/*导航栏样式*/
.purchase_nav{
    width:100%;
    height:1.8rem;
    background-color: #fff;
    position:fixed;
    top:0;
}
.purchase_navItem{
    display:inline-block;
    width:3rem;
    line-height: 1.8rem;
    margin:0 1.1rem;
    text-align:center;
    font-size:0.6rem;
}
.providers_logo{
    float:left;
    width:1.7rem;
    text-align:center;
    padding-top:0.25rem;
}
.pading_10{
    float:left;
    width:13rem;
    padding-left:0;
}
.providers_logo>img{
    width:1.1rem;
    border:1px solid #ddd;
    border-radius: 50%;
}
.title_providers{
    font-size:0.65rem;
}
/*.bottom_margin{*/
    /*margin-top:1rem;*/
/*}*/
/*导航选中效果*/
.nav_selected{
    box-sizing: border-box;
    color:#53a6ff;
    border-bottom:1px solid #53a6ff;
}

.aaa{
    display:none;
}
div.aaa_block{
    display: block;
}