/* 自定义样式 */

body {
    background-color: #ffffff;
}
.img-16x9{ aspect-ratio: 16 / 9; }
article img, .article img{ max-width: calc(100% - 20px); }
.arrow-up, .arrow-up:hover, .arrow-up:focus {
  background-color: var(--arrow-up-bg, #007bff);
  color: #ffffff;
}

* {
    font-family: -apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC","WenQuanYi Micro Hei","MiSans L3",sans-serif;
}

.logo {
  max-height: 50px;
}

article p, .article-list p.card-text {
  text-indent: 2em;
  margin-bottom: 1em;
  margin-top: 1em;
  line-height: 1.8;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "»";
}

.footer-image {
  max-height: 50px;
}