.article-page .wrap {
  max-width: 54rem;
  margin: 0 auto;
  padding: 0 1.2rem;
}

.hero {
  padding: 2.2rem 0 1.1rem;
}

.article-page h1 {
  margin: 0 0 0.95rem;
  font-size: clamp(1.65rem, 3.5vw, 2.4rem);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: #0f172a;
}

.meta {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.meta time {
  color: #475569;
}

.article-page p {
  margin: 0 0 1.1rem;
  color: #334155;
}

.article-page h2 {
  margin: 2.45rem 0 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
  font-size: 1.34rem;
  color: #0f172a;
}

.article-page h3 {
  margin: 1.55rem 0 0.75rem;
  font-size: 1.08rem;
  color: #0f172a;
}

.article-page ul,
.article-page ol {
  margin: 0 0 1.1rem;
  padding-left: 1.25rem;
  color: #334155;
}

.article-page li {
  margin: 0.45rem 0;
}

.article-page strong {
  color: #0f172a;
}

.toc {
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  margin: 1rem 0 2rem;
}

.toc p {
  margin: 0 0 0.35rem;
  font-weight: 700;
  color: #0f172a;
}

.toc ol {
  margin: 0;
  padding-left: 1.15rem;
}

.toc a {
  color: #2563eb;
}

.toc a:hover {
  color: #1d4ed8;
}

.tip {
  margin: 1.2rem 0;
  background: #eff6ff;
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-left: 3px solid #2563eb;
  border-radius: 12px;
  padding: 0.95rem 1rem;
  color: #334155;
}

.article-footer {
  margin-top: 2.6rem;
  padding: 1.2rem 0 0.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  color: var(--muted);
  font-size: 0.86rem;
}