摘要：
.text_selected::after { position: absolute; content: ''; width: 20%; border-bottom: 6rpx solid #007C7F; left: 0; right: 0; bottom: 10rpx; margin: 0 au 阅读全文
摘要：
<button class="border {{ isRed?'red':'green' }}">按钮</button> 阅读全文