/* ============================================================
 * VIETNER Blog CSS — K-Series 표준 v7 (베트너 검증 톤 100%)
 * ============================================================
 * 베트너 표준 톤:
 *  - 골드: #C9A96E (gold) / #E8D5A8 (light) / #F1D27A (bright)
 *  - 배경: #111 / #191919 / #222
 *  - 글래스카드: bg + 1px gold border + 12px radius + 24px padding
 *  - 호버: translateY(-3px) + shadow 0 10px 32px + border 강화
 *  - 그라데이션 골드: 135deg #C9A96E → #E8D5A8 → #C9A96E
 *  - transition: 0.25s
 *
 * 캐시: ?v=20260603a
 * ============================================================ */

:root{
  /* 베트너 표준 컬러 (global.css 동기) */
  --bg-primary:#111111;
  --bg-secondary:#191919;
  --bg-tertiary:#222222;
  --gold:#C9A96E;
  --gold-light:#E8D5A8;
  --gold-bright:#F1D27A;
  --gold-deep:#A88B52;
  --v-gold-04:rgba(201,169,110,.04);
  --v-gold-08:rgba(201,169,110,.08);
  --v-gold-10:rgba(201,169,110,.10);
  --v-gold-15:rgba(201,169,110,.15);
  --v-gold-20:rgba(201,169,110,.20);
  --v-gold-30:rgba(201,169,110,.30);
  --v-gold-45:rgba(201,169,110,.45);
  --border-color:rgba(201,169,110,.15);
  --border-strong:rgba(201,169,110,.30);
  --text-primary:#F0EDE6;
  --text-secondary:rgba(240,237,230,.62);
  --text-mute:rgba(240,237,230,.42);
  --radius-md:8px;
  --radius-lg:12px;
  --radius-xl:16px;
  --radius-full:999px;
  --shadow-sm:0 4px 12px rgba(0,0,0,.3);
  --shadow-md:0 8px 24px rgba(0,0,0,.4);
  --shadow-lg:0 10px 32px rgba(0,0,0,.35);
  --shadow-xl:0 16px 48px rgba(0,0,0,.5);
  --shadow-gold:0 8px 24px var(--v-gold-30);
  --grad-gold:linear-gradient(135deg,#C9A96E,#E8D5A8,#C9A96E);
  --grad-gold-2:linear-gradient(135deg,var(--gold),var(--gold-light));
  --grad-vignette:radial-gradient(ellipse at top,var(--v-gold-08),transparent 70%);
  --spring:cubic-bezier(0.16, 1, 0.3, 1);
}

html{scroll-behavior:smooth}

/* ===== Skip-link ===== */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--gold);color:#111;padding:10px 18px;z-index:9999;text-decoration:none;border-radius:6px;font-weight:700}
.skip-link:focus{left:12px;top:12px}

/* ===== AEO 추출용 마크업 ===== */
.arp-hidden{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

/* ===== 본문 컨테이너 ===== */
.blog-article{
  max-width:820px;margin:0 auto;padding:48px 24px 96px;
  color:var(--text-primary);
  font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  font-size:17px;line-height:1.85;letter-spacing:-.005em;
  word-break:keep-all;overflow-wrap:break-word;
  font-variant-numeric:tabular-nums;
  counter-reset:venue;
  background:var(--grad-vignette);
}
.blog-article h1,.blog-article h2,.blog-article h3,.blog-article h4{color:var(--text-primary);line-height:1.35;letter-spacing:-.018em;text-wrap:balance}
.blog-article p{font-variant-numeric:proportional-nums}
.blog-article a{color:var(--gold-light);text-decoration:none;border-bottom:1px solid var(--v-gold-30);transition:border-color .25s,color .25s}
.blog-article a:hover{color:var(--gold-bright);border-bottom-color:var(--gold)}
.blog-article strong{color:#fff;font-weight:600}

/* ===== Breadcrumb ===== */
.breadcrumb{font-size:12.5px;color:var(--text-mute);margin-bottom:32px;line-height:1.6;letter-spacing:.05em;font-weight:600;text-transform:uppercase}
.breadcrumb a{color:var(--text-mute);border:none}
.breadcrumb a:hover{color:var(--gold-light)}

