*{box-sizing: border-box;}
body{margin: 0;padding: 0;}
.hide{display: none;}
.ml8{margin-left: 8px;}
.ml10{margin-left: 10px;}
.ml15{margin-left: 15px;}
.ml20{margin-left: 20px;}
.ml30{margin-left: 30px;}
.ml80{margin-left: 80px;}
.ml180{margin-left: 180px;}
.mt10{margin-top: 10px;}
.mt15{margin-top: 15px;}
.mt20{margin-top: 20px;}
.mt25{margin-top: 25px;}
.mt30{margin-top: 30px;}
.f20{font-size: 20px;}
.f18{font-size: 18px;}
.f16{font-size: 16px;}
.f14{font-size: 14px;}
.f12{font-size: 12px;}
.fw{font-weight: 600;}
.c666{color: #666666;}
.c222{color: #222222;}
.c999{color: #999999;}
.c-red{color: #cc0000;}
.c393d49{color: #393D49;}
.c4a89dc{color: #4a89dc}
.cfff{color: #fff;}
.c000{color: #000;}
.cursor{cursor: pointer;}

.one{overflow: hidden;text-overflow: ellipsis;white-space: nowrap;}
.back-red{background: #cc0000;}

/*  -- flex弹性布局 -- */

.flex {
    display: flex;
}

.basis-xs {
    flex-basis: 20%;
}

.basis-sm {
    flex-basis: 40%;
}

.basis-df {
    flex-basis: 50%;
}

.basis-lg {
    flex-basis: 60%;
}

.basis-xl {
    flex-basis: 80%;
}

.flex-sub {
    flex: 1;
}

.flex-twice {
    flex: 2;
}

.flex-treble {
    flex: 3;
}

.flex-direction {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.align-start {
    align-items: flex-start;
}

.align-end {
    align-items: flex-end;
}

.align-center {
    align-items: center;
}

.align-stretch {
    align-items: stretch;
}

.self-start {
    align-self: flex-start;
}

.self-end {
    align-self: flex-end;
}

.self-stretch {
    align-self: stretch;
}

.align-stretch {
    align-items: stretch;
}

.justify-start {
    justify-content: flex-start;
}

.justify-end {
    justify-content: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-around {
    justify-content: space-around;
}