.intro-wrap[data-v-e662b7a8]{width:7.5rem}.intro-wrap .intro-img[data-v-e662b7a8]{width:100%;height:auto;vertical-align:middle}.intro-wrap .back[data-v-e662b7a8]{position:fixed;top:1.13rem;left:.26rem;width:.48rem;height:.48rem}