/* ===== Article Header (그라데이션 골드 텍스트) ===== */
.article-header{margin-bottom:52px;padding-bottom:36px;border-bottom:1px solid var(--border-color);position:relative}
.article-header::after{content:"";position:absolute;left:0;bottom:-1px;width:96px;height:2px;background:linear-gradient(90deg,var(--gold),transparent);box-shadow:0 0 14px var(--v-gold-30)}
.article-header h1{
  font-size:34px;margin:0 0 22px 0;line-height:1.28;font-weight:800;letter-spacing:-.028em;
  background:var(--grad-gold);background-size:200% auto;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.article-meta{font-size:12px;color:var(--text-mute);display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-weight:600;letter-spacing:.03em}
.article-meta time,.article-meta span,.article-meta a{padding:6px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-full);color:var(--text-secondary);text-transform:uppercase}

/* ===== Hero Image ===== */
.hero-image{width:100%;height:auto;border-radius:var(--radius-xl);margin:36px 0;display:block;box-shadow:var(--shadow-xl);border:1px solid var(--border-color)}

/* ===== Intro Prose (글래스카드 + 좌측 골드 라인) ===== */
.intro-prose{
  position:relative;
  font-size:17.5px;line-height:1.92;color:var(--text-primary);
  margin:36px 0;padding:28px 32px;
  background:var(--bg-secondary);
  border:1px solid var(--border-color);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);
}
.intro-prose::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;background:var(--grad-gold-2);border-radius:0 3px 3px 0;box-shadow:0 0 12px var(--v-gold-30)}
.intro-prose p{margin:0 0 14px 0;padding-left:18px}
.intro-prose p:last-child{margin-bottom:0}
.intro-prose strong{color:var(--gold-light);font-weight:700}

/* ===== Verification Report (베트너 글래스카드 + VERIFIED 배지) ===== */
.verification-report{
  position:relative;
  background:linear-gradient(135deg,var(--v-gold-10),var(--v-gold-04));
  border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);padding:28px 32px;margin:40px 0;
  box-shadow:var(--shadow-md),var(--shadow-gold);
  overflow:hidden;
}
.verification-report::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.verification-report::after{
  content:"VERIFIED";position:absolute;top:24px;right:32px;
  font-size:10px;color:var(--gold);font-weight:800;letter-spacing:.2em;
  padding:4px 10px;background:var(--v-gold-10);border:1px solid var(--border-strong);border-radius:var(--radius-full);
}
.verification-report h2{
  color:var(--gold-light);font-size:13px;margin:0 0 18px 0;font-weight:700;
  border:none;padding:0;background:none;letter-spacing:.16em;text-transform:uppercase;
  display:flex;align-items:center;gap:12px;
}
.verification-report h2::before{content:"";display:inline-block;width:6px;height:6px;background:var(--gold);border-radius:50%;box-shadow:0 0 14px var(--gold)}
.verification-report ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.verification-report li{
  position:relative;margin:0;color:var(--text-primary);font-size:15px;line-height:1.72;font-weight:400;
  padding:11px 14px 11px 40px;background:var(--bg-secondary);border:1px solid var(--border-color);
  border-radius:var(--radius-md);
  transition:border-color .25s,background .25s;
}
.verification-report li::before{
  content:"✓";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;background:var(--gold);color:#111;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:900;line-height:1;
}
.verification-report li:hover{border-color:var(--border-strong);background:var(--bg-tertiary)}

