kabao/mch/shop-cat/shop-cat.wxss

.cat-item { height: 100rpx; line-height: 100rpx; padding: 0 24rpx; background: #fff; position: relative; }
.cat-item::after{ content: " "; display: block; position: absolute; bottom: 0; left: 24rpx; right: 0; height: 0; border-bottom: 1rpx solid #e3e3e3; }
.cat-item .pointer{ width: 12rpx; height: 22rpx; }
.sub-cat-list{ background: #fff; overflow: hidden; margin: -3rpx -3rpx; }
.sub-cat-item{ background: #eee; width: 376rpx; display: inline-block; float: left; margin: 3rpx; height: 100rpx; line-height: 100rpx; padding: 0 24rpx; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cat-item.active, .sub-cat-item.active{ color: #ff4544; }