.cou_box {
    width: 100%;
    overflow: hidden;
    margin-bottom: 30px;
}

.cou_box .cou_bar {
    width: 720px;
    height: 43px;
    background: url(//static.snailmobile.com/images/ucenter-v2/coupon_arrow.png) 20px -52px no-repeat #f6f6f6;
    padding-left: 40px;
    color: #333;
    font: 18px/43px "Microsoft yahei";
    display: block;
}

.cou_box .cou_bar.cur {
    background: url(//static.snailmobile.com/images/ucenter-v2/coupon_arrow.png) 20px 15px no-repeat #f6f6f6;
}

.cou_box .cou_ul {
    padding-left: 35px;
    overflow: hidden;
}

.cou_box .cou_li {
    width: 322px;
    height: 148px;
    background: url(//static.snailmobile.com/images/ucenter-v2/couponbg.png) 0 -150px no-repeat;
    float: left;
    margin-right: 35px;
    margin-top: 30px;
}

.cou_ul.unused .cou_li {
    background: url(//static.snailmobile.com/images/ucenter-v2/couponbg.png) 0 0 no-repeat;
}

.cou_box .box {
    width: 275px;
    margin: 20px auto 10px;
    overflow: hidden;
    text-align: center;
    color: #ccc;
    font: 14px/20px "Microsoft yahei";
}

.cou_box .useful .box {
    color: #fff;
}

.cou_box .box .price_bar {
    font: 24px/50px "Microsoft yahei";
}

.cou_box .box .price {
    font-weight: bold;
    font-size: 48px;
}

.cou_box .box .time {
    width: 100%;
    border-top: 1px solid #ddd;
    margin-top: 10px;
    font: 12px/30px "Microsoft yahei";
    color: #ccc;
}

.cou_box .box .useful .time {
    border-top: 1px solid #999;
    color: #99222a;
}