html{overflow:hidden;background:#262c3a}

.clearfix:after{
     content:".";       
     display:block;       
     height:0;       
     clear:both;       
     visibility:hidden;       

}
.clearfix{*zoom:1}

.ddw{position:absolute;left:0;top:0;color:#000;font-size:16px;z-index:9999;}
.ddw2{position:absolute;left:20px;top:0;color:#000;font-size:16px;z-index:9999;}
.num_box{position:relative;}
.num{color:#fff;width:100%;text-align:center;position:relative;}


/*.fixed_r{position:absolute;left:10px;top:300px;z-index:999;}*/
/*.fixed_r li{width:35px;height:2px;background:#2587de;line-height:40px;color:#333;font-size:16px;text-align:center;cursor:pointer;margin-top: 15px}*/
/*.fixed_r li.on{width: 70px;transition: .4s;}*/

@media(max-width:780px){
    html{overflow:auto;}
}