:root{
  --ink:#12233F; --navy:#1B3A6B; --sky:#3E7BD6; --amber:#E8A13A; --mint:#2FA98C;
  --paper:#F7F5EF; --bg:#FFFFFF; --line:#E6E9F0; --muted:#5B6B84; --soft:#EDF1F6;
  --serif:"Noto Serif KR",serif; --sans:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic",sans-serif;
  --r-lg:24px; --r-md:16px; --r-sm:10px;
  --sh-1:0 1px 2px rgba(18,35,63,.06),0 8px 24px rgba(18,35,63,.06);
  --sh-2:0 2px 4px rgba(18,35,63,.08),0 16px 40px rgba(18,35,63,.10);
  --content:820px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--navy);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--sky)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:12px 20px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px;border-radius:4px}

/* 헤더 */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand img{width:40px;height:40px;border-radius:10px;object-fit:cover}
.brand-name{font-weight:800;font-size:18px;letter-spacing:-.02em;white-space:nowrap}
.brand-sub{display:block;font-size:11.5px;font-weight:500;color:var(--muted);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:4px;list-style:none}
.main-nav a{font-size:15px;font-weight:600;color:var(--ink);padding:10px 14px;min-height:44px;display:inline-flex;align-items:center;border-radius:var(--r-sm)}
.main-nav a:hover{color:var(--navy);background:var(--soft)}
.main-nav .nav-cta{background:var(--navy);color:#fff !important;border-radius:var(--r-sm);padding:11px 18px !important;font-weight:700;box-shadow:var(--sh-1)}
.main-nav .nav-cta:hover{background:var(--sky)}
.nav-toggle{display:none;background:none;border:0;width:48px;height:48px;cursor:pointer;border-radius:10px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;border-radius:2px;transition:.25s}
@media(max-width:980px){
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 24px 20px;gap:2px;box-shadow:var(--sh-2)}
  .main-nav.open{display:flex}
  .main-nav a{padding:14px 10px;border-radius:10px}
  .nav-toggle{display:block}
}

/* 본문 레이아웃 */
.site-main{background:var(--bg)}
.article-hero{background:linear-gradient(160deg,#0F1F38 0%,var(--navy) 60%,#25497F 100%);color:#fff;padding:76px 0 68px;text-align:center}
.article-hero .breadcrumb{display:flex;justify-content:center;align-items:center;gap:10px;font-size:13px;color:#BFD4F5;margin-bottom:20px}
.article-hero .breadcrumb a{color:#BFD4F5}
.article-hero .breadcrumb a:hover{color:#fff}
.entry-title{font-family:var(--sans);font-weight:900;font-size:clamp(28px,4.2vw,44px);line-height:1.28;letter-spacing:-.025em;margin:0 auto 14px;max-width:820px;color:#fff}
.article-sub{color:#D9E4F5;max-width:680px;margin:0 auto 18px;font-size:16px;line-height:1.75}
.article-meta{font-size:13.5px;color:#BFD4F5;font-weight:600}
.article-meta .sep{margin:0 8px}
.article-body{max-width:var(--content);padding:52px 24px 72px}
.post-hero-figure{margin:0 0 36px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.post-hero-img{width:100%;object-fit:cover}
.list-head{padding:72px 0 40px;text-align:center}
.list-head .entry-title{color:var(--ink);margin-bottom:10px}
.list-head p{color:var(--muted);max-width:640px;margin:0 auto}
.not-found{padding:100px 0;text-align:center}
.not-found p{margin-bottom:12px;color:var(--muted)}

/* 본문 타이포 */
.article-body p,.article-body ul,.article-body ol{font-size:17px;line-height:1.78;color:#2A3A55;margin-bottom:1.4em}
.article-body h2{font-size:clamp(23px,2.6vw,29px);font-weight:900;letter-spacing:-.02em;line-height:1.4;margin:2.2em 0 .8em;padding-top:.4em;border-top:1px solid var(--line)}
.article-body h3{font-size:20px;font-weight:800;letter-spacing:-.01em;margin:1.8em 0 .7em}
.article-body a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(62,123,214,.4)}
.article-body strong{font-weight:800}
.article-body .ai-notice{font-size:.85em;color:#888;margin-top:2em}
.article-body .legal-notice{font-size:.85em;color:#777;background:#f8f9fa;border-left:3px solid #cbd5e1;padding:10px 14px;margin-top:2em;border-radius:0 6px 6px 0}
.article-body .legal-notice p{margin:4px 0;font-size:1em;line-height:1.6;color:#777}

