*{
    margin: 0;
    padding: 0;
}
bady{
    color: #333;
}
a{
    text-decoration: none;
    color: #333;
}
.ban{
    width: 1200px;
    margin: 0 auto;
}
img{
    width: 100%;
}
.nav{
    height: 95px;
    line-height: 95px;
    text-align: center;
}
.nav img{
    width: 170px;
    height: 42px;
    vertical-align: middle;
    margin-right: 60px;
}
.nav a{
    padding: 0 20px;
}
.active{
    color: #f56f00;
}

.footer{
    padding: 30px 0;
    text-align: center;
}