:root{
  --navy:#0b3d63;--blue:#1565c0;--blue-d:#0d4a9c;--sky:#e8f2fb;
  --orange:#ff6a00;--orange-d:#e85d00;--green:#1b9e57;
  --ink:#1a2733;--muted:#5b6b78;--line:#e2e8ee;--bg:#f6f9fc;--card:#fff;
  --radius:14px;--shadow:0 6px 22px rgba(11,61,99,.08);--wrap:1140px;
  --sans:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.35;color:var(--navy);font-weight:800}
h1{font-size:clamp(1.55rem,4.2vw,2.4rem);margin:.2em 0 .5em}
h2{font-size:clamp(1.25rem,3vw,1.6rem);margin:1.6em 0 .6em}
h3{font-size:1.1rem;margin:1.2em 0 .4em}
p{margin:.6em 0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 18px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ===== Top bar ===== */
.topbar{background:var(--navy);color:#cfe3f5;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:36px;flex-wrap:wrap}
.topbar a{color:#fff}
.topbar strong{color:#ffd27a}

/* ===== Header / nav ===== */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(11,61,99,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--navy);font-size:1.15rem;white-space:nowrap}
.brand > span{white-space:nowrap}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--navy));color:#fff;display:grid;place-items:center;font-size:1.1rem}
.brand small{display:block;font-size:.66rem;color:var(--muted);font-weight:600;letter-spacing:.02em;white-space:normal}
.nav{display:flex;align-items:center;gap:2px}
.nav > li{position:relative;list-style:none}
.nav > li > a{display:block;padding:12px 10px;font-weight:700;color:var(--ink);font-size:.9rem;border-radius:8px;white-space:nowrap}
.nav > li > a:hover{background:var(--sky);color:var(--blue-d);text-decoration:none}
.nav .dd{position:absolute;top:100%;left:0;min-width:220px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s;list-style:none;margin:0}
.nav > li:hover .dd,.nav > li:focus-within .dd{opacity:1;visibility:visible;transform:translateY(0)}
.nav .dd a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink);font-size:.9rem}
.nav .dd a:hover{background:var(--sky);color:var(--blue-d);text-decoration:none}
.nav-cta{background:var(--orange);color:#fff!important;padding:10px 15px!important;border-radius:9px;font-weight:800;white-space:nowrap}
.nav-cta:hover{background:var(--orange-d)!important}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:1.3rem;cursor:pointer;color:var(--navy)}

/* ===== Hero ===== */
.hero{background:linear-gradient(160deg,var(--navy),var(--blue));color:#fff;padding:54px 0 46px}
.hero h1{color:#fff;max-width:16ch}
.hero .lead{font-size:1.08rem;color:#dcecfb;max-width:56ch;margin:.4em 0 1.4em}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.badge{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);color:#fff;padding:5px 12px;border-radius:999px;font-size:.82rem;font-weight:600}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:7px;padding:12px 20px;border-radius:10px;font-weight:800;font-size:.98rem;border:2px solid transparent;cursor:pointer;transition:.15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-call{background:var(--orange);color:#fff}
.btn-call:hover{background:var(--orange-d)}
.btn-line{background:#ffe600;color:#191600}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-d)}
.btn-out{background:#fff;color:var(--blue-d);border-color:var(--blue)}

/* ===== Layout / sections ===== */
main{padding:34px 0 60px}
.section{margin:38px 0}
.lead-block{background:var(--card);border:1px solid var(--line);border-left:5px solid var(--blue);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.prose p{color:#28323c}
.prose{max-width:74ch}

/* ===== Cards grid ===== */
.grid{display:grid;gap:14px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:.15s;display:block;color:var(--ink)}
a.card:hover{text-decoration:none;transform:translateY(-3px);border-color:var(--blue);box-shadow:0 12px 28px rgba(11,61,99,.14)}
.card h3{margin:.1em 0 .3em;color:var(--navy)}
.card p{color:var(--muted);font-size:.9rem;margin:0}
.card .tag{display:inline-block;font-size:.72rem;font-weight:800;color:var(--blue);background:var(--sky);padding:2px 9px;border-radius:999px;margin-bottom:8px}
.chip-grid{display:flex;flex-wrap:wrap;gap:9px}
.chip{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 15px;font-weight:700;font-size:.9rem;color:var(--ink);box-shadow:0 2px 6px rgba(11,61,99,.05)}
a.chip:hover{background:var(--blue);color:#fff;border-color:var(--blue);text-decoration:none}

/* ===== Breadcrumb ===== */
.crumb{font-size:.82rem;color:var(--muted);padding:14px 0 2px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--blue)}

/* ===== Info blocks ===== */
.callout{background:var(--sky);border:1px solid #cfe3f5;border-radius:var(--radius);padding:16px 20px;margin:18px 0}
.callout strong{color:var(--navy)}
.checklist{list-style:none;padding:0;margin:14px 0}
.checklist li{position:relative;padding:9px 0 9px 32px;border-bottom:1px dashed var(--line);color:#28323c}
.checklist li:before{content:"✓";position:absolute;left:0;top:8px;width:22px;height:22px;background:var(--green);color:#fff;border-radius:6px;display:grid;place-items:center;font-size:.8rem;font-weight:900}
.pill-list{list-style:none;padding:0;margin:10px 0;display:flex;flex-direction:column;gap:8px}
.pill-list li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:10px;padding:10px 14px;color:#28323c}

