.content{
    width: 1100px;
    margin: 0 auto;
}
.change_nav{
    font-size: 18px;
    text-align: right;
}
.change_nav span{
    margin-right: 20px;
    cursor: pointer;
}
.change_nav span.green{
    color: #0090ba;
}
.title_background{
    background: url("../img/gouda_title_background.png") repeat-x;
    width: 100%;
    height: 20px;
    margin-top: 10px;
}

.up_title{
    text-align: center;
}
.up_title h2{
    margin-top: 30px;
    color: #0090ba;
    font-size: 26px;
}


.change_n_content1{
    margin-top: 60px;
}
.change_n_content1 ul li{
    margin-top: 22px;
    height: 50px;
    line-height: 50px;
}
.change_n_content1 ul li:after, .change_n_content1 ul li:before{
    content: '';
    height: 0;
    display: table;
}
.change_n_content1 ul li:after{
    clear: both;
}
.change_n_content1 ul li p{
    float: left;
    width: 300px;
    text-align: right;
    font-size: 16px;
    color: #333333;
}
.content1_r{
    margin-left: 60px;
}
.text1{
    width: 511px;
    height: 48px;
    border: 1px solid #b7b7b7;
    padding: 0 17px;
    font-size: 16px;
    border-radius: 5px;
}
.select1{
    width: 205px;
    height: 48px;
    border: 1px solid #b7b7b7;
    border-radius: 5px;
    padding: 0 17px;
    margin-right: 30px;
    font-size: 16px;
}
.submit1{
    display: block;
    width: 360px;
    height: 50px;
    text-align: center;
    color: white;
    background: #0090ba;
    border-radius: 10px;
    margin: 60px auto;
    cursor: pointer;
    font-size: 16px;
    border: none;
    box-shadow: 0 3px 0 #0d542c;
}





.change_menu{

}
.change_menu:after, .change_menu:before{
    content: '';
    height: 0;
    display: table;
}
.change_menu:after{
    clear: both;
}
.change_menu span{
    width: 150px;
    height: 150px;
    border-radius: 50%;
    float: left;
    display: block;
    border: 1px solid #9e9e9e;
    text-align: center;
    line-height: 158px;
    font-size: 30px;
    color: #333333;
    font-weight: 500;
    margin: 0 60px;
    cursor: pointer;
}
.change_menu span.green_round{
    background: #0090ba;
    color: white;
}



.m_content{
    margin-top: 160px;
}
.m_content h1{
    font-size: 28px;
    color: #000000;
    font-weight: 500;
}
.m_content h2{
    font-size: 20px;
    color: #000;
    margin-top: 35px;
    font-weight: 500;
}
.m_content p{
    font-size: 18px;
    color: #000000;
    margin-top: 35px;
}
.mail{
    text-align: center;
    margin-top: 80px;
}
.mail h1{
    font-size: 24px;
    color: #000;
    font-weight: normal;
}
.mail p{
    width: 354px;
    height: 50px;
    background: #0090ba;
    color: white;
    display: block;
    line-height: 50px;
    margin: 30px auto 60px;
    font-size: 24px;
}