/*Html5*/
/*footer*/
.clean { clear:both; }

/*Base*/
li { list-style:none; float:left; }
i, em { font-style:normal; }

/*清除浮动*/
.clear { clear:both; }
.f-cb { zoom:1; }
.f-cb:after { clear:both; content:"."; display:block; height:0; overflow:hidden; visibility:hidden;}
.fl { float:left; }
.fr { float:right; }

/*字体*/
.ari { font-family:"Arial"; }

/*字号*/
.f12 {font-size:12px;}
.f14 {font-size:14px;}
.f16 {font-size:16px;}
.f18 {font-size:18px;}
.f20 {font-size:20px;}
.f22 {font-size:22px;}
.f24 {font-size:24px;}
.bold {font-weight:bold;}
.por {position:relative;}
.poa {position:absolute;}
.poa-f {height:100%; left:0; position:absolute; top:0; width:100%; }
.ovh {overflow:hidden;}
.noselect {user-select:none;}
.z1 {z-index:1;}
.z2 {z-index:2;}
.dn {display:none;}
.w-f {width:90%;}
.h-f {height:100%;}
.fwn {font-weight:normal;}
.t-f {transition:all 0.5s ease 0s;}
.t-c {transition:color 0.5s ease 0s;}
.t-bg {transition:background 0.5s ease 0s;}