:root{
  --bg:#f7fbfd;
  --bg-soft:#eef7fb;
  --paper:#ffffff;
  --paper-2:#f8fcff;
  --line:#d7e6ee;
  --line-strong:#b6cfdd;
  --text:#20323c;
  --muted:#617684;
  --brand:#0f6b8f;
  --brand-dark:#0a5875;
  --brand-soft:#e8f5fb;
  --accent:#1e7f66;
  --accent-soft:#ebf8f3;
  --ink:#102028;
  --shadow:0 18px 38px rgba(16,65,93,.08);
  --shadow-lg:0 26px 62px rgba(16,65,93,.13);
  --radius-xl:30px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  color:var(--text);
  line-height:1.78;
  word-break:keep-all;
  background:
    radial-gradient(circle at 0% 0%, rgba(15,107,143,.08), transparent 24%),
    radial-gradient(circle at 100% 0%, rgba(30,127,102,.08), transparent 22%),
    linear-gradient(180deg,#fbfeff 0%,var(--bg) 100%);
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:min(100%,var(--container));margin:0 auto;padding:0 22px}
.skip-link{
  position:absolute;left:14px;top:-48px;z-index:1000;
  padding:10px 14px;border-radius:10px;background:var(--brand);color:#fff;font-weight:800;
}
.skip-link:focus{top:12px}
.top-bar{background:#fff;border-bottom:1px solid rgba(15,107,143,.08)}
.top-bar-inner{
  min-height:46px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--muted)
}
.top-bar strong{color:var(--brand-dark)}
.site-header{
  position:sticky;top:0;z-index:999;
  background:rgba(247,251,253,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(15,107,143,.10)
}
.header-inner{
  min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px
}
.brand-wrap{display:flex;flex-direction:column;gap:4px}
.brand{font-size:28px;font-weight:900;letter-spacing:-.04em;color:var(--ink)}
.brand-sub{font-size:12px;color:var(--muted)}
.main-nav{display:flex;flex-wrap:wrap;gap:18px;justify-content:center}
.main-nav a{font-size:14px;font-weight:800;color:#36515f}
.main-nav a:hover{color:var(--brand-dark)}
.header-call{
  display:inline-flex;align-items:center;justify-content:center;min-width:176px;min-height:48px;
  padding:0 18px;border-radius:999px;background:var(--brand);color:#fff;font-weight:900;box-shadow:var(--shadow)
}
.hero{padding:44px 0 28px}
.hero-shell{display:grid;grid-template-columns:minmax(0,1.1fr) 350px;gap:22px;align-items:stretch}
.card,.hero-main,.hero-aside,.section-card,.mini-card,.topic-card,.guide-card,.faq-card,.article-hero,.article-body section,.sidebar-card,.cta-band,.step-card{
  background:var(--paper);border:1px solid rgba(15,107,143,.10);border-radius:var(--radius-xl);box-shadow:var(--shadow)
}
.hero-main{
  padding:42px;
  background:
    radial-gradient(circle at top left, rgba(15,107,143,.09), transparent 26%),
    linear-gradient(180deg,#ffffff 0%,#f7fcff 100%);
}
.kicker,.badge,.post-label{
  display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:900;letter-spacing:.02em
}
.kicker{margin-bottom:18px;background:var(--brand-soft);color:var(--brand-dark);border:1px solid rgba(15,107,143,.14)}
.badge{margin-bottom:12px;background:var(--accent-soft);color:var(--accent);border:1px solid rgba(30,127,102,.12)}
.hero h1,.section-title h2,.article-hero h1,.topic-card h3,.guide-card h3,.faq-card h2,.sidebar-card h3,.cta-band h2{
  margin:0;color:var(--ink);line-height:1.24;letter-spacing:-.03em
}
.hero h1{font-family:Georgia,"Times New Roman",serif;font-size:52px;margin-bottom:18px}
.lead{margin:0;font-size:17px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 22px;
  border-radius:14px;font-weight:900;font-size:15px
}
.btn-primary{background:var(--brand);color:#fff}
.btn-secondary{background:#fff;border:1px solid var(--line-strong);color:var(--ink)}
.hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:26px}
.hero-points div{padding:16px;border-radius:18px;background:rgba(255,255,255,.74);border:1px solid rgba(15,107,143,.10)}
.hero-points strong{display:block;font-size:14px;color:var(--ink);margin-bottom:6px}
.hero-points span{display:block;font-size:13px;color:var(--muted)}
.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.quick-links a{
  display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:800;color:#345260
}
.hero-aside{padding:28px;display:flex;flex-direction:column;gap:18px;justify-content:space-between}
.hero-aside h2{margin:0;font-size:28px;line-height:1.3}
.check-list{margin:0;padding-left:18px;color:var(--muted)}
.check-list li+li{margin-top:8px}
.call-big{
  display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:62px;border-radius:18px;
  background:linear-gradient(135deg,var(--brand),#1499c8);color:#fff;font-size:24px;font-weight:900
}
.hero-mini{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.hero-mini div{padding:14px;border-radius:16px;background:var(--paper-2);border:1px solid var(--line)}
.hero-mini strong{display:block;font-size:13px;margin-bottom:6px}
.hero-mini p{margin:0;font-size:12px;color:var(--muted)}
main{padding:6px 0 84px}
.section{margin-top:30px}
.section-title{margin-bottom:18px}
.section-title h2{font-size:38px;margin-bottom:10px}