/* ===== Table of Contents (타임라인 + 카드 그리드) ===== */
.toc{
  background:var(--bg-secondary);
  border:1px solid var(--border-color);
  border-radius:var(--radius-lg);padding:32px;margin:36px 0 56px 0;
  box-shadow:var(--shadow-md);
  position:relative;overflow:hidden;
}
.toc::before{content:"";position:absolute;top:0;left:32px;right:32px;height:1px;background:linear-gradient(90deg,transparent,var(--border-strong),transparent)}
.toc-title{color:var(--gold-light);font-size:11px;font-weight:700;margin:0 0 24px 0;letter-spacing:.22em;text-transform:uppercase;display:flex;align-items:center;gap:14px}
.toc-title::before{content:"";display:inline-block;width:32px;height:1px;background:var(--gold);box-shadow:0 0 10px var(--v-gold-30)}
.toc-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--border-color),transparent)}
.toc-list{list-style:none;padding:0;margin:0;counter-reset:toc;position:relative}
.toc-list>li{margin:0;counter-increment:toc;position:relative;padding:0 0 0 56px;min-height:36px;display:flex;align-items:center;flex-wrap:wrap}
.toc-list::before{content:"";position:absolute;left:14px;top:14px;bottom:14px;width:1px;background:linear-gradient(180deg,var(--border-strong),var(--v-gold-08))}
.toc-list>li::before{
  content:counter(toc,decimal-leading-zero);
  position:absolute;left:0;top:18px;
  font-size:10.5px;color:var(--gold-light);font-weight:700;font-variant-numeric:tabular-nums;
  background:var(--bg-primary);border:1px solid var(--border-strong);
  width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  letter-spacing:.05em;line-height:1;transition:all .3s var(--spring);z-index:1;
}
.toc-list>li:hover::before{background:var(--gold);color:#111;box-shadow:0 0 16px var(--v-gold-30);transform:scale(1.08)}
.toc-list>li>a{color:var(--text-secondary);text-decoration:none;border:none;font-size:15px;line-height:1.5;font-weight:500;padding:8px 0;display:block;width:100%;transition:color .25s,padding-left .25s}
.toc-list>li>a:hover{color:var(--gold-light);padding-left:6px}
.toc-list ul{list-style:none;padding:0;margin:14px 0 16px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:8px;width:100%}
.toc-list ul li{counter-increment:none;padding:0;min-height:0;display:block}
.toc-list ul li::before{display:none}
.toc-list ul a{display:block;font-size:13.5px;color:var(--text-primary);padding:10px 14px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);text-decoration:none;transition:all .25s;font-weight:500;line-height:1.4}
.toc-list ul a:hover{color:var(--gold-light);background:var(--v-gold-08);border-color:var(--border-strong);transform:translateY(-1px);box-shadow:var(--shadow-sm)}

/* ===== Article Section (§ 번호 + 좌측 골드 보더) ===== */
.article-section{margin:64px 0;scroll-margin-top:24px;position:relative}
.article-section h2{
  font-size:24px;margin:0 0 24px 0;font-weight:700;letter-spacing:-.02em;
  padding:14px 0 14px 22px;position:relative;color:var(--gold-light);
  border-left:3px solid var(--gold);text-wrap:balance;line-height:1.4;
  display:block;
}
.article-section h2::after{content:"";position:absolute;left:22px;bottom:0;width:56px;height:2px;background:var(--gold);box-shadow:0 0 12px var(--v-gold-30)}
.article-section h3{font-size:18.5px;margin:34px 0 14px 0;color:#fff;font-weight:700;letter-spacing:-.014em;text-wrap:balance;display:flex;align-items:baseline;gap:10px}
.article-section h3::before{content:"";display:inline-block;width:14px;height:1.5px;background:var(--gold);flex-shrink:0;align-self:center}
.article-section p{margin:0 0 16px 0;color:var(--text-primary);font-size:16.5px;line-height:1.82;font-weight:400}
.article-section ul,.article-section ol{margin:0 0 20px 0;padding-left:26px;color:var(--text-primary);font-size:16.5px}
.article-section li{margin:8px 0;line-height:1.78;font-weight:400}
.article-section li::marker{color:var(--gold);font-weight:700}
.article-section strong{color:#fff;font-weight:600}

/* ===== Tables (베트너 글래스 + 그라데이션 골드 헤더) ===== */
.table-wrap{
  overflow-x:auto;margin:26px 0;border-radius:var(--radius-lg);
  background:var(--bg-secondary);
  border:1px solid var(--border-color);
  box-shadow:var(--shadow-md);
}
.table-wrap table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:540px;font-variant-numeric:tabular-nums}
.table-wrap thead{background:linear-gradient(135deg,var(--v-gold-20),var(--v-gold-08))}
.table-wrap th{color:var(--gold-light);font-weight:700;padding:16px 18px;text-align:left;border-bottom:1px solid var(--border-strong);white-space:nowrap;font-size:12.5px;text-transform:uppercase;letter-spacing:.08em}
.table-wrap td{padding:14px 18px;border-bottom:1px solid var(--border-color);color:var(--text-primary);line-height:1.6;font-weight:400}
.table-wrap tr:last-child td{border-bottom:none}
.table-wrap tr{transition:background .25s}
.table-wrap tbody tr:hover td{background:var(--v-gold-08)}
.table-wrap td:first-child{color:var(--gold-light);font-weight:700;font-variant-numeric:tabular-nums}

