footer { bottom: 0;position: fixed; z-index: 2;width: 100%;box-shadow: 0 -0.01rem 0.04rem #eeeeee}
footer { bottom: 0;position: fixed; z-index: 2999;width: 100%;box-shadow: 0 -0.01rem 0.04rem #eeeeee}
main { position: absolute; z-index: 1;width: 100%}
.wb { background-color: #ffffff}
.red{color:red}

.header{
    display: flex;
    height: 2rem;
}
.header .header_left{
    display: flex;
    width: 2rem;
}
.header .header_mid{
    display: flex;
    flex: 1;
    justify-content: center;
}
.header .header_right{
    display: flex;
    width: 2rem;
    font-size: 0.8rem;
    justify-content: flex-end;
}
.header .header_right span{
    display: flex;
    align-items: center;
}

/*底部menu*/
.btn3 {position: fixed;z-index: 3000;bottom: 0;background: #e6e6e6;width: 100%;text-align: center;box-sizing: border-box;-webkit-box-sizing: border-box;box-shadow: 0 -1px 4px #eeeeee}
.menu {position: relative;float: left;width: 33.33%;height: 40px;line-height: 40px;background: #DDDCDC;box-sizing: border-box;-webkit-box-sizing: border-box;}
.menu:last-child {border-right: none;}
.cura .new-sub {display: block}
.new-sub {position: absolute;bottom: 60px;z-index: 3001;width: 90%;padding: 0 10px;background: #666363;box-sizing: border-box;-webkit-box-sizing: border-box;border: 1px solid #EEEEEE;display: none;}
.new-sub li {width: 100%;background: #c9c9c9;float: none;box-sizing: border-box;-webkit-box-sizing: border-box;}
.new-sub li a {display: block;height: 50px;line-height: 50px;background: #666363;color: #FFFFFF;border: none;text-align: center;font-size: 18px; letter-spacing: 2px;}
.sanjiao {position: absolute;bottom: 5px;right: 5px;width: 0;height: 0;border: 5px solid transparent;border-right: 5px solid #000;border-bottom: 5px solid #000;opacity: .5; display: none}
.bt-name {font-size: .9rem;letter-spacing: .1rem;color: #646464}
.bt-name a {display: block;font-size: .9rem;color: #000;}
.new-sub .tiggle {width: 0;height: 0;position: absolute;left: 50%;margin-left: -10px;bottom: -9px;border-top: 10px solid #c9c9c9;border-left: 10px solid transparent;border-right: 10px solid transparent;z-index: 3001;}
.new-sub .innertiggle {width: 0;height: 0;position: absolute;left: 50%;margin-left: -9px;bottom: -8px;border-top: 9px solid #666363;border-left: 9px solid transparent;border-right: 9px solid transparent;z-index: 3002;}

.red{color: red}
.w1 {width: 1em}
.w2 {width: 2em}
.w3 {width: 3em}
.w4 {width: 4em}
.w5 {width: 5em}
.w6 {width: 6em}
.w7 {width: 7em}
.w8 {width: 8em}
.w9 {width: 9em}
.w10 {width: 10em}
.w11 {width: 11em}
.w12 {width: 12em}
.w13 {width: 13em}
.w14 {width: 14em}
.w15 {width: 15em}
.w16 {width: 16em}
.w17 {width: 17em}
.w18 {width: 18em}
.w19 {width: 19em}
.w20 {width: 20em}
.t-c{text-align: center}