/* 公共样式 */
  button {
    outline: none;
    border: none;
    background: none;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    /* word-spacing: -12px; */
}
html,body{
    background: #fff;
    /* font-family: 'HarmonyOS Sans SC'; */
}
body{
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: 100%;
}
.page_main{
    margin:initial
}