:root{
  --bg:#0b1120;
  --bg-2:#111827;
  --surface:#ffffff;
  --surface-soft:#f7f9fc;
  --ink:#0f172a;
  --text:#334155;
  --muted:#64748b;
  --line:#e5eaf2;
  --brand:#2563eb;
  --brand-2:#7c3aed;
  --accent:#14b8a6;
  --hot:#f97316;
  --glow:0 18px 48px rgba(37,99,235,.18);
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:16px;
  --max:1200px;
}
*,
*::before,
*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Pretendard","Noto Sans KR","Apple SD Gothic Neo",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(124,58,237,.10), transparent 26%),
    radial-gradient(circle at 100% 0%, rgba(20,184,166,.10), transparent 22%),
    linear-gradient(180deg,#f4f7fb 0%, #eef3f9 100%);
  line-height:1.7;
  word-break:keep-all;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(var(--max), calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  backdrop-filter:blur(14px);
  background:rgba(11,17,32,.84);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand-wrap{display:flex;flex-direction:column;gap:4px}
.brand{
  color:#fff;
  font-size:24px;
  font-weight:900;
  letter-spacing:-.05em;
}
.brand-sub{
  color:rgba(255,255,255,.72);
  font-size:12px;
}
.main-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:18px;
}
.main-nav a{
  color:rgba(255,255,255,.84);
  font-size:14px;
  font-weight:700;
}
.main-nav a:hover{color:#fff}
.call-pill,
.btn-primary,
.btn-ghost,
.card-link,
.side-call,
.big-call{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:50px;
  padding:0 20px;
  border-radius:999px;
  font-weight:900;
}
.call-pill,
.btn-primary,
.card-link,
.side-call,
.big-call{
  color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:var(--glow);
}
.btn-ghost{
  color:#fff;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
}
.call-pill{font-size:14px;min-width:170px}
.hero{padding:34px 0 0}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);
  gap:22px;
  align-items:stretch;
}
.hero-panel,
.hero-side,
.selector-card,
.quick-card,
.point-card,
.post-card,
.area-panel,
.memo-panel,
.faq-panel,
.cta-panel,
.article-hero,
.article-main,
.summary-card,
.step-card,
.memo-card,
.related-card,
.sidebar-card,
.bottom-banner,
.footer-box{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
}
.hero-panel{
  position:relative;
  overflow:hidden;
  padding:46px;
  color:#fff;
  background:
    radial-gradient(circle at 80% 10%, rgba(255,255,255,.16), transparent 20%),
    linear-gradient(135deg,#0f172a 0%, #111827 38%, #1d4ed8 100%);
}
.hero-panel::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-80px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,255,255,.16), transparent 65%);
}
.hero-badge,
.section-badge,
.card-badge{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:900;
  letter-spacing:-.02em;
}
.hero-badge{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.14);
}
.section-badge{
  background:#eaf1ff;
  color:var(--brand);
}
.section-badge.alt{
  background:#eafaf8;
  color:#0f766e;
}
.card-badge{
  background:#fff4e9;
  color:#c2410c;
}
.hero-panel h1{
  margin:16px 0 14px;
  font-size:58px;
  line-height:1.02;
  letter-spacing:-.06em;
}
.hero-panel p{
  margin:0;
  max-width:660px;
  font-size:18px;
  color:rgba(255,255,255,.86);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-list{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin-top:26px;
}
.hero-list div{
  padding:16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
}
.hero-list strong{
  display:block;
  font-size:14px;
}
.hero-list span{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:rgba(255,255,255,.74);
}
.hero-side{
  padding:24px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  background:linear-gradient(180deg,#ffffff 0%, #f8fbff 100%);
}
.hero-side h2{
  margin:0 0 10px;
  font-size:30px;
  line-height:1.18;
}
.hero-side p{
  margin:0 0 18px;
  color:var(--text);
}
.selector-stack{
  display:grid;
  gap:12px;
}
.selector-card{
  padding:18px;
  border-radius:22px;
}
.selector-card strong{
  display:block;
  margin-bottom:6px;
  font-size:17px;
}
.selector-card p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.side-box{
  margin-top:18px;
  padding:18px;
  border-radius:24px;
  color:#fff;
  background:linear-gradient(135deg,#0f172a,#1e293b);
}
.side-box small{
  display:block;
  opacity:.74;
  font-size:12px;
}
.side-box strong{
  display:block;
  margin-top:4px;
  font-size:28px;
  letter-spacing:-.04em;
}
.side-box .side-call{
  width:100%;
  margin-top:14px;
}
.section{padding:84px 0 0}
.section.compact{padding-top:36px}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:20px;
  margin-bottom:20px;
}
.section-head h2{
  margin:10px 0 8px;
  font-size:40px;
  line-height:1.1;
  letter-spacing:-.05em;
}
.section-head p{
  margin:0;
  color:var(--text);
}
.section-note{
  max-width:290px;
  color:var(--muted);
  font-size:13px;
}
.grid-4,
.grid-3,
.posts-grid{
