.top[data-v-7858ae42]{position:relative;width:100%;height:46.928571rem;background:url(../img/top_bg.a81ec7b1.png) no-repeat 50%;background-size:cover}.top .btn[data-v-7858ae42]{width:25rem;height:4.285714rem;font-size:1.857143rem;font-family:Source Han Sans CN;font-weight:600;color:#fff;line-height:4.285714rem;text-align:center;background-color:#3d8afe;border-radius:2.142857rem;position:absolute;left:27.428571rem;top:30rem}