/* ===== Article Detail Styles ===== */

.article-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: end;
  color: white;
  overflow: hidden;
}

.article-hero .hero-bg,
.article-hero .hero-overlay {
  position: absolute;
  inset: 0;
}

.article-hero .hero-bg {
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
}

.article-hero .hero-overlay {
  background: linear-gradient(135deg, rgba(15, 17, 31, 0.82), rgba(44, 95, 124, 0.46), rgba(196, 30, 58, 0.22));
}

.article-hero-content {
  position: relative;
  z-index: 1;
  padding-top: 7rem;
  padding-bottom: 4rem;
}

.article-category {
  display: inline-flex;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  margin-bottom: 1rem;
}

.article-hero-content h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 1rem;
  max-width: 920px;
}

.article-hero-content p {
  max-width: 780px;
  color: rgba(255,255,255,0.9);
  line-height: 1.9;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.4rem;
  color: rgba(255,255,255,0.8);
  font-size: 0.92rem;
}

.article-shell {
  background: linear-gradient(180deg, white, var(--color-gray-100));
}

.article-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.article-main {
  min-width: 0;
}

.article-main,
.article-card {
  width: 100%;
}

.article-layout:not(:has(.article-aside)) {
  grid-template-columns: minmax(0, 1fr);
}

.article-layout:not(:has(.article-aside)) .article-main {
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
}

.article-aside {
  position: sticky;
  top: 90px;
  display: grid;
  gap: 1rem;
}

.toc-card,
.info-card,
.article-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.toc-card,
.info-card {
  padding: 1.2rem;
}

.toc-card h3,
.info-card h3 {
  margin-bottom: 0.9rem;
  color: var(--color-dark);
}

#article-toc,
#article-facts,
.toc-card,
.info-card ul {
  display: grid;
  gap: 0.7rem;
}

#article-toc a,
.toc-card a {
  color: var(--color-primary);
  line-height: 1.6;
}

#article-toc a:hover,
.toc-card a:hover {
  color: var(--color-red);
}

#article-facts li,
.info-card li {
  color: var(--color-gray-700);
  line-height: 1.7;
}

.article-card {
  padding: 2rem;
}

.lead-box {
  padding: 1.2rem 1.3rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.06), rgba(212, 168, 83, 0.1));
  border-left: 4px solid var(--color-red);
  color: var(--color-gray-700);
  line-height: 1.9;
  margin-bottom: 2rem;
}

.article-card section {
  margin-bottom: 2.3rem;
}

.article-card h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.article-card h3 {
  font-size: 1.15rem;
  color: var(--color-dark);
  margin-bottom: 0.65rem;
}

.article-card p,
.article-card li,
.article-card blockquote,
.tip-item span {
  color: var(--color-gray-700);
  line-height: 1.95;
}

.article-card p {
  margin-bottom: 1rem;
}

.article-card ul,
.article-card ol {
  list-style: disc;
  padding-left: 1.3rem;
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.article-card ol {
  list-style: decimal;
}

.article-card blockquote {
  margin: 1rem 0;
  padding: 1rem 1.2rem;
  background: var(--color-gray-100);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius-md);
}

.article-card img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: 1rem 0 1.2rem;
}

.tip-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.tip-item {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(44, 95, 124, 0.06);
}

.tip-item strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--color-dark);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.4rem;
}

.related-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  background: linear-gradient(180deg, #ffffff 0%, #fffaf2 100%);
  border: 1px solid rgba(212, 168, 83, 0.22);
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(72, 36, 18, 0.08);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.related-card::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 1px solid rgba(212, 168, 83, 0.28);
  border-radius: 10px;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 3;
}

.related-card:hover {
  box-shadow: 0 22px 44px rgba(72, 36, 18, 0.18);
  border-color: rgba(196, 30, 58, 0.32);
}

.related-card:hover::after { opacity: 0.7; }

.related-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
  position: relative;
}

.related-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.18));
}

.related-body {
  padding: 1rem 1.1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.related-body .tag {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.22rem 0.66rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.18), rgba(212, 168, 83, 0.06));
  color: var(--color-red-dark);
  border: 1px solid rgba(212, 168, 83, 0.32);
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  letter-spacing: 0.04em;
}

.related-body h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-dark);
  line-height: 1.45;
  margin-bottom: 0.25rem;
  letter-spacing: 0.02em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-body p {
  color: var(--color-gray-700);
  line-height: 1.6;
  font-size: 0.85rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 540px) {
  .related-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ===== 新增样式：口语化文章增强 ===== */

.highlight-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.2rem;
  margin-top: 1rem;
  border-left: 4px solid var(--color-primary);
}

.highlight-card h3 {
  margin-bottom: 0.9rem;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.highlight-card h3 i {
  color: var(--color-primary);
}

.highlight-card ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 0.7rem;
}

.highlight-card li {
  color: var(--color-gray-700);
  line-height: 1.7;
  padding-left: 1.5rem;
  position: relative;
}

.highlight-card li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.experience-box {
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.08), rgba(44, 95, 124, 0.06));
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-left: 4px solid var(--color-gold);
}

.experience-box h4 {
  color: var(--color-dark);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.experience-box h4 i {
  color: var(--color-gold);
}

