.site-search-submit { border: 0; background: transparent; padding: 0; }
.hero-stat { display: flex; flex-direction: column; }
.category-card, .article-card { color: inherit; }
.site-footer {
  max-width: 1120px; margin: 0 auto; padding: 28px 20px 36px;
  border-top: 1px solid var(--border); color: var(--text-3); font-size: 13px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.site-footer a:hover, .site-interaction-tip a { color: var(--primary); }
.site-interaction-tip { margin-top: 18px; text-align: right; font-size: 13px; }
.site-comment-login {
  margin-bottom: 18px; padding: 14px 16px; border-radius: var(--radius);
  background: var(--bg-soft); color: var(--text-2); font-size: 14px; text-align: center;
}
.site-comment-login a { color: var(--primary); font-weight: 700; }
.site-reply-trigger {
  margin-top: 5px; padding: 2px 6px; border: 0; border-radius: 6px;
  background: transparent; color: var(--primary); font-size: 12px; cursor: pointer;
}
.site-reply-trigger:hover { background: var(--bg-soft); }
.site-reply-form[hidden] { display: none; }
.comment-section { scroll-margin-top: 88px; }
.site-error-page { min-height: calc(100vh - 180px); display: grid; place-items: center; }
.site-error-page .content-card { width: min(100%, 560px); text-align: center; padding: 54px 28px; }
.site-error-page h1 { margin-bottom: 10px; font-size: 28px; }
.site-error-page p { color: var(--text-2); margin-bottom: 24px; }
.site-error-code { font-size: 64px; line-height: 1; font-weight: 900; color: var(--primary); margin-bottom: 18px; }
.site-toast {
  position: fixed; z-index: 300; left: 50%; bottom: 30px; transform: translateX(-50%);
  min-width: 160px; max-width: calc(100vw - 32px); padding: 11px 18px; border-radius: 10px;
  background: #0f172a; color: #fff; text-align: center; font-size: 14px;
  box-shadow: var(--shadow-lg);
}
.site-toast.error { background: #b91c1c; }
.site-toast[hidden] { display: none; }
@media (max-width: 720px) {
  .header-actions { margin-left: auto; }
  .site-footer { padding-inline: 14px; }
}