:root{
  --ink:#10233c; --ink2:#1c3557; --line:#e3e8ef; --bg:#f6f8fb;
  --paper:#ffffff; --muted:#5c6b80; --accent:#ff6a2b; --accent2:#ffb01f;
  --radius:14px; --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:#16202e;
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  font-size:16px;line-height:1.78;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 18px}

/* header */
header.site{background:var(--ink);color:#fff;position:sticky;top:0;z-index:50;
  box-shadow:0 2px 14px rgba(16,35,60,.18)}
.hd{display:flex;align-items:center;gap:14px;min-height:62px}
.logo{font-weight:800;font-size:20px;color:#fff;letter-spacing:-.4px;white-space:nowrap}
.logo span{color:var(--accent2)}
nav.main{margin-left:auto;display:flex;gap:2px;flex-wrap:wrap}
nav.main .item{position:relative}
nav.main .item>a{color:#dfe7f2;padding:9px 12px;display:block;border-radius:9px;font-size:15px;font-weight:600}
nav.main .item>a:hover{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}
nav.main .sub{display:none;position:absolute;left:0;top:100%;background:#fff;min-width:190px;
  border-radius:12px;padding:8px;box-shadow:0 12px 34px rgba(16,35,60,.22)}
nav.main .item:hover .sub{display:block}
nav.main .sub a{display:block;padding:8px 11px;border-radius:8px;color:#26364c;font-size:14.5px}
nav.main .sub a:hover{background:#f0f4fa;text-decoration:none}
.callbtn{background:var(--accent);color:#fff;font-weight:800;padding:10px 16px;border-radius:999px;
  white-space:nowrap;font-size:15px}
.callbtn:hover{background:#ef5a1c;color:#fff;text-decoration:none}
.menubtn{display:none;margin-left:auto;background:none;border:1px solid rgba(255,255,255,.35);
  color:#fff;border-radius:9px;padding:7px 11px;font-size:15px}

/* hero */
.hero{background:linear-gradient(135deg,#10233c 0%,#1d3a63 60%,#27507f 100%);color:#fff;
  padding:54px 0 48px}
.hero h1{margin:0 0 14px;font-size:34px;line-height:1.35;letter-spacing:-.6px}
.hero p{margin:0 0 22px;color:#cfdcec;font-size:17px;max-width:740px}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.badge{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);
  padding:6px 13px;border-radius:999px;font-size:13.5px}
.herobtns{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:800;font-size:16px}
.btn-p{background:var(--accent);color:#fff}
.btn-p:hover{background:#ef5a1c;color:#fff;text-decoration:none}
.btn-g{background:rgba(255,255,255,.13);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-g:hover{background:rgba(255,255,255,.22);color:#fff;text-decoration:none}

/* layout */
main{padding:34px 0 60px}
.cols{display:grid;grid-template-columns:1fr 290px;gap:34px;align-items:start}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;margin-bottom:22px}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--muted)}
h1.title{font-size:29px;line-height:1.4;margin:0 0 12px;letter-spacing:-.5px}
.meta{font-size:13.5px;color:var(--muted);margin-bottom:20px;
  border-bottom:1px solid var(--line);padding-bottom:16px}
.thumb{border-radius:12px;overflow:hidden;margin:0 0 24px;border:1px solid var(--line)}
article h2{font-size:22px;margin:38px 0 12px;padding-left:13px;border-left:5px solid var(--accent);
  line-height:1.45;letter-spacing:-.4px}
article h3{font-size:18px;margin:26px 0 10px;color:var(--ink2)}
article p{margin:0 0 15px}
article ul{margin:0 0 18px;padding-left:20px}
article li{margin-bottom:7px}

.summary{background:#fff6ef;border:1px solid #ffd9c2;border-radius:12px;padding:18px 22px;margin:0 0 26px}
.summary b{display:block;margin-bottom:8px;color:#c34a11}
.summary ul{margin:0;padding-left:19px}

table{width:100%;border-collapse:collapse;margin:8px 0 24px;font-size:15px;background:#fff}
th,td{border:1px solid var(--line);padding:11px 13px;text-align:left;vertical-align:top}
th{background:#f1f5fa;font-weight:700;color:var(--ink2)}
.tablewrap{overflow-x:auto}

details.faq{border:1px solid var(--line);border-radius:11px;margin-bottom:9px;background:#fff}
details.faq summary{cursor:pointer;padding:14px 17px;font-weight:700;list-style:none;color:var(--ink2)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::before{content:"Q. ";color:var(--accent)}
details.faq[open] summary{border-bottom:1px solid var(--line)}
details.faq .a{padding:14px 17px;color:#33425a}

