.fl{float:left}
.fr{float:right}
.cs{cursor:pointer}
img{vertical-align:top}
.overflow1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.overflow2{text-overflow:-o-ellipsis-lastline;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.overflow3{text-overflow:-o-ellipsis-lastline;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}
.clearfix{zoom:1}
.clearfix:after{content:'';display:block;clear:both;height:0;visibility:hidden}
.flex{display:-webkit-flex;display:flex}
.flex-row-rev{display:-webkit-flex;display:flex;flex-direction:row-reverse}
.flex-col{display:-webkit-flex;display:flex;flex-direction:column}
.flex-col-rev{display:-webkit-flex;display:flex;flex-direction:column-reverse}
.flex-wrap{flex-wrap:wrap}
.item-center{align-items:center}
.item-end{align-items:flex-end}
.justify-center{justify-content:center}
.justify-end{justify-content:flex-end}
.justify-between{justify-content:space-between}
.justify-around{justify-content:space-around}
.w1200{width:1300px;margin:0 auto}
.h5warp{display:none}
.fixed-right{position:fixed;z-index:10;bottom:5%;right:15px}
.fr-item{width:90px;height:180px;padding:22px 0 25px;box-sizing:border-box;border-radius:10px;margin-bottom:10px;cursor:pointer}
.fr-item.blue{background:linear-gradient(135deg,#1B4F6B 15%,#5AA3A3,#1B4F6B 85%)}
.fr-item.yellow{background:linear-gradient(135deg,#A2711B 15%,#D8B53C,#A2711B 85%)}
.fr-item.red{background:linear-gradient(135deg,#8F0F0F 15%,#B93636,#8F0F0F 85%)}
.fr-item p{font-size:28px;line-height:34px;font-weight:bold;color:#FFFFFF;text-align:center}

@media screen and (max-width:767px) {
    .pcwarp{display:none}
    .h5warp{display:block}
    img{max-width:100%}
    .w1200{width:100%}
    .fixed-btm{position:fixed;z-index:10;bottom:10px;left:50%;transform:translateX(-50%)}
    .fb-item{width:40vw;height:auto;aspect-ratio:400 / 120;margin:0 2vw;color:#fff;font-size:22px;font-weight:bold;border-radius:10px}
    .fb-item img{height:45%;width:auto;margin-right:10%}
    .fb-item.blue{background:linear-gradient(135deg,#1B4F6B 15%,#5AA3A3,#1B4F6B 85%)}
    .fb-item.yellow{background:linear-gradient(135deg,#A2711B 15%,#D8B53C,#A2711B 85%)}
    .fb-item.red{background:linear-gradient(135deg,#8F0F0F 15%,#B93636,#8F0F0F 85%)}
}