
.line-jumen{ left: 8.8rem; top: 3.23rem; width: 1.82485rem; //这里宽度显示正常 opacity: 0; transform: rotate(202deg); animation: linejumen 20s linear; @keyframes linejumen { 0%{ opacity: 0; width: 0; } 59%{ opacity: 1; width: 0; } 60%{ opacity: 1; width: 1.82485rem;//这里显示会比上面的宽度窄许多 } 100%{} } } 同样的长度单位,为什么会这样?