1.改变滚动条的样式 .orderList::-webkit-scrollbar {/*滚动条整体样式*/ width: 4px; /*高宽分别对应横竖滚动条的尺寸*/ height: 4px;}.orderList::-webkit-scrollbar-thumb {/*滚动条里面小方块*/ border-radius: 5px; -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.2); background: rgba(0,0,0,0.2);}.o