2 .comment1{ 3 background-color: #F7F7F7; 4 margin: 0; 5 padding:16rpx 24rpx; 6 width:100%; /* height: 92rpx;*/ 8 display:flex; 9 justify-content:space-between; 10 align-items: center; 13 /* padding和border被包含在定义的width和height之内。盒子的实际宽度=设置的width(padding和 14 box-sizing:border-box; 15 font-family: PingFangSC-Regular, PingFang SC; 16 font-size: 32rpx; transition: all 2s inherit; 18 overflow: hidden; 19 1*设置为固定定位 */ 20 position: fixed; 21 left: 0 22 z-index:101; }