#main div.content-area {
    background: #f5f5f5;
    padding-bottom: 100px;
    margin-top: 80px;
}
.content {
    background: white;
}
/*顶部图片 start*/
#main .content .helper-head{
    width: 100%;
    margin-bottom: 60px;
}
/*顶部图片 end*/
/*主体内容 start*/
/*左侧导航*/
#main .content .helper-content .left-nav {
    width: 213px;
    height: 500px;
}
#main .content .helper-content .left-nav a{
    display: block;
    padding: 0 65px 0 0;
    border-left: 7px solid transparent;
    margin-left: 40px;
    margin-bottom: 15px;
    text-indent: 0.5em;
    line-height: 25px;
    color: #666666;
    font-size: 20px;
}
#main .content .helper-content .left-nav a.on {
    color: #00b7ee;
    border-left: 7px solid #00b7ee;
}
/*右侧内容*/
#main .content .helper-content .right-mainContent {
    width: 750px;
    margin-right: 53px;
}
#main .content .helper-content .right-mainContent .company-title {
    width: 750px;
    background: #00b7ee;
    line-height: 45px;
    text-indent: 1em;
    color: white;
    font-size: 18px;
    margin-bottom: 30px;
}
#main .content .helper-content .right-mainContent .company-txt {
    width: 750px;
    font-size: 16px;
    line-height: 35px;
    color: #666666;
    margin-bottom: 72px;
}
#main .content .helper-content .right-mainContent .advantage-title{
    margin-bottom: 30px;
}
#main .content .helper-content .right-mainContent .advantage-txt{
    margin-bottom: 60px;
}
#main .content .helper-content .right-mainContent .advantage-txt h1 {
    font-size: 30px;
    color: #333333;
    line-height: 60px;
}
#main .content .helper-content .right-mainContent .advantage-txt p {
    font-size: 16px;
    color: #666666;
}
/*主体内容 end*/
/*联系我们 start*/
#main .content .contact-service {
    width: 100%;
    margin-top: 45px;
    padding-bottom: 85px;
}
#main .content .contact-service .contact{
    width: 50%;
}
#main .content .contact-service .contact-title {
    background: #00b7ee;
    color:white;
    font-size: 30px;
    line-height: 90px;
    padding: 0 0 0 154px;
}
#main .content .contact-service  .contact-txt{
    padding: 40px 0 47px 154px;
    background: #04a6d7;
    color:white;
    font-size: 16px;
    line-height: 30px;
}
/*联系我们 end*/