.scan-container { background: #FFF; } .scan-container .bottom { position: relative; width: 100%; } .scan-container .bottom .scan-box { display: flex; flex-direction: column; justify-content: center; align-items: center; width: 100%; } .scan-container .bottom .scan-box .scan-icon { width: 234rpx; height: 234rpx; background-image: url('https://gw.alipayobjects.com/mdn/rms_091500/afts/img/A*F-X7Q5ftuwAAAAAAAAAAAAAAARQnAQ'); background-size: 100% 100%; } .scan-container .bottom .scan-box .scan-desc { margin-top: 24.5rpx; font-size: 34rpx; font-weight: 600; color: #333; line-height: 48rpx; letter-spacing: 0.55rpx; }