/* 帮助中心 — 延续推广首页视觉变量 */
.hc-root .hc-top { gap: 16px; }
.hc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  flex: 1;
  justify-content: center;
}
.hc-nav-link {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--lp-text-muted);
  border: 1px solid transparent;
}
.hc-nav-link:hover,
.hc-nav-link.is-active {
  color: var(--lp-accent);
  border-color: var(--lp-card-border);
  background: var(--lp-card);
}
.hc-main {
  max-width: var(--lp-max);
  margin: 0 auto;
  padding: 24px 20px 64px;
}
.hc-head {
  margin-bottom: 28px;
  text-align: center;
}
.hc-head h1 {
  font-size: 28px;
  margin: 0 0 16px;
  color: var(--lp-heading);
}
.hc-search {
  display: flex;
  gap: 8px;
  max-width: 520px;
  margin: 0 auto;
  justify-content: center;
}
.hc-search .layui-input { flex: 1; }
.hc-sec-title {
  font-size: 18px;
  margin: 0 0 12px;
  color: var(--lp-heading);
}
.hc-faq {
  margin-bottom: 32px;
  padding: 20px;
  border-radius: var(--lp-radius);
  background: var(--lp-card);
  border: 1px solid var(--lp-card-border);
}
.hc-grid { margin-top: 8px; }
.hc-card .hc-meta {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--lp-text-muted);
}
.hc-empty {
  text-align: center;
  color: var(--lp-text-muted);
  padding: 48px 16px;
}
.hc-pager {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
}
.hc-pager-info { font-size: 13px; color: var(--lp-text-muted); }
.hc-article-page { max-width: 760px; }
.hc-article {
  padding: 28px 24px 40px;
  border-radius: var(--lp-radius);
  background: var(--lp-card);
  border: 1px solid var(--lp-card-border);
}
.hc-article-head h1 {
  font-size: 28px;
  margin: 8px 0 12px;
  color: var(--lp-heading);
}
.hc-article-summary {
  color: var(--lp-text-muted);
  line-height: 1.7;
}
.hc-article-cover {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  border-radius: 12px;
  margin: 20px 0;
  background: rgba(0,0,0,0.03);
}
.hc-article-body {
  line-height: 1.75;
  color: var(--lp-text);
  font-size: 15px;
}
.hc-article-body h2,
.hc-article-body h3,
.hc-article-body h4 {
  color: var(--lp-heading);
  margin: 1.4em 0 0.6em;
}
.hc-article-body p { margin: 0 0 1em; }
.hc-article-body ul,
.hc-article-body ol { margin: 0 0 1em 1.4em; }
.hc-article-body pre,
.hc-article-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(0,0,0,0.05);
  border-radius: 6px;
}
.hc-article-body pre {
  padding: 12px 14px;
  overflow: auto;
}
.hc-article-body code { padding: 2px 6px; }
.hc-article-body img {
  max-width: 100%;
  border-radius: 10px;
}
.hc-article-body a { color: var(--lp-accent); }

@media (max-width: 960px) {
  .lp-help-grid, .hc-grid { grid-template-columns: 1fr 1fr; }
  .lp-hero-has-image .lp-hero-inner { grid-template-columns: 1fr; }
  .hc-nav { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .lp-help-grid, .hc-grid { grid-template-columns: 1fr; }
}