/* 요약 박스·목차 */
.summary-box{background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--sky);border-radius:0 var(--r-md) var(--r-md) 0;padding:22px 24px;margin:0 0 28px}
.summary-box p{font-size:15.5px;line-height:1.7;color:#33415E;margin:0}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 26px;margin:0 0 32px;font-size:15px}
.toc strong{display:block;margin-bottom:12px;font-size:15px;letter-spacing:.02em;color:var(--navy)}
.toc ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}
.toc li{margin:0}
.toc a{display:block;padding:6px 0;color:var(--muted);font-size:14.5px;border-bottom:1px dashed var(--line);text-decoration:none}
.toc a:hover{color:var(--navy);border-bottom-color:var(--sky)}
@media(max-width:640px){.toc ul{grid-template-columns:1fr}}

/* 표 */
.cmp-table{width:100%;border-collapse:collapse;margin:0 0 1.8em;font-size:15px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.cmp-table caption{caption-side:top;text-align:left;font-size:13.5px;font-weight:700;color:var(--muted);padding:0 2px 10px;letter-spacing:.02em}
.cmp-table th{background:var(--navy);color:#fff;padding:13px 16px;text-align:left;font-weight:700;font-size:14px;border-bottom:2px solid rgba(255,255,255,.12)}
.cmp-table td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6;color:#33415E}
.cmp-table tbody tr:nth-child(even){background:var(--soft)}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tr:hover td{background:#E8EEF8}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media(max-width:640px){.cmp-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:14px}.cmp-table th,.cmp-table td{padding:11px 12px}}

/* 목록 */
.article-body ul,.article-body ol{padding-left:1.4em}
.article-body ul li,.article-body ol li{margin-bottom:.5em}
.check-list,.warn-list,.step-list{background:var(--soft);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px 20px 44px;margin:0 0 1.8em}
.warn-list{background:#FDF7EC;border-color:#F0E2C6}
.check-list li,.warn-list li,.step-list li{margin-bottom:.55em;line-height:1.7}
.check-list li:last-child,.warn-list li:last-child,.step-list li:last-child{margin-bottom:0}
.check-list li::marker,.step-list li::marker{color:var(--navy);font-weight:800}

/* 콜아웃 */
.cmp-callout{background:var(--soft);border-left:4px solid var(--amber);border-radius:0 var(--r-md) var(--r-md) 0;padding:20px 24px;margin:0 0 1.8em}
.cmp-callout p{margin:0;font-size:15.5px;line-height:1.7;color:#33415E}
.cmp-callout strong{color:var(--navy)}

/* 차트 */
.chart-bar,.chart-gauge{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;margin:0 0 1.8em;font-size:14px}
.chart-bar .bar-label{margin:0 0 10px;font-weight:700;color:#33415E;letter-spacing:.02em}
.chart-bar .bar-label span{float:right;color:var(--muted);font-weight:600}
.chart-bar .bar-note,.chart-gauge .gauge-note{margin:8px 0 0;font-size:12.5px;color:var(--muted)}
.chart-gauge .gauge-label{font-weight:800;color:var(--navy);margin-bottom:14px}
.gauge-row{display:flex;align-items:center;gap:14px;margin-bottom:12px;font-size:13.5px;color:#33415E}
.gauge-row > span{flex:none;width:130px;font-weight:600}
.gauge-track{flex:1;height:12px;background:var(--soft);border-radius:99px;overflow:hidden}
.gauge-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--navy),var(--sky))}

