.first .head{background-color:#de4756;overflow:hidden;color:#fff;height:40px;width:240px;position:relative;margin-left:-1px;margin-right:-1px}.first .head .txt{margin-left:15px;float:left;line-height:40px}.first .head .sum{margin-right:10px;float:right;line-height:40px;display:none}.first .head .sum b{font-weight:400}.first .head .size-14{font-size:16px}