/* ===== Venue Block (베트너 .venue-card 패턴 100%) ===== */
.venue-block{
  background:var(--bg-secondary);
  border:1px solid var(--v-gold-10);
  border-radius:var(--radius-xl);
  padding:36px 32px 32px 32px;margin:32px 0;
  scroll-margin-top:24px;position:relative;overflow:hidden;
  counter-increment:venue;
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.venue-block::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--border-strong),transparent);opacity:.7}
.venue-block::after{
  content:counter(venue,decimal-leading-zero);
  position:absolute;top:24px;right:28px;
  font-size:42px;font-weight:800;color:var(--v-gold-15);
  letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums;
  z-index:0;pointer-events:none;
  transition:color .25s,transform .25s;
}
.venue-block:hover{
  transform:translateY(-3px);
  border-color:var(--v-gold-45);
  box-shadow:var(--shadow-lg);
}
.venue-block:hover::after{color:var(--v-gold-30);transform:scale(1.05)}
.venue-block h2{font-size:22px;margin:0 0 14px 0;color:#fff;border:none;padding:0;background:none;font-weight:700;letter-spacing:-.018em;position:relative;z-index:1}
.venue-block h3{
  font-size:19px;margin:0 0 18px 0;color:var(--gold-light);
  font-weight:700;letter-spacing:-.016em;line-height:1.45;
  padding:0 0 14px 0;border-bottom:1px solid var(--v-gold-20);
  text-wrap:balance;position:relative;z-index:1;
}
.venue-block p{color:var(--text-primary);margin:0 0 12px 0;line-height:1.85;font-size:16px;font-weight:400;position:relative;z-index:1}
.venue-block strong{color:#fff;font-weight:600}
.venue-figure{margin:0 0 26px 0;border-radius:var(--radius-lg);overflow:hidden;background:#111;border:1px solid var(--border-color);position:relative;z-index:1;aspect-ratio:16/9}
.venue-figure img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1);transition:transform .4s ease}
.venue-figure:hover img{transform:scale(1.04)}
.venue-figure figcaption{font-size:12.5px;color:var(--text-mute);text-align:center;margin-top:10px;line-height:1.5;padding:0 8px;font-weight:500}

/* ===== Venue CTA (베트너 .btn-primary 패턴) ===== */
.venue-cta{margin-top:26px;padding-top:22px;border-top:1px solid var(--border-color);display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.venue-link{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad-gold-2);
  color:#111 !important;
  padding:12px 26px;border-radius:var(--radius-md);
  font-size:14.5px;font-weight:700;
  text-decoration:none !important;border:none !important;
  transition:transform .3s,box-shadow .3s;
  box-shadow:0 4px 18px var(--v-gold-30),inset 0 1px 0 rgba(255,255,255,.25);
  letter-spacing:-.005em;
}
.venue-link:hover{transform:translateY(-2px);box-shadow:0 8px 24px var(--v-gold-30),inset 0 1px 0 rgba(255,255,255,.3);color:#111 !important}
.venue-link:active{transform:translateY(0)}