/* 타임라인 */
.timeline{position:relative;margin:0 0 1.8em;padding-left:0;counter-reset:tl}
.tl-step{display:flex;gap:18px;padding:0 0 22px 0;position:relative}
.tl-step:not(:last-child)::before{content:"";position:absolute;left:18px;top:40px;bottom:4px;width:2px;background:var(--line)}
.tl-num{flex:none;width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(27,58,107,.25)}
.tl-step strong{display:block;font-size:16px;color:var(--ink);margin-bottom:2px}
.tl-step p{margin:0 !important;font-size:14px !important;color:var(--muted) !important;line-height:1.6 !important}

/* 이미지 */
.img-figure{margin:0 0 1.8em;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.img-figure img{width:100%;object-fit:cover}
.img-figure figcaption{font-size:13px;color:var(--muted);padding:12px 4px 0;line-height:1.6}

/* FAQ */
.faq{margin:0 0 1.8em;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;transition:background .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:600;color:var(--sky);flex:none;transition:transform .2s}
.faq details[open] summary{background:var(--soft)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:4px 22px 20px;margin:0;font-size:15.5px;line-height:1.75;color:#33415E}

/* 관련글 */
.related-posts{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px;margin:2.4em 0 0}
.related-posts .rp-title{margin-bottom:14px}
.related-posts .rp-title strong{font-size:17px;color:var(--ink)}
.related-posts ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:0}
.related-posts li{margin:0;border-top:1px dashed var(--line)}
.related-posts li:first-child{border-top:0}
.related-posts a{display:block;padding:13px 2px;font-weight:700;font-size:15px;color:var(--navy);text-decoration:none}
.related-posts a:hover{color:var(--sky)}

/* 글 카드(목록) */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-bottom:80px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;position:relative;display:block}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .cat-badge{position:absolute;top:14px;left:14px;background:rgba(18,35,63,.82);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}
.post-card h2{font-size:17px;font-weight:800;letter-spacing:-.015em;line-height:1.45;margin:0}
.post-card h2 a{text-decoration:none}
.post-card p{font-size:14px;color:var(--muted);line-height:1.65;margin:0}
.post-card .meta{font-size:12.5px;color:#94A3BE;font-weight:600;margin-top:auto}
.pagination{grid-column:1/-1;display:flex;justify-content:center;gap:6px;margin-top:8px}
.pagination .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;font-weight:700;font-size:14.5px;color:var(--navy)}
.pagination .page-numbers.current{background:var(--navy);color:#fff;border-color:var(--navy)}

/* 글 네비 */
.post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-size:14.5px}
.post-nav .prev,.post-nav .next{max-width:48%}
.post-nav a{color:var(--navy);font-weight:600}
.post-nav a:hover{color:var(--sky)}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15.5px;border-radius:var(--r-sm);padding:14px 26px;min-height:48px;text-decoration:none !important;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{background:var(--amber);color:#241A05 !important;box-shadow:0 8px 24px rgba(232,161,58,.35)}
.btn-primary:hover{background:#F4B455;transform:translateY(-2px)}

/* 푸터 */
.site-footer{background:#0F1F38;color:#C4D3EA;padding:72px 0 40px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:44px}
.footer-brand img{width:46px;height:46px;border-radius:12px;margin-bottom:16px}
.footer-brand .fb-name{font-size:18px;font-weight:800;color:#fff;margin-bottom:6px}
.footer-brand p{font-size:14px;line-height:1.7;color:#9FB0CD;max-width:340px}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:.08em;color:#fff;margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#C4D3EA;text-decoration:none}
.footer-col a:hover{color:#fff}
.site-footer .legal-notice{margin-top:32px;padding:22px 24px;border:1px solid rgba(255,255,255,.12);border-left:3px solid var(--amber);border-radius:0 12px 12px 0;background:rgba(255,255,255,.04);font-size:12.5px;line-height:1.7;color:#9FB0CD}
.site-footer .legal-notice p{margin:4px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7E90B0}
.footer-bottom a{color:#C4D3EA}

@media(max-width:1080px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){
  .post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-body{padding:36px 20px 56px}
  .article-hero{padding:56px 0 52px}
  .container{padding:0 20px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}