/***数目增加减少***/
.NumberBox{ border:1px solid #f1f1f1; position: relative; line-height:36px; padding:0 38px; display:inline-block; }
.NumberBox .nBtn{ position:absolute; top:0; height:36px; width:38px; cursor:pointer; }
.NumberBox .nBtn:hover{ background-color:#f1f1f1; }
.NumberBox .nBtn::after{ position: absolute; height:10px; width:10px; left:50%; top:50%; margin-left:-5px; margin-top:-5px; }
.NumberBox .reduce{ left:0; }
.NumberBox .add{ right:0; }
.NumberBox .reduce::after{ background-position:-38px -20px; }
.NumberBox .add::after{ background-position:-37px -36px; }
.NumberBox .number{ display:block; margin:0; padding:0; line-height:36px; height:36px; width:60px; border-left:1px solid #f1f1f1; border-right:1px solid #f1f1f1; font-size:14px; color:#555555; }