a .detail{
    color: #333333;
}
.title {
    width: 1100px;
    margin: 0 auto;
}
.banner{
    width: 100%;
    background:url(../images/banner.e47512d4.png) center center / 100% 100% no-repeat rgb(14, 41, 99);
    height: 90px;
}