/* ===== FAQ (Q/A 골드 라벨) ===== */
section#faq{counter-reset:faq}
[data-faq-item]{
  background:var(--bg-secondary);
  border:1px solid var(--border-color);
  border-radius:var(--radius-lg);margin:12px 0;overflow:hidden;
  counter-increment:faq;
  transition:border-color .25s,box-shadow .25s,background .25s;
}
[data-faq-item]:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
[data-faq-item][data-faq-open="true"]{border-color:var(--border-strong);background:var(--bg-tertiary);box-shadow:var(--shadow-md)}
[data-faq-toggle]{
  width:100%;background:transparent;border:none;color:#fff;
  padding:20px 24px 20px 68px;text-align:left;cursor:pointer;
  font-size:15.5px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  line-height:1.55;letter-spacing:-.012em;
  font-family:inherit;transition:color .25s;
  text-wrap:balance;position:relative;
}
[data-faq-toggle]::before{
  content:"Q" counter(faq);
  position:absolute;left:22px;top:50%;transform:translateY(-50%);
  font-size:10.5px;font-weight:800;color:var(--gold-light);
  background:var(--v-gold-10);border:1px solid var(--border-strong);
  padding:5px 9px;border-radius:6px;letter-spacing:.03em;
  font-variant-numeric:tabular-nums;
}
[data-faq-toggle]:hover{color:var(--gold-light)}
[data-faq-toggle]::after{content:"+";color:var(--gold-light);font-size:22px;line-height:1;font-weight:300;flex-shrink:0;transition:transform .3s}
[data-faq-item][data-faq-open="true"] [data-faq-toggle]::after{content:"−";transform:rotate(180deg)}
[data-faq-answer]{padding:0 24px 22px 68px;color:var(--text-primary);line-height:1.82;font-size:15px;display:none;font-weight:400;position:relative}
[data-faq-answer]::before{content:"A";position:absolute;left:22px;top:0;font-size:10.5px;font-weight:800;color:var(--text-mute);background:var(--bg-tertiary);border:1px solid var(--border-color);padding:5px 11px;border-radius:6px;letter-spacing:.03em}
[data-faq-item][data-faq-open="true"] [data-faq-answer]{display:block;animation:faqFade .35s var(--spring)}
@keyframes faqFade{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ===== Article Footer ===== */
.article-footer{margin-top:72px;padding-top:40px;border-top:1px solid var(--border-color);position:relative;background:linear-gradient(180deg,var(--v-gold-04),transparent)}
.article-footer::before{content:"";position:absolute;left:0;top:-1px;width:72px;height:2px;background:var(--gold);box-shadow:0 0 10px var(--v-gold-30)}
.article-footer-meta{color:var(--text-mute);font-size:13px;margin-bottom:24px;line-height:1.7;font-weight:500;letter-spacing:.02em}



/* ===== Reveal (베트너 표준) ===== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.reveal.revealed{opacity:1;transform:none}

/* ============================================================
 * 반응형 (베트너 표준 — 모바일 ≤640 / 태블릿 641~1024)
 * ============================================================ */

@media(max-width:640px){
  .blog-article{padding:28px 18px 60px;font-size:16px;line-height:1.8}
  .article-header{margin-bottom:40px;padding-bottom:28px}
  .article-header h1{font-size:25px;line-height:1.32}
  .article-meta{font-size:11px;gap:6px}
  .article-meta time,.article-meta span,.article-meta a{padding:5px 11px}
  .hero-image{margin:26px 0;border-radius:14px}
  .intro-prose{padding:22px 24px;font-size:15.5px;margin:28px 0}
  .intro-prose::before{top:22px;bottom:22px}
  .intro-prose p{padding-left:14px}
  .verification-report{padding:22px 24px;margin:28px 0}
  .verification-report::after{top:22px;right:22px;font-size:9px;padding:3px 8px}
  .verification-report h2{font-size:12px}
  .verification-report li{font-size:14.5px;padding:10px 12px 10px 36px}
  .verification-report li::before{left:12px;width:18px;height:18px;font-size:11px}
  .toc{padding:24px 22px;margin:24px 0 36px 0}
  .toc::before{left:22px;right:22px}
  .toc-title{font-size:10.5px;letter-spacing:.2em}
  .toc-list>li{padding:0 0 0 48px;min-height:32px}
  .toc-list::before{left:12px}
  .toc-list>li::before{width:26px;height:26px;font-size:10px;top:14px}
  .toc-list>li>a{font-size:14.5px;padding:7px 0}
  .toc-list ul{grid-template-columns:repeat(2,1fr);gap:6px;margin:10px 0 14px 0}
  .toc-list ul a{font-size:12.5px;padding:9px 12px}
  .article-section{margin:54px 0}
  
