.header {
    position: relative;
    width: 100%;
    height: 1050px;
    background-image: url(../photo/bg001.jpg);
    background-size: cover;
    background-position: center center;
}
.body{
    min-height: 600px;
    height: 100px;
    text-align: center;
    color: #fff;
    background-color:#15a0c5;
}

.logo{
    height: 100px;
    width: 100px;
}

.footer {
    height: 50px;
    line-height: 100px;
    text-align: center;
    color: #fff;
    background-color:#15a0c5;

}


.logo-text {
    display: block;
    position: absolute;
    left: 100px;
    width:200px;
    height: 100px;
    text-decoration:none;
    color: #fff;
    font-size: 32px;
    line-height: 100px;

}


/************ 导航***********************************/
.nav-area {
    background-color: #15a0c5;
    height: 100px;
    width: 100%;
}

.nav {
    text-align: center;
    font-size: 14px;
    height:100px;
    float: right;
}
/*去nav这个类的html元素下面找标签为dd所以html元素*/
.nav dd {
float: left;
    font-size: 16px;
    height: 100px;


}

.nav dd a {
    display: block;
    text-align: center;
    color: #fff;
    position: relative;
    width: 150px;
    height: 100px;
    line-height: 100px;
}


/************ 导航***********************************/