.detail {
    width: 1200px;
    margin: 10px auto;
    background: #fff;
    padding: 10px 0;
    min-height: 500px;
}

.detail-top {
    display: flex;
    justify-content: space-between;
}

/* 产品图 */
.detail-photo {
    width: 420px;
    margin-left: 10px;
}

/* 大图 */
.big-pic {
    width: 420px;
    height: 420px;
    border: 1px solid #ddd;
}

.big-pic img {
    width: 100%;
    height: 100%;
}

/* 小图 */
.small-pic {
    width: 90%;
    margin: 10px auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.small-pic img {
    width: 60px;
    height: 60px;
    border: 2px solid #fff;
}

/* 鼠标移入 */
.small-pic img:hover,
.small-pic img.on {
    border: 2px solid #333;
}

.detail-goods {
    flex: 1;
    margin: 0 40px;
}

.goods-tit {
    font-size: 18px;
    line-height: 28px;
}

.goods-row {
    display: flex;
    justify-content: flex-start;
    padding-top: 20px;
    line-height: 30px;
    min-height: 30px;
}

.goods-row .tip {
    font-size: 12px;
    color: #999;
    width: 66px;

}

.goods-row .price {
    color: #FF0036;
    font-size: 24px;
    font-weight: bold;
}

.goods-row .sold {
    height: 16px;
    color: #999;
}

.goods-row .sold span {
    color: #FF0036;
    display: inline-block;
    margin-left: 10px;
}

.sel-box {
    display: flex;
}

.sel-box span {
    font-size: 12px;
    color: #000;
    height: 24px;
    line-height: 24px;
    padding: 0 15px;
    border: 1px solid #ddd;
    margin-right: 10px;
    cursor: pointer;
}

.sel-box span.on {
    border: 2px solid #FF0036;
    position: relative;
}

.sel-box span.on::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 12px;
    height: 12px;
    overflow: hidden;
    display: block;
    background: url(../img/detail/sel.png) no-repeat center center;
}

.num-box {
    display: flex;
    align-items: center;
}

.num {
    border: 1px solid #000;
    width: 60px;
    height: 30px;
    line-height: 30px;
    text-indent: 10px;
    outline: medium;
}

.num-tip {
    font-size: 12px;
    margin-left: 10px;
    color: #898989;
}

.buy-now {
    margin-right: 10px;
    width: 178px;
    background-color: #ffeded;
    border: 1px solid #FF0036;
    color: #FF0036;
    line-height: 38px;
    height: 38px;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
}

.add-car {
    width: 178px;
    height: 38px;
    background: #ff0036;
    border: 1px solid #ff0036;
    color: #fff;
    line-height: 38px;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-car img {
    margin-right: 10px;
}

.serve {
    color: #787878;
    font-size: 12px;
}

.detail-ad {
    margin: 30px;
}

.goods-detail {
    margin: 30px;
}