
.banner .item-head img{
    width: 130px;
    height: 130px;
}
.banner .item-head .item-name{
    font-size: 45px;
    color: #ffffff;
    margin-left: 35px;
    line-height: 130px;
}
.banner .item-con{
    font-size: 24px;
    color: #ffffff;
    margin-top: 20px;
    line-height: 40px;
}
.banner .item-ewm{
    display: block;
    margin-top: 20px;
    width: 150px;
    height: 150px;
    line-height: 150px;
    font-size: 20px;
    background-color: rgba(0,0,0,0.4);
    text-align: center;
    color: #ffffff;
}
.banner .item-ewm img{
    width: 100%;
}
.banner .item-img{
    position: absolute;
    right: 0px;
    bottom: -57px;
}

.content1{
    padding: 90px 0px;
}
.content1 .con-text{
    width: 500px;
    margin-left: 100px;
    margin-top: 140px;
}
.content1 .con-text h1{
    font-size: 30px;
    color: #333333;
}
.content1 .con-text h3{
    margin-top: 20px;
    font-size: 16px;
    color: #999999;
}

.content2{
    width: 100%;
    background-color: #e5e5e5;
    /*padding: 15px 0px;*/
    max-width: 1920px;
    min-width: 1200px;
}
.content2 .con-text{
    width: 500px;
    margin-top: 110px;
}
.content2 .con-text h1{
    font-size: 30px;
    color: #333333;
}
.content2 .con-text h3{
    margin-top: 20px;
    font-size: 16px;
    color: #999999;
}

.content3{
    padding: 90px 0px;
}
.content3 .con-text{
    width: 500px;
    margin-left: 100px;
    margin-top: 190px;
}
.content3 .con-text h1{
    font-size: 30px;
    color: #333333;
}
.content3 .con-text h3{
    margin-top: 20px;
    font-size: 16px;
    color: #999999;
}