*{
    padding: 0;
    margin: 0;
    font-family:Microsoft YaHei;
    text-decoration: none;
}
a{
    text-decoration: none;
    color: #333;
}
.container{
    max-width: 1920px;
    height: auto;
    margin: 0 auto;
}
.item_top{
    width: 100%;
    height: auto;
    margin: 0 auto;
}
.item_top_L{
    float: left;
   

}
.item_top_R{
    float: right;
    
}
.item_top_L img{
    width: 70%;
    padding-left: 50px;
}
.item_top_R img{
    width: 60%;
    margin-top: 10px;
}
.item_top_banner{
    width: 100%;
    margin: 0 auto;
}
.item_top_banner img{
    width: 100%;
}

.item_title{
    max-width: 1920px;
    height: 60px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}
.item_title img{
    width: 60px;
    height: 60px;
}

.item_title_p{
    font-size: 30px;
    font-weight: bold;
    color: #333;
    margin-left: 30px;
    line-height: 60px;
}


.item_liucheng{
    max-width: 1920px;
    margin: 0 auto;
    background: url("lcbg.png") top center no-repeat;
    background-size: 100%;
    text-align: center;
    padding: 1px;
}
.liuchengImg{
    width: 850px;
    margin: 50px 0;
    
}
.item_pingtai{
    max-width: 1920px;
    margin: 0 auto;
    padding: 1px;
    background: url("pingtaibg.jpg") no-repeat top center;
    background-size: 100%;
}
.item_pingtai_bg{
    width: 1200px;
    margin: 0 auto;
    background: url("bg2.png") no-repeat top center;
    background-size: 100%;
}
.item_pingtai_computer{
    width: 900px;
    height: 700px;
    margin: 100px auto;
    background: url("computer.jpg") no-repeat top center;
    background-size: 100%;
    display: flex;
    justify-content: space-around;
}
.item_pingtai_computer_one{
    width: 150px;
    height: 300px;
    margin-top: 90px;
}
.item_pingtai_computer_one_title{
    width: 150px;
    height: 70px;
    margin: 0 auto;
    background: lightgray;
    line-height: 30px;
    text-align: center;
}

.item_pingtai_computer_one .saomiao{
    width: 40px;
    margin-top: 20px;
}

.item_pingtai_computer_one_ewm {
    width: 150px;
    height: auto;

}
.item_pingtai_computer_one_ewm img{
    width: 150px;
}
.item_bottom{
    max-width: 1920px;
    height: auto;
}
.item_bottom img{
    width: 100%;
}






@media screen and (max-width: 750px) {
    .item_top_L{
        float: left;
        width: 50%;
    }
    .item_top_R{
        float: right;
        width: 50%;
        
    }
    .item_top_L img{
        width: 70%;
        padding-left: 0px;
    }
    .item_top_R img{
        width: 40%;
        float: right;
        margin-top: 20px;
    }
    .item_title{
        height: 40px;

    }
    .item_title img{
        width: 30px;
        height: 30px;
    }
    
    .item_title_p{
        font-size: 16px;
        margin-left: 20px;
        line-height: 30px;
    }
    .item_liucheng{
        width: 96%;
        text-align: center;
        margin:0 auto;
        
    }
    
    .liuchengImg{
        width: 90%;
    }
    .item_pingtai{
        width: 96%;
    }
    .item_pingtai_bg{
        width: 100%;
        height: auto;
        padding: 1px;
    }
    .item_pingtai_computer{
        width: 100%;
        display: initial;
    }
    .item_pingtai_computer_one{
        width: 250px;
        height: 300px;
        margin: 30px auto;
    }
    .item_pingtai_computer_one_title{
        width: 250px;
    }
    .item_pingtai_computer_one_ewm{
        margin: 0 auto;
    }
}