.content-layout {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) 280px;
  margin: 42px auto 0;
  max-width: 1180px;
  width: calc(100% - 36px);
}

.article-center-links {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 28px;
}

.article-center-links a {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 10px;
  padding: 18px;
  transition: box-shadow .2s;
}
.article-center-links a:hover { box-shadow: 0 4px 16px rgba(0,0,0,.06); }

.article-center-links strong {
  color: var(--blue-dark);
  font-size: 16px;
}

.article-center-links span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.article-list {
  display: grid;
  gap: 0;
}

.article-list a {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 18px;
  padding: 18px 0;
  transition: background .15s;
}
.article-list a:hover { background: #fff; }
.article-list a:last-child { border-bottom: none; }

.article-list a h2 {
  color: var(--foreground);
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 6px;
}

.article-list a p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 6px;
}

.article-list a span {
  color: var(--blue);
  font-size: 13px;
}

/* Article Detail */
.article-detail-layout {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) 320px;
  margin: 42px auto 0;
  max-width: 1180px;
  width: calc(100% - 36px);
}

.article-detail {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 34px;
}

.article-detail h1 {
  color: var(--foreground);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.2;
  margin: 18px 0 14px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}
.article-meta span {
  background: #edf3fb;
  border-radius: 4px;
  color: var(--blue-dark);
  font-size: 13px;
  padding: 4px 10px;
}

.article-summary {
  background: #f6f8fb;
  border-left: 5px solid var(--blue);
  color: #344157;
  line-height: 1.85;
  margin: 0 0 18px;
  padding: 18px;
}

.article-body {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
.article-body p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
  margin: 0;
}

.article-side {
  display: grid;
  gap: 18px;
}

.related-box {
  border-top: 1px solid var(--line);
  margin-top: 30px;
  padding-top: 22px;
}
.related-box h2 {
  color: var(--blue-dark);
  margin: 0 0 14px;
}
.related-box div {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, 1fr);
}
.related-box a {
  background: #f6f8fb;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--blue-dark);
  font-weight: 700;
  line-height: 1.55;
  padding: 14px;
}
.related-box a:hover { color: var(--blue); }

@media (max-width: 1000px) {
  .content-layout,
  .article-detail-layout { grid-template-columns: 1fr; }
  .article-center-links { grid-template-columns: repeat(2, 1fr); }
  .article-side { position: static; }
}

@media (max-width: 620px) {
  .article-center-links { grid-template-columns: 1fr; }
  .article-list a { flex-direction: column; }
  .related-box div { grid-template-columns: 1fr; }
  .article-detail { padding: 20px; }
}