.timeline-box {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border: 1px solid var(--color-gray-200);
}

.timeline-box h4 {
  color: var(--color-dark);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-box h4 i {
  color: var(--color-primary);
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.timeline-item:hover {
  background: var(--color-gray-100);
}

.timeline-item .time {
  font-weight: 600;
  color: var(--color-primary);
  min-width: 90px;
}

.timeline-item .activity {
  color: var(--color-gray-700);
  flex: 1;
}

.personal-quote {
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.05), rgba(44, 95, 124, 0.08));
  border-left: 4px solid var(--color-red);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.personal-quote p {
  font-style: italic;
  color: var(--color-gray-800);
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.personal-quote cite {
  display: block;
  text-align: right;
  color: var(--color-gray-600);
  font-size: 0.9rem;
  font-style: normal;
}

.comparison-box {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border: 1px solid var(--color-gray-200);
}

.comparison-box h4 {
  color: var(--color-dark);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comparison-box h4 i {
  color: var(--color-primary);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.comparison-item {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: var(--color-gray-50);
}

.comparison-item h5 {
  color: var(--color-dark);
  margin-bottom: 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-primary);
}

.comparison-item ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 0.5rem;
}

.comparison-item li {
  color: var(--color-gray-700);
  line-height: 1.6;
  padding-left: 1.2rem;
  position: relative;
}

.comparison-item li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.option-box {
  background: linear-gradient(135deg, rgba(44, 95, 124, 0.06), rgba(212, 168, 83, 0.08));
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-left: 4px solid var(--color-primary);
}

.option-box h4 {
  color: var(--color-dark);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.option-box h4 i {
  color: var(--color-primary);
}

.option-box p {
  margin-bottom: 0.5rem;
}

.option-box strong {
  color: var(--color-dark);
}

.mini-tips {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-gray-200);
}

.mini-tips span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-gray-700);
  font-size: 0.9rem;
  line-height: 1.5;
}

.mini-tips span i {
  color: var(--color-primary);
  font-size: 0.8rem;
}

.tips-container {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.tip-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  border: 1px solid var(--color-gray-200);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.tip-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.tip-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-red));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.tip-card h4 {
  color: var(--color-dark);
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.tip-card ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 0.6rem;
}

.tip-card li {
  color: var(--color-gray-700);
  line-height: 1.6;
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.95rem;
}

.tip-card li:before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.closing-box {
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.1), rgba(196, 30, 58, 0.05));
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
  text-align: center;
  border: 2px solid var(--color-gold);
}

.closing-box h4 {
  color: var(--color-dark);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.closing-box h4 i {
  color: var(--color-gold);
}

.closing-box p {
  color: var(--color-gray-700);
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto 1rem;
}

/* ===== 新增样式：牛肉火锅文章专用 ===== */

.step-box {
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.05), rgba(44, 95, 124, 0.08));
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border-left: 4px solid var(--color-red);
}

.step-box h4 {
  color: var(--color-dark);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.step-box h4 i {
  color: var(--color-red);
}

.step-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-gray-200);
}

.step-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.step-number {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-red));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h5 {
  color: var(--color-dark);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.step-content p {
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.step-content strong {
  color: var(--color-dark);
}

.warning-box {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.08));
  border-radius: var(--radius-md);
  padding: 1.2rem;
  margin: 1.5rem 0;
  border-left: 4px solid #ff9800;
}

.warning-box h4 {
  color: #e65100;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.warning-box h4 i {
  color: #ff9800;
}

.warning-box p {
  color: var(--color-gray-700);
  line-height: 1.7;
}

.formula-box {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border: 1px solid var(--color-gray-200);
}

.formula-box h4 {
  color: var(--color-dark);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.formula-box h4 i {
  color: var(--color-primary);
}

.formula-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.5rem 0;
}

.formula-step {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1.2rem;
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  flex: 1;
  min-width: 200px;
}

.formula-step .step {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
}

.formula-step .desc {
  color: var(--color-gray-700);
  font-size: 0.95rem;
}

.formula-note {
  color: var(--color-gray-600);
  font-style: italic;
  font-size: 0.9rem;
  text-align: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-gray-200);
}

.mistakes-container {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.mistake-card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  border: 1px solid var(--color-gray-200);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.mistake-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.mistake-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #ff5252, #ff4081);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.mistake-card h4 {
  color: var(--color-dark);
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.mistake-card p {
  color: var(--color-gray-700);
  line-height: 1.6;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .comparison-grid,
  .tips-container,
  .mistakes-container {
    grid-template-columns: 1fr;
  }
  
  .tip-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .timeline-item .time {
    min-width: auto;
  }
  
  .formula-step {
    min-width: 100%;
  }
  
  .step-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }
  
  .step-number {
    align-self: flex-start;
  }
}

  .article-layout:not(:has(.article-aside)) .article-main {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .article-hero {
    min-height: auto;
  }

  .article-hero-content {
    padding-top: 6.5rem;
    padding-bottom: 3rem;
  }

  .article-aside,
  .tip-grid {
    grid-template-columns: 1fr;
  }

  .article-card,
  .toc-card,
  .info-card {
    padding: 1.2rem;
  }
}