html{font-size:625%;}
body{
    margin: 0 auto;
    padding:0;
    font-size:.14rem;
    font-family:"Source Han Sans CN";
    line-height:.25rem;
    color:#999999;
}

a{color:#555;text-decoration:none;}
a:hover{color:#ff4e00;text-decoration:none;}

ul,dl,p,h1,h2,h3,dt,dd{list-style:none;margin:0;padding:0;}

dt,dd{font-weight:normal;line-height:100%;}

.mar_5{margin-top:.05rem;}
.mar_10{margin-top:.1rem;}
.mar_15{margin-top:.15rem;}
.mar_20{margin-top:.2rem;}

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