body{
    width: 100%;
    margin: 0px;
    padding: 0px ;
    font-size: 14px;
    color: #333;
    line-height:1;
    font-family: "calibri",arial,Tahoma,SimHei,"\5B8B\4F53",simsun,sans-serif;
    background: #fff;
}
*{margin:0;padding:0;}
ul {list-style:none;}
a {text-decoration:none;}
img {border:none;}
.clear{clear: both}
.header{
    width: 100%;
    height: 80px;
}
.index{
    width: 1198px;
    margin: 0 auto;
}
.header .logo{
    float: left;
    margin-top: 12px;
}
.header .nav{
    float: right;
    line-height: 80px;

}
.header .nav li{
    float: left;
    width: 100px;
    font-family: "微软雅黑";
    font-size: 16px;

}
.header .nav li a{
    color: black;
    width: 100%;
    height: 80px;
    display: block;
    text-align: center;
}
.header .nav li a:hover{
    color: #ffffff;
    text-align: center;
    background-color: #003399;
}
.main{
    width: 100%;
}
.main{
    width:100%;
    margin-top: 30px;
}
.main .project{
    float: left;
}
.main .project p{
    margin-top: -20px;
}
.main .nav{
    width: 100%;
    text-align: center;
}
.main .nav li{
    float: left;
    margin-left: 4px !important;
    font-family: "微软雅黑 ";
    font-size: 20px;
    color: #999998;
    font-weight: bolder;
    width: 16% !important;padding-top: 25px;}
.main .bom{
    width: 100%;
    margin-top: 40px;

}
.main .bom .one{
    width: 260px;
    height: 230px;
    float: left;
    margin-bottom: 30px;
    margin-left: 34px;
}
.main .bom .one img{
    width: 260px;
    height: 184px;
}
.box{
    width: 260px;
    border-radius: 9px;

    font-family: "微软雅黑";
    font-size: 16px;
    color: #000000;
    text-align: center;
    line-height: 73px;
}

.about{
    width: 100%;
    height: 507px;
    background: url("../images/1765_j2myzntu.jpg") no-repeat;
    background-size: cover;
    background-attachment: fixed;
}
.about .text{
    padding-top: 110px;
    width: 100%;
    text-align: center;
}
.about .text h2{
    font-family: "微软雅黑";
    font-size: 33px;
    color: white;
}
.about .text span{
    font-family: "微软雅黑";
    font-size: 25px;
    color: white;
    margin-top: -12px;
    display: block;
}
.about .text p{
    margin-top: 27px;
    font-family: "微软雅黑";
    font-size: 23px;
    color: white;
    LINE-HEIGHT: 61PX;
}
.about .but{
    display: block;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    margin-top: 51px;
}
.footer{
    width: 100%;
    height: 160px;
    background-color: #555555;
}
.footer h2{
    font-family: "微软雅黑";
    font-size: 18px;
    color: white;
    padding-top: 15px;
}
.footer .text{
    width: 1170px;
    height: 48px;
    border-bottom: 2px solid#aaaaaa;
}
.footer .text p {
    float: left;
    font-family: "微软雅黑";
    color: white;
    font-size: 15px;
    margin-top: 15px;
}
.footer p{
    font-family: "微软雅黑";
    color: white;
    font-size: 15px;
    margin-top: 20px;
}

.trxt{
    width: 100%;
    padding-top: 48px;
    overflow: hidden;
}
.trxt .news{
    width: 549px;
    height: 416px;
    float: left;
    overflow:hidden;
}
.m3_lb {
    float: left;
    height: 330px;
    width: 510px;
    margin-top: 15px;
    padding-left: 21px;
}
.m3_lb ul li {
    float: left;
    height: 100px;
    width: 510px;
    margin-top: 10px;
    margin-bottom: 10px;
    display: block;
    overflow: hidden;
}
.m3_lb ul li p {
    float: left;
    width: 370px;
    height: 20px;
    font-size: 18px;
    padding-bottom: 10px;
}
.m3_lb ul li em {
    background-image: url(../images/time.jpg);
    background-repeat: no-repeat;
    background-position: left center;
    float: left;
    height: 22px;
    width: 345px;
    line-height: 22px;
    padding-left: 25px;
    font-style: normal;
    font-size: 14px;
    color: #333;
}
.m3_lb ul li span {
    float: left;
    height: 50px;
    width: 370px;
    line-height: 25px;
    font-size: 14px;
    color: #333;
}





.trxt .work{
    width: 549px;
    height: 416px;
    float: right;
}
.m3_rb {
    float: left;
    width: 510px;
    height: 330px;
    margin-top: 15px;
}
.m3_rb ul li {
    float: left;
    margin-right: 12px;
    display: inline;
    width: 230px;
    height: 145px;
    overflow: hidden;
    position: relative;
    margin-bottom: 14px;
}
.m3_rb ul li .photo {
    width: 230px;
    height: 145px;
    overflow: hidden;
}
.m3_rb .rsp {
    width: 230px;
    height: 145px;
    overflow: hidden;
    position: absolute;
    background: #000;
    top: 0px;
    left: 0px;
}
.main .nav li a{
    font-size: 18px !important;
}
.about .but img{
    text-align: center;
    margin: 0 auto;
}
@media screen and (max-width: 768px) {
    .index{
        width: 95%;
        margin: 0 auto;
    }
    .main .nav li{
        width: 31% !important;
        margin-bottom: -20px;
    }
    .main .bom .one {
        width: 48%;
        height: auto;
        float: left;
        margin-bottom: 20px;
        margin-left: 6px;
    }
    .project span{
        font-size: 18px !important;
    }
    .main .nav li a {
        font-size: 12px !important;
    }
    .main .bom .one img {
        width: auto;
        height: 118px;
    }
    .box {
        width: auto;
        border-radius: 9px;
        font-family: "微软雅黑";
        font-size: 10px;
        color: #000000;
        text-align: center;
        line-height: 44px;
    }
    .main .bom .one img {
        width: 155px;
        height: 118px;
    }
    .about .text {
        padding-top: 60px;
        width: 100%;
        text-align: center;
    }
    .about .text span{
        font-size: 20px !important;
    }
    .about .text p {
        margin-top: 27px;
        font-family: "微软雅黑";
        font-size: 16px;
        color: white;
        line-height: 42PX;
    }
    .news span{
        font-size: 18px;
    }
    .m3_lb {
        float: left;
        height: auto;
        width: 100%;
        margin-top: 15px;
        padding-left: 10px;
    }
    .m3_lb ul li span{
        float: left;
        height: 50px;
        width: 63%;
        line-height: 25px;
        font-size: 14px !important;
        color: #333;
    }
    .trxt .work {
        width: 100%;
        height: auto;
        float: right;
    }
    .m3_rb {
        float: left;
        width: auto;
        height: auto;
        margin-top: 15px;
    }
    .m3_rb .rsp {
        width: 48%;
        height: auto;
        overflow: hidden;
        position: absolute;
        background: #000;
        top: 0px;
        left: 0px;
    }
    .m3_rb .rsp img{
        width: 100%;
        height: auto;
    }
    .m3_rb .text{
        display: none;
    }
    .m3_rb ul li .photo {
        width: auto;
        height: 145px;
        overflow: hidden;
    }
    .m3_rb ul li {
        float: left;
        margin-right: 6px;
        display: inline;
        width: 48%;
        height: 145px;
        overflow: hidden;
        position: relative;
        margin-bottom: 14px;
    }

}