.banner{width:100%;margin:auto;overflow:hidden}
.lay-title{
    width: 100%;
    margin: .8rem auto .4rem;
    text-align: center;
    overflow: hidden;
    color: red;
}
.lay-title em{
    display: block;
    width: 2rem;
    margin: .1rem auto;
    height: 2px;
    background: #d30000;

}
.lay-title p{
    color: #888;
}
.lay-btn-group{
    width: 70%;
    margin: .4rem auto;
    display: flex;
    display:-webkit-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-bottom: 1px;
}
.lay-btn-group>a{
    width: 48%;
    padding: .1rem 0;
    background: #d30000;
    color: #fff;
    text-align: center;
    border-radius: .1rem;
}
.lay-btn-group>a:nth-child(2){
    background: #fe8125!important;
    margin-left: 4%;
}
.lay1{
    width: 100%;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}
.lay1>img{
    width: 50%;
}
.banner-nav{
    width: 100%;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    justify-content: space-between;
    overflow: hidden;
    background: #757575;
    color: #fff;
    text-align: center;
    padding: .1rem 0;
}
.banner-nav>div{
    width: 33%;
    padding: .1rem 0;
    border-right: 1px solid #fff;
}
.banner-nav>div:last-child{
    border-right: 1px solid #757575;
}