  display:grid;
  gap:18px;
}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.posts-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.quick-card,
.point-card,
.post-card{padding:24px}
.quick-card h3,
.point-card h3,
.post-card h3,
.area-panel h3,
.memo-panel h3,
.faq-item h3,
.article-hero h1,
.summary-card h3,
.step-card h3,
.memo-card h3,
.related-card h3,
.sidebar-card h3,
.bottom-banner h2{margin:0 0 10px;line-height:1.25}
.quick-card p,
.point-card p,
.post-card p,
.area-panel p,
.memo-panel p,
.faq-item p,
.article-hero p,
.summary-card p,
.step-card p,
.memo-card p,
.related-card p,
.sidebar-card p{margin:0;color:var(--text)}
.quick-number{
  width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;border-radius:16px;
  margin-bottom:14px;color:#fff;font-weight:900;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));box-shadow:var(--glow);
}
.posts-grid .post-card{position:relative;overflow:hidden}
.post-card::after{
  content:"";position:absolute;right:-20px;top:-20px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle, rgba(37,99,235,.12), transparent 68%);
}
.card-link{margin-top:16px;min-width:132px;font-size:13px}
.dual-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:18px}
.area-panel,.memo-panel{padding:28px}
.area-tags,.meta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.area-tags span,.meta-tags span{
  display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:13px;font-weight:700;
}
.memo-table{
  width:100%;border-collapse:collapse;background:#fff;overflow:hidden;border:1px solid var(--line);border-radius:18px;
}
.memo-table th,.memo-table td{
  padding:15px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;
}
.memo-table th{width:30%;background:#f8fbff}
.memo-table tr:last-child th,.memo-table tr:last-child td{border-bottom:none}
.faq-panel{padding:28px}
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.faq-item{
  padding:22px;border-radius:22px;background:var(--surface-soft);border:1px solid var(--line);
}
.cta-panel{
  padding:28px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:radial-gradient(circle at 100% 0%, rgba(37,99,235,.10), transparent 25%),
    linear-gradient(135deg,#ffffff 0%, #f7fbff 100%);
}
.big-call{min-width:210px}
.article-wrap{padding:28px 0 88px}
.breadcrumb{margin-bottom:16px;color:var(--muted);font-size:14px}
.article-hero{
  padding:34px;
  background:radial-gradient(circle at 100% 0%, rgba(124,58,237,.10), transparent 22%),
    linear-gradient(180deg,#ffffff 0%, #f9fbff 100%);
}
.article-hero h1{font-size:44px;letter-spacing:-.05em}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;margin-top:20px;
}
.article-main{padding:28px}
.detail-section + .detail-section{margin-top:30px}
.detail-section h2{
  margin:10px 0 12px;font-size:30px;line-height:1.15;letter-spacing:-.04em;
}
.overview-grid,.step-grid{display:grid;gap:16px}
.overview-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.summary-card,.step-card,.memo-card,.related-card,.sidebar-card{padding:22px}
.bullet-list{margin:0;padding-left:18px;color:var(--text)}
.bullet-list li+li{margin-top:8px}
.note-grid{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
.sidebar-links{display:grid;gap:12px}
.sidebar-links a{
  display:block;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:#fff;color:var(--text);font-weight:700;
}
.sidebar-card{position:sticky;top:100px;height:fit-content}
.bottom-banner{
  margin-top:28px;padding:26px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:linear-gradient(135deg,#0f172a 0%, #1d4ed8 100%);color:#fff;
}
.bottom-banner p{margin:0;color:rgba(255,255,255,.82)}
.site-footer{padding:34px 0 44px}
.footer-box{
  padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.footer-box p{margin:0;color:var(--muted);font-size:14px}
@media (max-width:1080px){
  .hero-grid,.article-layout,.dual-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .posts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .overview-grid,.step-grid,.note-grid{grid-template-columns:1fr}
  .faq-list{grid-template-columns:1fr}
  .sidebar-card{position:static}
}
@media (max-width:760px){
  .container{width:min(var(--max), calc(100% - 24px))}
  .main-nav{display:none}
  .call-pill{min-width:auto;padding:0 16px}
  .hero-panel,.hero-side,.selector-card,.quick-card,.point-card,.post-card,.area-panel,.memo-panel,.faq-panel,.cta-panel,.article-hero,.article-main,.summary-card,.step-card,.memo-card,.sidebar-card,.bottom-banner,.footer-box{border-radius:22px}
  .hero-panel{padding:30px 24px}
  .hero-panel h1{font-size:40px}
  .hero-panel p{font-size:16px}
  .hero-list{grid-template-columns:1fr}
  .section{padding-top:58px}
  .section-head{align-items:start;flex-direction:column}
  .section-head h2{font-size:30px}
  .grid-4,.grid-3,.posts-grid{grid-template-columns:1fr}
  .cta-panel,.bottom-banner,.footer-box{flex-direction:column;align-items:flex-start}
}