.article-cover { display: block; max-width: 100%; max-height: 480px; object-fit: contain; margin: 24px auto; }
.reading-column { overflow-wrap: anywhere; }
.site-header .nav-login { white-space: nowrap; }
@media (max-width: 1000px) {
  .site-header .nav-login { display: inline-flex; }
}