.ywbk{ width: 98%;margin: 0 auto; margin-top:1rem;background:#fff;}
.ywbk-lil{width:66%;float:left;box-sizing: border-box;}
.ywbk-lila{width:50%;float:left;position:relative;box-sizing:border-box;padding-right:.1rem;text-align: center;}
.ywbk-lila span{display:block;height:6.8rem;background:#006dc0;line-height:6.8rem;}
.ywbk-lila img{vertical-align: middle;width:10.5rem}
.ywbk-lilb{width:50%;float:left;position:relative;box-sizing:border-box;padding-left:.1rem;text-align: center;}
.ywbk-lilb span{display:block;height:6.8rem;background:#f8b62c;line-height:6.8rem;}
.ywbk-lilb img{vertical-align: middle;width:10.5rem}
.ywbk-lilc{width:100%;float:left;position:relative;box-sizing:border-box;height:5.6rem;padding-top:.2rem;text-align: center;}
.ywbk-lilc span{display:block;height:5.2rem;background:#6fbc47;line-height:5.2rem;}
.ywbk-lilc img{vertical-align: middle;width:21rem}
.ywbk-lild{width:50%;float:left;position:relative;box-sizing:border-box;padding-right:.1rem;text-align: center;}
.ywbk-lild span{display:block;height:6.8rem;background:#f8b62c;line-height:6.8rem;}
.ywbk-lild img{vertical-align: middle;width:10.5rem}
.ywbk-lile{width:50%;float:left;position:relative;box-sizing:border-box;padding-left:.1rem;text-align: center;}
.ywbk-lile span{display:block;height:6.8rem;background:#006dc0;line-height:6.8rem;}
.ywbk-lile img{vertical-align: middle;width:10.5rem}
.ywbk-lir{width:34%;float:right;}
.ywbk-lira{display:block;height:12.3rem;box-sizing: border-box;padding-bottom:.1rem;padding-left:.2rem;}
.ywbk-lira span{display:block;height: 12.2rem;background:#006dc0;line-height:12.2rem}
.ywbk-lira img{vertical-align: middle;}
.ywbk-lirb{display:block;height:12.3rem;box-sizing: border-box;padding-top:.1rem;padding-left:.2rem;}
.ywbk-lirb span{display:block;height: 12.2rem;background:#f8b62c;line-height:12.2rem}
.ywbk-lirb img{vertical-align: middle;}

.ywbk img {
    width: 100%;
}