```css
.nutrition-article {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1f2937;
  line-height: 1.7;
}

.article-hero {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
  border-radius: 24px;
  padding: 32px;
  margin-bottom: 28px;
  border: 1px solid #fed7aa;
}

.article-badge {
  display: inline-block;
  background: #f97316;
  color: white;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.article-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
}

.article-hero p {
  margin: 0;
  font-size: 1.1rem;
  max-width: 720px;
}

.article-summary {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 20px;
  padding: 22px;
  margin-bottom: 32px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.04);
}

.article-summary h2 {
  margin-top: 0;
  font-size: 1.3rem;
}

.article-summary ul {
  padding-left: 18px;
  margin-bottom: 0;
}

.article-summary a {
  color: #ea580c;
  font-weight: 700;
  text-decoration: none;
}

.article-summary a:hover {
  text-decoration: underline;
}

.article-section {
  margin-bottom: 42px;
  scroll-margin-top: 90px;
}

.article-section h2 {
  font-size: 1.8rem;
  margin-bottom: 14px;
  color: #111827;
}

.article-section h3 {
  margin-top: 0;
}

.info-box,
.example-card,
.calorie-highlight {
  border-radius: 18px;
  padding: 20px;
  margin: 20px 0;
}

.info-box {
  background: #eff6ff;
  border-left: 5px solid #2563eb;
}

.example-card {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
}

.calorie-highlight {
  background: #111827;
  color: white;
  text-align: center;
}

.calorie-highlight span {
  display: block;
  font-size: 0.95rem;
  opacity: 0.8;
}

.calorie-highlight strong {
  display: block;
  font-size: 2rem;
  margin-top: 6px;
}

.fat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.fat-card {
  border-radius: 20px;
  padding: 22px;
}

.fat-card.good {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
}

.fat-card.bad {
  background: #fef2f2;
  border: 1px solid #fecaca;
}

.tips-list {
  display: grid;
  gap: 14px;
}

.tip-item {
  display: flex;
  gap: 14px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 18px;
}

.tip-item span {
  min-width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #f97316;
  color: white;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.tip-item p {
  margin: 0;
}

.conclusion {
  background: #f8fafc;
  border-radius: 24px;
  padding: 28px;
  border: 1px solid #e5e7eb;
}

@media (max-width: 700px) {
  .nutrition-article {
    padding: 16px;
  }

  .article-hero {
    padding: 24px;
  }

  .fat-grid {
    grid-template-columns: 1fr;
  }

  .tip-item {
    align-items: flex-start;
  }
}
```