.cell_box{font-size: 0;}
.cell_box:before{content: ''; height: 100%; display: inline-block; vertical-align: middle;}
.cell_box .cell{width: 100%; display: inline-block; vertical-align: middle;}
/*scroll*/
/*::-webkit-scrollbar {width:4px;height:4px}
::-webkit-scrollbar-button:vertical {display:none}
::-webkit-scrollbar-corner,::-webkit-scrollbar-track {background-color:#f5f5f5;}
::-webkit-scrollbar-thumb {border-radius:0;background-color:#ff8615;}
::-webkit-scrollbar-thumb:vertical:hover {background-color:#ff8615;}
::-webkit-scrollbar-thumb:vertical:active {background-color:#ff8615;}*/
.bd_weixin_popup{-webkit-box-sizing: content-box; -moz-box-sizing: content-box; box-sizing: content-box;}