.articles-hero {
  min-height: min(560px, 72vh);
}

.articles-shell {
  padding: 24px clamp(18px, 4vw, 48px) 72px;
}

.articles-state {
  padding: 28px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
}

.articles-layout {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: 22px;
}

.article-list {
  display: grid;
  gap: 16px;
}

.article-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  cursor: pointer;
}

.article-card.is-active {
  border-color: var(--blue);
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.12);
}

.detail-cover {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(98, 86, 232, 0.18));
}

.article-body,
.detail-body {
  padding: 18px;
}

.article-meta,
.detail-meta {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-body h2,
.detail-body h2 {
  margin: 10px 0 12px;
  letter-spacing: -0.045em;
}

.article-body p,
.detail-summary {
  color: var(--muted);
  line-height: 1.7;
}

.detail-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}

.detail-body h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.detail-summary {
  font-size: 1.04rem;
}

.detail-back {
  display: none;
  margin-bottom: 16px;
  color: var(--blue);
  font-weight: 750;
}

.markdown {
  margin-top: 24px;
}

.markdown h1,
.markdown h2,
.markdown h3 {
  margin: 30px 0 12px;
  letter-spacing: -0.03em;
}

.markdown p,
.markdown li {
  color: var(--ink-soft);
  line-height: 1.82;
}

.markdown ul {
  padding-left: 20px;
}

@media (max-width: 900px) {
  .articles-layout {
    grid-template-columns: 1fr;
  }

  .detail-panel.is-detail-only .detail-back {
    display: inline-flex;
  }

  .articles-shell {
    padding-inline: 18px;
  }
}