.df{display: flex;}
.j-sb{justify-content: space-between;}
.j-sc{justify-content: center;}
.a-ic{align-items: center;}
.ta-c{
    text-align: center;
}
.f-dc{flex-direction: column;}
.fl-wrap{flex-wrap: wrap;}
.fl-end{justify-content: flex-end;}
.colorf{color: #fff;}
.color2{color: #16813D;}
.bf{background: #fff;}
.ff-impact{font-family: impact;}
.w{width: 1400px;margin: 0 auto;}
.fz18{font-size: 18px;}
.fz20{font-size: 20px;}
.fz22{font-size: 22px;}
.fz24{font-size: 24px;}
.fz26{font-size: 26px;}
.fz16{font-size: 16px;}
.fz14{font-size: 14px;}
.fz28{font-size: 28px;}
.pos-r{position: relative;}
.pos-a{position: absolute;}
.bg3{background: #f5f6f8;}

.fr{float: right;}
.fl{float: left;}