.cta{background:linear-gradient(135deg,#10233c,#25476f);color:#fff;border-radius:var(--radius);
  padding:30px 28px;text-align:center;margin:30px 0}
.cta h3{margin:0 0 8px;font-size:22px;color:#fff}
.cta p{margin:0 0 18px;color:#c9d7e8}
.cta .num{font-size:30px;font-weight:900;color:var(--accent2);letter-spacing:.5px}

/* sidebar */
aside .box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 20px;margin-bottom:18px;position:sticky;top:80px}
aside .box h4{margin:0 0 12px;font-size:16px;color:var(--ink2);
  border-bottom:1px solid var(--line);padding-bottom:10px}
.toc ol{margin:0;padding-left:19px;font-size:14.5px}
.toc li{margin-bottom:6px}
.toc a{color:#3c4d66}
.sidelist{list-style:none;margin:0;padding:0;font-size:14.5px}
.sidelist li{margin-bottom:6px}
.sidecall{background:var(--accent);color:#fff;display:block;text-align:center;
  padding:14px;border-radius:12px;font-weight:800;margin-top:6px}
.sidecall:hover{color:#fff;text-decoration:none;background:#ef5a1c}

/* grids */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.gcard{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  display:flex;flex-direction:column}
.gcard img{aspect-ratio:1200/630;object-fit:cover}
.gcard .b{padding:13px 15px 16px}
.gcard .b strong{display:block;font-size:15px;line-height:1.5;color:#1b2a3f;
  letter-spacing:-.3px;margin-bottom:6px}
.gcard .b span{font-size:12.5px;color:var(--muted)}
.svc{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.svc a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 18px;
  display:block;font-weight:700;color:#1b2a3f}
.svc a:hover{border-color:var(--accent);text-decoration:none}
.svc a em{display:block;font-style:normal;font-weight:400;font-size:13.5px;color:var(--muted);margin-top:5px}
.regions{display:flex;flex-wrap:wrap;gap:7px}
.regions a{background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 14px;font-size:14px;color:#33425a}
.regions a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.sec-title{font-size:23px;margin:0 0 6px;letter-spacing:-.4px}
.sec-sub{color:var(--muted);margin:0 0 20px;font-size:15px}

footer.site{background:#0c1c31;color:#9db0c8;padding:34px 0 90px;font-size:14px}
footer.site a{color:#c8d6e8}
footer.site .fl{display:flex;gap:26px;flex-wrap:wrap;margin-bottom:16px}
footer.site .fl a{font-size:14px}

.callbar{position:fixed;left:0;right:0;bottom:0;background:var(--accent);color:#fff;
  text-align:center;padding:15px;font-weight:800;font-size:17px;z-index:60;display:none}
.callbar:hover{color:#fff;text-decoration:none}

@media (max-width:900px){
  .cols{grid-template-columns:1fr}
  aside .box{position:static}
  nav.main{display:none;width:100%;order:3;flex-direction:column;padding-bottom:12px}
  nav.main.open{display:flex}
  nav.main .sub{display:block;position:static;background:transparent;box-shadow:none;padding:0 0 0 14px}
  nav.main .sub a{color:#b9c9de}
  .menubtn{display:block}
  .hd{flex-wrap:wrap;padding-block:10px;gap:10px;min-height:54px}
  .logo{font-size:16.5px;white-space:normal;line-height:1.25;flex:1 1 auto}
  .callbtn{display:none}
  .menubtn{margin-left:0;flex:0 0 auto}
  .callbtn{margin-left:0}
  .hero{padding:38px 0 34px}
  .hero h1{font-size:26px}
  h1.title{font-size:24px}
  article h2{font-size:20px}
  .card{padding:20px 18px}
  .callbar{display:block}
}