.banner{
    width: 100%;
    height: auto;
}
.banner img{
    width: 100%;
}
.ab-top {
    width: 100%;
    height: auto;
    display: inline-block;
    border-bottom: 1px solid #e8e8e8;
}
.abt-left {
    float: left;
    line-height: 65px;
    letter-spacing: 1px;
}
.abt-left img {
    float: left;
    margin-right: 6px;
    margin-top: 24px;
}
.abt-left p {
    float: left;
}
.abt-left p a {
    color: #434343;
}
.abt-nav {
    float: right;
    line-height: 73px;
}
.abt-nav li {
    float: left;
    margin-left: 45px;
}
.abt-nav li:hover{
    border-bottom:1px solid#1e63ac;
}
.abt-nav li a {
    color: #000;
    font-size: 18px;
}
.contact-box{
    width: 100%;
    height: 332px;
    margin-top: 30px;
    display: inline-block;
    background: url(http://langshuai.www.martdee.net/images/center-banner.jpg);
    background-position: center center;
    padding-top: 50px;
    padding-bottom: 27px;
}
.cc-left{
    width: 32%;
    float: left;
    padding-left: 7%;
    color: white;
}
.cc-left h3{
    font-size: 22px;
    padding-bottom: 10px;
}
.cc-left p{
    font-size: 15px;
    line-height: 37px;
}
.cc-right{
    float: right;
    width: 40%;
}
.cc-right .form {
    padding: 0 0 5%;
}
.c_row {
    width: 26%;
    margin-right: 7%;
    margin-bottom: 10px;
    float: left;
}
.c_row .user {
    width: 100%;
    border: 1px solid #e3e3e3;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    behavior: url(/pie/pie.htc);
    position: relative;
    padding: 0 18px;
    height: 48px;
    line-height: 48px;
    color: #999;
    font-size: 14px;
}
.m_row .mess {
    border-radius: 5px;
    padding: 14px 18px;
    line-height: 28px;
    font-size: 14px;
    color: #999;
    width: 92%;
    border: 1px solid #e3e3e3;
    min-height: 156px;
}
.mit{
    background: #217ad4;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    position: relative;
    border: 0px;
    text-align: center;
    margin: 0 auto;
    display: block;
    margin-top: 22px;
    color: white;
    font-size: 17px;
    letter-spacing: 6px;
}
.cc-map{
width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 40px;
}