.goodsInfo-box{ height: 100vh; background-color:#F3F5F9 } .goods-info{ background-color:#F3F5F9; overflow: scroll; .footer{ height: 164rpx; width: 100%; background-color: white; position: fixed; bottom: 0; left: 0; z-index: 9; .btn{ width: 404rpx; height: 88rpx; background-color: #CCCCCC; border-radius: 44rpx; text-align: center; line-height: 88rpx; color: white; margin: 0 auto; margin-top: 17rpx; } .btn.active{ background-color:#E84134 } } } .isAll{ background-color: white; height: 100vh; }