  .article-section h2{font-size:20px;padding:0 0 12px 16px;border-left-width:3px}
  .article-section h2::after{left:16px;width:44px}
  .article-section h3{font-size:16.5px;margin:28px 0 12px 0;gap:8px}
  .article-section h3::before{width:10px}
  .article-section p,.article-section ul,.article-section ol{font-size:15.5px}
  .table-wrap{margin:22px 0;border-radius:10px}
  .table-wrap table{font-size:13px}
  .table-wrap th{padding:12px 14px;font-size:11.5px}
  .table-wrap td{padding:11px 14px}
  .venue-block{padding:30px 22px 24px 22px;margin:26px 0;border-radius:14px}
  .venue-block::after{top:18px;right:20px;font-size:34px}
  .venue-block h3{font-size:16.5px;line-height:1.5;padding-bottom:12px;margin-bottom:16px}
  .venue-block p{font-size:15px;line-height:1.8}
  .venue-link{padding:11px 22px;font-size:14px}
  [data-faq-toggle]{padding:16px 20px 16px 58px;font-size:14.5px;gap:12px}
  [data-faq-toggle]::before{left:18px;font-size:10px;padding:4px 7px}
  [data-faq-toggle]::after{font-size:20px}
  [data-faq-answer]{padding:0 20px 18px 58px;font-size:14.5px}
  [data-faq-answer]::before{left:18px;font-size:10px;padding:4px 9px}
  .article-footer{margin-top:52px;padding-top:32px}
}

@media(min-width:641px) and (max-width:1024px){
  .blog-article{max-width:760px;padding:36px 24px 80px;font-size:16.5px}
  .article-header h1{font-size:28px}
  .toc-list ul{grid-template-columns:repeat(3,1fr)}
  .article-section h2{font-size:22px}
  .venue-block{padding:30px}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}


/* ===== Related Posts (K-Series 향후 관련 블로그 글 카드 그리드) ===== */
/* 사용 예: <section class="related-posts" id="related"><h2>...</h2>
   <a class="related-card" href="..."><div class="related-thumb"><img></div>
   <div class="related-body"><div class="related-meta"><span class="related-tag">...</span>
   <span class="related-date">...</span></div><h3 class="related-title">...</h3>
   <p class="related-excerpt">...</p></div></a></section> */
.related-posts{
  background:var(--bg-secondary);
  border:1px solid var(--border-color);
  border-radius:var(--radius-lg);padding:28px 30px;margin:36px 0;
  box-shadow:var(--shadow-md);
  position:relative;overflow:hidden;
}
.related-posts::before{content:"";position:absolute;top:0;left:30px;right:30px;height:1px;background:linear-gradient(90deg,transparent,var(--border-strong),transparent)}
.related-posts>h2{color:var(--gold-light);font-size:11px;margin:0 0 22px 0;border:none;padding:0;background:none;font-weight:700;letter-spacing:.22em;text-transform:uppercase;display:flex;align-items:center;gap:14px}
.related-posts>h2::before{content:"";display:inline-block;width:32px;height:1px;background:var(--gold);box-shadow:0 0 10px var(--v-gold-30)}
.related-posts>h2::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--border-color),transparent)}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.related-card{
  display:block;text-decoration:none;
  background:var(--bg-tertiary);
  border:1px solid var(--v-gold-10);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.related-card:hover{transform:translateY(-3px);border-color:var(--v-gold-45);box-shadow:var(--shadow-lg)}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:#111;position:relative}
.related-thumb img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1);transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:18px 20px}
.related-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:11px;color:var(--text-mute);margin-bottom:10px;letter-spacing:.05em;font-weight:600;text-transform:uppercase}
.related-tag{color:var(--gold-light);padding:3px 9px;background:var(--v-gold-08);border:1px solid var(--border-color);border-radius:var(--radius-full)}
.related-date{color:var(--text-mute);font-variant-numeric:tabular-nums}
.related-title{font-size:16px;font-weight:700;color:#fff;line-height:1.4;margin:0 0 8px 0;letter-spacing:-.012em;text-wrap:balance}
.related-card:hover .related-title{color:var(--gold-light)}
.related-excerpt{font-size:13.5px;color:var(--text-secondary);line-height:1.6;margin:0;font-weight:400;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

@media(max-width:640px){
  .related-posts{padding:22px 22px}
  .related-posts::before{left:22px;right:22px}
  .related-grid{grid-template-columns:1fr;gap:12px}
  .related-body{padding:16px 18px}
  .related-title{font-size:15.5px}
  .related-excerpt{font-size:13px}
}

/* ===== 홈/블로그 인덱스용 .blog-card 썸네일 ===== */
.blog-thumbnail img{display:block;width:100%;height:100%;object-fit:cover;border:0}
.blog-card .blog-thumbnail{overflow:hidden;position:relative;background:#191919}