/* ===== 서브페이지 공통 스타일 ===== */

/* 브레드크럼 */
.breadcrumb { background: #f1f5f9; padding: 12px 0; }
.breadcrumb ol { display: flex; gap: 8px; list-style: none; font-size: 13px; color: #64748b; }
.breadcrumb ol li::after { content: '>'; margin-left: 8px; }
.breadcrumb ol li:last-child::after { content: ''; }
.breadcrumb ol li a { color: var(--blue); }

/* 서브 히어로 */
.sub-hero { padding: 120px 0 80px; text-align: center; }
.sub-hero .hero-title { font-size: clamp(32px, 4vw, 52px); }

/* 서브 콘텐츠 그리드 */
.sub-content-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
  margin-top: 40px;
}
.sub-text h3 { font-size: 20px; font-weight: 800; margin-bottom: 12px; color: #1e293b; }
.sub-text p { color: #475569; font-size: 15px; line-height: 1.9; margin-bottom: 16px; }

/* 사이드바 카드 */
.sub-sidebar { position: sticky; top: 80px; }
.sub-info-card {
  background: #fff;
  border: 1.5px solid #e2e8f0;
  border-radius: 16px;
  padding: 28px;
}
.sub-info-card h4 { font-size: 16px; font-weight: 800; margin-bottom: 16px; }
.spec-list { display: flex; flex-direction: column; gap: 2px; }
.spec-list li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 14px;
}
.spec-label { color: #64748b; }
.spec-val { font-weight: 700; color: #1e293b; }
.spec-val.blue { color: var(--blue); }
.spec-val.cyan { color: var(--cyan); }

/* 관련 링크 */
.rel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.rel-card {
  background: #fff;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  font-size: 14px;
  color: #334155;
  line-height: 1.6;
  transition: all .2s;
  display: block;
}
.rel-card:hover { border-color: var(--blue); background: #eff6ff; color: var(--blue); }
.rel-card strong { display: block; font-size: 15px; margin-bottom: 4px; color: #1e293b; }
.rel-card:hover strong { color: var(--blue); }

/* 비교 테이블 */
.compare-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.compare-table th { background: #1e293b; color: #fff; padding: 12px 16px; text-align: left; }
.compare-table td { padding: 12px 16px; border-bottom: 1px solid #e2e8f0; color: #334155; }
.compare-table tr:nth-child(even) td { background: #f8faff; }

/* 블로그 아티클 */
.article-hero { padding: 100px 0 60px; background: linear-gradient(135deg,#0a1628,#0d1f3c); text-align: center; }
.article-hero .section-badge { margin-bottom: 16px; }
.article-hero h1 { font-size: clamp(26px,3.5vw,44px); font-weight: 900; color: #fff; line-height: 1.3; margin-bottom: 16px; }
.article-meta { color: rgba(255,255,255,.5); font-size: 13px; margin-top: 12px; }

.article-body { max-width: 760px; margin: 0 auto; padding: 64px 24px; }
.article-body h2 { font-size: 24px; font-weight: 800; margin: 48px 0 16px; color: #1e293b; border-left: 4px solid var(--blue); padding-left: 16px; }
.article-body h3 { font-size: 18px; font-weight: 700; margin: 32px 0 12px; color: #1e293b; }
.article-body p { font-size: 16px; color: #475569; line-height: 1.9; margin-bottom: 16px; }
.article-body ul, .article-body ol { margin: 16px 0 16px 24px; color: #475569; font-size: 15px; line-height: 1.8; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: #1e293b; }
.article-body .highlight-box {
  background: #eff6ff;
  border: 1.5px solid #bfdbfe;
  border-radius: 12px;
  padding: 24px;
  margin: 24px 0;
}
.article-body .highlight-box p { margin: 0; color: #1e40af; }
.article-body .warn-box {
  background: #fff8f0;
  border: 1.5px solid #fbbf24;
  border-radius: 12px;
  padding: 24px;
  margin: 24px 0;
}
.article-cta {
  background: linear-gradient(135deg,#0a1628,#0d1f3c);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  margin-top: 64px;
}
.article-cta h3 { color: #fff; font-size: 22px; margin-bottom: 12px; }
.article-cta p { color: rgba(255,255,255,.7); margin-bottom: 24px; }

/* 블로그 인덱스 */
.blog-hero { padding: 120px 0 60px; background: linear-gradient(135deg,#0a1628,#0d1f3c); text-align: center; }
.blog-index-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
@media (max-width:900px) {
  .blog-index-grid { grid-template-columns:1fr; }
  .rel-grid { grid-template-columns: repeat(2,1fr); }
  .sub-content-grid { grid-template-columns: 1fr; }
  .sub-sidebar { position: static; }
}
@media (max-width:600px) {
  .rel-grid { grid-template-columns: 1fr; }
}