.banner{
    width: 100%;
}
.banner img{
    display: block;
    width: 100%;
}
.con{
    width: 100%;
    margin:0.5rem 0;
}
.con_box{
    width: 9.4rem;
    margin:0 auto;
}
.coa{
    background: url(../images/coa_back.png) no-repeat top;
    padding: 0.2rem;
}
.coa h1{
    font-size: 0.4rem;
    color:#09307e;
}
.coa_top p{
    font-size: 0.34rem;
    color:#333;
    margin-top: 0.1rem;
}
.dt{
    width: 100%;
    margin-top: 0.3rem;
}
.dt img{
    display: block;
    width: 100%;
}