.art-hero {
  padding: clamp(120px, 15vw, 190px) 0;
  display: flex;
  align-items: center;
}

.art-hero-inner { max-width: 760px; }

.art-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: rgba(250, 248, 244, 0.75);
}

.art-breadcrumb a { color: #d9c49a; }
.art-breadcrumb i { font-size: 0.6rem; }

.art-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 24px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(250, 248, 244, 0.8);
}

.art-meta i { color: #d9c49a; margin-right: 6px; }

.art-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: clamp(32px, 5vw, 72px);
}

.art-aside { position: relative; }

.art-toc {
  position: sticky;
  top: 110px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.art-toc h5 { margin: 0; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-deep); }

.art-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.art-toc ol li {
  counter-increment: toc;
  font-size: 0.86rem;
  line-height: 1.45;
}

.art-toc ol li::before {
  content: counter(toc, decimal-leading-zero);
  font-weight: 800;
  color: var(--gold);
  margin-right: 8px;
  font-size: 0.72rem;
}

.art-share { border-top: 1px solid var(--line); padding-top: 16px; }

.art-content { max-width: 720px; }

.art-content p {
  font-size: 1.02rem;
  line-height: 1.85;
  margin: 0 0 22px;
  color: var(--ink-soft);
}

.art-content .art-intro {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--ink);
}

.art-content h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin: 44px 0 18px;
  scroll-margin-top: 110px;
}

.art-figure {
  margin: 32px 0;
  aspect-ratio: 16 / 9;
}

.art-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.art-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.95rem;
  line-height: 1.6;
}

.art-list i { color: var(--gold-deep); margin-top: 4px; }

.art-quote {
  background: var(--sand);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 28px 32px;
  margin: 36px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.art-quote > i { color: var(--gold); font-size: 1.4rem; }
.art-quote p { font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: var(--ink); margin: 0; }
.art-quote cite { font-size: 0.8rem; color: var(--ink-faint); font-style: normal; }

.art-tips {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 28px 0;
}

.art-tip {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}

.art-tip-num {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--gold);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
}

.art-tip p { margin: 0; font-size: 0.92rem; }

.art-rel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.art-rel .card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
}

.art-rel h4 { margin: 0; }

.faq-grid { max-width: 860px; margin: 0 auto; }

.cta-inner { text-align: center; max-width: 760px; }
.cta-inner .hero-actions { display: flex; gap: 16px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }

@media (max-width: 1080px) {
  .art-grid { grid-template-columns: 1fr; }
  .art-toc { position: static; }
  .art-rel-grid { grid-template-columns: 1fr; }
}