.section-title p,.topic-card p,.guide-card p,.faq-card p,.article-body p,.sidebar-card p,.mini-card p{margin:0;color:var(--muted);font-size:15px}
.topic-grid,.guide-grid,.region-grid,.post-grid,.faq-grid,.step-grid{display:grid;gap:18px}
.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.region-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.post-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.step-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.topic-card,.guide-card,.mini-card,.faq-card,.step-card{padding:24px}
.topic-card h3,.guide-card h3{font-size:26px;margin-bottom:12px}
.topic-card ul,.guide-card ul,.article-body ul,.faq-card ul{margin:14px 0 0;padding-left:18px;color:var(--muted)}
.topic-card li+li,.guide-card li+li,.article-body li+li{margin-top:8px}
.step-no{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;
  background:var(--brand-soft);color:var(--brand-dark);font-weight:900
}
.step-card strong{display:block;margin-bottom:8px;font-size:20px;color:var(--ink)}
.step-card p{margin:0}
.region-card{
  padding:24px;background:var(--paper);border:1px solid rgba(15,107,143,.10);border-radius:var(--radius-lg);box-shadow:var(--shadow)
}
.region-card strong{display:block;font-size:22px;margin-bottom:10px;color:var(--ink)}
.region-card p{margin:0;color:var(--muted);font-size:15px}
.region-card ul{margin:14px 0 0;padding-left:18px;color:var(--muted)}
.post-card{
  padding:26px;background:linear-gradient(180deg,#ffffff 0%,#f7fcff 100%);border:1px solid rgba(15,107,143,.10);
  border-radius:var(--radius-lg);box-shadow:var(--shadow)
}
.post-card strong{display:block;font-size:22px;margin-bottom:10px;color:var(--ink)}
.post-card a{
  display:inline-flex;margin-top:16px;min-height:42px;padding:0 16px;align-items:center;justify-content:center;
  border-radius:12px;background:var(--brand-soft);border:1px solid var(--line);font-weight:800;color:var(--brand-dark)
}
.faq-card h3{margin:0 0 10px;font-size:22px;line-height:1.35;color:var(--ink)}
.cta-band{
  margin-top:30px;padding:30px 32px;background:
    radial-gradient(circle at 100% 0%, rgba(20,153,200,.14), transparent 24%),
    linear-gradient(135deg,#ffffff 0%,#eef8fd 100%)
}
.cta-band p{margin:10px 0 0;color:var(--muted)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.site-footer{padding:26px 0 44px;border-top:1px solid rgba(15,107,143,.10);color:var(--muted);font-size:13px}
.article-wrap{padding:28px 0 84px}
.article-hero{padding:34px;background:
  radial-gradient(circle at top left, rgba(15,107,143,.08), transparent 24%),
  linear-gradient(180deg,#ffffff 0%,#f7fcff 100%)
}
.article-hero h1{font-size:48px;margin-top:8px;margin-bottom:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag-row span{
  display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:800;color:#345260
}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start;margin-top:22px}
.article-body{display:flex;flex-direction:column;gap:18px}
.article-body section{padding:26px}
.article-body h2{margin:0 0 12px;font-size:30px;line-height:1.3;color:var(--ink);letter-spacing:-.03em}
.article-body h3{margin:0 0 10px;font-size:22px;color:var(--ink)}
.sidebar-stack{display:flex;flex-direction:column;gap:18px}
.sidebar-card{padding:22px;position:sticky;top:98px}
.sidebar-links{display:grid;gap:10px;margin-top:12px}
.sidebar-links a{
  display:block;padding:14px 15px;border-radius:14px;background:var(--paper-2);border:1px solid var(--line);
  font-weight:700;color:#345260
}
.call-panel{
  padding:20px;border-radius:20px;background:linear-gradient(135deg,var(--brand),#1499c8);color:#fff
}
.call-panel strong{display:block;font-size:18px;margin-bottom:10px}
.call-panel a{
  display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:50px;border-radius:14px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);font-weight:900
}
.note-box{
  padding:18px;border-radius:18px;background:var(--brand-soft);border:1px solid rgba(15,107,143,.12)
}
.table-box{overflow:auto}
.info-table{width:100%;border-collapse:collapse;min-width:620px}
.info-table th,.info-table td{
  padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top
}
.info-table th{color:var(--ink);background:#f5fbfe}
@media (max-width:1080px){
  .hero-shell,.content-layout{grid-template-columns:1fr}
  .sidebar-card{position:static}
  .topic-grid,.post-grid,.region-grid,.step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .header-inner,.top-bar-inner{flex-direction:column;justify-content:center;padding:12px 0}
  .main-nav{gap:12px}
  .header-call{min-width:100%}
  .hero{padding-top:28px}
  .hero-main,.hero-aside,.article-hero,.article-body section,.cta-band{padding:24px}
  .hero h1,.article-hero h1{font-size:36px}
  .section-title h2{font-size:30px}
  .hero-points,.hero-mini,.topic-grid,.guide-grid,.region-grid,.post-grid,.faq-grid,.step-grid{grid-template-columns:1fr}
  .btn,.call-big{width:100%}
  .quick-links{gap:8px}
}