.top-bg[data-v-7553da9f]{-ms-flex-align:center;-ms-flex-direction:row;-ms-flex-pack:center;-webkit-box-align:center;-webkit-box-direction:normal;-webkit-box-orient:horizontal;-webkit-box-pack:center;align-items:center;background-image:url(../img/topic.f3f65457.jpeg);background-position:50%;background-repeat:no-repeat;background-size:cover;color:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;flex-direction:row;font-size:50px;height:600px;justify-content:center}