/* ===== Steps ===== */
.steps{counter-reset:s;list-style:none;padding:0;margin:14px 0;display:grid;gap:10px}
.steps li{counter-increment:s;position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px 14px 56px;color:#28323c}
.steps li:before{content:counter(s);position:absolute;left:14px;top:50%;transform:translateY(-50%);width:30px;height:30px;background:var(--blue);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:900}

/* ===== FAQ ===== */
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;margin:10px 0;overflow:hidden}
.faq summary{cursor:pointer;padding:15px 18px;font-weight:800;color:var(--navy);list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--blue);font-weight:400}
.faq[open] summary:after{content:"–"}
.faq .a{padding:0 18px 16px;color:#3a4750}

/* ===== CTA band ===== */
.cta-band{background:linear-gradient(135deg,var(--navy),var(--blue));border-radius:18px;color:#fff;padding:30px 26px;text-align:center;margin:40px 0}
.cta-band h2{color:#fff;margin:0 0 6px}
.cta-band p{color:#dcecfb;margin:0 0 16px}
.cta-band .hero-cta{justify-content:center}

/* ===== Related / internal links ===== */
.related h2{font-size:1.15rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:26px}

/* ===== Footer ===== */
.site-footer{background:var(--navy);color:#b9d0e6;padding:40px 0 90px;font-size:.9rem}
.site-footer a{color:#dcecfb}
.footer-grid{display:grid;grid-template-columns:1.4fr 2fr;gap:30px}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 18px}
.site-footer h4{color:#fff;margin:0 0 10px;font-size:1rem}
.site-footer .fine{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);color:#8fb0cd;font-size:.8rem}

/* ===== Mobile fixed action bar ===== */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(11,61,99,.12)}
.mobile-bar a{flex:1;text-align:center;padding:9px 4px;font-size:.72rem;font-weight:700;color:var(--ink);display:flex;flex-direction:column;align-items:center;gap:3px}
.mobile-bar a:hover{text-decoration:none}
.mobile-bar .ic{font-size:1.15rem}
.mobile-bar .primary{background:var(--orange);color:#fff}

/* ===== 후기 ===== */
.review-agg{font-size:.9rem;font-weight:700;color:var(--orange);background:#fff4ec;padding:3px 10px;border-radius:999px;margin-left:8px;vertical-align:middle}
.review-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow)}
.review-stars{color:#ffb300;letter-spacing:2px;margin-bottom:6px}
.review-card p{color:#28323c;margin:.2em 0 .6em}
.review-meta{font-size:.82rem;color:var(--muted);font-weight:700}

/* ===== 광고 문의 팝업 ===== */
.ad-popup{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;background:rgba(11,61,99,.55);padding:20px}
.ad-popup.show{display:flex;animation:apfade .25s ease}
@keyframes apfade{from{opacity:0}to{opacity:1}}
.ad-popup__box{background:#fff;border-radius:16px;max-width:360px;width:100%;padding:28px 22px 22px;text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.32);position:relative;animation:apup .28s ease}
@keyframes apup{from{transform:translateY(14px);opacity:.6}to{transform:translateY(0);opacity:1}}
.ad-popup__close{position:absolute;top:8px;right:12px;background:none;border:none;font-size:1.6rem;color:#9aa7b2;cursor:pointer;line-height:1;padding:4px}
.ad-popup__ic{font-size:2.4rem;line-height:1}
.ad-popup h3{margin:.35em 0 .15em;color:var(--navy);font-size:1.2rem}
.ad-popup p{color:#5b6b78;font-size:.92rem;margin:.3em 0 1.2em;line-height:1.6}
.ad-popup__btn{display:flex;align-items:center;justify-content:center;gap:7px;background:#229ED9;color:#fff;font-weight:800;padding:14px;border-radius:11px;font-size:1rem}
.ad-popup__btn:hover{background:#1b8fc6;text-decoration:none;color:#fff}
.ad-popup__sub{margin-top:10px;font-size:.78rem;color:#9aa7b2}

/* ===== Responsive ===== */
@media(max-width:960px){
  .nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:8px;gap:0;max-height:calc(100vh - 64px);overflow:auto;display:none;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav > li{width:100%}
  .nav > li > a{padding:13px 12px;border-radius:8px}
  .nav .dd{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding:0 0 6px 12px;display:none}
  .nav > li.exp .dd{display:block}
  .nav-cta{margin:6px 4px}
  .menu-toggle{display:block}
  .two-col{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .grid.c4{grid-template-columns:repeat(2,1fr)}
  .grid.c3{grid-template-columns:repeat(2,1fr)}
  .mobile-bar{display:flex}
  body{padding-bottom:0}
}
@media(max-width:520px){
  .grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}
  .hero{padding:40px 0 34px}
  .topbar{display:none}
}