* {
    margin: 0;
    padding: 0;
}

.html,body{
    width: 100%;
    height: 100%;
    min-width: 1500px;
}

a{
    text-decoration: none;
 }
 
.w{
    width: 1519px;
    height: 100%;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    min-height: 600px;
}

#head{
    width: 100%;
    height: 333px;
    background-image:url(../image/nav.png);
    background-repeat:no-repeat;
    background-size:100% 100%;
}


#head #logo{
    position: relative;
    width: 1455px;
    height: 160px;
    margin: 0 auto;
    background-image: url(../image/logo1.png);
    background-size :300px 117px ;
    background-repeat: no-repeat;
    background-position: 170px 0;
}

#foot{
    width: 100%;
    height: 220px;
    background: #BF0000;
}


#foot .adds{
    height: 52px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 26px;
    text-align: center;
    color: #FFFFFF;
    padding: 80px 0 0 0;
}

#foot .xsl{
    height: 26px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 26px;
    color: #FFFFFF;
    text-align: center;
    margin: 0 auto 80px auto;
}

#nav{
    width: 100%;
    height: 48px;
    background: #BF0000;
    overflow: hidden;
    display: flex;
    justify-content: center;
}

#nav .nav_list li{
    float: left;
    margin: 10px 75px;
}

#nav .nav_list li a{
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 31px;
    color: #FFFFFF;
}

.w .content{
    width: 1024px;
    height: 100%;
    margin: 0 auto;
}

.w .content .content_title{
    width: 838px;
    height: 100%;
    margin: auto auto;
}