.top-box[data-v-0a229e4b]{width:100%;height:40px}.mian-box[data-v-0a229e4b]{height:calc(80vh - 200px);width:100%}.bts-box[data-v-0a229e4b]{position:absolute;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%)}