:root{
  /* --standard-font-family:Source Han Sans CN-Medium, Source Han Sans CN, AlibabaPuHuiTi-Light, SimHei, Heiti, sans-serif, system-ui, Helvetica, Tahoma, Arial; */
  --standard-font-family:Source Han Sans CN-Regular, Source Han Sans CN;

  --mobile-width:860px
}
a,
body,
h1,
h2,
h3,
h4,
p,
span {
  font-family: var(--standard-font-family);
}

.button{
    border-style: solid;
    border-radius: 0.2rem;
    border-color: var(--c-border);
    background-color: var(--c-bg-lighter);
    width: fit-content;
    padding: 0.5rem 2rem;
}